| /* |
| * 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 |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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 texparam.c |
| * |
| * glTexParameter-related functions |
| */ |
| |
| #include <stdbool.h> |
| #include "main/glheader.h" |
| #include "main/blend.h" |
| #include "main/context.h" |
| #include "main/enums.h" |
| #include "main/formats.h" |
| #include "main/glformats.h" |
| #include "main/macros.h" |
| #include "main/mtypes.h" |
| #include "main/state.h" |
| #include "main/texcompress.h" |
| #include "main/texobj.h" |
| #include "main/texparam.h" |
| #include "main/teximage.h" |
| #include "main/texstate.h" |
| #include "program/prog_instruction.h" |
| |
| |
| /** |
| * Check if a coordinate wrap mode is supported for the texture target. |
| * \return GL_TRUE if legal, GL_FALSE otherwise |
| */ |
| static GLboolean |
| validate_texture_wrap_mode(struct gl_context * ctx, GLenum target, GLenum wrap) |
| { |
| const struct gl_extensions * const e = & ctx->Extensions; |
| const bool is_desktop_gl = _mesa_is_desktop_gl(ctx); |
| bool supported; |
| |
| switch (wrap) { |
| case GL_CLAMP: |
| /* GL_CLAMP was removed in the core profile, and it has never existed in |
| * OpenGL ES. |
| */ |
| supported = (ctx->API == API_OPENGL_COMPAT) |
| && (target != GL_TEXTURE_EXTERNAL_OES); |
| break; |
| |
| case GL_CLAMP_TO_EDGE: |
| supported = true; |
| break; |
| |
| case GL_CLAMP_TO_BORDER: |
| supported = ctx->API != API_OPENGLES && e->ARB_texture_border_clamp |
| && (target != GL_TEXTURE_EXTERNAL_OES); |
| break; |
| |
| case GL_REPEAT: |
| case GL_MIRRORED_REPEAT: |
| supported = (target != GL_TEXTURE_RECTANGLE_NV) |
| && (target != GL_TEXTURE_EXTERNAL_OES); |
| break; |
| |
| case GL_MIRROR_CLAMP_EXT: |
| supported = is_desktop_gl |
| && (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp) |
| && (target != GL_TEXTURE_RECTANGLE_NV) |
| && (target != GL_TEXTURE_EXTERNAL_OES); |
| break; |
| |
| case GL_MIRROR_CLAMP_TO_EDGE_EXT: |
| supported = is_desktop_gl |
| && (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp || e->ARB_texture_mirror_clamp_to_edge) |
| && (target != GL_TEXTURE_RECTANGLE_NV) |
| && (target != GL_TEXTURE_EXTERNAL_OES); |
| break; |
| |
| case GL_MIRROR_CLAMP_TO_BORDER_EXT: |
| supported = is_desktop_gl && e->EXT_texture_mirror_clamp |
| && (target != GL_TEXTURE_RECTANGLE_NV) |
| && (target != GL_TEXTURE_EXTERNAL_OES); |
| break; |
| |
| default: |
| supported = false; |
| break; |
| } |
| |
| if (!supported) |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap ); |
| |
| return supported; |
| } |
| |
| |
| /** |
| * Get current texture object for given target. |
| * Return NULL if any error (and record the error). |
| * Note that this is different from _mesa_get_current_tex_object() in that |
| * proxy targets are not accepted. |
| * Only the glGetTexLevelParameter() functions accept proxy targets. |
| */ |
| static struct gl_texture_object * |
| get_texobj_by_target(struct gl_context *ctx, GLenum target, GLboolean get) |
| { |
| struct gl_texture_unit *texUnit; |
| int targetIndex; |
| |
| if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "gl%sTexParameter(current unit)", get ? "Get" : ""); |
| return NULL; |
| } |
| |
| texUnit = _mesa_get_current_tex_unit(ctx); |
| |
| targetIndex = _mesa_tex_target_to_index(ctx, target); |
| if (targetIndex < 0 || targetIndex == TEXTURE_BUFFER_INDEX) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "gl%sTexParameter(target)", get ? "Get" : ""); |
| return NULL; |
| } |
| assert(targetIndex < NUM_TEXTURE_TARGETS); |
| |
| return texUnit->CurrentTex[targetIndex]; |
| } |
| |
| /** |
| * Get current texture object for given name. |
| * Return NULL if any error (and record the error). |
| * Note that proxy targets are not accepted. |
| * Only the glGetTexLevelParameter() functions accept proxy targets. |
| */ |
| static struct gl_texture_object * |
| get_texobj_by_name(struct gl_context *ctx, GLuint texture, GLboolean get) |
| { |
| struct gl_texture_object *texObj; |
| |
| texObj = _mesa_lookup_texture(ctx, texture); |
| if (!texObj) { |
| /* |
| * User passed a non-generated name. |
| * Throw the error in the caller. |
| */ |
| return NULL; |
| } |
| |
| switch (texObj->Target) { |
| case GL_TEXTURE_1D: |
| case GL_TEXTURE_1D_ARRAY: |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| case GL_TEXTURE_3D: |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_TEXTURE_RECTANGLE: |
| return texObj; |
| default: |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "gl%sTextureParameter(target)", get ? "Get" : ""); |
| return NULL; |
| } |
| |
| } |
| |
| |
| /** |
| * Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE. |
| * \return -1 if error. |
| */ |
| static GLint |
| comp_to_swizzle(GLenum comp) |
| { |
| switch (comp) { |
| case GL_RED: |
| return SWIZZLE_X; |
| case GL_GREEN: |
| return SWIZZLE_Y; |
| case GL_BLUE: |
| return SWIZZLE_Z; |
| case GL_ALPHA: |
| return SWIZZLE_W; |
| case GL_ZERO: |
| return SWIZZLE_ZERO; |
| case GL_ONE: |
| return SWIZZLE_ONE; |
| default: |
| return -1; |
| } |
| } |
| |
| |
| static void |
| set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz) |
| { |
| assert(comp < 4); |
| assert(swz <= SWIZZLE_NIL); |
| { |
| GLuint mask = 0x7 << (3 * comp); |
| GLuint s = (*swizzle & ~mask) | (swz << (3 * comp)); |
| *swizzle = s; |
| } |
| } |
| |
| |
| /** |
| * This is called just prior to changing any texture object state which |
| * will not affect texture completeness. |
| */ |
| static inline void |
| flush(struct gl_context *ctx) |
| { |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| } |
| |
| |
| /** |
| * This is called just prior to changing any texture object state which |
| * could affect texture completeness (texture base level, max level). |
| * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE |
| * state flag and then mark the texture object as 'incomplete' so that any |
| * per-texture derived state gets recomputed. |
| */ |
| static inline void |
| incomplete(struct gl_context *ctx, struct gl_texture_object *texObj) |
| { |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| _mesa_dirty_texobj(ctx, texObj); |
| } |
| |
| |
| GLboolean |
| _mesa_target_allows_setting_sampler_parameters(GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return GL_FALSE; |
| |
| default: |
| return GL_TRUE; |
| } |
| } |
| |
| |
| /** |
| * Set an integer-valued texture parameter |
| * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise |
| */ |
| static GLboolean |
| set_tex_parameteri(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum pname, const GLint *params, bool dsa) |
| { |
| const char *suffix = dsa ? "ture" : ""; |
| |
| switch (pname) { |
| case GL_TEXTURE_MIN_FILTER: |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.MinFilter == params[0]) |
| return GL_FALSE; |
| switch (params[0]) { |
| case GL_NEAREST: |
| case GL_LINEAR: |
| flush(ctx); |
| texObj->Sampler.MinFilter = params[0]; |
| return GL_TRUE; |
| case GL_NEAREST_MIPMAP_NEAREST: |
| case GL_LINEAR_MIPMAP_NEAREST: |
| case GL_NEAREST_MIPMAP_LINEAR: |
| case GL_LINEAR_MIPMAP_LINEAR: |
| if (texObj->Target != GL_TEXTURE_RECTANGLE_NV && |
| texObj->Target != GL_TEXTURE_EXTERNAL_OES) { |
| flush(ctx); |
| texObj->Sampler.MinFilter = params[0]; |
| return GL_TRUE; |
| } |
| /* fall-through */ |
| default: |
| goto invalid_param; |
| } |
| return GL_FALSE; |
| |
| case GL_TEXTURE_MAG_FILTER: |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.MagFilter == params[0]) |
| return GL_FALSE; |
| switch (params[0]) { |
| case GL_NEAREST: |
| case GL_LINEAR: |
| flush(ctx); /* does not effect completeness */ |
| texObj->Sampler.MagFilter = params[0]; |
| return GL_TRUE; |
| default: |
| goto invalid_param; |
| } |
| return GL_FALSE; |
| |
| case GL_TEXTURE_WRAP_S: |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.WrapS == params[0]) |
| return GL_FALSE; |
| if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) { |
| flush(ctx); |
| texObj->Sampler.WrapS = params[0]; |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| |
