| /* |
| * Mesa 3-D graphics library |
| * |
| * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
| * Copyright (C) 2009 VMware, Inc. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| |
| /** |
| * \file teximage.c |
| * Texture image-related functions. |
| */ |
| |
| #include <stdbool.h> |
| #include "glheader.h" |
| #include "bufferobj.h" |
| #include "context.h" |
| #include "enums.h" |
| #include "fbobject.h" |
| #include "framebuffer.h" |
| #include "hash.h" |
| #include "image.h" |
| #include "imports.h" |
| #include "macros.h" |
| #include "mfeatures.h" |
| #include "state.h" |
| #include "texcompress.h" |
| #include "texcompress_cpal.h" |
| #include "teximage.h" |
| #include "texobj.h" |
| #include "texstate.h" |
| #include "mtypes.h" |
| #include "glformats.h" |
| |
| |
| /* Inexplicably, GL_HALF_FLOAT_OES has a different value than GL_HALF_FLOAT. |
| */ |
| #ifndef GL_HALF_FLOAT_OES |
| #define GL_HALF_FLOAT_OES 0x8D61 |
| #endif |
| |
| /** |
| * State changes which we care about for glCopyTex[Sub]Image() calls. |
| * In particular, we care about pixel transfer state and buffer state |
| * (such as glReadBuffer to make sure we read from the right renderbuffer). |
| */ |
| #define NEW_COPY_TEX_STATE (_NEW_BUFFERS | _NEW_PIXEL) |
| |
| |
| |
| /** |
| * Return the simple base format for a given internal texture format. |
| * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA. |
| * |
| * \param ctx GL context. |
| * \param internalFormat the internal texture format token or 1, 2, 3, or 4. |
| * |
| * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE, |
| * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum. |
| * |
| * This is the format which is used during texture application (i.e. the |
| * texture format and env mode determine the arithmetic used. |
| */ |
| GLint |
| _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat ) |
| { |
| switch (internalFormat) { |
| case GL_ALPHA: |
| case GL_ALPHA4: |
| case GL_ALPHA8: |
| case GL_ALPHA12: |
| case GL_ALPHA16: |
| return (ctx->API != API_OPENGL_CORE) ? GL_ALPHA : -1; |
| case 1: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE4: |
| case GL_LUMINANCE8: |
| case GL_LUMINANCE12: |
| case GL_LUMINANCE16: |
| return (ctx->API != API_OPENGL_CORE) ? GL_LUMINANCE : -1; |
| case 2: |
| case GL_LUMINANCE_ALPHA: |
| case GL_LUMINANCE4_ALPHA4: |
| case GL_LUMINANCE6_ALPHA2: |
| case GL_LUMINANCE8_ALPHA8: |
| case GL_LUMINANCE12_ALPHA4: |
| case GL_LUMINANCE12_ALPHA12: |
| case GL_LUMINANCE16_ALPHA16: |
| return (ctx->API != API_OPENGL_CORE) ? GL_LUMINANCE_ALPHA : -1; |
| case GL_INTENSITY: |
| case GL_INTENSITY4: |
| case GL_INTENSITY8: |
| case GL_INTENSITY12: |
| case GL_INTENSITY16: |
| return (ctx->API != API_OPENGL_CORE) ? GL_INTENSITY : -1; |
| case 3: |
| return (ctx->API != API_OPENGL_CORE) ? GL_RGB : -1; |
| case GL_RGB: |
| case GL_R3_G3_B2: |
| case GL_RGB4: |
| case GL_RGB5: |
| case GL_RGB8: |
| case GL_RGB10: |
| case GL_RGB12: |
| case GL_RGB16: |
| return GL_RGB; |
| case 4: |
| return (ctx->API != API_OPENGL_CORE) ? GL_RGBA : -1; |
| case GL_RGBA: |
| case GL_RGBA2: |
| case GL_RGBA4: |
| case GL_RGB5_A1: |
| case GL_RGBA8: |
| case GL_RGB10_A2: |
| case GL_RGBA12: |
| case GL_RGBA16: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| |
| /* GL_BGRA can be an internal format *only* in OpenGL ES (1.x or 2.0). |
| */ |
| if (_mesa_is_gles(ctx)) { |
| switch (internalFormat) { |
| case GL_BGRA: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_ES2_compatibility) { |
| switch (internalFormat) { |
| case GL_RGB565: |
| return GL_RGB; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_depth_texture) { |
| switch (internalFormat) { |
| case GL_DEPTH_COMPONENT: |
| case GL_DEPTH_COMPONENT16: |
| case GL_DEPTH_COMPONENT24: |
| case GL_DEPTH_COMPONENT32: |
| return GL_DEPTH_COMPONENT; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| switch (internalFormat) { |
| case GL_COMPRESSED_ALPHA: |
| return GL_ALPHA; |
| case GL_COMPRESSED_LUMINANCE: |
| return GL_LUMINANCE; |
| case GL_COMPRESSED_LUMINANCE_ALPHA: |
| return GL_LUMINANCE_ALPHA; |
| case GL_COMPRESSED_INTENSITY: |
| return GL_INTENSITY; |
| case GL_COMPRESSED_RGB: |
| return GL_RGB; |
| case GL_COMPRESSED_RGBA: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| |
| if (ctx->Extensions.TDFX_texture_compression_FXT1) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_RGB_FXT1_3DFX: |
| return GL_RGB; |
| case GL_COMPRESSED_RGBA_FXT1_3DFX: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_compression_s3tc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: |
| return GL_RGB; |
| case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.S3_s3tc) { |
| switch (internalFormat) { |
| case GL_RGB_S3TC: |
| case GL_RGB4_S3TC: |
| return GL_RGB; |
| case GL_RGBA_S3TC: |
| case GL_RGBA4_S3TC: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.MESA_ycbcr_texture) { |
| if (internalFormat == GL_YCBCR_MESA) |
| return GL_YCBCR_MESA; |
| } |
| |
| if (ctx->Extensions.ARB_texture_float) { |
| switch (internalFormat) { |
| case GL_ALPHA16F_ARB: |
| case GL_ALPHA32F_ARB: |
| return GL_ALPHA; |
| case GL_RGBA16F_ARB: |
| case GL_RGBA32F_ARB: |
| return GL_RGBA; |
| case GL_RGB16F_ARB: |
| case GL_RGB32F_ARB: |
| return GL_RGB; |
| case GL_INTENSITY16F_ARB: |
| case GL_INTENSITY32F_ARB: |
| return GL_INTENSITY; |
| case GL_LUMINANCE16F_ARB: |
| case GL_LUMINANCE32F_ARB: |
| return GL_LUMINANCE; |
| case GL_LUMINANCE_ALPHA16F_ARB: |
| case GL_LUMINANCE_ALPHA32F_ARB: |
| return GL_LUMINANCE_ALPHA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ATI_envmap_bumpmap) { |
| switch (internalFormat) { |
| case GL_DUDV_ATI: |
| case GL_DU8DV8_ATI: |
| return GL_DUDV_ATI; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_snorm) { |
| switch (internalFormat) { |
| case GL_RED_SNORM: |
| case GL_R8_SNORM: |
| case GL_R16_SNORM: |
| return GL_RED; |
| case GL_RG_SNORM: |
| case GL_RG8_SNORM: |
| case GL_RG16_SNORM: |
| return GL_RG; |
| case GL_RGB_SNORM: |
| case GL_RGB8_SNORM: |
| case GL_RGB16_SNORM: |
| return GL_RGB; |
| case GL_RGBA_SNORM: |
| case GL_RGBA8_SNORM: |
| case GL_RGBA16_SNORM: |
| return GL_RGBA; |
| case GL_ALPHA_SNORM: |
| case GL_ALPHA8_SNORM: |
| case GL_ALPHA16_SNORM: |
| return GL_ALPHA; |
| case GL_LUMINANCE_SNORM: |
| case GL_LUMINANCE8_SNORM: |
| case GL_LUMINANCE16_SNORM: |
| return GL_LUMINANCE; |
| case GL_LUMINANCE_ALPHA_SNORM: |
| case GL_LUMINANCE8_ALPHA8_SNORM: |
| case GL_LUMINANCE16_ALPHA16_SNORM: |
| return GL_LUMINANCE_ALPHA; |
| case GL_INTENSITY_SNORM: |
| case GL_INTENSITY8_SNORM: |
| case GL_INTENSITY16_SNORM: |
| return GL_INTENSITY; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_packed_depth_stencil) { |
| switch (internalFormat) { |
| case GL_DEPTH_STENCIL_EXT: |
| case GL_DEPTH24_STENCIL8_EXT: |
| return GL_DEPTH_STENCIL_EXT; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| #if FEATURE_EXT_texture_sRGB |
| if (ctx->Extensions.EXT_texture_sRGB) { |
| switch (internalFormat) { |
| case GL_SRGB_EXT: |
| case GL_SRGB8_EXT: |
| case GL_COMPRESSED_SRGB_EXT: |
| case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: |
| return GL_RGB; |
| case GL_SRGB_ALPHA_EXT: |
| case GL_SRGB8_ALPHA8_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: |
| return GL_RGBA; |
| case GL_SLUMINANCE_ALPHA_EXT: |
| case GL_SLUMINANCE8_ALPHA8_EXT: |
| case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: |
| return GL_LUMINANCE_ALPHA; |
| case GL_SLUMINANCE_EXT: |
| case GL_SLUMINANCE8_EXT: |
| case GL_COMPRESSED_SLUMINANCE_EXT: |
| return GL_LUMINANCE; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| #endif /* FEATURE_EXT_texture_sRGB */ |
| |
| if (ctx->Version >= 30 || |
| ctx->Extensions.EXT_texture_integer) { |
| switch (internalFormat) { |
| case GL_RGBA8UI_EXT: |
| case GL_RGBA16UI_EXT: |
| case GL_RGBA32UI_EXT: |
| case GL_RGBA8I_EXT: |
| case GL_RGBA16I_EXT: |
| case GL_RGBA32I_EXT: |
| case GL_RGB10_A2UI: |
| return GL_RGBA; |
| case GL_RGB8UI_EXT: |
| case GL_RGB16UI_EXT: |
| case GL_RGB32UI_EXT: |
| case GL_RGB8I_EXT: |
| case GL_RGB16I_EXT: |
| case GL_RGB32I_EXT: |
| return GL_RGB; |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_integer) { |
| switch (internalFormat) { |
| case GL_ALPHA8UI_EXT: |
| case GL_ALPHA16UI_EXT: |
| case GL_ALPHA32UI_EXT: |
| case GL_ALPHA8I_EXT: |
| case GL_ALPHA16I_EXT: |
| case GL_ALPHA32I_EXT: |
| return GL_ALPHA; |
| case GL_INTENSITY8UI_EXT: |
| case GL_INTENSITY16UI_EXT: |
| case GL_INTENSITY32UI_EXT: |
| case GL_INTENSITY8I_EXT: |
| case GL_INTENSITY16I_EXT: |
| case GL_INTENSITY32I_EXT: |
| return GL_INTENSITY; |
| case GL_LUMINANCE8UI_EXT: |
| case GL_LUMINANCE16UI_EXT: |
| case GL_LUMINANCE32UI_EXT: |
| case GL_LUMINANCE8I_EXT: |
| case GL_LUMINANCE16I_EXT: |
| case GL_LUMINANCE32I_EXT: |
| return GL_LUMINANCE; |
| case GL_LUMINANCE_ALPHA8UI_EXT: |
| case GL_LUMINANCE_ALPHA16UI_EXT: |
| case GL_LUMINANCE_ALPHA32UI_EXT: |
| case GL_LUMINANCE_ALPHA8I_EXT: |
| case GL_LUMINANCE_ALPHA16I_EXT: |
| case GL_LUMINANCE_ALPHA32I_EXT: |
| return GL_LUMINANCE_ALPHA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_rg) { |
| switch (internalFormat) { |
| case GL_R16F: |
| /* R16F depends on both ARB_half_float_pixel and ARB_texture_float. |
| */ |
| if (!ctx->Extensions.ARB_half_float_pixel) |
| break; |
| /* FALLTHROUGH */ |
| case GL_R32F: |
| if (!ctx->Extensions.ARB_texture_float) |
| break; |
| return GL_RED; |
| case GL_R8I: |
| case GL_R8UI: |
| case GL_R16I: |
| case GL_R16UI: |
| case GL_R32I: |
| case GL_R32UI: |
| if (ctx->Version < 30 && !ctx->Extensions.EXT_texture_integer) |
| break; |
| /* FALLTHROUGH */ |
| case GL_R8: |
| case GL_R16: |
| case GL_RED: |
| case GL_COMPRESSED_RED: |
| return GL_RED; |
| |
| case GL_RG16F: |
| /* RG16F depends on both ARB_half_float_pixel and ARB_texture_float. |
| */ |
| if (!ctx->Extensions.ARB_half_float_pixel) |
| break; |
| /* FALLTHROUGH */ |
| case GL_RG32F: |
| if (!ctx->Extensions.ARB_texture_float) |
| break; |
| return GL_RG; |
| case GL_RG8I: |
| case GL_RG8UI: |
| case GL_RG16I: |
| case GL_RG16UI: |
| case GL_RG32I: |
| case GL_RG32UI: |
| if (ctx->Version < 30 && !ctx->Extensions.EXT_texture_integer) |
| break; |
| /* FALLTHROUGH */ |
| case GL_RG: |
| case GL_RG8: |
| case GL_RG16: |
| case GL_COMPRESSED_RG: |
| return GL_RG; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_shared_exponent) { |
| switch (internalFormat) { |
| case GL_RGB9_E5_EXT: |
| return GL_RGB; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_packed_float) { |
| switch (internalFormat) { |
| case GL_R11F_G11F_B10F_EXT: |
| return GL_RGB; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_depth_buffer_float) { |
| switch (internalFormat) { |
| case GL_DEPTH_COMPONENT32F: |
| return GL_DEPTH_COMPONENT; |
| case GL_DEPTH32F_STENCIL8: |
| return GL_DEPTH_STENCIL; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_compression_rgtc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_RED_RGTC1: |
| case GL_COMPRESSED_SIGNED_RED_RGTC1: |
| return GL_RED; |
| case GL_COMPRESSED_RG_RGTC2: |
| case GL_COMPRESSED_SIGNED_RG_RGTC2: |
| return GL_RG; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_compression_latc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_LUMINANCE_LATC1_EXT: |
| case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT: |
| return GL_LUMINANCE; |
| case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT: |
| case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT: |
| return GL_LUMINANCE_ALPHA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ATI_texture_compression_3dc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI: |
| return GL_LUMINANCE_ALPHA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.OES_compressed_ETC1_RGB8_texture) { |
| switch (internalFormat) { |
| case GL_ETC1_RGB8_OES: |
| return GL_RGB; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->API == API_OPENGLES) { |
| switch (internalFormat) { |
| case GL_PALETTE4_RGB8_OES: |
| case GL_PALETTE4_R5_G6_B5_OES: |
| case GL_PALETTE8_RGB8_OES: |
| case GL_PALETTE8_R5_G6_B5_OES: |
| return GL_RGB; |
| case GL_PALETTE4_RGBA8_OES: |
| case GL_PALETTE8_RGB5_A1_OES: |
| case GL_PALETTE4_RGBA4_OES: |
| case GL_PALETTE4_RGB5_A1_OES: |
| case GL_PALETTE8_RGBA8_OES: |
| case GL_PALETTE8_RGBA4_OES: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| return -1; /* error */ |
| } |
| |
| |
| /** |
| * For cube map faces, return a face index in [0,5]. |
| * For other targets return 0; |
| */ |
| GLuint |
| _mesa_tex_target_to_face(GLenum target) |
| { |
| if (_mesa_is_cube_face(target)) |
| return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X; |
| else |
| return 0; |
| } |
| |
| |
| |
| /** |
| * Install gl_texture_image in a gl_texture_object according to the target |
| * and level parameters. |
| * |
| * \param tObj texture object. |
| * \param target texture target. |
| * \param level image level. |
| * \param texImage texture image. |
| */ |
| static void |
| set_tex_image(struct gl_texture_object *tObj, |
| GLenum target, GLint level, |
| struct gl_texture_image *texImage) |
| { |
| const GLuint face = _mesa_tex_target_to_face(target); |
| |
| ASSERT(tObj); |
| ASSERT(texImage); |
| if (target == GL_TEXTURE_RECTANGLE_NV || target == GL_TEXTURE_EXTERNAL_OES) |
| assert(level == 0); |
| |
| tObj->Image[face][level] = texImage; |
| |
| /* Set the 'back' pointer */ |
| texImage->TexObject = tObj; |
| texImage->Level = level; |
| texImage->Face = face; |
| } |
| |
| |
| /** |
| * Allocate a texture image structure. |
| * |
| * Called via ctx->Driver.NewTextureImage() unless overriden by a device |
| * driver. |
| * |
| * \return a pointer to gl_texture_image struct with all fields initialized to |
