| /* |
| * Mesa 3-D graphics library |
| * |
| * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
| * Copyright (c) 2008-2009 VMware, Inc. |
| * Copyright (c) 2012 Intel Corporation |
| * |
| * 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 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. |
| */ |
| |
| |
| #include "context.h" |
| #include "glformats.h" |
| |
| |
| /** |
| * \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise. |
| */ |
| GLboolean |
| _mesa_type_is_packed(GLenum type) |
| { |
| switch (type) { |
| case GL_UNSIGNED_BYTE_3_3_2: |
| case GL_UNSIGNED_BYTE_2_3_3_REV: |
| case MESA_UNSIGNED_BYTE_4_4: |
| case GL_UNSIGNED_SHORT_5_6_5: |
| case GL_UNSIGNED_SHORT_5_6_5_REV: |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| case GL_UNSIGNED_INT_8_8_8_8: |
| case GL_UNSIGNED_INT_8_8_8_8_REV: |
| case GL_UNSIGNED_INT_10_10_10_2: |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| case GL_UNSIGNED_SHORT_8_8_MESA: |
| case GL_UNSIGNED_SHORT_8_8_REV_MESA: |
| case GL_UNSIGNED_INT_24_8_EXT: |
| case GL_UNSIGNED_INT_5_9_9_9_REV: |
| case GL_UNSIGNED_INT_10F_11F_11F_REV: |
| case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: |
| return GL_TRUE; |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Get the size of a GL data type. |
| * |
| * \param type GL data type. |
| * |
| * \return the size, in bytes, of the given data type, 0 if a GL_BITMAP, or -1 |
| * if an invalid type enum. |
| */ |
| GLint |
| _mesa_sizeof_type(GLenum type) |
| { |
| switch (type) { |
| case GL_BITMAP: |
| return 0; |
| case GL_UNSIGNED_BYTE: |
| return sizeof(GLubyte); |
| case GL_BYTE: |
| return sizeof(GLbyte); |
| case GL_UNSIGNED_SHORT: |
| return sizeof(GLushort); |
| case GL_SHORT: |
| return sizeof(GLshort); |
| case GL_UNSIGNED_INT: |
| return sizeof(GLuint); |
| case GL_INT: |
| return sizeof(GLint); |
| case GL_FLOAT: |
| return sizeof(GLfloat); |
| case GL_DOUBLE: |
| return sizeof(GLdouble); |
| case GL_HALF_FLOAT_ARB: |
| return sizeof(GLhalfARB); |
| case GL_FIXED: |
| return sizeof(GLfixed); |
| default: |
| return -1; |
| } |
| } |
| |
| |
| /** |
| * Same as _mesa_sizeof_type() but also accepting the packed pixel |
| * format data types. |
| */ |
| GLint |
| _mesa_sizeof_packed_type(GLenum type) |
| { |
| switch (type) { |
| case GL_BITMAP: |
| return 0; |
| case GL_UNSIGNED_BYTE: |
| return sizeof(GLubyte); |
| case GL_BYTE: |
| return sizeof(GLbyte); |
| case GL_UNSIGNED_SHORT: |
| return sizeof(GLushort); |
| case GL_SHORT: |
| return sizeof(GLshort); |
| case GL_UNSIGNED_INT: |
| return sizeof(GLuint); |
| case GL_INT: |
| return sizeof(GLint); |
| case GL_HALF_FLOAT_ARB: |
| return sizeof(GLhalfARB); |
| case GL_FLOAT: |
| return sizeof(GLfloat); |
| case GL_UNSIGNED_BYTE_3_3_2: |
| case GL_UNSIGNED_BYTE_2_3_3_REV: |
| case MESA_UNSIGNED_BYTE_4_4: |
| return sizeof(GLubyte); |
| case GL_UNSIGNED_SHORT_5_6_5: |
| case GL_UNSIGNED_SHORT_5_6_5_REV: |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| case GL_UNSIGNED_SHORT_8_8_MESA: |
| case GL_UNSIGNED_SHORT_8_8_REV_MESA: |
| return sizeof(GLushort); |
| case GL_UNSIGNED_INT_8_8_8_8: |
| case GL_UNSIGNED_INT_8_8_8_8_REV: |
| case GL_UNSIGNED_INT_10_10_10_2: |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| case GL_UNSIGNED_INT_24_8_EXT: |
| case GL_UNSIGNED_INT_5_9_9_9_REV: |
| case GL_UNSIGNED_INT_10F_11F_11F_REV: |
| return sizeof(GLuint); |
| case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: |
| return 8; |
| default: |
| return -1; |
| } |
| } |
| |
| |
| /** |
| * Get the number of components in a pixel format. |
| * |
| * \param format pixel format. |
| * |
| * \return the number of components in the given format, or -1 if a bad format. |
| */ |
| GLint |
| _mesa_components_in_format(GLenum format) |
| { |
| switch (format) { |
| case GL_COLOR_INDEX: |
| case GL_STENCIL_INDEX: |
| case GL_DEPTH_COMPONENT: |
| case GL_RED: |
| case GL_RED_INTEGER_EXT: |
| case GL_GREEN: |
| case GL_GREEN_INTEGER_EXT: |
| case GL_BLUE: |
| case GL_BLUE_INTEGER_EXT: |