| case GL_TEXTURE_WRAP_T: |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.WrapT == params[0]) |
| return GL_FALSE; |
| if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) { |
| flush(ctx); |
| texObj->Sampler.WrapT = params[0]; |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| |
| case GL_TEXTURE_WRAP_R: |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.WrapR == params[0]) |
| return GL_FALSE; |
| if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) { |
| flush(ctx); |
| texObj->Sampler.WrapR = params[0]; |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| |
| case GL_TEXTURE_BASE_LEVEL: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| |
| if (texObj->BaseLevel == params[0]) |
| return GL_FALSE; |
| |
| if ((texObj->Target == GL_TEXTURE_2D_MULTISAMPLE || |
| texObj->Target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY) && params[0] != 0) |
| goto invalid_operation; |
| |
| if (params[0] < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTex%sParameter(param=%d)", suffix, params[0]); |
| return GL_FALSE; |
| } |
| if (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTex%sParameter(target=%s, param=%d)", suffix, |
| _mesa_enum_to_string(texObj->Target), params[0]); |
| return GL_FALSE; |
| } |
| incomplete(ctx, texObj); |
| |
| /** See note about ARB_texture_storage below */ |
| if (texObj->Immutable) |
| texObj->BaseLevel = MIN2(texObj->ImmutableLevels - 1, params[0]); |
| else |
| texObj->BaseLevel = params[0]; |
| |
| return GL_TRUE; |
| |
| case GL_TEXTURE_MAX_LEVEL: |
| if (texObj->MaxLevel == params[0]) |
| return GL_FALSE; |
| |
| if (params[0] < 0 || |
| (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] > 0)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTex%sParameter(param=%d)", suffix, |
| params[0]); |
| return GL_FALSE; |
| } |
| incomplete(ctx, texObj); |
| |
| /** From ARB_texture_storage: |
| * However, if TEXTURE_IMMUTABLE_FORMAT is TRUE, then level_base is |
| * clamped to the range [0, <levels> - 1] and level_max is then clamped to |
| * the range [level_base, <levels> - 1], where <levels> is the parameter |
| * passed the call to TexStorage* for the texture object. |
| */ |
| if (texObj->Immutable) |
| texObj->MaxLevel = CLAMP(params[0], texObj->BaseLevel, |
| texObj->ImmutableLevels - 1); |
| else |
| texObj->MaxLevel = params[0]; |
| |
| return GL_TRUE; |
| |
| case GL_GENERATE_MIPMAP_SGIS: |
| if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES) |
| goto invalid_pname; |
| |
| if (params[0] && texObj->Target == GL_TEXTURE_EXTERNAL_OES) |
| goto invalid_param; |
| if (texObj->GenerateMipmap != params[0]) { |
| /* no flush() */ |
| texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE; |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| |
| case GL_TEXTURE_COMPARE_MODE_ARB: |
| if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow) |
| || _mesa_is_gles3(ctx)) { |
| |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.CompareMode == params[0]) |
| return GL_FALSE; |
| if (params[0] == GL_NONE || |
| params[0] == GL_COMPARE_R_TO_TEXTURE_ARB) { |
| flush(ctx); |
| texObj->Sampler.CompareMode = params[0]; |
| return GL_TRUE; |
| } |
| goto invalid_param; |
| } |
| goto invalid_pname; |
| |
| case GL_TEXTURE_COMPARE_FUNC_ARB: |
| if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow) |
| || _mesa_is_gles3(ctx)) { |
| |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.CompareFunc == params[0]) |
| return GL_FALSE; |
| switch (params[0]) { |
| case GL_LEQUAL: |
| case GL_GEQUAL: |
| case GL_EQUAL: |
| case GL_NOTEQUAL: |
| case GL_LESS: |
| case GL_GREATER: |
| case GL_ALWAYS: |
| case GL_NEVER: |
| flush(ctx); |
| texObj->Sampler.CompareFunc = params[0]; |
| return GL_TRUE; |
| default: |
| goto invalid_param; |
| } |
| } |
| goto invalid_pname; |
| |
| case GL_DEPTH_TEXTURE_MODE_ARB: |
| /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has never |
| * existed in OpenGL ES. |
| */ |
| if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_depth_texture) { |
| if (texObj->DepthMode == params[0]) |
| return GL_FALSE; |
| if (params[0] == GL_LUMINANCE || |
| params[0] == GL_INTENSITY || |
| params[0] == GL_ALPHA || |
| (ctx->Extensions.ARB_texture_rg && params[0] == GL_RED)) { |
| flush(ctx); |
| texObj->DepthMode = params[0]; |
| return GL_TRUE; |
| } |
| goto invalid_param; |
| } |
| goto invalid_pname; |
| |
| case GL_DEPTH_STENCIL_TEXTURE_MODE: |
| if (_mesa_has_ARB_stencil_texturing(ctx) || _mesa_is_gles31(ctx)) { |
| bool stencil = params[0] == GL_STENCIL_INDEX; |
| if (!stencil && params[0] != GL_DEPTH_COMPONENT) |
| goto invalid_param; |
| |
| if (texObj->StencilSampling == stencil) |
| return GL_FALSE; |
| |
| texObj->StencilSampling = stencil; |
| return GL_TRUE; |
| } |
| goto invalid_pname; |
| |
| case GL_TEXTURE_CROP_RECT_OES: |
| if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture) |
| goto invalid_pname; |
| |
| texObj->CropRect[0] = params[0]; |
| texObj->CropRect[1] = params[1]; |
| texObj->CropRect[2] = params[2]; |
| texObj->CropRect[3] = params[3]; |
| return GL_TRUE; |
| |
| case GL_TEXTURE_SWIZZLE_R_EXT: |
| case GL_TEXTURE_SWIZZLE_G_EXT: |
| case GL_TEXTURE_SWIZZLE_B_EXT: |
| case GL_TEXTURE_SWIZZLE_A_EXT: |
| if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle) |
| || _mesa_is_gles3(ctx)) { |
| const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT; |
| const GLint swz = comp_to_swizzle(params[0]); |
| if (swz < 0) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTex%sParameter(swizzle 0x%x)", suffix, params[0]); |
| return GL_FALSE; |
| } |
| assert(comp < 4); |
| |
| flush(ctx); |
| texObj->Swizzle[comp] = params[0]; |
| set_swizzle_component(&texObj->_Swizzle, comp, swz); |
| return GL_TRUE; |
| } |
| goto invalid_pname; |
| |
| case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle) |
| || _mesa_is_gles3(ctx)) { |
| GLuint comp; |
| flush(ctx); |
| for (comp = 0; comp < 4; comp++) { |
| const GLint swz = comp_to_swizzle(params[comp]); |
| if (swz >= 0) { |
| texObj->Swizzle[comp] = params[comp]; |
| set_swizzle_component(&texObj->_Swizzle, comp, swz); |
| } |
| else { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTex%sParameter(swizzle 0x%x)", |
| suffix, params[comp]); |
| return GL_FALSE; |
| } |
| } |
| return GL_TRUE; |
| } |
| goto invalid_pname; |
| |
| case GL_TEXTURE_SRGB_DECODE_EXT: |
| if (ctx->Extensions.EXT_texture_sRGB_decode) { |
| GLenum decode = params[0]; |
| |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (decode == GL_DECODE_EXT || decode == GL_SKIP_DECODE_EXT) { |
| if (texObj->Sampler.sRGBDecode != decode) { |
| flush(ctx); |
| texObj->Sampler.sRGBDecode = decode; |
| } |
| return GL_TRUE; |
| } |
| } |
| goto invalid_pname; |
| |
| case GL_TEXTURE_CUBE_MAP_SEAMLESS: |
| if (_mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.AMD_seamless_cubemap_per_texture) { |
| GLenum param = params[0]; |
| |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (param != GL_TRUE && param != GL_FALSE) { |
| goto invalid_param; |
| } |
| if (param != texObj->Sampler.CubeMapSeamless) { |
| flush(ctx); |
| texObj->Sampler.CubeMapSeamless = param; |
| } |
| return GL_TRUE; |
| } |
| goto invalid_pname; |
| |
| default: |
| goto invalid_pname; |
| } |
| |
| invalid_pname: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)", |
| suffix, _mesa_enum_to_string(pname)); |
| return GL_FALSE; |
| |
| invalid_param: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(param=%s)", |
| suffix, _mesa_enum_to_string(params[0])); |
| return GL_FALSE; |
| |
| invalid_operation: |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sParameter(pname=%s)", |
| suffix, _mesa_enum_to_string(pname)); |
| return GL_FALSE; |
| |
| invalid_enum: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)", |
| suffix, _mesa_enum_to_string(pname)); |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Set a float-valued texture parameter |
| * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise |
| */ |
| static GLboolean |