| * zero. |
| */ |
| struct gl_texture_image * |
| _mesa_new_texture_image( struct gl_context *ctx ) |
| { |
| (void) ctx; |
| return CALLOC_STRUCT(gl_texture_image); |
| } |
| |
| |
| /** |
| * Free a gl_texture_image and associated data. |
| * This function is a fallback called via ctx->Driver.DeleteTextureImage(). |
| * |
| * \param texImage texture image. |
| * |
| * Free the texture image structure and the associated image data. |
| */ |
| void |
| _mesa_delete_texture_image(struct gl_context *ctx, |
| struct gl_texture_image *texImage) |
| { |
| /* Free texImage->Data and/or any other driver-specific texture |
| * image storage. |
| */ |
| ASSERT(ctx->Driver.FreeTextureImageBuffer); |
| ctx->Driver.FreeTextureImageBuffer( ctx, texImage ); |
| free(texImage); |
| } |
| |
| |
| /** |
| * Test if a target is a proxy target. |
| * |
| * \param target texture target. |
| * |
| * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise. |
| */ |
| GLboolean |
| _mesa_is_proxy_texture(GLenum target) |
| { |
| /* |
| * NUM_TEXTURE_TARGETS should match number of terms below, except there's no |
| * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES. |
| */ |
| assert(NUM_TEXTURE_TARGETS == 7 + 2); |
| |
| return (target == GL_PROXY_TEXTURE_1D || |
| target == GL_PROXY_TEXTURE_2D || |
| target == GL_PROXY_TEXTURE_3D || |
| target == GL_PROXY_TEXTURE_CUBE_MAP_ARB || |
| target == GL_PROXY_TEXTURE_RECTANGLE_NV || |
| target == GL_PROXY_TEXTURE_1D_ARRAY_EXT || |
| target == GL_PROXY_TEXTURE_2D_ARRAY_EXT); |
| } |
| |
| |
| /** |
| * Return the proxy target which corresponds to the given texture target |
| */ |
| GLenum |
| _mesa_get_proxy_target(GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| return GL_PROXY_TEXTURE_1D; |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| return GL_PROXY_TEXTURE_2D; |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| return GL_PROXY_TEXTURE_3D; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_ARB: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARB: |
| return GL_PROXY_TEXTURE_CUBE_MAP_ARB; |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| return GL_PROXY_TEXTURE_RECTANGLE_NV; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| return GL_PROXY_TEXTURE_1D_ARRAY_EXT; |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| return GL_PROXY_TEXTURE_2D_ARRAY_EXT; |
| default: |
| _mesa_problem(NULL, "unexpected target in _mesa_get_proxy_target()"); |
| return 0; |
| } |
| } |
| |
| |
| /** |
| * Get the texture object that corresponds to the target of the given |
| * texture unit. The target should have already been checked for validity. |
| * |
| * \param ctx GL context. |
| * \param texUnit texture unit. |
| * \param target texture target. |
| * |
| * \return pointer to the texture object on success, or NULL on failure. |
| */ |
| struct gl_texture_object * |
| _mesa_select_tex_object(struct gl_context *ctx, |
| const struct gl_texture_unit *texUnit, |
| GLenum target) |
| { |
| const GLboolean arrayTex = (ctx->Extensions.MESA_texture_array || |
| ctx->Extensions.EXT_texture_array); |
| |
| switch (target) { |
| case GL_TEXTURE_1D: |
| return texUnit->CurrentTex[TEXTURE_1D_INDEX]; |
| case GL_PROXY_TEXTURE_1D: |
| return ctx->Texture.ProxyTex[TEXTURE_1D_INDEX]; |
| case GL_TEXTURE_2D: |
| return texUnit->CurrentTex[TEXTURE_2D_INDEX]; |
| case GL_PROXY_TEXTURE_2D: |
| return ctx->Texture.ProxyTex[TEXTURE_2D_INDEX]; |
| case GL_TEXTURE_3D: |
| return texUnit->CurrentTex[TEXTURE_3D_INDEX]; |
| case GL_PROXY_TEXTURE_3D: |
| return ctx->Texture.ProxyTex[TEXTURE_3D_INDEX]; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_ARB: |
| return ctx->Extensions.ARB_texture_cube_map |
| ? texUnit->CurrentTex[TEXTURE_CUBE_INDEX] : NULL; |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARB: |
| return ctx->Extensions.ARB_texture_cube_map |
| ? ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX] : NULL; |
| case GL_TEXTURE_RECTANGLE_NV: |
| return ctx->Extensions.NV_texture_rectangle |
| ? texUnit->CurrentTex[TEXTURE_RECT_INDEX] : NULL; |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| return ctx->Extensions.NV_texture_rectangle |
| ? ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX] : NULL; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| return arrayTex ? texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX] : NULL; |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| return arrayTex ? ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX] : NULL; |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| return arrayTex ? texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX] : NULL; |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| return arrayTex ? ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX] : NULL; |
| case GL_TEXTURE_BUFFER: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.ARB_texture_buffer_object |
| ? texUnit->CurrentTex[TEXTURE_BUFFER_INDEX] : NULL; |
| case GL_TEXTURE_EXTERNAL_OES: |
| return ctx->Extensions.OES_EGL_image_external |
| ? texUnit->CurrentTex[TEXTURE_EXTERNAL_INDEX] : NULL; |
| default: |
| _mesa_problem(NULL, "bad target in _mesa_select_tex_object()"); |
| return NULL; |
| } |
| } |
| |
| |
| /** |
| * Return pointer to texture object for given target on current texture unit. |
| */ |
| struct gl_texture_object * |
| _mesa_get_current_tex_object(struct gl_context *ctx, GLenum target) |
| { |
| struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); |
| return _mesa_select_tex_object(ctx, texUnit, target); |
| } |
| |
| |
| /** |
| * Get a texture image pointer from a texture object, given a texture |
| * target and mipmap level. The target and level parameters should |
| * have already been error-checked. |
| * |
| * \param ctx GL context. |
| * \param texObj texture unit. |
| * \param target texture target. |
| * \param level image level. |
| * |
| * \return pointer to the texture image structure, or NULL on failure. |
| */ |
| struct gl_texture_image * |
| _mesa_select_tex_image(struct gl_context *ctx, |
| const struct gl_texture_object *texObj, |
| GLenum target, GLint level) |
| { |
| const GLuint face = _mesa_tex_target_to_face(target); |
| |
| ASSERT(texObj); |
| ASSERT(level >= 0); |
| ASSERT(level < MAX_TEXTURE_LEVELS); |
| |
| return texObj->Image[face][level]; |
| } |
| |
| |
| /** |
| * Like _mesa_select_tex_image() but if the image doesn't exist, allocate |
| * it and install it. Only return NULL if passed a bad parameter or run |
| * out of memory. |
| */ |
| struct gl_texture_image * |
| _mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj, |
| GLenum target, GLint level) |
| { |
| struct gl_texture_image *texImage; |
| |
| if (!texObj) |
| return NULL; |
| |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| if (!texImage) { |
| texImage = ctx->Driver.NewTextureImage(ctx); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation"); |
| return NULL; |
| } |
| |
| set_tex_image(texObj, target, level, texImage); |
| } |
| |
| return texImage; |
| } |
| |
| |
| /** |
| * Return pointer to the specified proxy texture image. |
| * Note that proxy textures are per-context, not per-texture unit. |
| * \return pointer to texture image or NULL if invalid target, invalid |
| * level, or out of memory. |
| */ |
| static struct gl_texture_image * |
| get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level) |
| { |
| struct gl_texture_image *texImage; |
| GLuint texIndex; |
| |
| if (level < 0) |
| return NULL; |
| |
| switch (target) { |
| case GL_PROXY_TEXTURE_1D: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_1D_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_2D: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_2D_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_3D: |
| if (level >= ctx->Const.Max3DTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_3D_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| if (level >= ctx->Const.MaxCubeTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_CUBE_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| if (level > 0) |
| return NULL; |
| texIndex = TEXTURE_RECT_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_1D_ARRAY_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_2D_ARRAY_INDEX; |
| break; |
| default: |
| return NULL; |
| } |
| |
| texImage = ctx->Texture.ProxyTex[texIndex]->Image[0][level]; |
| if (!texImage) { |
| texImage = ctx->Driver.NewTextureImage(ctx); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); |
| return NULL; |
| } |
| ctx->Texture.ProxyTex[texIndex]->Image[0][level] = texImage; |
| /* Set the 'back' pointer */ |
| texImage->TexObject = ctx->Texture.ProxyTex[texIndex]; |
| } |
| return texImage; |
| } |
| |
| |
| /** |
| * Get the maximum number of allowed mipmap levels. |
| * |
| * \param ctx GL context. |
| * \param target texture target. |
| * |
| * \return the maximum number of allowed mipmap levels for the given |
| * texture target, or zero if passed a bad target. |
| * |
| * \sa gl_constants. |
| */ |
| GLint |
| _mesa_max_texture_levels(struct gl_context *ctx, GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| return ctx->Const.MaxTextureLevels; |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| return ctx->Const.Max3DTextureLevels; |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARB: |
| return ctx->Extensions.ARB_texture_cube_map |
| ? ctx->Const.MaxCubeTextureLevels : 0; |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| return ctx->Extensions.NV_texture_rectangle ? 1 : 0; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| return (ctx->Extensions.MESA_texture_array || |
| ctx->Extensions.EXT_texture_array) |
| ? ctx->Const.MaxTextureLevels : 0; |
| case GL_TEXTURE_BUFFER: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.ARB_texture_buffer_object |
| ? 1 : 0; |
| case GL_TEXTURE_EXTERNAL_OES: |
| /* fall-through */ |
| default: |
| return 0; /* bad target */ |
| } |
| } |
| |
| |
| /** |
| * Return number of dimensions per mipmap level for the given texture target. |
| */ |
| GLint |
| _mesa_get_texture_dimensions(GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| return 1; |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_RECTANGLE: |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_PROXY_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_RECTANGLE: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| case GL_TEXTURE_1D_ARRAY: |
| case GL_PROXY_TEXTURE_1D_ARRAY: |
| case GL_TEXTURE_EXTERNAL_OES: |
| return 2; |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_PROXY_TEXTURE_2D_ARRAY: |
| return 3; |
| case GL_TEXTURE_BUFFER: |
| /* fall-through */ |
| default: |
| _mesa_problem(NULL, "invalid target 0x%x in get_texture_dimensions()", |
| target); |
| return 2; |
| } |
| } |
| |
| |
| /** |
| * Return the maximum number of mipmap levels for the given target |
| * and the dimensions. |
| * The dimensions are expected not to include the border. |
| */ |
| GLsizei |
| _mesa_get_tex_max_num_levels(GLenum target, GLsizei width, GLsizei height, |
| GLsizei depth) |
| { |
| GLsizei size; |
| |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_TEXTURE_1D_ARRAY: |
| size = width; |
| break; |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| ASSERT(width == height); |
| size = width; |
| break; |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_2D_ARRAY: |
| size = MAX2(width, height); |
| break; |
| case GL_TEXTURE_3D: |
| size = MAX3(width, height, depth); |
| break; |
| case GL_TEXTURE_RECTANGLE: |
| return 1; |
| default: |
| assert(0); |
| return 1; |
| } |
| |
| return _mesa_logbase2(size) + 1; |
| } |
| |
| |
| #if 000 /* not used anymore */ |
| /* |
| * glTexImage[123]D can accept a NULL image pointer. In this case we |
| * create a texture image with unspecified image contents per the OpenGL |
| * spec. |
| */ |
| static GLubyte * |
| make_null_texture(GLint width, GLint height, GLint depth, GLenum format) |
| { |
| const GLint components = _mesa_components_in_format(format); |
| const GLint numPixels = width * height * depth; |
| GLubyte *data = (GLubyte *) MALLOC(numPixels * components * sizeof(GLubyte)); |
| |
| #ifdef DEBUG |
| /* |
| * Let's see if anyone finds this. If glTexImage2D() is called with |
| * a NULL image pointer then load the texture image with something |
| * interesting instead of leaving it indeterminate. |
| */ |
| if (data) { |
| static const char message[8][32] = { |
| " X X XXXXX XXX X ", |
| " XX XX X X X X X ", |
| " X X X X X X X ", |
| " X X XXXX XXX XXXXX ", |
| " X X X X X X ", |
| " X X X X X X X ", |
| " X X XXXXX XXX X X ", |
| " " |
| }; |
| |
| GLubyte *imgPtr = data; |
| GLint h, i, j, k; |
| for (h = 0; h < depth; h++) { |
| for (i = 0; i < height; i++) { |
| GLint srcRow = 7 - (i % 8); |
| for (j = 0; j < width; j++) { |
| GLint srcCol = j % 32; |
| GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70; |
| for (k = 0; k < components; k++) { |
| *imgPtr++ = texel; |
| } |
| } |
| } |
| } |
| } |
| #endif |
| |
| return data; |
| } |
| #endif |
| |
| |
| |
| /** |
| * Set the size and format-related fields of a gl_texture_image struct |
| * to zero. This is used when a proxy texture test fails. |
| */ |
| static void |
| clear_teximage_fields(struct gl_texture_image *img) |
| { |
| ASSERT(img); |
| img->_BaseFormat = 0; |
| img->InternalFormat = 0; |
| img->Border = 0; |
| img->Width = 0; |
| img->Height = 0; |
| img->Depth = 0; |
| img->Width2 = 0; |
| img->Height2 = 0; |
| img->Depth2 = 0; |
| img->WidthLog2 = 0; |
| img->HeightLog2 = 0; |
| img->DepthLog2 = 0; |
| img->TexFormat = MESA_FORMAT_NONE; |
| } |
| |
| |
| /** |
| * Initialize basic fields of the gl_texture_image struct. |
| * |
| * \param ctx GL context. |