| case GL_ALPHA: |
| case GL_ALPHA_INTEGER_EXT: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_INTEGER_EXT: |
| case GL_INTENSITY: |
| return 1; |
| |
| case GL_LUMINANCE_ALPHA: |
| case GL_LUMINANCE_ALPHA_INTEGER_EXT: |
| case GL_RG: |
| case GL_YCBCR_MESA: |
| case GL_DEPTH_STENCIL_EXT: |
| case GL_DUDV_ATI: |
| case GL_DU8DV8_ATI: |
| case GL_RG_INTEGER: |
| return 2; |
| |
| case GL_RGB: |
| case GL_BGR: |
| case GL_RGB_INTEGER_EXT: |
| case GL_BGR_INTEGER_EXT: |
| return 3; |
| |
| case GL_RGBA: |
| case GL_BGRA: |
| case GL_ABGR_EXT: |
| case GL_RGBA_INTEGER_EXT: |
| case GL_BGRA_INTEGER_EXT: |
| return 4; |
| |
| default: |
| return -1; |
| } |
| } |
| |
| |
| /** |
| * Get the bytes per pixel of pixel format type pair. |
| * |
| * \param format pixel format. |
| * \param type pixel type. |
| * |
| * \return bytes per pixel, or -1 if a bad format or type was given. |
| */ |
| GLint |
| _mesa_bytes_per_pixel(GLenum format, GLenum type) |
| { |
| GLint comps = _mesa_components_in_format(format); |
| if (comps < 0) |
| return -1; |
| |
| switch (type) { |
| case GL_BITMAP: |
| return 0; /* special case */ |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| return comps * sizeof(GLubyte); |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| return comps * sizeof(GLshort); |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| return comps * sizeof(GLint); |
| case GL_FLOAT: |
| return comps * sizeof(GLfloat); |
| case GL_HALF_FLOAT_ARB: |
| return comps * sizeof(GLhalfARB); |
| case GL_UNSIGNED_BYTE_3_3_2: |
| case GL_UNSIGNED_BYTE_2_3_3_REV: |
| if (format == GL_RGB || format == GL_BGR || |
| format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT) |
| return sizeof(GLubyte); |
| else |
| return -1; /* error */ |
| case GL_UNSIGNED_SHORT_5_6_5: |
| case GL_UNSIGNED_SHORT_5_6_5_REV: |
| if (format == GL_RGB || format == GL_BGR || |
| format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT) |
| return sizeof(GLushort); |
| else |
| return -1; /* error */ |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT || |
| format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) |
| return sizeof(GLushort); |
| else |
| return -1; |
| case GL_UNSIGNED_INT_8_8_8_8: |
| case GL_UNSIGNED_INT_8_8_8_8_REV: |
| case GL_UNSIGNED_INT_10_10_10_2: |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT || |
| format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) |
| return sizeof(GLuint); |
| else |
| return -1; |
| case GL_UNSIGNED_SHORT_8_8_MESA: |
| case GL_UNSIGNED_SHORT_8_8_REV_MESA: |
| if (format == GL_YCBCR_MESA) |
| return sizeof(GLushort); |
| else |
| return -1; |
| case GL_UNSIGNED_INT_24_8_EXT: |
| if (format == GL_DEPTH_STENCIL_EXT) |
| return sizeof(GLuint); |
| else |
| return -1; |
| case GL_UNSIGNED_INT_5_9_9_9_REV: |
| if (format == GL_RGB) |
| return sizeof(GLuint); |
| else |
| return -1; |
| case GL_UNSIGNED_INT_10F_11F_11F_REV: |
| if (format == GL_RGB) |
| return sizeof(GLuint); |
| else |
| return -1; |
| case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: |
| if (format == GL_DEPTH_STENCIL) |
| return 8; |
| else |
| return -1; |
| default: |
| return -1; |
| } |
| } |
| |
| |
| /** |
| * Test if the given format is an integer (non-normalized) format. |
| */ |
| GLboolean |
| _mesa_is_enum_format_integer(GLenum format) |
| { |
| switch (format) { |
| /* generic integer formats */ |
| case GL_RED_INTEGER_EXT: |
| case GL_GREEN_INTEGER_EXT: |
| case GL_BLUE_INTEGER_EXT: |
| case GL_ALPHA_INTEGER_EXT: |
| case GL_RGB_INTEGER_EXT: |
| case GL_RGBA_INTEGER_EXT: |
| case GL_BGR_INTEGER_EXT: |
| case GL_BGRA_INTEGER_EXT: |
| case GL_LUMINANCE_INTEGER_EXT: |
| case GL_LUMINANCE_ALPHA_INTEGER_EXT: |
| case GL_RG_INTEGER: |
| /* specific integer formats */ |
| case GL_RGBA32UI_EXT: |
| case GL_RGB32UI_EXT: |
| case GL_RG32UI: |
| case GL_R32UI: |
| case GL_ALPHA32UI_EXT: |
| case GL_INTENSITY32UI_EXT: |
| case GL_LUMINANCE32UI_EXT: |
| case GL_LUMINANCE_ALPHA32UI_EXT: |
| case GL_RGBA16UI_EXT: |
| case GL_RGB16UI_EXT: |