| set_tex_parameterf(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum pname, const GLfloat *params, bool dsa) |
| { |
| const char *suffix = dsa ? "ture" : ""; |
| |
| switch (pname) { |
| case GL_TEXTURE_MIN_LOD: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.MinLod == params[0]) |
| return GL_FALSE; |
| flush(ctx); |
| texObj->Sampler.MinLod = params[0]; |
| return GL_TRUE; |
| |
| case GL_TEXTURE_MAX_LOD: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.MaxLod == params[0]) |
| return GL_FALSE; |
| flush(ctx); |
| texObj->Sampler.MaxLod = params[0]; |
| return GL_TRUE; |
| |
| case GL_TEXTURE_PRIORITY: |
| if (ctx->API != API_OPENGL_COMPAT) |
| goto invalid_pname; |
| |
| flush(ctx); |
| texObj->Priority = CLAMP(params[0], 0.0F, 1.0F); |
| return GL_TRUE; |
| |
| case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| if (ctx->Extensions.EXT_texture_filter_anisotropic) { |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.MaxAnisotropy == params[0]) |
| return GL_FALSE; |
| if (params[0] < 1.0F) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sParameter(param)", |
| suffix); |
| return GL_FALSE; |
| } |
| flush(ctx); |
| /* clamp to max, that's what NVIDIA does */ |
| texObj->Sampler.MaxAnisotropy = MIN2(params[0], |
| ctx->Const.MaxTextureMaxAnisotropy); |
| return GL_TRUE; |
| } |
| else { |
| static GLuint count = 0; |
| if (count++ < 10) |
| goto invalid_pname; |
| } |
| return GL_FALSE; |
| |
| case GL_TEXTURE_LOD_BIAS: |
| /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias. */ |
| if (_mesa_is_gles(ctx)) |
| goto invalid_pname; |
| |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| if (texObj->Sampler.LodBias != params[0]) { |
| flush(ctx); |
| texObj->Sampler.LodBias = params[0]; |
| return GL_TRUE; |
| } |
| break; |
| |
| case GL_TEXTURE_BORDER_COLOR: |
| if (ctx->API == API_OPENGLES || |
| !ctx->Extensions.ARB_texture_border_clamp) |
| goto invalid_pname; |
| |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) |
| goto invalid_enum; |
| |
| flush(ctx); |
| /* ARB_texture_float disables clamping */ |
| if (ctx->Extensions.ARB_texture_float) { |
| texObj->Sampler.BorderColor.f[RCOMP] = params[0]; |
| texObj->Sampler.BorderColor.f[GCOMP] = params[1]; |
| texObj->Sampler.BorderColor.f[BCOMP] = params[2]; |
| texObj->Sampler.BorderColor.f[ACOMP] = params[3]; |
| } else { |
| texObj->Sampler.BorderColor.f[RCOMP] = CLAMP(params[0], 0.0F, 1.0F); |
| texObj->Sampler.BorderColor.f[GCOMP] = CLAMP(params[1], 0.0F, 1.0F); |
| texObj->Sampler.BorderColor.f[BCOMP] = CLAMP(params[2], 0.0F, 1.0F); |
| texObj->Sampler.BorderColor.f[ACOMP] = CLAMP(params[3], 0.0F, 1.0F); |
| } |
| return GL_TRUE; |
| |
| default: |
| goto invalid_pname; |
| } |
| return GL_FALSE; |
| |
| invalid_pname: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)", |
| suffix, _mesa_enum_to_string(pname)); |
| return GL_FALSE; |
| |
| invalid_enum: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)", |
| suffix, _mesa_enum_to_string(pname)); |
| return GL_FALSE; |
| } |
| |
| |
| void |
| _mesa_texture_parameterf(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum pname, GLfloat param, bool dsa) |
| { |
| GLboolean need_update; |
| |
| switch (pname) { |
| case GL_TEXTURE_MIN_FILTER: |
| case GL_TEXTURE_MAG_FILTER: |
| case GL_TEXTURE_WRAP_S: |
| case GL_TEXTURE_WRAP_T: |
| case GL_TEXTURE_WRAP_R: |
| case GL_TEXTURE_BASE_LEVEL: |
| case GL_TEXTURE_MAX_LEVEL: |
| case GL_GENERATE_MIPMAP_SGIS: |
| case GL_TEXTURE_COMPARE_MODE_ARB: |
| case GL_TEXTURE_COMPARE_FUNC_ARB: |
| case GL_DEPTH_TEXTURE_MODE_ARB: |
| case GL_DEPTH_STENCIL_TEXTURE_MODE: |
| case GL_TEXTURE_SRGB_DECODE_EXT: |
| case GL_TEXTURE_CUBE_MAP_SEAMLESS: |
| case GL_TEXTURE_SWIZZLE_R_EXT: |
| case GL_TEXTURE_SWIZZLE_G_EXT: |
| case GL_TEXTURE_SWIZZLE_B_EXT: |
| case GL_TEXTURE_SWIZZLE_A_EXT: |
| { |
| GLint p[4]; |
| p[0] = (param > 0) ? |
| ((param > INT_MAX) ? INT_MAX : (GLint) (param + 0.5)) : |
| ((param < INT_MIN) ? INT_MIN : (GLint) (param - 0.5)); |
| |
| p[1] = p[2] = p[3] = 0; |
| need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa); |
| } |
| break; |
| case GL_TEXTURE_BORDER_COLOR: |
| case GL_TEXTURE_SWIZZLE_RGBA: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameterf(non-scalar pname)", |
| dsa ? "ture" : ""); |
| return; |
| default: |
| { |
| /* this will generate an error if pname is illegal */ |
| GLfloat p[4]; |
| p[0] = param; |
| p[1] = p[2] = p[3] = 0.0F; |
| need_update = set_tex_parameterf(ctx, texObj, pname, p, dsa); |
| } |
| } |
| |
| if (ctx->Driver.TexParameter && need_update) { |
| ctx->Driver.TexParameter(ctx, texObj, pname); |
| } |
| } |
| |
| |
| void |
| _mesa_texture_parameterfv(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum pname, const GLfloat *params, bool dsa) |
| { |
| GLboolean need_update; |
| switch (pname) { |
| case GL_TEXTURE_MIN_FILTER: |
| case GL_TEXTURE_MAG_FILTER: |
| case GL_TEXTURE_WRAP_S: |
| case GL_TEXTURE_WRAP_T: |
| case GL_TEXTURE_WRAP_R: |
| case GL_TEXTURE_BASE_LEVEL: |
| case GL_TEXTURE_MAX_LEVEL: |
| case GL_GENERATE_MIPMAP_SGIS: |
| case GL_TEXTURE_COMPARE_MODE_ARB: |
| case GL_TEXTURE_COMPARE_FUNC_ARB: |
| case GL_DEPTH_TEXTURE_MODE_ARB: |
| case GL_DEPTH_STENCIL_TEXTURE_MODE: |
| case GL_TEXTURE_SRGB_DECODE_EXT: |
| case GL_TEXTURE_CUBE_MAP_SEAMLESS: |
| { |
| /* convert float param to int */ |
| GLint p[4]; |
| p[0] = (GLint) params[0]; |
| p[1] = p[2] = p[3] = 0; |
| need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa); |
| } |
| break; |
| case GL_TEXTURE_CROP_RECT_OES: |
| { |
| /* convert float params to int */ |
| GLint iparams[4]; |
| iparams[0] = (GLint) params[0]; |
| iparams[1] = (GLint) params[1]; |
| iparams[2] = (GLint) params[2]; |
| iparams[3] = (GLint) params[3]; |
| need_update = set_tex_parameteri(ctx, texObj, pname, iparams, dsa); |
| } |
| break; |
| case GL_TEXTURE_SWIZZLE_R_EXT: |
| case GL_TEXTURE_SWIZZLE_G_EXT: |
| case GL_TEXTURE_SWIZZLE_B_EXT: |
| case GL_TEXTURE_SWIZZLE_A_EXT: |
| case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| { |
| GLint p[4] = {0, 0, 0, 0}; |
| p[0] = (GLint) params[0]; |
| if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT) { |
| p[1] = (GLint) params[1]; |
| p[2] = (GLint) params[2]; |
| p[3] = (GLint) params[3]; |
| } |
| need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa); |
| } |
| break; |
| default: |
| /* this will generate an error if pname is illegal */ |
| need_update = set_tex_parameterf(ctx, texObj, pname, params, dsa); |
| } |
| |
| if (ctx->Driver.TexParameter && need_update) { |
| ctx->Driver.TexParameter(ctx, texObj, pname); |
| } |
| } |
| |
| |
| void |
| _mesa_texture_parameteri(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum pname, GLint param, bool dsa) |
| { |
| GLboolean need_update; |
| switch (pname) { |
| case GL_TEXTURE_MIN_LOD: |
| case GL_TEXTURE_MAX_LOD: |
| case GL_TEXTURE_PRIORITY: |
| case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| case GL_TEXTURE_LOD_BIAS: |
| case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
| { |
| GLfloat fparam[4]; |
| fparam[0] = (GLfloat) param; |
| fparam[1] = fparam[2] = fparam[3] = 0.0F; |
| /* convert int param to float */ |
| need_update = set_tex_parameterf(ctx, texObj, pname, fparam, dsa); |
| } |
| break; |
| case GL_TEXTURE_BORDER_COLOR: |
| case GL_TEXTURE_SWIZZLE_RGBA: |
| { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTex%sParameteri(non-scalar pname)", |
| dsa ? "ture" : ""); |
| return; |
| } |
| default: |
| /* this will generate an error if pname is illegal */ |
| { |
| GLint iparam[4]; |
| iparam[0] = param; |
| iparam[1] = iparam[2] = iparam[3] = 0; |
| need_update = set_tex_parameteri(ctx, texObj, pname, iparam, dsa); |
| } |
| } |
| |
| if (ctx->Driver.TexParameter && need_update) { |
| ctx->Driver.TexParameter(ctx, texObj, pname); |
| } |
| } |
| |
| |
| void |
| _mesa_texture_parameteriv(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum pname, const GLint *params, bool dsa) |
| { |
| GLboolean need_update; |
| |
| switch (pname) { |
| case GL_TEXTURE_BORDER_COLOR: |
| { |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameteriv(texture)"); |