| * \param img texture image structure to be initialized. |
| * \param width image width. |
| * \param height image height. |
| * \param depth image depth. |
| * \param border image border. |
| * \param internalFormat internal format. |
| * \param format the actual hardware format (one of MESA_FORMAT_*) |
| * |
| * Fills in the fields of \p img with the given information. |
| * Note: width, height and depth include the border. |
| */ |
| void |
| _mesa_init_teximage_fields(struct gl_context *ctx, |
| struct gl_texture_image *img, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum internalFormat, |
| gl_format format) |
| { |
| GLenum target; |
| ASSERT(img); |
| ASSERT(width >= 0); |
| ASSERT(height >= 0); |
| ASSERT(depth >= 0); |
| |
| target = img->TexObject->Target; |
| img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat ); |
| ASSERT(img->_BaseFormat > 0); |
| img->InternalFormat = internalFormat; |
| img->Border = border; |
| img->Width = width; |
| img->Height = height; |
| img->Depth = depth; |
| |
| img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */ |
| img->WidthLog2 = _mesa_logbase2(img->Width2); |
| |
| switch(target) { |
| case GL_TEXTURE_1D: |
| case GL_TEXTURE_BUFFER: |
| case GL_PROXY_TEXTURE_1D: |
| if (height == 0) |
| img->Height2 = 0; |
| else |
| img->Height2 = 1; |
| img->HeightLog2 = 0; |
| if (depth == 0) |
| img->Depth2 = 0; |
| else |
| img->Depth2 = 1; |
| img->DepthLog2 = 0; |
| break; |
| case GL_TEXTURE_1D_ARRAY: |
| case GL_PROXY_TEXTURE_1D_ARRAY: |
| img->Height2 = height; /* no border */ |
| img->HeightLog2 = 0; /* not used */ |
| if (depth == 0) |
| img->Depth2 = 0; |
| else |
| img->Depth2 = 1; |
| img->DepthLog2 = 0; |
| break; |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_RECTANGLE: |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| case GL_TEXTURE_EXTERNAL_OES: |
| case GL_PROXY_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_RECTANGLE: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ |
| img->HeightLog2 = _mesa_logbase2(img->Height2); |
| if (depth == 0) |
| img->Depth2 = 0; |
| else |
| img->Depth2 = 1; |
| img->DepthLog2 = 0; |
| break; |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_PROXY_TEXTURE_2D_ARRAY: |
| img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ |
| img->HeightLog2 = _mesa_logbase2(img->Height2); |
| img->Depth2 = depth; /* no border */ |
| img->DepthLog2 = 0; /* not used */ |
| break; |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ |
| img->HeightLog2 = _mesa_logbase2(img->Height2); |
| img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */ |
| img->DepthLog2 = _mesa_logbase2(img->Depth2); |
| break; |
| default: |
| _mesa_problem(NULL, "invalid target 0x%x in _mesa_init_teximage_fields()", |
| target); |
| } |
| |
| img->MaxNumLevels = |
| _mesa_get_tex_max_num_levels(target, |
| img->Width2, img->Height2, img->Depth2); |
| img->TexFormat = format; |
| } |
| |
| |
| /** |
| * Free and clear fields of the gl_texture_image struct. |
| * |
| * \param ctx GL context. |
| * \param texImage texture image structure to be cleared. |
| * |
| * After the call, \p texImage will have no data associated with it. Its |
| * fields are cleared so that its parent object will test incomplete. |
| */ |
| void |
| _mesa_clear_texture_image(struct gl_context *ctx, |
| struct gl_texture_image *texImage) |
| { |
| ctx->Driver.FreeTextureImageBuffer(ctx, texImage); |
| clear_teximage_fields(texImage); |
| } |
| |
| |
| /** |
| * This is the fallback for Driver.TestProxyTexImage(). Test the texture |
| * level, width, height and depth against the ctx->Const limits for textures. |
| * |
| * A hardware driver might override this function if, for example, the |
| * max 3D texture size is 512x512x64 (i.e. not a cube). |
| * |
| * Note that width, height, depth == 0 is not an error. However, a |
| * texture with zero width/height/depth will be considered "incomplete" |
| * and texturing will effectively be disabled. |
| * |
| * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D, |
| * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV, |
| * GL_PROXY_TEXTURE_CUBE_MAP_ARB. |
| * \param level as passed to glTexImage |
| * \param internalFormat as passed to glTexImage |
| * \param format as passed to glTexImage |
| * \param type as passed to glTexImage |
| * \param width as passed to glTexImage |
| * \param height as passed to glTexImage |
| * \param depth as passed to glTexImage |
| * \param border as passed to glTexImage |
| * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable. |
| */ |
| GLboolean |
| _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level, |
| GLint internalFormat, GLenum format, GLenum type, |
| GLint width, GLint height, GLint depth, GLint border) |
| { |
| GLint maxSize; |
| |
| (void) internalFormat; |
| (void) format; |
| (void) type; |
| |
| switch (target) { |
| case GL_PROXY_TEXTURE_1D: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return GL_FALSE; |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); /* level zero size */ |
| maxSize >>= level; /* level size */ |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_PROXY_TEXTURE_2D: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return GL_FALSE; |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| maxSize >>= level; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 2 * border || height > 2 * border + maxSize) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_PROXY_TEXTURE_3D: |
| if (level >= ctx->Const.Max3DTextureLevels) |
| return GL_FALSE; |
| maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1); |
| maxSize >>= level; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 2 * border || height > 2 * border + maxSize) |
| return GL_FALSE; |
| if (depth < 2 * border || depth > 2 * border + maxSize) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) |
| return GL_FALSE; |
| if (depth > 0 && !_mesa_is_pow_two(depth - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| if (level != 0) |
| return GL_FALSE; |
| maxSize = ctx->Const.MaxTextureRectSize; |
| if (width < 0 || width > maxSize) |
| return GL_FALSE; |
| if (height < 0 || height > maxSize) |
| return GL_FALSE; |
| return GL_TRUE; |
| |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARB: |
| if (level >= ctx->Const.MaxCubeTextureLevels) |
| return GL_FALSE; |
| maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1); |
| maxSize >>= level; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 2 * border || height > 2 * border + maxSize) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return GL_FALSE; |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| maxSize >>= level; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 1 || height > ctx->Const.MaxArrayTextureLayers) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return GL_FALSE; |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| maxSize >>= level; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 2 * border || height > 2 * border + maxSize) |
| return GL_FALSE; |
| if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| default: |
| _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage"); |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Check if the memory used by the texture would exceed the driver's limit. |
| * This lets us support a max 3D texture size of 8K (for example) but |
| * prevents allocating a full 8K x 8K x 8K texture. |
| * XXX this could be rolled into the proxy texture size test (above) but |
| * we don't have the actual texture internal format at that point. |
| */ |
| static GLboolean |
| legal_texture_size(struct gl_context *ctx, gl_format format, |
| GLint width, GLint height, GLint depth) |
| { |
| uint64_t bytes = _mesa_format_image_size64(format, width, height, depth); |
| uint64_t mbytes = bytes / (1024 * 1024); /* convert to MB */ |
| return mbytes <= (uint64_t) ctx->Const.MaxTextureMbytes; |
| } |
| |
| |
| /** |
| * Return true if the format is only valid for glCompressedTexImage. |
| */ |
| static GLboolean |
| compressedteximage_only_format(const struct gl_context *ctx, GLenum format) |
| { |
| switch (format) { |
| case GL_ETC1_RGB8_OES: |
| case GL_PALETTE4_RGB8_OES: |
| case GL_PALETTE4_RGBA8_OES: |
| case GL_PALETTE4_R5_G6_B5_OES: |
| case GL_PALETTE4_RGBA4_OES: |
| case GL_PALETTE4_RGB5_A1_OES: |
| case GL_PALETTE8_RGB8_OES: |
| case GL_PALETTE8_RGBA8_OES: |
| case GL_PALETTE8_R5_G6_B5_OES: |
| case GL_PALETTE8_RGBA4_OES: |
| case GL_PALETTE8_RGB5_A1_OES: |
| return GL_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Helper function to determine whether a target and specific compression |
| * format are supported. |
| */ |
| static GLboolean |
| target_can_be_compressed(const struct gl_context *ctx, GLenum target, |
| GLenum intFormat) |
| { |
| (void) intFormat; /* not used yet */ |
| |
| switch (target) { |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| return GL_TRUE; /* true for any compressed format so far */ |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| return ctx->Extensions.ARB_texture_cube_map; |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| return (ctx->Extensions.MESA_texture_array || |
| ctx->Extensions.EXT_texture_array); |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Check if the given texture target value is legal for a |
| * glTexImage1/2/3D call. |
| */ |
| static GLboolean |
| legal_teximage_target(struct gl_context *ctx, GLuint dims, GLenum target) |
| { |
| switch (dims) { |
| case 1: |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| return _mesa_is_desktop_gl(ctx); |
| default: |
| return GL_FALSE; |
| } |
| case 2: |
| switch (target) { |
| case GL_TEXTURE_2D: |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_2D: |
| return _mesa_is_desktop_gl(ctx); |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.ARB_texture_cube_map; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| return ctx->Extensions.ARB_texture_cube_map; |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.NV_texture_rectangle; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| return _mesa_is_desktop_gl(ctx) |
| && (ctx->Extensions.MESA_texture_array || |
| ctx->Extensions.EXT_texture_array); |
| default: |
| return GL_FALSE; |
| } |
| case 3: |
| switch (target) { |
| case GL_TEXTURE_3D: |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_3D: |
| return _mesa_is_desktop_gl(ctx); |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| return (_mesa_is_desktop_gl(ctx) |
| && (ctx->Extensions.MESA_texture_array || |
| ctx->Extensions.EXT_texture_array)) |
| || _mesa_is_gles3(ctx); |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| return _mesa_is_desktop_gl(ctx) |
| && (ctx->Extensions.MESA_texture_array || |
| ctx->Extensions.EXT_texture_array); |
| default: |
| return GL_FALSE; |
| } |
| default: |
| _mesa_problem(ctx, "invalid dims=%u in legal_teximage_target()", dims); |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Check if the given texture target value is legal for a |
| * glTexSubImage, glCopyTexSubImage or glCopyTexImage call. |
| * The difference compared to legal_teximage_target() above is that |
| * proxy targets are not supported. |
| */ |
| static GLboolean |
| legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target) |
| { |
| switch (dims) { |
| case 1: |
| return _mesa_is_desktop_gl(ctx) && target == GL_TEXTURE_1D; |
| case 2: |
| switch (target) { |
| case GL_TEXTURE_2D: |
| return GL_TRUE; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| return ctx->Extensions.ARB_texture_cube_map; |
| case GL_TEXTURE_RECTANGLE_NV: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.NV_texture_rectangle; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| return _mesa_is_desktop_gl(ctx) |
| && (ctx->Extensions.MESA_texture_array || |
| ctx->Extensions.EXT_texture_array); |
| default: |
| return GL_FALSE; |
| } |
| case 3: |
| switch (target) { |
| case GL_TEXTURE_3D: |
| return GL_TRUE; |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| return (_mesa_is_desktop_gl(ctx) |
| && (ctx->Extensions.MESA_texture_array || |
| ctx->Extensions.EXT_texture_array)) |
| || _mesa_is_gles3(ctx); |
| default: |
| return GL_FALSE; |
| } |
| default: |
| _mesa_problem(ctx, "invalid dims=%u in legal_texsubimage_target()", |
| dims); |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Helper function to determine if a texture object is mutable (in terms |
| * of GL_ARB_texture_storage). |
| */ |
| static GLboolean |
| mutable_tex_object(struct gl_context *ctx, GLenum target) |
| { |
| if (ctx->Extensions.ARB_texture_storage) { |
| struct gl_texture_object *texObj = |
| _mesa_get_current_tex_object(ctx, target); |
| return !texObj->Immutable; |
| } |
| return GL_TRUE; |
| } |
| |
| |
| GLenum |
| _mesa_es_error_check_format_and_type(GLenum format, GLenum type, |
| unsigned dimensions) |
| { |
| bool type_valid = true; |
| |
| switch (format) { |
| case GL_ALPHA: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_ALPHA: |
| type_valid = (type == GL_UNSIGNED_BYTE |
| || type == GL_FLOAT |
| || type == GL_HALF_FLOAT_OES); |
| break; |
| |
| case GL_RGB: |
| type_valid = (type == GL_UNSIGNED_BYTE |
| || type == GL_UNSIGNED_SHORT_5_6_5 |
| || type == GL_FLOAT |
| || type == GL_HALF_FLOAT_OES); |
| break; |
| |
| case GL_RGBA: |
| type_valid = (type == GL_UNSIGNED_BYTE |
| || type == GL_UNSIGNED_SHORT_4_4_4_4 |
| || type == GL_UNSIGNED_SHORT_5_5_5_1 |
| || type == GL_FLOAT |
| || type == GL_HALF_FLOAT_OES |
| || type == GL_UNSIGNED_INT_2_10_10_10_REV); |
| break; |
| |
| case GL_DEPTH_COMPONENT: |
| /* This format is filtered against invalid dimensionalities elsewhere. |
| */ |
| type_valid = (type == GL_UNSIGNED_SHORT |