| case GL_RG16UI: |
| case GL_R16UI: |
| case GL_ALPHA16UI_EXT: |
| case GL_INTENSITY16UI_EXT: |
| case GL_LUMINANCE16UI_EXT: |
| case GL_LUMINANCE_ALPHA16UI_EXT: |
| case GL_RGBA8UI_EXT: |
| case GL_RGB8UI_EXT: |
| case GL_RG8UI: |
| case GL_R8UI: |
| case GL_ALPHA8UI_EXT: |
| case GL_INTENSITY8UI_EXT: |
| case GL_LUMINANCE8UI_EXT: |
| case GL_LUMINANCE_ALPHA8UI_EXT: |
| case GL_RGBA32I_EXT: |
| case GL_RGB32I_EXT: |
| case GL_RG32I: |
| case GL_R32I: |
| case GL_ALPHA32I_EXT: |
| case GL_INTENSITY32I_EXT: |
| case GL_LUMINANCE32I_EXT: |
| case GL_LUMINANCE_ALPHA32I_EXT: |
| case GL_RGBA16I_EXT: |
| case GL_RGB16I_EXT: |
| case GL_RG16I: |
| case GL_R16I: |
| case GL_ALPHA16I_EXT: |
| case GL_INTENSITY16I_EXT: |
| case GL_LUMINANCE16I_EXT: |
| case GL_LUMINANCE_ALPHA16I_EXT: |
| case GL_RGBA8I_EXT: |
| case GL_RGB8I_EXT: |
| case GL_RG8I: |
| case GL_R8I: |
| case GL_ALPHA8I_EXT: |
| case GL_INTENSITY8I_EXT: |
| case GL_LUMINANCE8I_EXT: |
| case GL_LUMINANCE_ALPHA8I_EXT: |
| case GL_RGB10_A2UI: |
| return GL_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if the given type is an integer (non-normalized) format. |
| */ |
| GLboolean |
| _mesa_is_type_integer(GLenum type) |
| { |
| switch (type) { |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| return GL_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if the given format or type is an integer (non-normalized) format. |
| */ |
| extern GLboolean |
| _mesa_is_enum_format_or_type_integer(GLenum format, GLenum type) |
| { |
| return _mesa_is_enum_format_integer(format) || _mesa_is_type_integer(type); |
| } |
| |
| |
| GLboolean |
| _mesa_is_type_unsigned(GLenum type) |
| { |
| switch (type) { |
| case GL_UNSIGNED_INT: |
| case GL_UNSIGNED_INT_8_8_8_8: |
| case GL_UNSIGNED_INT_8_8_8_8_REV: |
| case GL_UNSIGNED_INT_10_10_10_2: |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| |
| case GL_UNSIGNED_SHORT: |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| case GL_UNSIGNED_SHORT_5_6_5: |
| case GL_UNSIGNED_SHORT_5_6_5_REV: |
| case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| case GL_UNSIGNED_SHORT_8_8_MESA: |
| case GL_UNSIGNED_SHORT_8_8_REV_MESA: |
| |
| case GL_UNSIGNED_BYTE: |
| case GL_UNSIGNED_BYTE_3_3_2: |
| case GL_UNSIGNED_BYTE_2_3_3_REV: |
| return GL_TRUE; |
| |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if the given image format is a color/RGBA format (i.e., not color |
| * index, depth, stencil, etc). |
| * \param format the image format value (may by an internal texture format) |
| * \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise. |
| */ |
| GLboolean |
| _mesa_is_color_format(GLenum format) |
| { |
| switch (format) { |
| case GL_RED: |
| case GL_GREEN: |
| case GL_BLUE: |
| case GL_ALPHA: |
| case GL_ALPHA4: |
| case GL_ALPHA8: |
| case GL_ALPHA12: |
| case GL_ALPHA16: |
| case 1: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE4: |
| case GL_LUMINANCE8: |
| case GL_LUMINANCE12: |
| case GL_LUMINANCE16: |
| 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: |
| case GL_INTENSITY: |
| case GL_INTENSITY4: |
| case GL_INTENSITY8: |
| case GL_INTENSITY12: |
| case GL_INTENSITY16: |
| case GL_R8: |
| case GL_R16: |
| case GL_RG: |
| case GL_RG8: |
| case GL_RG16: |
| case 3: |
| case GL_RGB: |
| case GL_BGR: |
| case GL_R3_G3_B2: |
| case GL_RGB4: |
| case GL_RGB5: |
| case GL_RGB565: |
| case GL_RGB8: |
| case GL_RGB10: |
| case GL_RGB12: |
| case GL_RGB16: |
| case 4: |
| case GL_ABGR_EXT: |
| case GL_RGBA: |
| case GL_BGRA: |
| case GL_RGBA2: |
| case GL_RGBA4: |
| case GL_RGB5_A1: |
| case GL_RGBA8: |
| case GL_RGB10_A2: |
| case GL_RGBA12: |
| case GL_RGBA16: |
| /* float texture formats */ |
| case GL_ALPHA16F_ARB: |
| case GL_ALPHA32F_ARB: |
| case GL_LUMINANCE16F_ARB: |
| case GL_LUMINANCE32F_ARB: |
| case GL_LUMINANCE_ALPHA16F_ARB: |
| case GL_LUMINANCE_ALPHA32F_ARB: |
| case GL_INTENSITY16F_ARB: |
| case GL_INTENSITY32F_ARB: |
| case GL_R16F: |
| case GL_R32F: |
| case GL_RG16F: |
| case GL_RG32F: |
| case GL_RGB16F_ARB: |