| return; |
| } |
| /* convert int params to float */ |
| GLfloat fparams[4]; |
| fparams[0] = INT_TO_FLOAT(params[0]); |
| fparams[1] = INT_TO_FLOAT(params[1]); |
| fparams[2] = INT_TO_FLOAT(params[2]); |
| fparams[3] = INT_TO_FLOAT(params[3]); |
| need_update = set_tex_parameterf(ctx, texObj, pname, fparams, dsa); |
| } |
| break; |
| case GL_TEXTURE_MIN_LOD: |
| case GL_TEXTURE_MAX_LOD: |
| case GL_TEXTURE_PRIORITY: |
| case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| case GL_TEXTURE_LOD_BIAS: |
| case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
| { |
| /* convert int param to float */ |
| GLfloat fparams[4]; |
| fparams[0] = (GLfloat) params[0]; |
| fparams[1] = fparams[2] = fparams[3] = 0.0F; |
| need_update = set_tex_parameterf(ctx, texObj, pname, fparams, dsa); |
| } |
| break; |
| default: |
| /* this will generate an error if pname is illegal */ |
| need_update = set_tex_parameteri(ctx, texObj, pname, params, dsa); |
| } |
| |
| if (ctx->Driver.TexParameter && need_update) { |
| ctx->Driver.TexParameter(ctx, texObj, pname); |
| } |
| } |
| |
| void |
| _mesa_texture_parameterIiv(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum pname, const GLint *params, bool dsa) |
| { |
| switch (pname) { |
| case GL_TEXTURE_BORDER_COLOR: |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameterIiv(texture)"); |
| return; |
| } |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| /* set the integer-valued border color */ |
| COPY_4V(texObj->Sampler.BorderColor.i, params); |
| break; |
| default: |
| _mesa_texture_parameteriv(ctx, texObj, pname, params, dsa); |
| break; |
| } |
| /* XXX no driver hook for TexParameterIiv() yet */ |
| } |
| |
| void |
| _mesa_texture_parameterIuiv(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum pname, const GLuint *params, bool dsa) |
| { |
| switch (pname) { |
| case GL_TEXTURE_BORDER_COLOR: |
| if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameterIuiv(texture)"); |
| return; |
| } |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| /* set the unsigned integer-valued border color */ |
| COPY_4V(texObj->Sampler.BorderColor.ui, params); |
| break; |
| default: |
| _mesa_texture_parameteriv(ctx, texObj, pname, (const GLint *) params, |
| dsa); |
| break; |
| } |
| /* XXX no driver hook for TexParameterIuiv() yet */ |
| } |
| |
| void GLAPIENTRY |
| _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_target(ctx, target, GL_FALSE); |
| if (!texObj) |
| return; |
| |
| _mesa_texture_parameterf(ctx, texObj, pname, param, false); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_target(ctx, target, GL_FALSE); |
| if (!texObj) |
| return; |
| |
| _mesa_texture_parameterfv(ctx, texObj, pname, params, false); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TexParameteri(GLenum target, GLenum pname, GLint param) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_target(ctx, target, GL_FALSE); |
| if (!texObj) |
| return; |
| |
| _mesa_texture_parameteri(ctx, texObj, pname, param, false); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_target(ctx, target, GL_FALSE); |
| if (!texObj) |
| return; |
| |
| _mesa_texture_parameteriv(ctx, texObj, pname, params, false); |
| } |
| |
| /** |
| * Set tex parameter to integer value(s). Primarily intended to set |
| * integer-valued texture border color (for integer-valued textures). |
| * New in GL 3.0. |
| */ |
| void GLAPIENTRY |
| _mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_target(ctx, target, GL_FALSE); |
| if (!texObj) |
| return; |
| |
| _mesa_texture_parameterIiv(ctx, texObj, pname, params, false); |
| } |
| |
| /** |
| * Set tex parameter to unsigned integer value(s). Primarily intended to set |
| * uint-valued texture border color (for integer-valued textures). |
| * New in GL 3.0 |
| */ |
| void GLAPIENTRY |
| _mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_target(ctx, target, GL_FALSE); |
| if (!texObj) |
| return; |
| |
| _mesa_texture_parameterIuiv(ctx, texObj, pname, params, false); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TextureParameterfv(GLuint texture, GLenum pname, const GLfloat *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_name(ctx, texture, GL_FALSE); |
| if (!texObj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureParameterfv(texture)"); |
| return; |
| } |
| |
| _mesa_texture_parameterfv(ctx, texObj, pname, params, true); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TextureParameterf(GLuint texture, GLenum pname, GLfloat param) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_name(ctx, texture, GL_FALSE); |
| if (!texObj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureParameterf(texture)"); |
| return; |
| } |
| |
| _mesa_texture_parameterf(ctx, texObj, pname, param, true); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TextureParameteri(GLuint texture, GLenum pname, GLint param) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_name(ctx, texture, GL_FALSE); |
| if (!texObj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureParameteri(texture)"); |
| return; |
| } |
| |
| _mesa_texture_parameteri(ctx, texObj, pname, param, true); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TextureParameteriv(GLuint texture, GLenum pname, |
| const GLint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_name(ctx, texture, GL_FALSE); |
| if (!texObj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureParameteriv(texture)"); |
| return; |
| } |
| |
| _mesa_texture_parameteriv(ctx, texObj, pname, params, true); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TextureParameterIiv(GLuint texture, GLenum pname, const GLint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_name(ctx, texture, GL_FALSE); |
| if (!texObj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTextureParameterIiv(texture)"); |
| return; |
| } |
| |
| _mesa_texture_parameterIiv(ctx, texObj, pname, params, true); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TextureParameterIuiv(GLuint texture, GLenum pname, const GLuint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_name(ctx, texture, GL_FALSE); |
| if (!texObj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTextureParameterIuiv(texture)"); |
| return; |
| } |
| |
| _mesa_texture_parameterIuiv(ctx, texObj, pname, params, true); |
| } |
| |
| GLboolean |
| _mesa_legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target, |
| bool dsa) |
| { |
| /* Common targets for desktop GL and GLES 3.1. */ |
| switch (target) { |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_3D: |
| return GL_TRUE; |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| return ctx->Extensions.EXT_texture_array; |
| 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_2D_MULTISAMPLE: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return ctx->Extensions.ARB_texture_multisample; |
| case GL_TEXTURE_BUFFER: |
| /* GetTexLevelParameter accepts GL_TEXTURE_BUFFER in GL 3.1+ contexts, |
| * but not in earlier versions that expose ARB_texture_buffer_object. |
| * |
| * From the ARB_texture_buffer_object spec: |
| * "(7) Do buffer textures support texture parameters (TexParameter) or |
| * queries (GetTexParameter, GetTexLevelParameter, GetTexImage)? |
| * |
| * RESOLVED: No. [...] Note that the spec edits above don't add |
| * explicit error language for any of these cases. That is because |
| * each of the functions enumerate the set of valid <target> |
| * parameters. Not editing the spec to allow TEXTURE_BUFFER_ARB in |
| * these cases means that target is not legal, and an INVALID_ENUM |
| * error should be generated." |
| * |
| * From the OpenGL 3.1 spec: |
| * "target may also be TEXTURE_BUFFER, indicating the texture buffer." |
| */ |
| return (ctx->API == API_OPENGL_CORE && ctx->Version >= 31) || |
| _mesa_has_OES_texture_buffer(ctx); |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| return _mesa_has_texture_cube_map_array(ctx); |
| } |
| |
| if (!_mesa_is_desktop_gl(ctx)) |
| return GL_FALSE; |
| |