| || type == GL_UNSIGNED_INT); |
| break; |
| |
| case GL_DEPTH_STENCIL: |
| /* This format is filtered against invalid dimensionalities elsewhere. |
| */ |
| type_valid = (type == GL_UNSIGNED_INT_24_8); |
| break; |
| |
| case GL_BGRA_EXT: |
| type_valid = (type == GL_UNSIGNED_BYTE); |
| |
| /* This feels like a bug in the EXT_texture_format_BGRA8888 spec, but |
| * the format does not appear to be allowed for 3D textures in OpenGL |
| * ES. |
| */ |
| if (dimensions != 2) |
| return GL_INVALID_VALUE; |
| |
| break; |
| |
| default: |
| return GL_INVALID_VALUE; |
| } |
| |
| return type_valid ? GL_NO_ERROR : GL_INVALID_OPERATION; |
| } |
| |
| |
| |
| /** |
| * Return expected size of a compressed texture. |
| */ |
| static GLuint |
| compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth, |
| GLenum glformat) |
| { |
| gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); |
| return _mesa_format_image_size(mesaFormat, width, height, depth); |
| } |
| |
| |
| /* |
| * Return compressed texture block size, in pixels. |
| */ |
| static void |
| get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh) |
| { |
| gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); |
| _mesa_get_format_block_size(mesaFormat, bw, bh); |
| } |
| |
| |
| /** |
| * Special value returned by error some texture error checking functions when |
| * an error is detected and the proxy texture image's width/height/depth/format |
| * fields should be zeroed-out. |
| */ |
| #define PROXY_ERROR 2 |
| |
| |
| /** |
| * Test the glTexImage[123]D() parameters for errors. |
| * |
| * \param ctx GL context. |
| * \param dimensions texture image dimensions (must be 1, 2 or 3). |
| * \param target texture target given by the user. |
| * \param level image level given by the user. |
| * \param internalFormat internal format given by the user. |
| * \param format pixel data format given by the user. |
| * \param type pixel data type given by the user. |
| * \param width image width given by the user. |
| * \param height image height given by the user. |
| * \param depth image depth given by the user. |
| * \param border image border given by the user. |
| * |
| * \return PROXY_ERROR if there's an error that should zero-out the proxy image, |
| * GL_TRUE if a regular GL error is found, or GL_FALSE if no error, |
| * |
| * Verifies each of the parameters against the constants specified in |
| * __struct gl_contextRec::Const and the supported extensions, and according |
| * to the OpenGL specification. |
| */ |
| static GLenum |
| texture_error_check( struct gl_context *ctx, |
| GLuint dimensions, GLenum target, |
| GLint level, GLint internalFormat, |
| GLenum format, GLenum type, |
| GLint width, GLint height, |
| GLint depth, GLint border ) |
| { |
| const GLenum proxyTarget = _mesa_get_proxy_target(target); |
| const GLboolean isProxy = target == proxyTarget; |
| GLboolean sizeOK = GL_TRUE; |
| GLboolean colorFormat; |
| GLenum err; |
| |
| /* Even though there are no color-index textures, we still have to support |
| * uploading color-index data and remapping it to RGB via the |
| * GL_PIXEL_MAP_I_TO_[RGBA] tables. |
| */ |
| const GLboolean indexFormat = (format == GL_COLOR_INDEX); |
| |
| /* Note: for proxy textures, some error conditions immediately generate |
| * a GL error in the usual way. But others do not generate a GL error. |
| * Instead, they cause the width, height, depth, format fields of the |
| * texture image to be zeroed-out. The GL spec seems to indicate that the |
| * zero-out behaviour is only used in cases related to memory allocation. |
| */ |
| |
| /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */ |
| if (level < 0 || level >= MAX_TEXTURE_LEVELS) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(level=%d)", dimensions, level); |
| return GL_TRUE; |
| } |
| |
| /* Check border */ |
| if (border < 0 || border > 1 || |
| ((ctx->API != API_OPENGL || |
| target == GL_TEXTURE_RECTANGLE_NV || |
| target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(border=%d)", dimensions, border); |
| return GL_TRUE; |
| } |
| |
| if (width < 0 || height < 0 || depth < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(width, height or depth < 0)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the |
| * combinations of format, internalFormat, and type that can be used. |
| * Formats and types that require additional extensions (e.g., GL_FLOAT |
| * requires GL_OES_texture_float) are filtered elsewhere. |
| */ |
| if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) { |
| if (format != internalFormat) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(format = %s, internalFormat = %s)", |
| dimensions, |
| _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(internalFormat)); |
| return GL_TRUE; |
| } |
| |
| err = _mesa_es_error_check_format_and_type(format, type, dimensions); |
| if (err != GL_NO_ERROR) { |
| _mesa_error(ctx, err, |
| "glTexImage%dD(format = %s, type = %s)", |
| dimensions, |
| _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type)); |
| return GL_TRUE; |
| } |
| } |
| |
| /* Do this simple check before calling the TestProxyTexImage() function */ |
| if (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB) { |
| sizeOK = (width == height); |
| } |
| |
| /* |
| * Use the proxy texture driver hook to see if the size/level/etc are |
| * legal. |
| */ |
| sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level, |
| internalFormat, format, |
| type, width, height, |
| depth, border); |
| if (!sizeOK) { |
| if (isProxy) { |
| /* No GL error is recorded, but we need to zero-out the image dims */ |
| return PROXY_ERROR; |
| } |
| else { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)", |
| dimensions, level, width, height, depth); |
| return GL_TRUE; |
| } |
| } |
| |
| /* Check internalFormat */ |
| if (_mesa_base_tex_format(ctx, internalFormat) < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(internalFormat=%s)", |
| dimensions, _mesa_lookup_enum_by_nr(internalFormat)); |
| return GL_TRUE; |
| } |
| |
| /* Check incoming image format and type */ |
| err = _mesa_error_check_format_and_type(ctx, format, type); |
| if (err != GL_NO_ERROR) { |
| _mesa_error(ctx, err, |
| "glTexImage%dD(incompatible format 0x%x, type 0x%x)", |
| dimensions, format, type); |
| return GL_TRUE; |
| } |
| |
| /* make sure internal format and format basically agree */ |
| colorFormat = _mesa_is_color_format(format); |
| if ((_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat) || |
| (_mesa_is_depth_format(internalFormat) != _mesa_is_depth_format(format)) || |
| (_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format)) || |
| (_mesa_is_depthstencil_format(internalFormat) != _mesa_is_depthstencil_format(format)) || |
| (_mesa_is_dudv_format(internalFormat) != _mesa_is_dudv_format(format))) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)", |
| dimensions, internalFormat, format); |
| return GL_TRUE; |
| } |
| |
| /* additional checks for ycbcr textures */ |
| if (internalFormat == GL_YCBCR_MESA) { |
| ASSERT(ctx->Extensions.MESA_ycbcr_texture); |
| if (type != GL_UNSIGNED_SHORT_8_8_MESA && |
| type != GL_UNSIGNED_SHORT_8_8_REV_MESA) { |
| char message[100]; |
| _mesa_snprintf(message, sizeof(message), |
| "glTexImage%dD(format/type YCBCR mismatch)", |
| dimensions); |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s", message); |
| return GL_TRUE; /* error */ |
| } |
| if (target != GL_TEXTURE_2D && |
| target != GL_PROXY_TEXTURE_2D && |
| target != GL_TEXTURE_RECTANGLE_NV && |
| target != GL_PROXY_TEXTURE_RECTANGLE_NV) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTexImage%dD(bad target for YCbCr texture)", |
| dimensions); |
| return GL_TRUE; |
| } |
| if (border != 0) { |
| char message[100]; |
| _mesa_snprintf(message, sizeof(message), |
| "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)", |
| dimensions, border); |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s", message); |
| return GL_TRUE; |
| } |
| } |
| |
| /* additional checks for depth textures */ |
| if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT) { |
| /* Only 1D, 2D, rect, array and cube textures supported, not 3D |
| * Cubemaps are only supported for GL version > 3.0 or with EXT_gpu_shader4 */ |
| if (target != GL_TEXTURE_1D && |
| target != GL_PROXY_TEXTURE_1D && |
| target != GL_TEXTURE_2D && |
| target != GL_PROXY_TEXTURE_2D && |
| target != GL_TEXTURE_1D_ARRAY && |
| target != GL_PROXY_TEXTURE_1D_ARRAY && |
| target != GL_TEXTURE_2D_ARRAY && |
| target != GL_PROXY_TEXTURE_2D_ARRAY && |
| target != GL_TEXTURE_RECTANGLE_ARB && |
| target != GL_PROXY_TEXTURE_RECTANGLE_ARB && |
| !((_mesa_is_cube_face(target) || target == GL_PROXY_TEXTURE_CUBE_MAP) && |
| (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4))) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTexImage%dD(bad target for depth texture)", |
| dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* additional checks for compressed textures */ |
| if (_mesa_is_compressed_format(ctx, internalFormat)) { |
| if (!target_can_be_compressed(ctx, target, internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTexImage%dD(target can't be compressed)", dimensions); |
| return GL_TRUE; |
| } |
| if (compressedteximage_only_format(ctx, internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(no compression for format)", dimensions); |
| return GL_TRUE; |
| } |
| if (border != 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(border!=0)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* additional checks for integer textures */ |
| if ((ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) && |
| (_mesa_is_enum_format_integer(format) != |
| _mesa_is_enum_format_integer(internalFormat))) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(integer/non-integer format mismatch)", |
| dimensions); |
| return GL_TRUE; |
| } |
| |
| if (!mutable_tex_object(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(immutable texture)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Error checking for glCompressedTexImage[123]D(). |
| * \param reason returns reason for error, if any |
| * \return error code or GL_NO_ERROR or PROXY_ERROR. |
| */ |
| static GLenum |
| compressed_texture_error_check(struct gl_context *ctx, GLint dimensions, |
| GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLsizei height, GLsizei depth, GLint border, |
| GLsizei imageSize) |
| { |
| const GLenum proxyTarget = _mesa_get_proxy_target(target); |
| const GLint maxLevels = _mesa_max_texture_levels(ctx, target); |
| GLint expectedSize; |
| GLenum choose_format; |
| GLenum choose_type; |
| GLenum proxy_format; |
| GLenum error = GL_NO_ERROR; |
| char *reason = ""; /* no error */ |
| |
| if (!target_can_be_compressed(ctx, target, internalFormat)) { |
| reason = "target"; |
| error = GL_INVALID_ENUM; |
| goto error; |
| } |
| |
| /* This will detect any invalid internalFormat value */ |
| if (!_mesa_is_compressed_format(ctx, internalFormat)) { |
| reason = "internalFormat"; |
| error = GL_INVALID_ENUM; |
| goto error; |
| } |
| |
| switch (internalFormat) { |
| #if FEATURE_ES |
| case GL_PALETTE4_RGB8_OES: |
| case GL_PALETTE4_RGBA8_OES: |
| case GL_PALETTE4_R5_G6_B5_OES: |
| case GL_PALETTE4_RGBA4_OES: |
| case GL_PALETTE4_RGB5_A1_OES: |
| case GL_PALETTE8_RGB8_OES: |
| case GL_PALETTE8_RGBA8_OES: |
| case GL_PALETTE8_R5_G6_B5_OES: |
| case GL_PALETTE8_RGBA4_OES: |
| case GL_PALETTE8_RGB5_A1_OES: |
| _mesa_cpal_compressed_format_type(internalFormat, &choose_format, |
| &choose_type); |
| proxy_format = choose_format; |
| |
| /* check level (note that level should be zero or less!) */ |
| if (level > 0 || level < -maxLevels) { |
| reason = "level"; |
| error = GL_INVALID_VALUE; |
| goto error; |
| } |
| |
| if (dimensions != 2) { |
| reason = "compressed paletted textures must be 2D"; |
| error = GL_INVALID_OPERATION; |
| goto error; |
| } |
| |
| /* Figure out the expected texture size (in bytes). This will be |
| * checked against the actual size later. |
| */ |
| expectedSize = _mesa_cpal_compressed_size(level, internalFormat, |
| width, height); |
| |
| /* This is for the benefit of the TestProxyTexImage below. It expects |
| * level to be non-negative. OES_compressed_paletted_texture uses a |
| * weird mechanism where the level specified to glCompressedTexImage2D |
| * is -(n-1) number of levels in the texture, and the data specifies the |
| * complete mipmap stack. This is done to ensure the palette is the |
| * same for all levels. |
| */ |
| level = -level; |
| break; |
| #endif |
| |
| default: |
| choose_format = GL_NONE; |
| choose_type = GL_NONE; |
| proxy_format = internalFormat; |
| |
| /* check level */ |
| if (level < 0 || level >= maxLevels) { |
| reason = "level"; |
| error = GL_INVALID_VALUE; |
| goto error; |
| } |
| |
| /* Figure out the expected texture size (in bytes). This will be |
| * checked against the actual size later. |
| */ |
| expectedSize = compressed_tex_size(width, height, depth, internalFormat); |
| break; |
| } |
| |
| /* This should really never fail */ |
| if (_mesa_base_tex_format(ctx, internalFormat) < 0) { |
| reason = "internalFormat"; |
| error = GL_INVALID_ENUM; |
| goto error; |
| } |
| |
| /* No compressed formats support borders at this time */ |
| if (border != 0) { |
| reason = "border != 0"; |
| error = GL_INVALID_VALUE; |
| goto error; |
| } |
| |
| /* For cube map, width must equal height */ |
| if (_mesa_is_cube_face(target) && width != height) { |
| reason = "width != height"; |
| error = GL_INVALID_VALUE; |
| goto error; |
| } |
| |
| /* check image sizes */ |
| if (!ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level, |