| case GL_RGB32F_ARB: |
| case GL_RGBA16F_ARB: |
| case GL_RGBA32F_ARB: |
| /* compressed formats */ |
| case GL_COMPRESSED_ALPHA: |
| case GL_COMPRESSED_LUMINANCE: |
| case GL_COMPRESSED_LUMINANCE_ALPHA: |
| case GL_COMPRESSED_INTENSITY: |
| case GL_COMPRESSED_RED: |
| case GL_COMPRESSED_RG: |
| case GL_COMPRESSED_RGB: |
| case GL_COMPRESSED_RGBA: |
| case GL_RGB_S3TC: |
| case GL_RGB4_S3TC: |
| case GL_RGBA_S3TC: |
| case GL_RGBA4_S3TC: |
| case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: |
| case GL_COMPRESSED_RGB_FXT1_3DFX: |
| case GL_COMPRESSED_RGBA_FXT1_3DFX: |
| #if FEATURE_EXT_texture_sRGB |
| case GL_SRGB_EXT: |
| case GL_SRGB8_EXT: |
| case GL_SRGB_ALPHA_EXT: |
| case GL_SRGB8_ALPHA8_EXT: |
| case GL_SLUMINANCE_ALPHA_EXT: |
| case GL_SLUMINANCE8_ALPHA8_EXT: |
| case GL_SLUMINANCE_EXT: |
| case GL_SLUMINANCE8_EXT: |
| case GL_COMPRESSED_SRGB_EXT: |
| case GL_COMPRESSED_SRGB_S3TC_DXT1_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: |
| case GL_COMPRESSED_SLUMINANCE_EXT: |
| case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: |
| #endif /* FEATURE_EXT_texture_sRGB */ |
| case GL_COMPRESSED_RED_RGTC1: |
| case GL_COMPRESSED_SIGNED_RED_RGTC1: |
| case GL_COMPRESSED_RG_RGTC2: |
| case GL_COMPRESSED_SIGNED_RG_RGTC2: |
| case GL_COMPRESSED_LUMINANCE_LATC1_EXT: |
| case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT: |
| case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT: |
| case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT: |
| case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI: |
| case GL_ETC1_RGB8_OES: |
| /* generic integer formats */ |
| case GL_RED_INTEGER_EXT: |
| case GL_GREEN_INTEGER_EXT: |
| case GL_BLUE_INTEGER_EXT: |
| case GL_ALPHA_INTEGER_EXT: |
| case GL_RGB_INTEGER_EXT: |
| case GL_RGBA_INTEGER_EXT: |
| case GL_BGR_INTEGER_EXT: |
| case GL_BGRA_INTEGER_EXT: |
| case GL_RG_INTEGER: |
| case GL_LUMINANCE_INTEGER_EXT: |
| case GL_LUMINANCE_ALPHA_INTEGER_EXT: |
| /* sized integer formats */ |
| case GL_RGBA32UI_EXT: |
| case GL_RGB32UI_EXT: |
| case GL_RG32UI: |
| case GL_R32UI: |
| case GL_ALPHA32UI_EXT: |
| case GL_INTENSITY32UI_EXT: |
| case GL_LUMINANCE32UI_EXT: |
| case GL_LUMINANCE_ALPHA32UI_EXT: |
| case GL_RGBA16UI_EXT: |
| case GL_RGB16UI_EXT: |
| case GL_RG16UI: |
| case GL_R16UI: |
| case GL_ALPHA16UI_EXT: |
| case GL_INTENSITY16UI_EXT: |
| case GL_LUMINANCE16UI_EXT: |
| case GL_LUMINANCE_ALPHA16UI_EXT: |
| case GL_RGBA8UI_EXT: |
| case GL_RGB8UI_EXT: |
| case GL_RG8UI: |
| case GL_R8UI: |
| case GL_ALPHA8UI_EXT: |
| case GL_INTENSITY8UI_EXT: |
| case GL_LUMINANCE8UI_EXT: |
| case GL_LUMINANCE_ALPHA8UI_EXT: |
| case GL_RGBA32I_EXT: |
| case GL_RGB32I_EXT: |
| case GL_RG32I: |
| case GL_R32I: |
| case GL_ALPHA32I_EXT: |
| case GL_INTENSITY32I_EXT: |
| case GL_LUMINANCE32I_EXT: |
| case GL_LUMINANCE_ALPHA32I_EXT: |
| case GL_RGBA16I_EXT: |
| case GL_RGB16I_EXT: |
| case GL_RG16I: |
| case GL_R16I: |
| case GL_ALPHA16I_EXT: |
| case GL_INTENSITY16I_EXT: |
| case GL_LUMINANCE16I_EXT: |
| case GL_LUMINANCE_ALPHA16I_EXT: |
| case GL_RGBA8I_EXT: |
| case GL_RGB8I_EXT: |
| case GL_RG8I: |
| case GL_R8I: |
| case GL_ALPHA8I_EXT: |
| case GL_INTENSITY8I_EXT: |
| case GL_LUMINANCE8I_EXT: |
| case GL_LUMINANCE_ALPHA8I_EXT: |
| /* signed, normalized texture formats */ |
| case GL_RED_SNORM: |
| case GL_R8_SNORM: |
| case GL_R16_SNORM: |
| case GL_RG_SNORM: |
| case GL_RG8_SNORM: |
| case GL_RG16_SNORM: |
| case GL_RGB_SNORM: |
| case GL_RGB8_SNORM: |
| case GL_RGB16_SNORM: |
| case GL_RGBA_SNORM: |
| case GL_RGBA8_SNORM: |
| case GL_RGBA16_SNORM: |
| case GL_ALPHA_SNORM: |
| case GL_ALPHA8_SNORM: |
| case GL_ALPHA16_SNORM: |
| case GL_LUMINANCE_SNORM: |
| case GL_LUMINANCE8_SNORM: |
| case GL_LUMINANCE16_SNORM: |
| case GL_LUMINANCE_ALPHA_SNORM: |
| case GL_LUMINANCE8_ALPHA8_SNORM: |
| case GL_LUMINANCE16_ALPHA16_SNORM: |
| case GL_INTENSITY_SNORM: |
| case GL_INTENSITY8_SNORM: |
| case GL_INTENSITY16_SNORM: |
| case GL_RGB9_E5: |
| case GL_R11F_G11F_B10F: |
| case GL_RGB10_A2UI: |