| /* Rest of the desktop GL targets. */ |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_3D: |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| return ctx->Extensions.ARB_texture_cube_map; |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| return ctx->Extensions.ARB_texture_cube_map_array; |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| return ctx->Extensions.NV_texture_rectangle; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| return ctx->Extensions.EXT_texture_array; |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return ctx->Extensions.ARB_texture_multisample; |
| |
| /* This is a valid target for dsa, but the OpenGL 4.5 core spec |
| * (30.10.2014) Section 8.11 Texture Queries says: |
| * "For GetTextureLevelParameter* only, texture may also be a cube |
| * map texture object. In this case the query is always performed |
| * for face zero (the TEXTURE_CUBE_MAP_POSITIVE_X face), since there |
| * is no way to specify another face." |
| */ |
| case GL_TEXTURE_CUBE_MAP: |
| return dsa; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| static void |
| get_tex_level_parameter_image(struct gl_context *ctx, |
| const struct gl_texture_object *texObj, |
| GLenum target, GLint level, |
| GLenum pname, GLint *params, |
| bool dsa) |
| { |
| const struct gl_texture_image *img = NULL; |
| struct gl_texture_image dummy_image; |
| mesa_format texFormat; |
| const char *suffix = dsa ? "ture" : ""; |
| |
| img = _mesa_select_tex_image(texObj, target, level); |
| if (!img || img->TexFormat == MESA_FORMAT_NONE) { |
| /* In case of undefined texture image return the default values. |
| * |
| * From OpenGL 4.0 spec, page 398: |
| * "The initial internal format of a texel array is RGBA |
| * instead of 1. TEXTURE_COMPONENTS is deprecated; always |
| * use TEXTURE_INTERNAL_FORMAT." |
| */ |
| memset(&dummy_image, 0, sizeof(dummy_image)); |
| dummy_image.TexFormat = MESA_FORMAT_NONE; |
| dummy_image.InternalFormat = GL_RGBA; |
| dummy_image._BaseFormat = GL_NONE; |
| dummy_image.FixedSampleLocations = GL_TRUE; |
| |
| img = &dummy_image; |
| } |
| |
| texFormat = img->TexFormat; |
| |
| switch (pname) { |
| case GL_TEXTURE_WIDTH: |
| *params = img->Width; |
| break; |
| case GL_TEXTURE_HEIGHT: |
| *params = img->Height; |
| break; |
| case GL_TEXTURE_DEPTH: |
| *params = img->Depth; |
| break; |
| case GL_TEXTURE_INTERNAL_FORMAT: |
| if (_mesa_is_format_compressed(texFormat)) { |
| /* need to return the actual compressed format */ |
| *params = _mesa_compressed_format_to_glenum(ctx, texFormat); |
| } |
| else { |
| /* If the true internal format is not compressed but the user |
| * requested a generic compressed format, we have to return the |
| * generic base format that matches. |
| * |
| * From page 119 (page 129 of the PDF) of the OpenGL 1.3 spec: |
| * |
| * "If no specific compressed format is available, |
| * internalformat is instead replaced by the corresponding base |
| * internal format." |
| * |
| * Otherwise just return the user's requested internal format |
| */ |
| const GLenum f = |
| _mesa_gl_compressed_format_base_format(img->InternalFormat); |
| |
| *params = (f != 0) ? f : img->InternalFormat; |
| } |
| break; |
| case GL_TEXTURE_BORDER: |
| if (ctx->API != API_OPENGL_COMPAT) |
| goto invalid_pname; |
| *params = img->Border; |
| break; |
| case GL_TEXTURE_RED_SIZE: |
| case GL_TEXTURE_GREEN_SIZE: |
| case GL_TEXTURE_BLUE_SIZE: |
| case GL_TEXTURE_ALPHA_SIZE: |
| if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) |
| *params = _mesa_get_format_bits(texFormat, pname); |
| else |
| *params = 0; |
| break; |
| case GL_TEXTURE_INTENSITY_SIZE: |
| case GL_TEXTURE_LUMINANCE_SIZE: |
| if (ctx->API != API_OPENGL_COMPAT) |
| goto invalid_pname; |
| if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) { |
| *params = _mesa_get_format_bits(texFormat, pname); |
| if (*params == 0) { |
| /* intensity or luminance is probably stored as RGB[A] */ |
| *params = MIN2(_mesa_get_format_bits(texFormat, |
| GL_TEXTURE_RED_SIZE), |
| _mesa_get_format_bits(texFormat, |
| GL_TEXTURE_GREEN_SIZE)); |
| } |
| } |
| else { |
| *params = 0; |
| } |
| break; |
| case GL_TEXTURE_DEPTH_SIZE_ARB: |
| if (!ctx->Extensions.ARB_depth_texture) |
| goto invalid_pname; |
| *params = _mesa_get_format_bits(texFormat, pname); |
| break; |
| case GL_TEXTURE_STENCIL_SIZE: |
| *params = _mesa_get_format_bits(texFormat, pname); |
| break; |
| case GL_TEXTURE_SHARED_SIZE: |
| if (ctx->Version < 30 && |
| !ctx->Extensions.EXT_texture_shared_exponent) |
| goto invalid_pname; |
| *params = texFormat == MESA_FORMAT_R9G9B9E5_FLOAT ? 5 : 0; |
| break; |
| |
| /* GL_ARB_texture_compression */ |
| case GL_TEXTURE_COMPRESSED_IMAGE_SIZE: |
| if (_mesa_is_format_compressed(texFormat) && |
| !_mesa_is_proxy_texture(target)) { |
| *params = _mesa_format_image_size(texFormat, img->Width, |
| img->Height, img->Depth); |
| } |
| else { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glGetTex%sLevelParameter[if]v(pname=%s)", suffix, |
| _mesa_enum_to_string(pname)); |
| } |
| break; |
| case GL_TEXTURE_COMPRESSED: |
| *params = (GLint) _mesa_is_format_compressed(texFormat); |
| break; |
| |
| /* GL_ARB_texture_float */ |
| case GL_TEXTURE_LUMINANCE_TYPE_ARB: |
| case GL_TEXTURE_INTENSITY_TYPE_ARB: |
| if (ctx->API != API_OPENGL_COMPAT) |
| goto invalid_pname; |
| /* FALLTHROUGH */ |
| case GL_TEXTURE_RED_TYPE_ARB: |
| case GL_TEXTURE_GREEN_TYPE_ARB: |
| case GL_TEXTURE_BLUE_TYPE_ARB: |
| case GL_TEXTURE_ALPHA_TYPE_ARB: |
| case GL_TEXTURE_DEPTH_TYPE_ARB: |
| if (!ctx->Extensions.ARB_texture_float) |
| goto invalid_pname; |
| if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) |
| *params = _mesa_get_format_datatype(texFormat); |
| else |
| *params = GL_NONE; |
| break; |
| |
| /* GL_ARB_texture_multisample */ |
| case GL_TEXTURE_SAMPLES: |
| if (!ctx->Extensions.ARB_texture_multisample) |
| goto invalid_pname; |
| *params = img->NumSamples; |
| break; |
| |
| case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS: |
| if (!ctx->Extensions.ARB_texture_multisample) |
| goto invalid_pname; |
| *params = img->FixedSampleLocations; |
| break; |
| |
| /* There is never a buffer data store here, but these pnames still have |
| * to work. |
| */ |
| |
| /* GL_ARB_texture_buffer_object */ |
| case GL_TEXTURE_BUFFER_DATA_STORE_BINDING: |
| if (!ctx->Extensions.ARB_texture_buffer_object) |
| goto invalid_pname; |
| *params = 0; |
| break; |
| |
| /* GL_ARB_texture_buffer_range */ |
| case GL_TEXTURE_BUFFER_OFFSET: |
| if (!ctx->Extensions.ARB_texture_buffer_range) |
| goto invalid_pname; |
| *params = 0; |
| break; |
| case GL_TEXTURE_BUFFER_SIZE: |
| if (!ctx->Extensions.ARB_texture_buffer_range) |
| goto invalid_pname; |
| *params = 0; |
| break; |
| |
| default: |
| goto invalid_pname; |
| } |
| |
| /* no error if we get here */ |
| return; |
| |
| invalid_pname: |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glGetTex%sLevelParameter[if]v(pname=%s)", suffix, |
| _mesa_enum_to_string(pname)); |
| } |
| |
| |
| /** |
| * Handle a glGetTexLevelParamteriv() call for a texture buffer. |
| */ |
| static void |
| get_tex_level_parameter_buffer(struct gl_context *ctx, |
| const struct gl_texture_object *texObj, |
| GLenum pname, GLint *params, bool dsa) |
| { |
| const struct gl_buffer_object *bo = texObj->BufferObject; |
| mesa_format texFormat = texObj->_BufferObjectFormat; |
| int bytes = MAX2(1, _mesa_get_format_bytes(texFormat)); |
| GLenum internalFormat = texObj->BufferObjectFormat; |
| GLenum baseFormat = _mesa_get_format_base_format(texFormat); |
| const char *suffix = dsa ? "ture" : ""; |
| |
| assert(texObj->Target == GL_TEXTURE_BUFFER); |
| |
| if (!bo) { |
| /* undefined texture buffer object */ |
| switch (pname) { |
| case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS: |
| *params = GL_TRUE; |
| break; |
| case GL_TEXTURE_INTERNAL_FORMAT: |
| *params = internalFormat; |
| break; |
| default: |
| *params = 0; |
| break; |
| } |
| return; |
| } |
| |
| switch (pname) { |
| case GL_TEXTURE_BUFFER_DATA_STORE_BINDING: |
| *params = bo->Name; |
| break; |
| case GL_TEXTURE_WIDTH: |
| *params = ((texObj->BufferSize == -1) ? bo->Size : texObj->BufferSize) |