| proxy_format, choose_format, |
| choose_type, |
| width, height, depth, border)) { |
| /* See error comment above */ |
| if (target == proxyTarget) { |
| return PROXY_ERROR; |
| } |
| reason = "invalid width, height or format"; |
| error = GL_INVALID_OPERATION; |
| goto error; |
| } |
| |
| /* check image size in bytes */ |
| if (expectedSize != imageSize) { |
| /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...] |
| * if <imageSize> is not consistent with the format, dimensions, and |
| * contents of the specified image. |
| */ |
| reason = "imageSize inconsistant with width/height/format"; |
| error = GL_INVALID_VALUE; |
| goto error; |
| } |
| |
| if (!mutable_tex_object(ctx, target)) { |
| reason = "immutable texture"; |
| error = GL_INVALID_OPERATION; |
| goto error; |
| } |
| |
| return GL_NO_ERROR; |
| |
| error: |
| _mesa_error(ctx, error, "glCompressedTexImage%dD(%s)", dimensions, reason); |
| return error; |
| } |
| |
| |
| |
| /** |
| * Test glTexSubImage[123]D() parameters for errors. |
| * |
| * \param ctx GL context. |
| * \param dimensions texture image dimensions (must be 1, 2 or 3). |
| * \param target texture target given by the user. |
| * \param level image level given by the user. |
| * \param xoffset sub-image x offset given by the user. |
| * \param yoffset sub-image y offset given by the user. |
| * \param zoffset sub-image z offset given by the user. |
| * \param format pixel data format given by the user. |
| * \param type pixel data type given by the user. |
| * \param width image width given by the user. |
| * \param height image height given by the user. |
| * \param depth image depth given by the user. |
| * |
| * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. |
| * |
| * Verifies each of the parameters against the constants specified in |
| * __struct gl_contextRec::Const and the supported extensions, and according |
| * to the OpenGL specification. |
| */ |
| static GLboolean |
| subtexture_error_check( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint width, GLint height, GLint depth, |
| GLenum format, GLenum type ) |
| { |
| GLenum err; |
| |
| /* Basic level check */ |
| if (level < 0 || level >= MAX_TEXTURE_LEVELS) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level); |
| return GL_TRUE; |
| } |
| |
| /* Check for negative sizes */ |
| if (width < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexSubImage%dD(width=%d)", dimensions, width); |
| return GL_TRUE; |
| } |
| if (height < 0 && dimensions > 1) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexSubImage%dD(height=%d)", dimensions, height); |
| return GL_TRUE; |
| } |
| if (depth < 0 && dimensions > 2) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexSubImage%dD(depth=%d)", dimensions, depth); |
| return GL_TRUE; |
| } |
| |
| /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the |
| * combinations of format and type that can be used. Formats and types |
| * that require additional extensions (e.g., GL_FLOAT requires |
| * GL_OES_texture_float) are filtered elsewhere. |
| */ |
| if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) { |
| err = _mesa_es_error_check_format_and_type(format, type, dimensions); |
| if (err != GL_NO_ERROR) { |
| _mesa_error(ctx, err, |
| "glTexSubImage%dD(format = %s, type = %s)", |
| dimensions, |
| _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type)); |
| return GL_TRUE; |
| } |
| } |
| |
| err = _mesa_error_check_format_and_type(ctx, format, type); |
| if (err != GL_NO_ERROR) { |
| _mesa_error(ctx, err, |
| "glTexSubImage%dD(incompatible format 0x%x, type 0x%x)", |
| dimensions, format, type); |
| return GL_TRUE; |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Do second part of glTexSubImage which depends on the destination texture. |
| * \return GL_TRUE if error recorded, GL_FALSE otherwise |
| */ |
| static GLboolean |
| subtexture_error_check2( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint width, GLint height, GLint depth, |
| GLenum format, GLenum type, |
| const struct gl_texture_image *destTex ) |
| { |
| if (!destTex) { |
| /* undefined image level */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTexSubImage%dD", dimensions); |
| return GL_TRUE; |
| } |
| |
| if (xoffset < -((GLint)destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset)", |
| dimensions); |
| return GL_TRUE; |
| } |
| if (xoffset + width > (GLint) (destTex->Width + destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset+width)", |
| dimensions); |
| return GL_TRUE; |
| } |
| if (dimensions > 1) { |
| GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : destTex->Border; |
| if (yoffset < -yBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset)", |
| dimensions); |
| return GL_TRUE; |
| } |
| if (yoffset + height > (GLint) destTex->Height + yBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset+height)", |
| dimensions); |
| return GL_TRUE; |
| } |
| } |
| if (dimensions > 2) { |
| GLint zBorder = (target == GL_TEXTURE_2D_ARRAY) ? 0 : destTex->Border; |
| if (zoffset < -zBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)"); |
| return GL_TRUE; |
| } |
| if (zoffset + depth > (GLint) destTex->Depth + zBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)"); |
| return GL_TRUE; |
| } |
| } |
| |
| if (_mesa_is_format_compressed(destTex->TexFormat)) { |
| GLuint bw, bh; |
| |
| if (compressedteximage_only_format(ctx, destTex->InternalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexSubImage%dD(no compression for format)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* do tests which depend on compression block size */ |
| _mesa_get_format_block_size(destTex->TexFormat, &bw, &bh); |
| |
| /* offset must be multiple of block size */ |
| if ((xoffset % bw != 0) || (yoffset % bh != 0)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexSubImage%dD(xoffset = %d, yoffset = %d)", |
| dimensions, xoffset, yoffset); |
| return GL_TRUE; |
| } |
| /* size must be multiple of bw by bh or equal to whole texture size */ |
| if ((width % bw != 0) && (GLuint) width != destTex->Width) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexSubImage%dD(width = %d)", dimensions, width); |
| return GL_TRUE; |
| } |
| if ((height % bh != 0) && (GLuint) height != destTex->Height) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexSubImage%dD(height = %d)", dimensions, height); |
| return GL_TRUE; |
| } |
| } |
| |
| if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) { |
| /* both source and dest must be integer-valued, or neither */ |
| if (_mesa_is_format_integer_color(destTex->TexFormat) != |
| _mesa_is_enum_format_integer(format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexSubImage%dD(integer/non-integer format mismatch)", |
| dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Test glCopyTexImage[12]D() parameters for errors. |
| * |
| * \param ctx GL context. |
| * \param dimensions texture image dimensions (must be 1, 2 or 3). |
| * \param target texture target given by the user. |
| * \param level image level given by the user. |
| * \param internalFormat internal format given by the user. |
| * \param width image width given by the user. |
| * \param height image height given by the user. |
| * \param border texture border. |
| * |
| * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. |
| * |
| * Verifies each of the parameters against the constants specified in |
| * __struct gl_contextRec::Const and the supported extensions, and according |
| * to the OpenGL specification. |
| */ |
| static GLboolean |
| copytexture_error_check( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level, GLint internalFormat, |
| GLint width, GLint height, GLint border ) |
| { |
| const GLenum proxyTarget = _mesa_get_proxy_target(target); |
| const GLenum type = GL_FLOAT; |
| GLboolean sizeOK; |
| GLint baseFormat; |
| |
| /* check target */ |
| if (!legal_texsubimage_target(ctx, dimensions, target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)", |
| dimensions, _mesa_lookup_enum_by_nr(target)); |
| return GL_TRUE; |
| } |
| |
| /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */ |
| if (level < 0 || level >= MAX_TEXTURE_LEVELS) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%dD(level=%d)", dimensions, level); |
| return GL_TRUE; |
| } |
| |
| /* Check that the source buffer is complete */ |
| if (_mesa_is_user_fbo(ctx->ReadBuffer)) { |
| if (ctx->ReadBuffer->_Status == 0) { |
| _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer); |
| } |
| if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { |
| _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, |
| "glCopyTexImage%dD(invalid readbuffer)", dimensions); |
| return GL_TRUE; |
| } |
| |
| if (ctx->ReadBuffer->Visual.samples > 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(multisample FBO)", |
| dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* Check border */ |
| if (border < 0 || border > 1 || |
| ((ctx->API != API_OPENGL || |
| target == GL_TEXTURE_RECTANGLE_NV || |
| target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%dD(border=%d)", dimensions, border); |
| return GL_TRUE; |
| } |
| |
| /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the |
| * internalFormat. |
| */ |
| if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) { |
| switch (internalFormat) { |
| case GL_ALPHA: |
| case GL_RGB: |
| case GL_RGBA: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_ALPHA: |
| break; |
| default: |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%dD(internalFormat)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| baseFormat = _mesa_base_tex_format(ctx, internalFormat); |
| if (baseFormat < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%dD(internalFormat)", dimensions); |
| return GL_TRUE; |
| } |
| |
| if (!_mesa_source_buffer_exists(ctx, baseFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(missing readbuffer)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* From the EXT_texture_integer spec: |
| * |
| * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage* |
| * if the texture internalformat is an integer format and the read color |
| * buffer is not an integer format, or if the internalformat is not an |
| * integer format and the read color buffer is an integer format." |
| */ |
| if (_mesa_is_color_format(internalFormat)) { |
| struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer; |
| |
| if (_mesa_is_enum_format_integer(rb->InternalFormat) != |
| _mesa_is_enum_format_integer(internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(integer vs non-integer)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* Do size, level checking */ |
| sizeOK = (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB) |
| ? (width == height) : 1; |
| |
| sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level, |
| internalFormat, baseFormat, |
| type, width, height, |
| 1, border); |
| |
| if (!sizeOK) { |
| if (dimensions == 1) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage1D(width=%d)", width); |
| } |
| else { |
| ASSERT(dimensions == 2); |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage2D(width=%d, height=%d)", width, height); |
| } |
| return GL_TRUE; |
| } |
| |
| if (_mesa_is_compressed_format(ctx, internalFormat)) { |
| if (!target_can_be_compressed(ctx, target, internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glCopyTexImage%dD(target)", dimensions); |
| return GL_TRUE; |
| } |
| if (compressedteximage_only_format(ctx, internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(no compression for format)", dimensions); |
| return GL_TRUE; |
| } |
| if (border != 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(border!=0)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| if (!mutable_tex_object(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(immutable texture)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Test glCopyTexSubImage[12]D() parameters for errors. |
| * Note that this is the first part of error checking. |
| * See also copytexsubimage_error_check2() below for the second part. |
| * |
| * \param ctx GL context. |
| * \param dimensions texture image dimensions (must be 1, 2 or 3). |
| * \param target texture target given by the user. |
| * \param level image level given by the user. |
| * |
| * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. |
| */ |
| static GLboolean |
| copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level) |
| { |
| /* Check that the source buffer is complete */ |
| if (_mesa_is_user_fbo(ctx->ReadBuffer)) { |
| if (ctx->ReadBuffer->_Status == 0) { |
| _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer); |
| } |
| if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { |
| _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, |
| "glCopyTexImage%dD(invalid readbuffer)", dimensions); |
| return GL_TRUE; |
| } |
| |
| if (ctx->ReadBuffer->Visual.samples > 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexSubImage%dD(multisample FBO)", |
| dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* check target (proxies not allowed) */ |
| if (!legal_texsubimage_target(ctx, dimensions, target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexSubImage%uD(target=%s)", |
| dimensions, _mesa_lookup_enum_by_nr(target)); |
| return GL_TRUE; |
| } |
| |
| /* Check level */ |
| if (level < 0 || level >= MAX_TEXTURE_LEVELS) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(level=%d)", dimensions, level); |
| return GL_TRUE; |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Second part of error checking for glCopyTexSubImage[12]D(). |
| * \param xoffset sub-image x offset given by the user. |
| * \param yoffset sub-image y offset given by the user. |