| return GL_TRUE; |
| case GL_YCBCR_MESA: /* not considered to be RGB */ |
| /* fall-through */ |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if the given image format is a depth component format. |
| */ |
| GLboolean |
| _mesa_is_depth_format(GLenum format) |
| { |
| switch (format) { |
| case GL_DEPTH_COMPONENT: |
| case GL_DEPTH_COMPONENT16: |
| case GL_DEPTH_COMPONENT24: |
| case GL_DEPTH_COMPONENT32: |
| case GL_DEPTH_COMPONENT32F: |
| return GL_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if the given image format is a stencil format. |
| */ |
| GLboolean |
| _mesa_is_stencil_format(GLenum format) |
| { |
| switch (format) { |
| case GL_STENCIL_INDEX: |
| return GL_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if the given image format is a YCbCr format. |
| */ |
| GLboolean |
| _mesa_is_ycbcr_format(GLenum format) |
| { |
| switch (format) { |
| case GL_YCBCR_MESA: |
| return GL_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if the given image format is a depth+stencil format. |
| */ |
| GLboolean |
| _mesa_is_depthstencil_format(GLenum format) |
| { |
| switch (format) { |
| case GL_DEPTH24_STENCIL8_EXT: |
| case GL_DEPTH_STENCIL_EXT: |
| case GL_DEPTH32F_STENCIL8: |
| return GL_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if the given image format is a depth or stencil format. |
| */ |
| GLboolean |
| _mesa_is_depth_or_stencil_format(GLenum format) |
| { |
| switch (format) { |
| case GL_DEPTH_COMPONENT: |
| case GL_DEPTH_COMPONENT16: |
| case GL_DEPTH_COMPONENT24: |
| case GL_DEPTH_COMPONENT32: |
| case GL_STENCIL_INDEX: |
| case GL_STENCIL_INDEX1_EXT: |
| case GL_STENCIL_INDEX4_EXT: |
| case GL_STENCIL_INDEX8_EXT: |
| case GL_STENCIL_INDEX16_EXT: |
| case GL_DEPTH_STENCIL_EXT: |
| case GL_DEPTH24_STENCIL8_EXT: |
| case GL_DEPTH_COMPONENT32F: |
| case GL_DEPTH32F_STENCIL8: |
| return GL_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if the given image format is a dudv format. |
| */ |
| GLboolean |
| _mesa_is_dudv_format(GLenum format) |
| { |
| switch (format) { |
| case GL_DUDV_ATI: |
| case GL_DU8DV8_ATI: |
| return GL_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test if an image format is a supported compressed format. |
| * \param format the internal format token provided by the user. |
| * \return GL_TRUE if compressed, GL_FALSE if uncompressed |
| */ |
| GLboolean |
| _mesa_is_compressed_format(struct gl_context *ctx, GLenum format) |
| { |
| switch (format) { |
| case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: |
| return ctx->Extensions.EXT_texture_compression_s3tc; |
| case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.EXT_texture_compression_s3tc; |
| case GL_RGB_S3TC: |
| case GL_RGB4_S3TC: |
| case GL_RGBA_S3TC: |
| case GL_RGBA4_S3TC: |
| return _mesa_is_desktop_gl(ctx) && ctx->Extensions.S3_s3tc; |
| case GL_COMPRESSED_SRGB_S3TC_DXT1_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 _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.EXT_texture_sRGB |
| && ctx->Extensions.EXT_texture_compression_s3tc; |
| case GL_COMPRESSED_RGB_FXT1_3DFX: |
| case GL_COMPRESSED_RGBA_FXT1_3DFX: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.TDFX_texture_compression_FXT1; |
| case GL_COMPRESSED_RED_RGTC1: |
| case GL_COMPRESSED_SIGNED_RED_RGTC1: |
| case GL_COMPRESSED_RG_RGTC2: |
| case GL_COMPRESSED_SIGNED_RG_RGTC2: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.ARB_texture_compression_rgtc; |
| case GL_COMPRESSED_LUMINANCE_LATC1_EXT: |
| case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT: |
| case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT: |
| case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT: |
| return ctx->API == API_OPENGL |
| && ctx->Extensions.EXT_texture_compression_latc; |
| case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI: |
| return ctx->API == API_OPENGL |
| && ctx->Extensions.ATI_texture_compression_3dc; |
| case GL_ETC1_RGB8_OES: |
| return _mesa_is_gles(ctx) |
| && ctx->Extensions.OES_compressed_ETC1_RGB8_texture; |