| / bytes; |
| break; |
| case GL_TEXTURE_HEIGHT: |
| case GL_TEXTURE_DEPTH: |
| *params = 1; |
| break; |
| case GL_TEXTURE_BORDER: |
| case GL_TEXTURE_SHARED_SIZE: |
| case GL_TEXTURE_COMPRESSED: |
| *params = 0; |
| break; |
| case GL_TEXTURE_INTERNAL_FORMAT: |
| *params = internalFormat; |
| break; |
| case GL_TEXTURE_RED_SIZE: |
| case GL_TEXTURE_GREEN_SIZE: |
| case GL_TEXTURE_BLUE_SIZE: |
| case GL_TEXTURE_ALPHA_SIZE: |
| if (_mesa_base_format_has_channel(baseFormat, pname)) |
| *params = _mesa_get_format_bits(texFormat, pname); |
| else |
| *params = 0; |
| break; |
| case GL_TEXTURE_INTENSITY_SIZE: |
| case GL_TEXTURE_LUMINANCE_SIZE: |
| if (_mesa_base_format_has_channel(baseFormat, pname)) { |
| *params = _mesa_get_format_bits(texFormat, pname); |
| if (*params == 0) { |
| /* intensity or luminance is probably stored as RGB[A] */ |
| *params = MIN2(_mesa_get_format_bits(texFormat, |
| GL_TEXTURE_RED_SIZE), |
| _mesa_get_format_bits(texFormat, |
| GL_TEXTURE_GREEN_SIZE)); |
| } |
| } else { |
| *params = 0; |
| } |
| break; |
| case GL_TEXTURE_DEPTH_SIZE_ARB: |
| case GL_TEXTURE_STENCIL_SIZE_EXT: |
| *params = _mesa_get_format_bits(texFormat, pname); |
| break; |
| |
| /* GL_ARB_texture_buffer_range */ |
| case GL_TEXTURE_BUFFER_OFFSET: |
| if (!ctx->Extensions.ARB_texture_buffer_range) |
| goto invalid_pname; |
| *params = texObj->BufferOffset; |
| break; |
| case GL_TEXTURE_BUFFER_SIZE: |
| if (!ctx->Extensions.ARB_texture_buffer_range) |
| goto invalid_pname; |
| *params = (texObj->BufferSize == -1) ? bo->Size : texObj->BufferSize; |
| break; |
| |
| /* GL_ARB_texture_multisample */ |
| case GL_TEXTURE_SAMPLES: |
| if (!ctx->Extensions.ARB_texture_multisample) |
| goto invalid_pname; |
| *params = 0; |
| break; |
| |
| case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS: |
| if (!ctx->Extensions.ARB_texture_multisample) |
| goto invalid_pname; |
| *params = GL_TRUE; |
| break; |
| |
| /* GL_ARB_texture_compression */ |
| case GL_TEXTURE_COMPRESSED_IMAGE_SIZE: |
| /* Always illegal for GL_TEXTURE_BUFFER */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glGetTex%sLevelParameter[if]v(pname=%s)", suffix, |
| _mesa_enum_to_string(pname)); |
| break; |
| |
| /* GL_ARB_texture_float */ |
| case GL_TEXTURE_RED_TYPE_ARB: |
| case GL_TEXTURE_GREEN_TYPE_ARB: |
| case GL_TEXTURE_BLUE_TYPE_ARB: |
| case GL_TEXTURE_ALPHA_TYPE_ARB: |
| case GL_TEXTURE_LUMINANCE_TYPE_ARB: |
| case GL_TEXTURE_INTENSITY_TYPE_ARB: |
| case GL_TEXTURE_DEPTH_TYPE_ARB: |
| if (!ctx->Extensions.ARB_texture_float) |
| goto invalid_pname; |
| if (_mesa_base_format_has_channel(baseFormat, pname)) |
| *params = _mesa_get_format_datatype(texFormat); |
| else |
| *params = GL_NONE; |
| break; |
| |
| default: |
| goto invalid_pname; |
| } |
| |
| /* no error if we get here */ |
| return; |
| |
| invalid_pname: |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glGetTex%sLevelParameter[if]v(pname=%s)", suffix, |
| _mesa_enum_to_string(pname)); |
| } |
| |
| static bool |
| valid_tex_level_parameteriv_target(struct gl_context *ctx, GLenum target, |
| bool dsa) |
| { |
| const char *suffix = dsa ? "ture" : ""; |
| if (!_mesa_legal_get_tex_level_parameter_target(ctx, target, dsa)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glGetTex%sLevelParameter[if]v(target=%s)", suffix, |
| _mesa_enum_to_string(target)); |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * This isn't exposed to the rest of the driver because it is a part of the |
| * OpenGL API that is rarely used. |
| */ |
| static void |
| get_tex_level_parameteriv(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum target, GLint level, |
| GLenum pname, GLint *params, |
| bool dsa) |
| { |
| GLint maxLevels; |
| const char *suffix = dsa ? "ture" : ""; |
| |
| /* Check for errors */ |
| if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glGetTex%sLevelParameter[if]v(" |
| "current unit >= max combined texture units)", suffix); |
| return; |
| } |
| |
| maxLevels = _mesa_max_texture_levels(ctx, target); |
| assert(maxLevels != 0); |
| |
| if (level < 0 || level >= maxLevels) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glGetTex%sLevelParameter[if]v(level out of range)", suffix); |
| return; |
| } |
| |
| /* Get the level parameter */ |
| if (target == GL_TEXTURE_BUFFER) { |
| get_tex_level_parameter_buffer(ctx, texObj, pname, params, dsa); |
| } |
| else { |
| get_tex_level_parameter_image(ctx, texObj, target, |
| level, pname, params, dsa); |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetTexLevelParameterfv( GLenum target, GLint level, |
| GLenum pname, GLfloat *params ) |
| { |
| struct gl_texture_object *texObj; |
| GLint iparam; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!valid_tex_level_parameteriv_target(ctx, target, false)) |
| return; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| get_tex_level_parameteriv(ctx, texObj, target, level, |
| pname, &iparam, false); |
| |
| *params = (GLfloat) iparam; |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetTexLevelParameteriv( GLenum target, GLint level, |
| GLenum pname, GLint *params ) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!valid_tex_level_parameteriv_target(ctx, target, false)) |
| return; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| get_tex_level_parameteriv(ctx, texObj, target, level, |
| pname, params, false); |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetTextureLevelParameterfv(GLuint texture, GLint level, |
| GLenum pname, GLfloat *params) |
| { |
| struct gl_texture_object *texObj; |
| GLint iparam; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_lookup_texture_err(ctx, texture, |
| "glGetTextureLevelParameterfv"); |
| if (!texObj) |
| return; |
| |
| if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true)) |
| return; |
| |
| get_tex_level_parameteriv(ctx, texObj, texObj->Target, level, |
| pname, &iparam, true); |
| |
| *params = (GLfloat) iparam; |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetTextureLevelParameteriv(GLuint texture, GLint level, |
| GLenum pname, GLint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_lookup_texture_err(ctx, texture, |
| "glGetTextureLevelParameteriv"); |
| if (!texObj) |
| return; |
| |
| if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true)) |
| return; |
| |
| get_tex_level_parameteriv(ctx, texObj, texObj->Target, level, |
| pname, params, true); |
| } |
| |
| /** |
| * This isn't exposed to the rest of the driver because it is a part of the |
| * OpenGL API that is rarely used. |
| */ |
| static void |
| get_tex_parameterfv(struct gl_context *ctx, |
| struct gl_texture_object *obj, |
| GLenum pname, GLfloat *params, bool dsa) |
| { |
| _mesa_lock_context_textures(ctx); |
| switch (pname) { |
| case GL_TEXTURE_MAG_FILTER: |
| *params = ENUM_TO_FLOAT(obj->Sampler.MagFilter); |
| break; |
| case GL_TEXTURE_MIN_FILTER: |
| *params = ENUM_TO_FLOAT(obj->Sampler.MinFilter); |
| break; |
| case GL_TEXTURE_WRAP_S: |
| *params = ENUM_TO_FLOAT(obj->Sampler.WrapS); |
| break; |
| case GL_TEXTURE_WRAP_T: |
| *params = ENUM_TO_FLOAT(obj->Sampler.WrapT); |
| break; |
| case GL_TEXTURE_WRAP_R: |
| *params = ENUM_TO_FLOAT(obj->Sampler.WrapR); |
| break; |
| case GL_TEXTURE_BORDER_COLOR: |
| if (ctx->API == API_OPENGLES || |
| !ctx->Extensions.ARB_texture_border_clamp) |
| goto invalid_pname; |
| |
| if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP)) |
| _mesa_update_state_locked(ctx); |
| if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) { |
| params[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F); |
| params[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F); |
| params[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F); |
| params[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F); |
| } |
| else { |
| params[0] = obj->Sampler.BorderColor.f[0]; |
| params[1] = obj->Sampler.BorderColor.f[1]; |
| params[2] = obj->Sampler.BorderColor.f[2]; |
| params[3] = obj->Sampler.BorderColor.f[3]; |
| } |
| break; |
| case GL_TEXTURE_RESIDENT: |
| if (ctx->API != API_OPENGL_COMPAT) |