| * \param zoffset sub-image z offset given by the user. |
| * \param width image width given by the user. |
| * \param height image height given by the user. |
| */ |
| static GLboolean |
| copytexsubimage_error_check2( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, |
| const struct gl_texture_image *teximage ) |
| { |
| /* check that dest tex image exists */ |
| if (!teximage) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexSubImage%dD(undefined texture level: %d)", |
| dimensions, level); |
| return GL_TRUE; |
| } |
| |
| /* Check size */ |
| if (width < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(width=%d)", dimensions, width); |
| return GL_TRUE; |
| } |
| if (dimensions > 1 && height < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(height=%d)", dimensions, height); |
| return GL_TRUE; |
| } |
| |
| /* check x/y offsets */ |
| if (xoffset < -((GLint)teximage->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset); |
| return GL_TRUE; |
| } |
| if (xoffset + width > (GLint) (teximage->Width + teximage->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(xoffset+width)", dimensions); |
| return GL_TRUE; |
| } |
| if (dimensions > 1) { |
| GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : teximage->Border; |
| if (yoffset < -yBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(yoffset=%d)", dimensions, yoffset); |
| return GL_TRUE; |
| } |
| /* NOTE: we're adding the border here, not subtracting! */ |
| if (yoffset + height > (GLint) teximage->Height + yBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(yoffset+height)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* check z offset */ |
| if (dimensions > 2) { |
| GLint zBorder = (target == GL_TEXTURE_2D_ARRAY) ? 0 : teximage->Border; |
| if (zoffset < -zBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(zoffset)", dimensions); |
| return GL_TRUE; |
| } |
| if (zoffset > (GLint) teximage->Depth + zBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(zoffset+depth)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| if (_mesa_is_format_compressed(teximage->TexFormat)) { |
| if (compressedteximage_only_format(ctx, teximage->InternalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexSubImage%dD(no compression for format)", dimensions); |
| return GL_TRUE; |
| } |
| /* offset must be multiple of 4 */ |
| if ((xoffset & 3) || (yoffset & 3)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(xoffset or yoffset)", dimensions); |
| return GL_TRUE; |
| } |
| /* size must be multiple of 4 */ |
| if ((width & 3) != 0 && (GLuint) width != teximage->Width) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(width)", dimensions); |
| return GL_TRUE; |
| } |
| if ((height & 3) != 0 && (GLuint) height != teximage->Height) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(height)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| if (teximage->InternalFormat == GL_YCBCR_MESA) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexSubImage2D"); |
| return GL_TRUE; |
| } |
| |
| if (!_mesa_source_buffer_exists(ctx, teximage->_BaseFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexSubImage%dD(missing readbuffer, format=0x%x)", |
| dimensions, teximage->_BaseFormat); |
| return GL_TRUE; |
| } |
| |
| /* From the EXT_texture_integer spec: |
| * |
| * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage* |
| * if the texture internalformat is an integer format and the read color |
| * buffer is not an integer format, or if the internalformat is not an |
| * integer format and the read color buffer is an integer format." |
| */ |
| if (_mesa_is_color_format(teximage->InternalFormat)) { |
| struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer; |
| |
| if (_mesa_is_format_integer_color(rb->Format) != |
| _mesa_is_format_integer_color(teximage->TexFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(integer vs non-integer)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| /** Callback info for walking over FBO hash table */ |
| struct cb_info |
| { |
| struct gl_context *ctx; |
| struct gl_texture_object *texObj; |
| GLuint level, face; |
| }; |
| |
| |
| /** |
| * Check render to texture callback. Called from _mesa_HashWalk(). |
| */ |
| static void |
| check_rtt_cb(GLuint key, void *data, void *userData) |
| { |
| struct gl_framebuffer *fb = (struct gl_framebuffer *) data; |
| const struct cb_info *info = (struct cb_info *) userData; |
| struct gl_context *ctx = info->ctx; |
| const struct gl_texture_object *texObj = info->texObj; |
| const GLuint level = info->level, face = info->face; |
| |
| /* If this is a user-created FBO */ |
| if (_mesa_is_user_fbo(fb)) { |
| GLuint i; |
| /* check if any of the FBO's attachments point to 'texObj' */ |
| for (i = 0; i < BUFFER_COUNT; i++) { |
| struct gl_renderbuffer_attachment *att = fb->Attachment + i; |
| if (att->Type == GL_TEXTURE && |
| att->Texture == texObj && |
| att->TextureLevel == level && |
| att->CubeMapFace == face) { |
| ASSERT(_mesa_get_attachment_teximage(att)); |
| /* Tell driver about the new renderbuffer texture */ |
| ctx->Driver.RenderTexture(ctx, ctx->DrawBuffer, att); |
| /* Mark fb status as indeterminate to force re-validation */ |
| fb->_Status = 0; |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * When a texture image is specified we have to check if it's bound to |
| * any framebuffer objects (render to texture) in order to detect changes |
| * in size or format since that effects FBO completeness. |
| * Any FBOs rendering into the texture must be re-validated. |
| */ |
| void |
| _mesa_update_fbo_texture(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLuint face, GLuint level) |
| { |
| /* Only check this texture if it's been marked as RenderToTexture */ |
| if (texObj->_RenderToTexture) { |
| struct cb_info info; |
| info.ctx = ctx; |
| info.texObj = texObj; |
| info.level = level; |
| info.face = face; |
| _mesa_HashWalk(ctx->Shared->FrameBuffers, check_rtt_cb, &info); |
| } |
| } |
| |
| |
| /** |
| * If the texture object's GenerateMipmap flag is set and we've |
| * changed the texture base level image, regenerate the rest of the |
| * mipmap levels now. |
| */ |
| static inline void |
| check_gen_mipmap(struct gl_context *ctx, GLenum target, |
| struct gl_texture_object *texObj, GLint level) |
| { |
| ASSERT(target != GL_TEXTURE_CUBE_MAP); |
| if (texObj->GenerateMipmap && |
| level == texObj->BaseLevel && |
| level < texObj->MaxLevel) { |
| ASSERT(ctx->Driver.GenerateMipmap); |
| ctx->Driver.GenerateMipmap(ctx, target, texObj); |
| } |
| } |
| |
| |
| /** Debug helper: override the user-requested internal format */ |
| static GLenum |
| override_internal_format(GLenum internalFormat, GLint width, GLint height) |
| { |
| #if 0 |
| if (internalFormat == GL_RGBA16F_ARB || |
| internalFormat == GL_RGBA32F_ARB) { |
| printf("Convert rgba float tex to int %d x %d\n", width, height); |
| return GL_RGBA; |
| } |
| else if (internalFormat == GL_RGB16F_ARB || |
| internalFormat == GL_RGB32F_ARB) { |
| printf("Convert rgb float tex to int %d x %d\n", width, height); |
| return GL_RGB; |
| } |
| else if (internalFormat == GL_LUMINANCE_ALPHA16F_ARB || |
| internalFormat == GL_LUMINANCE_ALPHA32F_ARB) { |
| printf("Convert luminance float tex to int %d x %d\n", width, height); |
| return GL_LUMINANCE_ALPHA; |
| } |
| else if (internalFormat == GL_LUMINANCE16F_ARB || |
| internalFormat == GL_LUMINANCE32F_ARB) { |
| printf("Convert luminance float tex to int %d x %d\n", width, height); |
| return GL_LUMINANCE; |
| } |
| else if (internalFormat == GL_ALPHA16F_ARB || |
| internalFormat == GL_ALPHA32F_ARB) { |
| printf("Convert luminance float tex to int %d x %d\n", width, height); |
| return GL_ALPHA; |
| } |
| /* |
| else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) { |
| internalFormat = GL_RGBA; |
| } |
| */ |
| else { |
| return internalFormat; |
| } |
| #else |
| return internalFormat; |
| #endif |
| } |
| |
| |
| /** |
| * Choose the actual hardware format for a texture image. |
| * Try to use the same format as the previous image level when possible. |
| * Otherwise, ask the driver for the best format. |
| * It's important to try to choose a consistant format for all levels |
| * for efficient texture memory layout/allocation. In particular, this |
| * comes up during automatic mipmap generation. |
| */ |
| gl_format |
| _mesa_choose_texture_format(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum target, GLint level, |
| GLenum internalFormat, GLenum format, GLenum type) |
| { |
| gl_format f; |
| |
| /* see if we've already chosen a format for the previous level */ |
| if (level > 0) { |
| struct gl_texture_image *prevImage = |
| _mesa_select_tex_image(ctx, texObj, target, level - 1); |
| /* See if the prev level is defined and has an internal format which |
| * matches the new internal format. |
| */ |
| if (prevImage && |
| prevImage->Width > 0 && |
| prevImage->InternalFormat == internalFormat) { |
| /* use the same format */ |
| ASSERT(prevImage->TexFormat != MESA_FORMAT_NONE); |
| return prevImage->TexFormat; |
| } |
| } |
| |
| /* If the application requested compression to an S3TC format but we don't |
| * have the DTXn library, force a generic compressed format instead. |
| */ |
| if (internalFormat != format && format != GL_NONE) { |
| const GLenum before = internalFormat; |
| |
| switch (internalFormat) { |
| case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: |
| if (!ctx->Mesa_DXTn) |
| internalFormat = GL_COMPRESSED_RGB; |
| break; |
| case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: |
| if (!ctx->Mesa_DXTn) |
| internalFormat = GL_COMPRESSED_RGBA; |
| break; |
| default: |
| break; |
| } |
| |
| if (before != internalFormat) { |
| _mesa_warning(ctx, |
| "DXT compression requested (%s), " |
| "but libtxc_dxtn library not installed. Using %s " |
| "instead.", |
| _mesa_lookup_enum_by_nr(before), |
| _mesa_lookup_enum_by_nr(internalFormat)); |
| } |
| } |
| |
| /* choose format from scratch */ |
| f = ctx->Driver.ChooseTextureFormat(ctx, texObj->Target, internalFormat, |
| format, type); |
| ASSERT(f != MESA_FORMAT_NONE); |
| return f; |
| } |
| |
| /** |
| * Adjust pixel unpack params and image dimensions to strip off the |
| * one-pixel texture border. |
| * |
| * Gallium and intel don't support texture borders. They've seldem been used |
| * and seldom been implemented correctly anyway. |
| * |
| * \param unpackNew returns the new pixel unpack parameters |
| */ |
| static void |
| strip_texture_border(GLenum target, |
| GLint *width, GLint *height, GLint *depth, |
| const struct gl_pixelstore_attrib *unpack, |
| struct gl_pixelstore_attrib *unpackNew) |
| { |
| assert(width); |
| assert(height); |
| assert(depth); |
| |
| *unpackNew = *unpack; |
| |
| if (unpackNew->RowLength == 0) |
| unpackNew->RowLength = *width; |
| |
| if (unpackNew->ImageHeight == 0) |
| unpackNew->ImageHeight = *height; |
| |
| assert(*width >= 3); |
| unpackNew->SkipPixels++; /* skip the border */ |
| *width = *width - 2; /* reduce the width by two border pixels */ |
| |
| /* The min height of a texture with a border is 3 */ |
| if (*height >= 3 && target != GL_TEXTURE_1D_ARRAY) { |
| unpackNew->SkipRows++; /* skip the border */ |
| *height = *height - 2; /* reduce the height by two border pixels */ |
| } |
| |
| if (*depth >= 3 && target != GL_TEXTURE_2D_ARRAY) { |
| unpackNew->SkipImages++; /* skip the border */ |
| *depth = *depth - 2; /* reduce the depth by two border pixels */ |
| } |
| } |
| |
| |
| /** |
| * Common code to implement all the glTexImage1D/2D/3D functions |
| * as well as glCompressedTexImage1D/2D/3D. |
| * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls. |
| * \param format the user's image format (only used if !compressed) |
| * \param type the user's image type (only used if !compressed) |
| * \param imageSize only used for glCompressedTexImage1D/2D/3D calls. |
| */ |
| static void |
| teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims, |
| GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum format, GLenum type, |
| GLsizei imageSize, const GLvoid *pixels) |
| { |
| const char *func = compressed ? "glCompressedTexImage" : "glTexImage"; |
| GLenum error; |
| struct gl_pixelstore_attrib unpack_no_border; |
| const struct gl_pixelstore_attrib *unpack = &ctx->Unpack; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) { |
| if (compressed) |
| _mesa_debug(ctx, |
| "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n", |
| dims, |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), |
| width, height, depth, border, pixels); |
| else |
| _mesa_debug(ctx, |
| "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n", |
| dims, |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), |
| width, height, depth, border, |
| _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type), pixels); |
| } |
| |
| internalFormat = override_internal_format(internalFormat, width, height); |
| |
| /* target error checking */ |
| if (!legal_teximage_target(ctx, dims, target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)", |
| func, dims, _mesa_lookup_enum_by_nr(target)); |
| return; |
| } |
| |
| /* general error checking */ |
| if (compressed) { |
| error = compressed_texture_error_check(ctx, dims, target, level, |
| internalFormat, |
| width, height, depth, |
| border, imageSize); |
| } |
| else { |
| error = texture_error_check(ctx, dims, target, level, internalFormat, |
| format, type, width, height, depth, border); |
| } |
| |
| #if FEATURE_ES |
| /* Here we convert a cpal compressed image into a regular glTexImage2D |
| * call by decompressing the texture. If we really want to support cpal |