| #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: |
| return ctx->API == API_OPENGLES; |
| #endif |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Convert various base formats to the cooresponding integer format. |
| */ |
| GLenum |
| _mesa_base_format_to_integer_format(GLenum format) |
| { |
| switch(format) { |
| case GL_RED: |
| return GL_RED_INTEGER; |
| case GL_GREEN: |
| return GL_GREEN_INTEGER; |
| case GL_BLUE: |
| return GL_BLUE_INTEGER; |
| case GL_RG: |
| return GL_RG_INTEGER; |
| case GL_RGB: |
| return GL_RGB_INTEGER; |
| case GL_RGBA: |
| return GL_RGBA_INTEGER; |
| case GL_BGR: |
| return GL_BGR_INTEGER; |
| case GL_BGRA: |
| return GL_BGRA_INTEGER; |
| case GL_ALPHA: |
| return GL_ALPHA_INTEGER; |
| case GL_LUMINANCE: |
| return GL_LUMINANCE_INTEGER_EXT; |
| case GL_LUMINANCE_ALPHA: |
| return GL_LUMINANCE_ALPHA_INTEGER_EXT; |
| } |
| |
| return format; |
| } |
| |
| |
| /** |
| * Does the given base texture/renderbuffer format have the channel |
| * named by 'pname'? |
| */ |
| GLboolean |
| _mesa_base_format_has_channel(GLenum base_format, GLenum pname) |
| { |
| switch (pname) { |
| case GL_TEXTURE_RED_SIZE: |
| case GL_TEXTURE_RED_TYPE: |
| case GL_RENDERBUFFER_RED_SIZE_EXT: |
| case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE: |
| if (base_format == GL_RED || |
| base_format == GL_RG || |
| base_format == GL_RGB || |
| base_format == GL_RGBA) { |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| case GL_TEXTURE_GREEN_SIZE: |
| case GL_TEXTURE_GREEN_TYPE: |
| case GL_RENDERBUFFER_GREEN_SIZE_EXT: |
| case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE: |
| if (base_format == GL_RG || |
| base_format == GL_RGB || |
| base_format == GL_RGBA) { |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| case GL_TEXTURE_BLUE_SIZE: |
| case GL_TEXTURE_BLUE_TYPE: |
| case GL_RENDERBUFFER_BLUE_SIZE_EXT: |
| case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: |
| if (base_format == GL_RGB || |
| base_format == GL_RGBA) { |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| case GL_TEXTURE_ALPHA_SIZE: |
| case GL_TEXTURE_ALPHA_TYPE: |
| case GL_RENDERBUFFER_ALPHA_SIZE_EXT: |
| case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: |
| if (base_format == GL_RGBA || |
| base_format == GL_ALPHA || |
| base_format == GL_LUMINANCE_ALPHA) { |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| case GL_TEXTURE_LUMINANCE_SIZE: |
| case GL_TEXTURE_LUMINANCE_TYPE: |
| if (base_format == GL_LUMINANCE || |
| base_format == GL_LUMINANCE_ALPHA) { |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| case GL_TEXTURE_INTENSITY_SIZE: |
| case GL_TEXTURE_INTENSITY_TYPE: |
| if (base_format == GL_INTENSITY) { |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| case GL_TEXTURE_DEPTH_SIZE: |
| case GL_TEXTURE_DEPTH_TYPE: |
| case GL_RENDERBUFFER_DEPTH_SIZE_EXT: |
| case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE: |
| if (base_format == GL_DEPTH_STENCIL || |
| base_format == GL_DEPTH_COMPONENT) { |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| case GL_RENDERBUFFER_STENCIL_SIZE_EXT: |
| case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE: |
| if (base_format == GL_DEPTH_STENCIL || |
| base_format == GL_STENCIL_INDEX) { |
| return GL_TRUE; |
| } |
| return GL_FALSE; |
| default: |
| _mesa_warning(NULL, "%s: Unexpected channel token 0x%x\n", |
| __FUNCTION__, pname); |
| return GL_FALSE; |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * If format is a generic compressed format, return the corresponding |
| * non-compressed format. For other formats, return the format as-is. |
| */ |
| GLenum |
| _mesa_generic_compressed_format_to_uncompressed_format(GLenum format) |
| { |
| switch (format) { |
| case GL_COMPRESSED_RED: |
| return GL_RED; |
| case GL_COMPRESSED_RG: |
| return GL_RG; |
| case GL_COMPRESSED_RGB: |
| return GL_RGB; |
| case GL_COMPRESSED_RGBA: |
| return GL_RGBA; |
| 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; |
| /* sRGB formats */ |
| case GL_COMPRESSED_SRGB: |
| return GL_SRGB; |
| case GL_COMPRESSED_SRGB_ALPHA: |
| return GL_SRGB_ALPHA; |
| case GL_COMPRESSED_SLUMINANCE: |
| return GL_SLUMINANCE; |
| case GL_COMPRESSED_SLUMINANCE_ALPHA: |
| return GL_SLUMINANCE_ALPHA; |
| default: |
| return format; |
| } |
| } |
| |
| |
| /** |
| * Do error checking of format/type combinations for glReadPixels, |
| * glDrawPixels and glTex[Sub]Image. Note that depending on the format |
| * and type values, we may either generate GL_INVALID_OPERATION or |
| * GL_INVALID_ENUM. |
| * |
| * \param format pixel format. |
| * \param type pixel type. |
| * |
| * \return GL_INVALID_ENUM, GL_INVALID_OPERATION or GL_NO_ERROR |
| */ |
| GLenum |
| _mesa_error_check_format_and_type(const struct gl_context *ctx, |
| GLenum format, GLenum type) |
| { |
| /* special type-based checks (see glReadPixels, glDrawPixels error lists) */ |
| switch (type) { |
| case GL_BITMAP: |
| if (format != GL_COLOR_INDEX && format != GL_STENCIL_INDEX) { |
| return GL_INVALID_ENUM; |
| } |
| break; |
| |
| case GL_UNSIGNED_BYTE_3_3_2: |
| case GL_UNSIGNED_BYTE_2_3_3_REV: |
| case GL_UNSIGNED_SHORT_5_6_5: |
| case GL_UNSIGNED_SHORT_5_6_5_REV: |
| if (format == GL_RGB) { |
| break; /* OK */ |
| } |
| if (format == GL_RGB_INTEGER_EXT && |
| ctx->Extensions.ARB_texture_rgb10_a2ui) { |
| break; /* OK */ |
| } |
| return GL_INVALID_OPERATION; |
| |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| case GL_UNSIGNED_INT_8_8_8_8: |
| case GL_UNSIGNED_INT_8_8_8_8_REV: |
| case GL_UNSIGNED_INT_10_10_10_2: |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| if (format == GL_RGBA || |
| format == GL_BGRA || |
| format == GL_ABGR_EXT) { |
| break; /* OK */ |
| } |
| if ((format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) && |
| ctx->Extensions.ARB_texture_rgb10_a2ui) { |
| break; /* OK */ |
| } |
| return GL_INVALID_OPERATION; |
| |
| case GL_UNSIGNED_INT_24_8: |
| if (!ctx->Extensions.EXT_packed_depth_stencil) { |
| return GL_INVALID_ENUM; |
| } |
| if (format != GL_DEPTH_STENCIL) { |
| return GL_INVALID_OPERATION; |
| } |
| return GL_NO_ERROR; |
| |
| case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: |
| if (!ctx->Extensions.ARB_depth_buffer_float) { |
| return GL_INVALID_ENUM; |
| } |
| if (format != GL_DEPTH_STENCIL) { |
| return GL_INVALID_OPERATION; |
| } |
| return GL_NO_ERROR; |
| |
| case GL_UNSIGNED_INT_10F_11F_11F_REV: |
| if (!ctx->Extensions.EXT_packed_float) { |
| return GL_INVALID_ENUM; |
| } |
| if (format != GL_RGB) { |
| return GL_INVALID_OPERATION; |
| } |
| return GL_NO_ERROR; |
| |
| default: |
| ; /* fall-through */ |
| } |
| |
| /* now, for each format, check the type for compatibility */ |
| switch (format) { |
| case GL_COLOR_INDEX: |
| case GL_STENCIL_INDEX: |
| switch (type) { |
| case GL_BITMAP: |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| case GL_FLOAT: |
| return GL_NO_ERROR; |
| case GL_HALF_FLOAT: |
| return ctx->Extensions.ARB_half_float_pixel |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_RED: |
| case GL_GREEN: |
| case GL_BLUE: |
| case GL_ALPHA: |
| #if 0 /* not legal! see table 3.6 of the 1.5 spec */ |
| case GL_INTENSITY: |
| #endif |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_ALPHA: |
| case GL_DEPTH_COMPONENT: |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| case GL_FLOAT: |
| return GL_NO_ERROR; |
| case GL_HALF_FLOAT: |
| return ctx->Extensions.ARB_half_float_pixel |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_RG: |
| if (!ctx->Extensions.ARB_texture_rg) |
| return GL_INVALID_ENUM; |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| case GL_FLOAT: |
| return GL_NO_ERROR; |
| case GL_HALF_FLOAT: |
| return ctx->Extensions.ARB_half_float_pixel |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_RGB: |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| case GL_FLOAT: |
| case GL_UNSIGNED_BYTE_3_3_2: |
| case GL_UNSIGNED_BYTE_2_3_3_REV: |
| case GL_UNSIGNED_SHORT_5_6_5: |
| case GL_UNSIGNED_SHORT_5_6_5_REV: |
| return GL_NO_ERROR; |
| case GL_HALF_FLOAT: |
| return ctx->Extensions.ARB_half_float_pixel |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| case GL_UNSIGNED_INT_5_9_9_9_REV: |
| return ctx->Extensions.EXT_texture_shared_exponent |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| case GL_UNSIGNED_INT_10F_11F_11F_REV: |
| return ctx->Extensions.EXT_packed_float |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_BGR: |
| switch (type) { |
| /* NOTE: no packed types are supported with BGR. That's |
| * intentional, according to the GL spec. |
| */ |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| case GL_FLOAT: |
| return GL_NO_ERROR; |
| case GL_HALF_FLOAT: |
| return ctx->Extensions.ARB_half_float_pixel |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_RGBA: |
| case GL_BGRA: |
| case GL_ABGR_EXT: |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| case GL_FLOAT: |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| case GL_UNSIGNED_INT_8_8_8_8: |
| case GL_UNSIGNED_INT_8_8_8_8_REV: |
| case GL_UNSIGNED_INT_10_10_10_2: |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| return GL_NO_ERROR; |
| case GL_HALF_FLOAT: |
| return ctx->Extensions.ARB_half_float_pixel |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_YCBCR_MESA: |
| if (!ctx->Extensions.MESA_ycbcr_texture) |
| return GL_INVALID_ENUM; |
| if (type == GL_UNSIGNED_SHORT_8_8_MESA || |
| type == GL_UNSIGNED_SHORT_8_8_REV_MESA) |
| return GL_NO_ERROR; |
| else |
| return GL_INVALID_OPERATION; |
| |
| case GL_DEPTH_STENCIL_EXT: |
| if (ctx->Extensions.EXT_packed_depth_stencil && |
| type == GL_UNSIGNED_INT_24_8) |
| return GL_NO_ERROR; |
| else if (ctx->Extensions.ARB_depth_buffer_float && |
| type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV) |
| return GL_NO_ERROR; |
| else |
| return GL_INVALID_ENUM; |
| |
| case GL_DUDV_ATI: |
| case GL_DU8DV8_ATI: |
| if (!ctx->Extensions.ATI_envmap_bumpmap) |
| return GL_INVALID_ENUM; |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| case GL_FLOAT: |
| return GL_NO_ERROR; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| /* integer-valued formats */ |
| case GL_RED_INTEGER_EXT: |
| case GL_GREEN_INTEGER_EXT: |
| case GL_BLUE_INTEGER_EXT: |
| case GL_ALPHA_INTEGER_EXT: |
| case GL_RG_INTEGER: |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| return (ctx->Version >= 30 || |
| ctx->Extensions.EXT_texture_integer) |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_RGB_INTEGER_EXT: |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| return (ctx->Version >= 30 || |
| ctx->Extensions.EXT_texture_integer) |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| case GL_UNSIGNED_BYTE_3_3_2: |
| case GL_UNSIGNED_BYTE_2_3_3_REV: |
| case GL_UNSIGNED_SHORT_5_6_5: |
| case GL_UNSIGNED_SHORT_5_6_5_REV: |
| return ctx->Extensions.ARB_texture_rgb10_a2ui |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_BGR_INTEGER_EXT: |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| /* NOTE: no packed formats w/ BGR format */ |
| return (ctx->Version >= 30 || |
| ctx->Extensions.EXT_texture_integer) |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_RGBA_INTEGER_EXT: |
| case GL_BGRA_INTEGER_EXT: |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| return (ctx->Version >= 30 || |
| ctx->Extensions.EXT_texture_integer) |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| case GL_UNSIGNED_INT_8_8_8_8: |
| case GL_UNSIGNED_INT_8_8_8_8_REV: |
| case GL_UNSIGNED_INT_10_10_10_2: |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| return ctx->Extensions.ARB_texture_rgb10_a2ui |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| case GL_LUMINANCE_INTEGER_EXT: |
| case GL_LUMINANCE_ALPHA_INTEGER_EXT: |
| switch (type) { |
| case GL_BYTE: |
| case GL_UNSIGNED_BYTE: |
| case GL_SHORT: |
| case GL_UNSIGNED_SHORT: |
| case GL_INT: |
| case GL_UNSIGNED_INT: |
| return ctx->Extensions.EXT_texture_integer |
| ? GL_NO_ERROR : GL_INVALID_ENUM; |
| default: |
| return GL_INVALID_ENUM; |
| } |
| |
| default: |
| return GL_INVALID_ENUM; |
| } |
| return GL_NO_ERROR; |
| } |