| goto invalid_pname; |
| |
| *params = 1.0F; |
| break; |
| case GL_TEXTURE_PRIORITY: |
| if (ctx->API != API_OPENGL_COMPAT) |
| goto invalid_pname; |
| |
| *params = obj->Priority; |
| break; |
| case GL_TEXTURE_MIN_LOD: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| |
| *params = obj->Sampler.MinLod; |
| break; |
| case GL_TEXTURE_MAX_LOD: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| |
| *params = obj->Sampler.MaxLod; |
| break; |
| case GL_TEXTURE_BASE_LEVEL: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| |
| *params = (GLfloat) obj->BaseLevel; |
| break; |
| case GL_TEXTURE_MAX_LEVEL: |
| *params = (GLfloat) obj->MaxLevel; |
| break; |
| case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| if (!ctx->Extensions.EXT_texture_filter_anisotropic) |
| goto invalid_pname; |
| *params = obj->Sampler.MaxAnisotropy; |
| break; |
| case GL_GENERATE_MIPMAP_SGIS: |
| if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES) |
| goto invalid_pname; |
| |
| *params = (GLfloat) obj->GenerateMipmap; |
| break; |
| case GL_TEXTURE_COMPARE_MODE_ARB: |
| if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow) |
| && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| *params = (GLfloat) obj->Sampler.CompareMode; |
| break; |
| case GL_TEXTURE_COMPARE_FUNC_ARB: |
| if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow) |
| && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| *params = (GLfloat) obj->Sampler.CompareFunc; |
| break; |
| case GL_DEPTH_TEXTURE_MODE_ARB: |
| /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has |
| * never existed in OpenGL ES. |
| */ |
| if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture) |
| goto invalid_pname; |
| *params = (GLfloat) obj->DepthMode; |
| break; |
| case GL_DEPTH_STENCIL_TEXTURE_MODE: |
| if (!_mesa_has_ARB_stencil_texturing(ctx) && !_mesa_is_gles31(ctx)) |
| goto invalid_pname; |
| *params = (GLfloat) |
| (obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT); |
| break; |
| case GL_TEXTURE_LOD_BIAS: |
| if (_mesa_is_gles(ctx)) |
| goto invalid_pname; |
| |
| *params = obj->Sampler.LodBias; |
| break; |
| case GL_TEXTURE_CROP_RECT_OES: |
| if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture) |
| goto invalid_pname; |
| |
| params[0] = (GLfloat) obj->CropRect[0]; |
| params[1] = (GLfloat) obj->CropRect[1]; |
| params[2] = (GLfloat) obj->CropRect[2]; |
| params[3] = (GLfloat) obj->CropRect[3]; |
| break; |
| |
| case GL_TEXTURE_SWIZZLE_R_EXT: |
| case GL_TEXTURE_SWIZZLE_G_EXT: |
| case GL_TEXTURE_SWIZZLE_B_EXT: |
| case GL_TEXTURE_SWIZZLE_A_EXT: |
| if ((!_mesa_is_desktop_gl(ctx) |
| || !ctx->Extensions.EXT_texture_swizzle) |
| && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| *params = (GLfloat) obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT]; |
| break; |
| |
| case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| if ((!_mesa_is_desktop_gl(ctx) |
| || !ctx->Extensions.EXT_texture_swizzle) |
| && !_mesa_is_gles3(ctx)) { |
| goto invalid_pname; |
| } |
| else { |
| GLuint comp; |
| for (comp = 0; comp < 4; comp++) { |
| params[comp] = (GLfloat) obj->Swizzle[comp]; |
| } |
| } |
| break; |
| |
| case GL_TEXTURE_CUBE_MAP_SEAMLESS: |
| if (!_mesa_is_desktop_gl(ctx) |
| || !ctx->Extensions.AMD_seamless_cubemap_per_texture) |
| goto invalid_pname; |
| *params = (GLfloat) obj->Sampler.CubeMapSeamless; |
| break; |
| |
| case GL_TEXTURE_IMMUTABLE_FORMAT: |
| *params = (GLfloat) obj->Immutable; |
| break; |
| |
| case GL_TEXTURE_IMMUTABLE_LEVELS: |
| if (_mesa_is_gles3(ctx) || |
| (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_view)) |
| *params = (GLfloat) obj->ImmutableLevels; |
| else |
| goto invalid_pname; |
| break; |
| |
| case GL_TEXTURE_VIEW_MIN_LEVEL: |
| if (!ctx->Extensions.ARB_texture_view) |
| goto invalid_pname; |
| *params = (GLfloat) obj->MinLevel; |
| break; |
| |
| case GL_TEXTURE_VIEW_NUM_LEVELS: |
| if (!ctx->Extensions.ARB_texture_view) |
| goto invalid_pname; |
| *params = (GLfloat) obj->NumLevels; |
| break; |
| |
| case GL_TEXTURE_VIEW_MIN_LAYER: |
| if (!ctx->Extensions.ARB_texture_view) |
| goto invalid_pname; |
| *params = (GLfloat) obj->MinLayer; |
| break; |
| |
| case GL_TEXTURE_VIEW_NUM_LAYERS: |
| if (!ctx->Extensions.ARB_texture_view) |
| goto invalid_pname; |
| *params = (GLfloat) obj->NumLayers; |
| break; |
| |
| case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES: |
| if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external) |
| goto invalid_pname; |
| *params = (GLfloat) obj->RequiredTextureImageUnits; |
| break; |
| |
| case GL_TEXTURE_SRGB_DECODE_EXT: |
| if (!ctx->Extensions.EXT_texture_sRGB_decode) |
| goto invalid_pname; |
| *params = (GLfloat) obj->Sampler.sRGBDecode; |
| break; |
| |
| case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE: |
| if (!ctx->Extensions.ARB_shader_image_load_store) |
| goto invalid_pname; |
| *params = (GLfloat) obj->ImageFormatCompatibilityType; |
| break; |
| |
| case GL_TEXTURE_TARGET: |
| if (ctx->API != API_OPENGL_CORE) |
| goto invalid_pname; |
| *params = ENUM_TO_FLOAT(obj->Target); |
| break; |
| |
| default: |
| goto invalid_pname; |
| } |
| |
| /* no error if we get here */ |
| _mesa_unlock_context_textures(ctx); |
| return; |
| |
| invalid_pname: |
| _mesa_unlock_context_textures(ctx); |
| _mesa_error(ctx, GL_INVALID_ENUM, "glGetTex%sParameterfv(pname=0x%x)", |
| dsa ? "ture" : "", pname); |
| } |
| |
| |
| static void |
| get_tex_parameteriv(struct gl_context *ctx, |
| struct gl_texture_object *obj, |
| GLenum pname, GLint *params, bool dsa) |
| { |
| _mesa_lock_texture(ctx, obj); |
| switch (pname) { |
| case GL_TEXTURE_MAG_FILTER: |
| *params = (GLint) obj->Sampler.MagFilter; |
| break; |
| case GL_TEXTURE_MIN_FILTER: |
| *params = (GLint) obj->Sampler.MinFilter; |
| break; |
| case GL_TEXTURE_WRAP_S: |
| *params = (GLint) obj->Sampler.WrapS; |
| break; |
| case GL_TEXTURE_WRAP_T: |
| *params = (GLint) obj->Sampler.WrapT; |
| break; |
| case GL_TEXTURE_WRAP_R: |
| *params = (GLint) obj->Sampler.WrapR; |
| break; |
| case GL_TEXTURE_BORDER_COLOR: |
| if (ctx->API == API_OPENGLES || |
| !ctx->Extensions.ARB_texture_border_clamp) |
| goto invalid_pname; |
| |
| { |
| GLfloat b[4]; |
| b[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F); |
| b[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F); |
| b[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F); |
| b[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F); |
| params[0] = FLOAT_TO_INT(b[0]); |
| params[1] = FLOAT_TO_INT(b[1]); |
| params[2] = FLOAT_TO_INT(b[2]); |
| params[3] = FLOAT_TO_INT(b[3]); |
| } |
| break; |
| case GL_TEXTURE_RESIDENT: |
| if (ctx->API != API_OPENGL_COMPAT) |
| goto invalid_pname; |
| |
| *params = 1; |
| break; |
| case GL_TEXTURE_PRIORITY: |
| if (ctx->API != API_OPENGL_COMPAT) |
| goto invalid_pname; |
| |
| *params = FLOAT_TO_INT(obj->Priority); |
| break; |
| case GL_TEXTURE_MIN_LOD: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| /* GL spec 'Data Conversions' section specifies that floating-point |
| * value in integer Get function is rounded to nearest integer |
| */ |
| *params = IROUND(obj->Sampler.MinLod); |
| break; |
| case GL_TEXTURE_MAX_LOD: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| /* GL spec 'Data Conversions' section specifies that floating-point |
| * value in integer Get function is rounded to nearest integer |
| */ |
| *params = IROUND(obj->Sampler.MaxLod); |
| break; |
| case GL_TEXTURE_BASE_LEVEL: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| |
| *params = obj->BaseLevel; |
| break; |
| case GL_TEXTURE_MAX_LEVEL: |
| *params = obj->MaxLevel; |
| break; |
| case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| if (!ctx->Extensions.EXT_texture_filter_anisotropic) |
| goto invalid_pname; |
| /* GL spec 'Data Conversions' section specifies that floating-point |
| * value in integer Get function is rounded to nearest integer |
| */ |
| *params = IROUND(obj->Sampler.MaxAnisotropy); |
| break; |
| case GL_GENERATE_MIPMAP_SGIS: |
| if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES) |
| goto invalid_pname; |
| |
| *params = (GLint) obj->GenerateMipmap; |
| break; |
| case GL_TEXTURE_COMPARE_MODE_ARB: |
| if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow) |
| && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| *params = (GLint) obj->Sampler.CompareMode; |
| break; |
| case GL_TEXTURE_COMPARE_FUNC_ARB: |
| if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow) |
| && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| *params = (GLint) obj->Sampler.CompareFunc; |
| break; |
| case GL_DEPTH_TEXTURE_MODE_ARB: |
| if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture) |
| goto invalid_pname; |
| *params = (GLint) obj->DepthMode; |
| break; |
| case GL_DEPTH_STENCIL_TEXTURE_MODE: |
| if (!_mesa_has_ARB_stencil_texturing(ctx) && !_mesa_is_gles31(ctx)) |
| goto invalid_pname; |
| *params = (GLint) |
| (obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT); |
| break; |
| case GL_TEXTURE_LOD_BIAS: |
| if (_mesa_is_gles(ctx)) |
| goto invalid_pname; |
| |
| /* GL spec 'Data Conversions' section specifies that floating-point |
| * value in integer Get function is rounded to nearest integer |
| */ |
| *params = IROUND(obj->Sampler.LodBias); |
| break; |
| case GL_TEXTURE_CROP_RECT_OES: |
| if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture) |
| goto invalid_pname; |
| |
| params[0] = obj->CropRect[0]; |
| params[1] = obj->CropRect[1]; |
| params[2] = obj->CropRect[2]; |
| params[3] = obj->CropRect[3]; |
| break; |
| case GL_TEXTURE_SWIZZLE_R_EXT: |
| case GL_TEXTURE_SWIZZLE_G_EXT: |
| case GL_TEXTURE_SWIZZLE_B_EXT: |
| case GL_TEXTURE_SWIZZLE_A_EXT: |
| if ((!_mesa_is_desktop_gl(ctx) |
| || !ctx->Extensions.EXT_texture_swizzle) |
| && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| *params = obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT]; |
| break; |
| |
| case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| if ((!_mesa_is_desktop_gl(ctx) |
| || !ctx->Extensions.EXT_texture_swizzle) |
| && !_mesa_is_gles3(ctx)) |
| goto invalid_pname; |
| COPY_4V(params, obj->Swizzle); |
| break; |
| |
| case GL_TEXTURE_CUBE_MAP_SEAMLESS: |
| if (!_mesa_is_desktop_gl(ctx) |
| || !ctx->Extensions.AMD_seamless_cubemap_per_texture) |
| goto invalid_pname; |
| *params = (GLint) obj->Sampler.CubeMapSeamless; |
| break; |
| |
| case GL_TEXTURE_IMMUTABLE_FORMAT: |
| *params = (GLint) obj->Immutable; |
| break; |
| |
| case GL_TEXTURE_IMMUTABLE_LEVELS: |
| if (_mesa_is_gles3(ctx) || |
| (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_view)) |
| *params = obj->ImmutableLevels; |
| else |
| goto invalid_pname; |
| break; |
| |
| case GL_TEXTURE_VIEW_MIN_LEVEL: |
| if (!ctx->Extensions.ARB_texture_view) |
| goto invalid_pname; |
| *params = (GLint) obj->MinLevel; |
| break; |
| |
| case GL_TEXTURE_VIEW_NUM_LEVELS: |
| if (!ctx->Extensions.ARB_texture_view) |
| goto invalid_pname; |
| *params = (GLint) obj->NumLevels; |
| break; |
| |
| case GL_TEXTURE_VIEW_MIN_LAYER: |
| if (!ctx->Extensions.ARB_texture_view) |
| goto invalid_pname; |
| *params = (GLint) obj->MinLayer; |
| break; |
| |
| case GL_TEXTURE_VIEW_NUM_LAYERS: |
| if (!ctx->Extensions.ARB_texture_view) |
| goto invalid_pname; |
| *params = (GLint) obj->NumLayers; |
| break; |
| |
| case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES: |
| if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external) |
| goto invalid_pname; |
| *params = obj->RequiredTextureImageUnits; |
| break; |
| |
| case GL_TEXTURE_SRGB_DECODE_EXT: |
| if (!ctx->Extensions.EXT_texture_sRGB_decode) |
| goto invalid_pname; |
| *params = obj->Sampler.sRGBDecode; |
| break; |
| |
| case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE: |
| if (!ctx->Extensions.ARB_shader_image_load_store) |
| goto invalid_pname; |
| *params = obj->ImageFormatCompatibilityType; |
| break; |
| |
| case GL_TEXTURE_TARGET: |
| if (ctx->API != API_OPENGL_CORE) |
| goto invalid_pname; |
| *params = (GLint) obj->Target; |
| break; |
| |
| default: |
| goto invalid_pname; |
| } |
| |
| /* no error if we get here */ |
| _mesa_unlock_texture(ctx, obj); |
| return; |
| |
| invalid_pname: |
| _mesa_unlock_texture(ctx, obj); |
| _mesa_error(ctx, GL_INVALID_ENUM, "glGetTex%sParameteriv(pname=0x%x)", |
| dsa ? "ture" : "", pname); |
| } |
| |
| static void |
| get_tex_parameterIiv(struct gl_context *ctx, |
| struct gl_texture_object *obj, |
| GLenum pname, GLint *params, bool dsa) |
| { |
| switch (pname) { |
| case GL_TEXTURE_BORDER_COLOR: |
| COPY_4V(params, obj->Sampler.BorderColor.i); |
| break; |
| default: |
| get_tex_parameteriv(ctx, obj, pname, params, dsa); |
| } |
| } |
| |
| static void |
| get_tex_parameterIuiv(struct gl_context *ctx, |
| struct gl_texture_object *obj, |
| GLenum pname, GLuint *params, bool dsa) |
| { |
| switch (pname) { |
| case GL_TEXTURE_BORDER_COLOR: |
| COPY_4V(params, obj->Sampler.BorderColor.i); |
| break; |
| default: |
| { |
| GLint ip[4]; |
| get_tex_parameteriv(ctx, obj, pname, ip, dsa); |
| params[0] = ip[0]; |
| if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT || |
| pname == GL_TEXTURE_CROP_RECT_OES) { |
| params[1] = ip[1]; |
| params[2] = ip[2]; |
| params[3] = ip[3]; |
| } |
| } |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetTexParameterfv(GLenum target, GLenum pname, GLfloat *params) |
| { |
| struct gl_texture_object *obj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| obj = get_texobj_by_target(ctx, target, GL_TRUE); |
| if (!obj) |
| return; |
| |
| get_tex_parameterfv(ctx, obj, pname, params, false); |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetTexParameteriv(GLenum target, GLenum pname, GLint *params) |
| { |
| struct gl_texture_object *obj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| obj = get_texobj_by_target(ctx, target, GL_TRUE); |
| if (!obj) |
| return; |
| |
| get_tex_parameteriv(ctx, obj, pname, params, false); |
| } |
| |
| /** New in GL 3.0 */ |
| void GLAPIENTRY |
| _mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_target(ctx, target, GL_TRUE); |
| if (!texObj) |
| return; |
| |
| get_tex_parameterIiv(ctx, texObj, pname, params, false); |
| } |
| |
| |
| /** New in GL 3.0 */ |
| void GLAPIENTRY |
| _mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_target(ctx, target, GL_TRUE); |
| if (!texObj) |
| return; |
| |
| get_tex_parameterIuiv(ctx, texObj, pname, params, false); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_GetTextureParameterfv(GLuint texture, GLenum pname, GLfloat *params) |
| { |
| struct gl_texture_object *obj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| obj = get_texobj_by_name(ctx, texture, GL_TRUE); |
| if (!obj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glGetTextureParameterfv(texture)"); |
| return; |
| } |
| |
| get_tex_parameterfv(ctx, obj, pname, params, true); |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetTextureParameteriv(GLuint texture, GLenum pname, GLint *params) |
| { |
| struct gl_texture_object *obj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| obj = get_texobj_by_name(ctx, texture, GL_TRUE); |
| if (!obj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glGetTextureParameteriv(texture)"); |
| return; |
| } |
| |
| get_tex_parameteriv(ctx, obj, pname, params, true); |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetTextureParameterIiv(GLuint texture, GLenum pname, GLint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_name(ctx, texture, GL_TRUE); |
| if (!texObj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glGetTextureParameterIiv(texture)"); |
| return; |
| } |
| |
| get_tex_parameterIiv(ctx, texObj, pname, params, true); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_GetTextureParameterIuiv(GLuint texture, GLenum pname, GLuint *params) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = get_texobj_by_name(ctx, texture, GL_TRUE); |
| if (!texObj) { |
| /* User passed a non-generated name. */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glGetTextureParameterIuiv(texture)"); |
| return; |
| } |
| |
| get_tex_parameterIuiv(ctx, texObj, pname, params, true); |
| } |