| * textures in any driver this would have to be changed. |
| */ |
| if (compressed && !error && dims == 2) { |
| switch (internalFormat) { |
| case GL_PALETTE4_RGB8_OES: |
| case GL_PALETTE4_RGBA8_OES: |
| case GL_PALETTE4_R5_G6_B5_OES: |
| case GL_PALETTE4_RGBA4_OES: |
| case GL_PALETTE4_RGB5_A1_OES: |
| case GL_PALETTE8_RGB8_OES: |
| case GL_PALETTE8_RGBA8_OES: |
| case GL_PALETTE8_R5_G6_B5_OES: |
| case GL_PALETTE8_RGBA4_OES: |
| case GL_PALETTE8_RGB5_A1_OES: |
| _mesa_cpal_compressed_teximage2d(target, level, internalFormat, |
| width, height, imageSize, pixels); |
| return; |
| } |
| } |
| #endif |
| |
| if (_mesa_is_proxy_texture(target)) { |
| /* Proxy texture: just clear or set state depending on error checking */ |
| struct gl_texture_image *texImage = |
| get_proxy_tex_image(ctx, target, level); |
| gl_format texFormat = MESA_FORMAT_NONE; |
| |
| if (!error) { |
| /* No parameter errors. Choose a texture format and see if we |
| * can really allocate the texture. |
| */ |
| struct gl_texture_object *texObj = |
| _mesa_get_current_tex_object(ctx, target); |
| texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, |
| internalFormat, format, type); |
| if (!legal_texture_size(ctx, texFormat, width, height, depth)) { |
| error = PROXY_ERROR; |
| } |
| } |
| |
| if (error == PROXY_ERROR) { |
| /* image too large, etc. Clear all proxy texture image parameters. */ |
| if (texImage) |
| clear_teximage_fields(texImage); |
| } |
| else if (error == GL_FALSE) { |
| /* no error: store the teximage parameters */ |
| if (texImage) |
| _mesa_init_teximage_fields(ctx, texImage, width, height, depth, |
| border, internalFormat, texFormat); |
| } |
| else { |
| /* other, regular error (was already recorded) */ |
| } |
| } |
| else { |
| /* non-proxy target */ |
| const GLuint face = _mesa_tex_target_to_face(target); |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| if (error) { |
| return; /* error was recorded */ |
| } |
| |
| /* Allow a hardware driver to just strip out the border, to provide |
| * reliable but slightly incorrect hardware rendering instead of |
| * rarely-tested software fallback rendering. |
| */ |
| if (border && ctx->Const.StripTextureBorder) { |
| strip_texture_border(target, &width, &height, &depth, unpack, |
| &unpack_no_border); |
| border = 0; |
| unpack = &unpack_no_border; |
| } |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims); |
| } |
| else { |
| gl_format texFormat; |
| |
| ctx->Driver.FreeTextureImageBuffer(ctx, texImage); |
| |
| texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, |
| internalFormat, format, |
| type); |
| |
| if (legal_texture_size(ctx, texFormat, width, height, depth)) { |
| _mesa_init_teximage_fields(ctx, texImage, |
| width, height, depth, |
| border, internalFormat, texFormat); |
| |
| /* Give the texture to the driver. <pixels> may be null. */ |
| if (width > 0 && height > 0 && depth > 0) { |
| if (compressed) { |
| ctx->Driver.CompressedTexImage(ctx, dims, texImage, |
| imageSize, pixels); |
| } |
| else { |
| ctx->Driver.TexImage(ctx, dims, texImage, format, |
| type, pixels, unpack); |
| } |
| } |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| _mesa_update_fbo_texture(ctx, texObj, face, level); |
| |
| _mesa_dirty_texobj(ctx, texObj, GL_TRUE); |
| } |
| else { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims); |
| } |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| } |
| |
| |
| /* |
| * Called from the API. Note that width includes the border. |
| */ |
| void GLAPIENTRY |
| _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLint border, GLenum format, |
| GLenum type, const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_FALSE, 1, target, level, internalFormat, width, 1, 1, |
| border, format, type, 0, pixels); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLsizei height, GLint border, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_FALSE, 2, target, level, internalFormat, width, height, 1, |
| border, format, type, 0, pixels); |
| } |
| |
| |
| /* |
| * Called by the API or display list executor. |
| * Note that width and height include the border. |
| */ |
| void GLAPIENTRY |
| _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_FALSE, 3, target, level, internalFormat, |
| width, height, depth, |
| border, format, type, 0, pixels); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height, |
| depth, border, format, type, pixels); |
| } |
| |
| |
| #if FEATURE_OES_EGL_image |
| void GLAPIENTRY |
| _mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| bool valid_target; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| switch (target) { |
| case GL_TEXTURE_2D: |
| valid_target = ctx->Extensions.OES_EGL_image; |
| break; |
| case GL_TEXTURE_EXTERNAL_OES: |
| valid_target = ctx->Extensions.OES_EGL_image_external; |
| break; |
| default: |
| valid_target = false; |
| break; |
| } |
| |
| if (!valid_target) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glEGLImageTargetTexture2D(target=%d)", target); |
| return; |
| } |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| _mesa_lock_texture(ctx, texObj); |
| |
| if (texObj->Immutable) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glEGLImageTargetTexture2D(texture is immutable)"); |
| _mesa_unlock_texture(ctx, texObj); |
| return; |
| } |
| |
| texImage = _mesa_get_tex_image(ctx, texObj, target, 0); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D"); |
| } else { |
| ctx->Driver.FreeTextureImageBuffer(ctx, texImage); |
| |
| ctx->Driver.EGLImageTargetTexture2D(ctx, target, |
| texObj, texImage, image); |
| |
| _mesa_dirty_texobj(ctx, texObj, GL_TRUE); |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| |
| } |
| #endif |
| |
| |
| |
| /** |
| * Implement all the glTexSubImage1/2/3D() functions. |
| */ |
| static void |
| texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, const GLvoid *pixels ) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n", |
| dims, |
| _mesa_lookup_enum_by_nr(target), level, |
| xoffset, yoffset, zoffset, width, height, depth, |
| _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type), pixels); |
| |
| /* check target (proxies not allowed) */ |
| if (!legal_texsubimage_target(ctx, dims, target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)", |
| dims, _mesa_lookup_enum_by_nr(target)); |
| return; |
| } |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| if (subtexture_error_check(ctx, dims, target, level, xoffset, yoffset, zoffset, |
| width, height, depth, format, type)) { |
| return; /* error was detected */ |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| if (subtexture_error_check2(ctx, dims, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, texImage)) { |
| /* error was recorded */ |
| } |
| else if (width > 0 && height > 0 && depth > 0) { |
| /* If we have a border, offset=-1 is legal. Bias by border width. */ |
| switch (dims) { |
| case 3: |
| if (target != GL_TEXTURE_2D_ARRAY) |
| zoffset += texImage->Border; |
| /* fall-through */ |
| case 2: |
| if (target != GL_TEXTURE_1D_ARRAY) |
| yoffset += texImage->Border; |
| /* fall-through */ |
| case 1: |
| xoffset += texImage->Border; |
| } |
| |
| ctx->Driver.TexSubImage(ctx, dims, texImage, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, pixels, &ctx->Unpack); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexSubImage1D( GLenum target, GLint level, |
| GLint xoffset, GLsizei width, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| texsubimage(ctx, 1, target, level, |
| xoffset, 0, 0, |
| width, 1, 1, |
| format, type, pixels); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexSubImage2D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLsizei width, GLsizei height, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| texsubimage(ctx, 2, target, level, |
| xoffset, yoffset, 0, |
| width, height, 1, |
| format, type, pixels); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_TexSubImage3D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| texsubimage(ctx, 3, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, pixels); |
| } |
| |
| |
| |
| /** |
| * For glCopyTexSubImage, return the source renderbuffer to copy texel data |
| * from. This depends on whether the texture contains color or depth values. |
| */ |
| static struct gl_renderbuffer * |
| get_copy_tex_image_source(struct gl_context *ctx, gl_format texFormat) |
| { |
| if (_mesa_get_format_bits(texFormat, GL_DEPTH_BITS) > 0) { |
| /* reading from depth/stencil buffer */ |
| return ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer; |
| } |
| else { |
| /* copying from color buffer */ |
| return ctx->ReadBuffer->_ColorReadBuffer; |
| } |
| } |
| |
| |
| |
| /** |
| * Implement the glCopyTexImage1/2D() functions. |
| */ |
| static void |
| copyteximage(struct gl_context *ctx, GLuint dims, |
| GLenum target, GLint level, GLenum internalFormat, |
| GLint x, GLint y, GLsizei width, GLsizei height, GLint border ) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| const GLuint face = _mesa_tex_target_to_face(target); |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n", |
| dims, |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), |
| x, y, width, height, border); |
| |
| if (ctx->NewState & NEW_COPY_TEX_STATE) |
| _mesa_update_state(ctx); |
| |
| if (copytexture_error_check(ctx, dims, target, level, internalFormat, |
| width, height, border)) |
| return; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| if (border && ctx->Const.StripTextureBorder) { |
| x += border; |
| width -= border * 2; |
| if (dims == 2) { |
| y += border; |
| height -= border * 2; |
| } |
| border = 0; |
| } |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims); |
| } |
| else { |
| /* choose actual hw format */ |
| gl_format texFormat = _mesa_choose_texture_format(ctx, texObj, |
| target, level, |
| internalFormat, |
| GL_NONE, GL_NONE); |
| |
| if (legal_texture_size(ctx, texFormat, width, height, 1)) { |
| GLint srcX = x, srcY = y, dstX = 0, dstY = 0, dstZ = 0; |
| |
| /* Free old texture image */ |
| ctx->Driver.FreeTextureImageBuffer(ctx, texImage); |
| |
| _mesa_init_teximage_fields(ctx, texImage, width, height, 1, |
| border, internalFormat, texFormat); |
| |
| /* Allocate texture memory (no pixel data yet) */ |
| ctx->Driver.TexImage(ctx, dims, texImage, |
| GL_NONE, GL_NONE, |
| NULL, &ctx->Unpack); |
| |
| if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY, |
| &width, &height)) { |
| struct gl_renderbuffer *srcRb = |
| get_copy_tex_image_source(ctx, texImage->TexFormat); |
| |
| ctx->Driver.CopyTexSubImage(ctx, dims, texImage, dstX, dstY, dstZ, |
| srcRb, srcX, srcY, width, height); |
| } |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| _mesa_update_fbo_texture(ctx, texObj, face, level); |
| |
| _mesa_dirty_texobj(ctx, texObj, GL_TRUE); |
| } |
| else { |
| /* probably too large of image */ |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims); |
| } |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexImage1D( GLenum target, GLint level, |
| GLenum internalFormat, |
| GLint x, GLint y, |
| GLsizei width, GLint border ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| copyteximage(ctx, 1, target, level, internalFormat, x, y, width, 1, border); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat, |
| GLint x, GLint y, GLsizei width, GLsizei height, |
| GLint border ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| copyteximage(ctx, 2, target, level, internalFormat, |
| x, y, width, height, border); |
| } |
| |
| |
| |
| /** |
| * Implementation for glCopyTexSubImage1/2/3D() functions. |
| */ |
| static void |
| copytexsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCopyTexSubImage%uD %s %d %d %d %d %d %d %d %d\n", |
| dims, |
| _mesa_lookup_enum_by_nr(target), |
| level, xoffset, yoffset, zoffset, x, y, width, height); |
| |
| if (ctx->NewState & NEW_COPY_TEX_STATE) |
| _mesa_update_state(ctx); |
| |
| if (copytexsubimage_error_check1(ctx, dims, target, level)) |
| return; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| if (copytexsubimage_error_check2(ctx, dims, target, level, xoffset, yoffset, |
| zoffset, width, height, texImage)) { |
| /* error was recored */ |
| } |
| else { |
| /* If we have a border, offset=-1 is legal. Bias by border width. */ |
| switch (dims) { |
| case 3: |
| if (target != GL_TEXTURE_2D_ARRAY) |
| zoffset += texImage->Border; |
| /* fall-through */ |
| case 2: |
| if (target != GL_TEXTURE_1D_ARRAY) |
| yoffset += texImage->Border; |
| /* fall-through */ |
| case 1: |
| xoffset += texImage->Border; |
| } |
| |
| if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y, |
| &width, &height)) { |
| struct gl_renderbuffer *srcRb = |
| get_copy_tex_image_source(ctx, texImage->TexFormat); |
| |
| ctx->Driver.CopyTexSubImage(ctx, dims, texImage, |
| xoffset, yoffset, zoffset, |
| srcRb, x, y, width, height); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexSubImage1D( GLenum target, GLint level, |
| GLint xoffset, GLint x, GLint y, GLsizei width ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| copytexsubimage(ctx, 1, target, level, xoffset, 0, 0, x, y, width, 1); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexSubImage2D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| copytexsubimage(ctx, 2, target, level, xoffset, yoffset, 0, x, y, |
| width, height); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexSubImage3D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| copytexsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, |
| x, y, width, height); |
| } |
| |
| |
| |
| |
| /**********************************************************************/ |
| /****** Compressed Textures ******/ |
| /**********************************************************************/ |
| |
| |
| /** |
| * Error checking for glCompressedTexSubImage[123]D(). |
| * \warning There are some bad assumptions here about the size of compressed |
| * texture tiles (multiple of 4) used to test the validity of the |
| * offset and size parameters. |
| * \return error code or GL_NO_ERROR. |
| */ |
| static GLenum |
| compressed_subtexture_error_check(struct gl_context *ctx, GLint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLsizei imageSize) |
| { |
| GLint expectedSize, maxLevels = 0, maxTextureSize; |
| GLuint bw, bh; |
| (void) zoffset; |
| |
| if (dimensions == 1) { |
| /* 1D compressed textures not allowed */ |
| return GL_INVALID_ENUM; |
| } |
| else if (dimensions == 2) { |
| if (target == GL_PROXY_TEXTURE_2D) { |
| maxLevels = ctx->Const.MaxTextureLevels; |
| } |
| else if (target == GL_TEXTURE_2D) { |
| maxLevels = ctx->Const.MaxTextureLevels; |
| } |
| else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) { |
| if (!ctx->Extensions.ARB_texture_cube_map) |
| return GL_INVALID_ENUM; /*target*/ |
| maxLevels = ctx->Const.MaxCubeTextureLevels; |
| } |
| else if (_mesa_is_cube_face(target)) { |
| if (!ctx->Extensions.ARB_texture_cube_map) |
| return GL_INVALID_ENUM; /*target*/ |
| maxLevels = ctx->Const.MaxCubeTextureLevels; |
| } |
| else { |
| return GL_INVALID_ENUM; /*target*/ |
| } |
| } |
| else if (dimensions == 3) { |
| /* 3D compressed textures not allowed */ |
| return GL_INVALID_ENUM; |
| } |
| |
| maxTextureSize = 1 << (maxLevels - 1); |
| |
| /* this will catch any invalid compressed format token */ |
| if (!_mesa_is_compressed_format(ctx, format)) |
| return GL_INVALID_ENUM; |
| |
| if (width < 0 || width > maxTextureSize) |
| return GL_INVALID_VALUE; |
| |
| if ((height < 0 || height > maxTextureSize) |
| && dimensions > 1) |
| return GL_INVALID_VALUE; |
| |
| if (level < 0 || level >= maxLevels) |
| return GL_INVALID_VALUE; |
| |
| /* |
| * do checks which depend on compression block size |
| */ |
| get_compressed_block_size(format, &bw, &bh); |
| |
| if ((xoffset % bw != 0) || (yoffset % bh != 0)) |
| return GL_INVALID_OPERATION; |
| |
| if ((width % bw != 0) && width != 2 && width != 1) |
| return GL_INVALID_OPERATION; |
| |
| if ((height % bh != 0) && height != 2 && height != 1) |
| return GL_INVALID_OPERATION; |
| |
| expectedSize = compressed_tex_size(width, height, depth, format); |
| if (expectedSize != imageSize) |
| return GL_INVALID_VALUE; |
| |
| return GL_NO_ERROR; |
| } |
| |
| |
| /** |
| * Do second part of glCompressedTexSubImage error checking. |
| * \return GL_TRUE if error found, GL_FALSE otherwise. |
| */ |
| static GLboolean |
| compressed_subtexture_error_check2(struct gl_context *ctx, GLuint dims, |
| GLsizei width, GLsizei height, |
| GLsizei depth, GLenum format, |
| struct gl_texture_image *texImage) |
| { |
| if (!texImage) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCompressedTexSubImage%uD(undefined image level)", dims); |
| return GL_TRUE; |
| } |
| |
| if ((GLint) format != texImage->InternalFormat) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCompressedTexSubImage%uD(format=0x%x)", dims, format); |
| return GL_TRUE; |
| } |
| |
| if (compressedteximage_only_format(ctx, format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCompressedTexSubImage%uD(format=0x%x cannot be updated)" |
| , dims, format); |
| return GL_TRUE; |
| } |
| |
| if (((width == 1 || width == 2) && |
| width != (GLsizei) texImage->Width) || |
| (width > (GLsizei) texImage->Width)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCompressedTexSubImage%uD(width=%d)", dims, width); |
| return GL_TRUE; |
| } |
| |
| if (dims >= 2) { |
| if (((height == 1 || height == 2) && |
| height != (GLsizei) texImage->Height) || |
| (height > (GLsizei) texImage->Height)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCompressedTexSubImage%uD(height=%d)", dims, height); |
| return GL_TRUE; |
| } |
| } |
| |
| if (dims >= 3) { |
| if (((depth == 1 || depth == 2) && |
| depth != (GLsizei) texImage->Depth) || |
| (depth > (GLsizei) texImage->Depth)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCompressedTexSubImage%uD(depth=%d)", dims, depth); |
| return GL_TRUE; |
| } |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexImage1DARB(GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLint border, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_TRUE, 1, target, level, internalFormat, |
| width, 1, 1, border, GL_NONE, GL_NONE, imageSize, data); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexImage2DARB(GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLsizei height, GLint border, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_TRUE, 2, target, level, internalFormat, |
| width, height, 1, border, GL_NONE, GL_NONE, imageSize, data); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexImage3DARB(GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLsizei height, GLsizei depth, GLint border, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_TRUE, 3, target, level, internalFormat, |
| width, height, depth, border, GL_NONE, GL_NONE, imageSize, data); |
| } |
| |
| |
| /** |
| * Common helper for glCompressedTexSubImage1/2/3D(). |
| */ |
| static void |
| compressed_tex_sub_image(GLuint dims, GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLsizei imageSize, const GLvoid *data) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GLenum error; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| error = compressed_subtexture_error_check(ctx, dims, target, level, |
| xoffset, 0, 0, /* pos */ |
| width, height, depth, /* size */ |
| format, imageSize); |
| if (error) { |
| _mesa_error(ctx, error, "glCompressedTexSubImage%uD", dims); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| if (compressed_subtexture_error_check2(ctx, dims, width, height, depth, |
| format, texImage)) { |
| /* error was recorded */ |
| } |
| else if (width > 0 && height > 0 && depth > 0) { |
| ctx->Driver.CompressedTexSubImage(ctx, dims, texImage, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, imageSize, data); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset, |
| GLsizei width, GLenum format, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| compressed_tex_sub_image(1, target, level, xoffset, 0, 0, width, 1, 1, |
| format, imageSize, data); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset, |
| GLint yoffset, GLsizei width, GLsizei height, |
| GLenum format, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| compressed_tex_sub_image(2, target, level, xoffset, yoffset, 0, |
| width, height, 1, format, imageSize, data); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset, |
| GLint yoffset, GLint zoffset, GLsizei width, |
| GLsizei height, GLsizei depth, GLenum format, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| compressed_tex_sub_image(3, target, level, xoffset, yoffset, zoffset, |
| width, height, depth, format, imageSize, data); |
| } |
| |
| static gl_format |
| get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat) |
| { |
| switch (internalFormat) { |
| case GL_ALPHA8: |
| return MESA_FORMAT_A8; |
| case GL_ALPHA16: |
| return MESA_FORMAT_A16; |
| case GL_ALPHA16F_ARB: |
| return MESA_FORMAT_ALPHA_FLOAT16; |
| case GL_ALPHA32F_ARB: |
| return MESA_FORMAT_ALPHA_FLOAT32; |
| case GL_ALPHA8I_EXT: |
| return MESA_FORMAT_ALPHA_INT8; |
| case GL_ALPHA16I_EXT: |
| return MESA_FORMAT_ALPHA_INT16; |
| case GL_ALPHA32I_EXT: |
| return MESA_FORMAT_ALPHA_INT32; |
| case GL_ALPHA8UI_EXT: |
| return MESA_FORMAT_ALPHA_UINT8; |
| case GL_ALPHA16UI_EXT: |
| return MESA_FORMAT_ALPHA_UINT16; |
| case GL_ALPHA32UI_EXT: |
| return MESA_FORMAT_ALPHA_UINT32; |
| case GL_LUMINANCE8: |
| return MESA_FORMAT_L8; |
| case GL_LUMINANCE16: |
| return MESA_FORMAT_L16; |
| case GL_LUMINANCE16F_ARB: |
| return MESA_FORMAT_LUMINANCE_FLOAT16; |
| case GL_LUMINANCE32F_ARB: |
| return MESA_FORMAT_LUMINANCE_FLOAT32; |
| case GL_LUMINANCE8I_EXT: |
| return MESA_FORMAT_LUMINANCE_INT8; |
| case GL_LUMINANCE16I_EXT: |
| return MESA_FORMAT_LUMINANCE_INT16; |
| case GL_LUMINANCE32I_EXT: |
| return MESA_FORMAT_LUMINANCE_INT32; |
| case GL_LUMINANCE8UI_EXT: |
| return MESA_FORMAT_LUMINANCE_UINT8; |
| case GL_LUMINANCE16UI_EXT: |
| return MESA_FORMAT_LUMINANCE_UINT16; |
| case GL_LUMINANCE32UI_EXT: |
| return MESA_FORMAT_LUMINANCE_UINT32; |
| case GL_LUMINANCE8_ALPHA8: |
| return MESA_FORMAT_AL88; |
| case GL_LUMINANCE16_ALPHA16: |
| return MESA_FORMAT_AL1616; |
| case GL_LUMINANCE_ALPHA16F_ARB: |
| return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16; |
| case GL_LUMINANCE_ALPHA32F_ARB: |
| return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32; |
| case GL_LUMINANCE_ALPHA8I_EXT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_INT8; |
| case GL_LUMINANCE_ALPHA16I_EXT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_INT8; |
| case GL_LUMINANCE_ALPHA32I_EXT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_INT16; |
| case GL_LUMINANCE_ALPHA8UI_EXT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_UINT8; |
| case GL_LUMINANCE_ALPHA16UI_EXT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_UINT16; |
| case GL_LUMINANCE_ALPHA32UI_EXT: |
| return MESA_FORMAT_LUMINANCE_ALPHA_UINT32; |
| case GL_INTENSITY8: |
| return MESA_FORMAT_I8; |
| case GL_INTENSITY16: |
| return MESA_FORMAT_I16; |
| case GL_INTENSITY16F_ARB: |
| return MESA_FORMAT_INTENSITY_FLOAT16; |
| case GL_INTENSITY32F_ARB: |
| return MESA_FORMAT_INTENSITY_FLOAT32; |
| case GL_INTENSITY8I_EXT: |
| return MESA_FORMAT_INTENSITY_INT8; |
| case GL_INTENSITY16I_EXT: |
| return MESA_FORMAT_INTENSITY_INT16; |
| case GL_INTENSITY32I_EXT: |
| return MESA_FORMAT_INTENSITY_INT32; |
| case GL_INTENSITY8UI_EXT: |
| return MESA_FORMAT_INTENSITY_UINT8; |
| case GL_INTENSITY16UI_EXT: |
| return MESA_FORMAT_INTENSITY_UINT16; |
| case GL_INTENSITY32UI_EXT: |
| return MESA_FORMAT_INTENSITY_UINT32; |
| case GL_RGBA8: |
| return MESA_FORMAT_RGBA8888_REV; |
| case GL_RGBA16: |
| return MESA_FORMAT_RGBA_16; |
| case GL_RGBA16F_ARB: |
| return MESA_FORMAT_RGBA_FLOAT16; |
| case GL_RGBA32F_ARB: |
| return MESA_FORMAT_RGBA_FLOAT32; |
| case GL_RGBA8I_EXT: |
| return MESA_FORMAT_RGBA_INT8; |
| case GL_RGBA16I_EXT: |
| return MESA_FORMAT_RGBA_INT16; |
| case GL_RGBA32I_EXT: |
| return MESA_FORMAT_RGBA_INT32; |
| case GL_RGBA8UI_EXT: |
| return MESA_FORMAT_RGBA_UINT8; |
| case GL_RGBA16UI_EXT: |
| return MESA_FORMAT_RGBA_UINT16; |
| case GL_RGBA32UI_EXT: |
| return MESA_FORMAT_RGBA_UINT32; |
| |
| case GL_RG8: |
| return MESA_FORMAT_GR88; |
| case GL_RG16: |
| return MESA_FORMAT_RG1616; |
| case GL_RG16F: |
| return MESA_FORMAT_RG_FLOAT16; |
| case GL_RG32F: |
| return MESA_FORMAT_RG_FLOAT32; |
| case GL_RG8I: |
| return MESA_FORMAT_RG_INT8; |
| case GL_RG16I: |
| return MESA_FORMAT_RG_INT16; |
| case GL_RG32I: |
| return MESA_FORMAT_RG_INT32; |
| case GL_RG8UI: |
| return MESA_FORMAT_RG_UINT8; |
| case GL_RG16UI: |
| return MESA_FORMAT_RG_UINT16; |
| case GL_RG32UI: |
| return MESA_FORMAT_RG_UINT32; |
| |
| case GL_R8: |
| return MESA_FORMAT_R8; |
| case GL_R16: |
| return MESA_FORMAT_R16; |
| case GL_R16F: |
| return MESA_FORMAT_R_FLOAT16; |
| case GL_R32F: |
| return MESA_FORMAT_R_FLOAT32; |
| case GL_R8I: |
| return MESA_FORMAT_R_INT8; |
| case GL_R16I: |
| return MESA_FORMAT_R_INT16; |
| case GL_R32I: |
| return MESA_FORMAT_R_INT32; |
| case GL_R8UI: |
| return MESA_FORMAT_R_UINT8; |
| case GL_R16UI: |
| return MESA_FORMAT_R_UINT16; |
| case GL_R32UI: |
| return MESA_FORMAT_R_UINT32; |
| |
| default: |
| return MESA_FORMAT_NONE; |
| } |
| } |
| |
| static gl_format |
| validate_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat) |
| { |
| gl_format format = get_texbuffer_format(ctx, internalFormat); |
| GLenum datatype; |
| |
| if (format == MESA_FORMAT_NONE) |
| return MESA_FORMAT_NONE; |
| |
| datatype = _mesa_get_format_datatype(format); |
| if (datatype == GL_FLOAT && !ctx->Extensions.ARB_texture_float) |
| return MESA_FORMAT_NONE; |
| |
| if (datatype == GL_HALF_FLOAT && !ctx->Extensions.ARB_half_float_pixel) |
| return MESA_FORMAT_NONE; |
| |
| /* The GL_ARB_texture_rg and GL_ARB_texture_buffer_object specs don't make |
| * any mention of R/RG formats, but they appear in the GL 3.1 core |
| * specification. |
| */ |
| if (ctx->Version <= 30) { |
| GLenum base_format = _mesa_get_format_base_format(format); |
| |
| if (base_format == GL_R || base_format == GL_RG) |
| return MESA_FORMAT_NONE; |
| } |
| return format; |
| } |
| |
| |
| /** GL_ARB_texture_buffer_object */ |
| void GLAPIENTRY |
| _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_buffer_object *bufObj; |
| gl_format format; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (!(ctx->Extensions.ARB_texture_buffer_object |
| && _mesa_is_desktop_gl(ctx))) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTexBuffer"); |
| return; |
| } |
| |
| if (target != GL_TEXTURE_BUFFER_ARB) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexBuffer(target)"); |
| return; |
| } |
| |
| format = validate_texbuffer_format(ctx, internalFormat); |
| if (format == MESA_FORMAT_NONE) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexBuffer(internalFormat 0x%x)", |
| internalFormat); |
| return; |
| } |
| |
| bufObj = _mesa_lookup_bufferobj(ctx, buffer); |
| if (buffer && !bufObj) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTexBuffer(buffer %u)", buffer); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| _mesa_reference_buffer_object(ctx, &texObj->BufferObject, bufObj); |
| texObj->BufferObjectFormat = internalFormat; |
| texObj->_BufferObjectFormat = format; |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |