0,0 → 1,2115 |
/* |
* 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 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. |
*/ |
|
|
#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 || |
format == GL_RGB) |
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; |
} |
} |
|
|
/** |
* Get the number of bytes for a vertex attrib with the given number of |
* components and type. |
* |
* \param comps number of components. |
* \param type data type. |
* |
* \return bytes per attribute, or -1 if a bad comps/type combination was given. |
*/ |
GLint |
_mesa_bytes_per_vertex_attrib(GLint comps, GLenum type) |
{ |
switch (type) { |
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_DOUBLE: |
return comps * sizeof(GLdouble); |
case GL_FIXED: |
return comps * sizeof(GLfixed); |
case GL_INT_2_10_10_10_REV: |
case GL_UNSIGNED_INT_2_10_10_10_REV: |
if (comps == 4) |
return sizeof(GLuint); |
else |
return -1; |
default: |
return -1; |
} |
} |
|
|
/** |
* Test if the given format is an integer (non-normalized) format. |
*/ |
GLboolean |
_mesa_is_enum_format_unsigned_int(GLenum format) |
{ |
switch (format) { |
/* 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_RGB10_A2UI: |
return GL_TRUE; |
default: |
return GL_FALSE; |
} |
} |
|
|
/** |
* Test if the given format is an integer (non-normalized) format. |
*/ |
GLboolean |
_mesa_is_enum_format_signed_int(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_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: |
return GL_TRUE; |
default: |
return GL_FALSE; |
} |
} |
|
|
/** |
* Test if the given format is an integer (non-normalized) format. |
*/ |
GLboolean |
_mesa_is_enum_format_integer(GLenum format) |
{ |
return _mesa_is_enum_format_unsigned_int(format) || |
_mesa_is_enum_format_signed_int(format); |
} |
|
|
/** |
* 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: |
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: |
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: |
case GL_COMPRESSED_RGB8_ETC2: |
case GL_COMPRESSED_SRGB8_ETC2: |
case GL_COMPRESSED_RGBA8_ETC2_EAC: |
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC: |
case GL_COMPRESSED_R11_EAC: |
case GL_COMPRESSED_RG11_EAC: |
case GL_COMPRESSED_SIGNED_R11_EAC: |
case GL_COMPRESSED_SIGNED_RG11_EAC: |
case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2: |
case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2: |
/* 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: |
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: |
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: |
/* Assume that the ANGLE flag will always be set if the EXT flag is set. |
*/ |
return ctx->Extensions.ANGLE_texture_compression_dxt; |
case GL_RGB_S3TC: |
case GL_RGB4_S3TC: |
case GL_RGBA_S3TC: |
case GL_RGBA4_S3TC: |
return _mesa_is_desktop_gl(ctx) && |
ctx->Extensions.ANGLE_texture_compression_dxt; |
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_COMPAT |
&& ctx->Extensions.EXT_texture_compression_latc; |
case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI: |
return ctx->API == API_OPENGL_COMPAT |
&& ctx->Extensions.ATI_texture_compression_3dc; |
case GL_ETC1_RGB8_OES: |
return _mesa_is_gles(ctx) |
&& ctx->Extensions.OES_compressed_ETC1_RGB8_texture; |
case GL_COMPRESSED_RGB8_ETC2: |
case GL_COMPRESSED_SRGB8_ETC2: |
case GL_COMPRESSED_RGBA8_ETC2_EAC: |
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC: |
case GL_COMPRESSED_R11_EAC: |
case GL_COMPRESSED_RG11_EAC: |
case GL_COMPRESSED_SIGNED_R11_EAC: |
case GL_COMPRESSED_SIGNED_RG11_EAC: |
case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2: |
case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2: |
return _mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility; |
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; |
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; |
} |
|
|
/** |
* Returns the number of channels/components for a base format. |
*/ |
GLint |
_mesa_base_format_component_count(GLenum base_format) |
{ |
switch (base_format) { |
case GL_RED: |
case GL_ALPHA: |
case GL_INTENSITY: |
case GL_DEPTH_COMPONENT: |
return 1; |
case GL_RG: |
case GL_LUMINANCE_ALPHA: |
case GL_DEPTH_STENCIL: |
return 2; |
case GL_RGB: |
return 3; |
case GL_RGBA: |
return 4; |
default: |
return -1; |
} |
} |
|
|
/** |
* 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; |
} |
} |
|
|
/** |
* Return the equivalent non-generic internal format. |
* This is useful for comparing whether two internal formats are equivalent. |
*/ |
GLenum |
_mesa_get_nongeneric_internalformat(GLenum format) |
{ |
switch (format) { |
/* GL 1.1 formats. */ |
case 4: |
case GL_RGBA: |
return GL_RGBA8; |
|
case 3: |
case GL_RGB: |
return GL_RGB8; |
|
case 2: |
case GL_LUMINANCE_ALPHA: |
return GL_LUMINANCE8_ALPHA8; |
|
case 1: |
case GL_LUMINANCE: |
return GL_LUMINANCE8; |
|
case GL_ALPHA: |
return GL_ALPHA8; |
|
case GL_INTENSITY: |
return GL_INTENSITY8; |
|
/* GL_ARB_texture_rg */ |
case GL_RED: |
return GL_R8; |
|
case GL_RG: |
return GL_RG8; |
|
/* GL_EXT_texture_sRGB */ |
case GL_SRGB: |
return GL_SRGB8; |
|
case GL_SRGB_ALPHA: |
return GL_SRGB8_ALPHA8; |
|
case GL_SLUMINANCE: |
return GL_SLUMINANCE8; |
|
case GL_SLUMINANCE_ALPHA: |
return GL_SLUMINANCE8_ALPHA8; |
|
/* GL_EXT_texture_snorm */ |
case GL_RGBA_SNORM: |
return GL_RGBA8_SNORM; |
|
case GL_RGB_SNORM: |
return GL_RGB8_SNORM; |
|
case GL_RG_SNORM: |
return GL_RG8_SNORM; |
|
case GL_RED_SNORM: |
return GL_R8_SNORM; |
|
case GL_LUMINANCE_ALPHA_SNORM: |
return GL_LUMINANCE8_ALPHA8_SNORM; |
|
case GL_LUMINANCE_SNORM: |
return GL_LUMINANCE8_SNORM; |
|
case GL_ALPHA_SNORM: |
return GL_ALPHA8_SNORM; |
|
case GL_INTENSITY_SNORM: |
return GL_INTENSITY8_SNORM; |
|
default: |
return format; |
} |
} |
|
|
/** |
* Convert an sRGB internal format to linear. |
*/ |
GLenum |
_mesa_get_linear_internalformat(GLenum format) |
{ |
switch (format) { |
case GL_SRGB: |
return GL_RGB; |
|
case GL_SRGB_ALPHA: |
return GL_RGBA; |
|
case GL_SRGB8: |
return GL_RGB8; |
|
case GL_SRGB8_ALPHA8: |
return GL_RGBA8; |
|
case GL_SLUMINANCE: |
return GL_LUMINANCE8; |
|
case GL_SLUMINANCE_ALPHA: |
return GL_LUMINANCE8_ALPHA8; |
|
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 */ |
} |
if (type == GL_UNSIGNED_INT_2_10_10_10_REV && format == GL_RGB && |
ctx->API == API_OPENGLES2) { |
break; /* OK by GL_EXT_texture_type_2_10_10_10_REV */ |
} |
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_UNSIGNED_INT_2_10_10_10_REV: |
/* OK by GL_EXT_texture_type_2_10_10_10_REV */ |
return (ctx->API == API_OPENGLES2) |
? GL_NO_ERROR : GL_INVALID_ENUM; |
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; |
} |
|
|
/** |
* Do error checking of format/type combinations for OpenGL ES glReadPixels |
* and glTex[Sub]Image. |
* \return error code, or GL_NO_ERROR. |
*/ |
GLenum |
_mesa_es_error_check_format_and_type(GLenum format, GLenum type, |
unsigned dimensions) |
{ |
GLboolean type_valid = GL_TRUE; |
|
switch (format) { |
case GL_ALPHA: |
case GL_LUMINANCE: |
case GL_LUMINANCE_ALPHA: |
type_valid = (type == GL_UNSIGNED_BYTE |
|| type == GL_FLOAT |
|| type == GL_HALF_FLOAT_OES); |
break; |
|
case GL_RGB: |
type_valid = (type == GL_UNSIGNED_BYTE |
|| type == GL_UNSIGNED_SHORT_5_6_5 |
|| type == GL_FLOAT |
|| type == GL_HALF_FLOAT_OES); |
break; |
|
case GL_RGBA: |
type_valid = (type == GL_UNSIGNED_BYTE |
|| type == GL_UNSIGNED_SHORT_4_4_4_4 |
|| type == GL_UNSIGNED_SHORT_5_5_5_1 |
|| type == GL_FLOAT |
|| type == GL_HALF_FLOAT_OES |
|| type == GL_UNSIGNED_INT_2_10_10_10_REV); |
break; |
|
case GL_DEPTH_COMPONENT: |
/* This format is filtered against invalid dimensionalities elsewhere. |
*/ |
type_valid = (type == GL_UNSIGNED_SHORT |
|| type == GL_UNSIGNED_INT); |
break; |
|
case GL_DEPTH_STENCIL: |
/* This format is filtered against invalid dimensionalities elsewhere. |
*/ |
type_valid = (type == GL_UNSIGNED_INT_24_8); |
break; |
|
case GL_BGRA_EXT: |
type_valid = (type == GL_UNSIGNED_BYTE); |
|
/* This feels like a bug in the EXT_texture_format_BGRA8888 spec, but |
* the format does not appear to be allowed for 3D textures in OpenGL |
* ES. |
*/ |
if (dimensions != 2) |
return GL_INVALID_VALUE; |
|
break; |
|
default: |
return GL_INVALID_VALUE; |
} |
|
return type_valid ? GL_NO_ERROR : GL_INVALID_OPERATION; |
} |
|
|
/** |
* Do error checking of format/type combinations for OpenGL ES 3 |
* glTex[Sub]Image. |
* \return error code, or GL_NO_ERROR. |
*/ |
GLenum |
_mesa_es3_error_check_format_and_type(GLenum format, GLenum type, |
GLenum internalFormat) |
{ |
GLboolean type_valid = GL_TRUE; |
|
switch (format) { |
case GL_RGBA: |
switch (type) { |
case GL_UNSIGNED_BYTE: |
switch (internalFormat) { |
case GL_RGBA: |
case GL_RGBA8: |
case GL_RGB5_A1: |
case GL_RGBA4: |
case GL_SRGB8_ALPHA8_EXT: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_BYTE: |
if (internalFormat != GL_RGBA8_SNORM) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_SHORT_4_4_4_4: |
switch (internalFormat) { |
case GL_RGBA: |
case GL_RGBA4: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_UNSIGNED_SHORT_5_5_5_1: |
switch (internalFormat) { |
case GL_RGBA: |
case GL_RGB5_A1: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_UNSIGNED_INT_2_10_10_10_REV: |
switch (internalFormat) { |
case GL_RGBA: /* GL_EXT_texture_type_2_10_10_10_REV */ |
case GL_RGB10_A2: |
case GL_RGB5_A1: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_HALF_FLOAT: |
if (internalFormat != GL_RGBA16F) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_FLOAT: |
switch (internalFormat) { |
case GL_RGBA16F: |
case GL_RGBA32F: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_RGBA_INTEGER: |
switch (type) { |
case GL_UNSIGNED_BYTE: |
if (internalFormat != GL_RGBA8UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_BYTE: |
if (internalFormat != GL_RGBA8I) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_SHORT: |
if (internalFormat != GL_RGBA16UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_SHORT: |
if (internalFormat != GL_RGBA16I) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_INT: |
if (internalFormat != GL_RGBA32UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_INT: |
if (internalFormat != GL_RGBA32I) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_INT_2_10_10_10_REV: |
if (internalFormat != GL_RGB10_A2UI) |
return GL_INVALID_OPERATION; |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_RGB: |
switch (type) { |
case GL_UNSIGNED_BYTE: |
switch (internalFormat) { |
case GL_RGB: |
case GL_RGB8: |
case GL_RGB565: |
case GL_SRGB8: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_BYTE: |
if (internalFormat != GL_RGB8_SNORM) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_SHORT_5_6_5: |
switch (internalFormat) { |
case GL_RGB: |
case GL_RGB565: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_UNSIGNED_INT_10F_11F_11F_REV: |
if (internalFormat != GL_R11F_G11F_B10F) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_INT_5_9_9_9_REV: |
if (internalFormat != GL_RGB9_E5) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_HALF_FLOAT: |
switch (internalFormat) { |
case GL_RGB16F: |
case GL_R11F_G11F_B10F: |
case GL_RGB9_E5: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_FLOAT: |
switch (internalFormat) { |
case GL_RGB16F: |
case GL_RGB32F: |
case GL_R11F_G11F_B10F: |
case GL_RGB9_E5: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_UNSIGNED_INT_2_10_10_10_REV: |
switch (internalFormat) { |
case GL_RGB: /* GL_EXT_texture_type_2_10_10_10_REV */ |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_RGB_INTEGER: |
switch (type) { |
case GL_UNSIGNED_BYTE: |
if (internalFormat != GL_RGB8UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_BYTE: |
if (internalFormat != GL_RGB8I) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_SHORT: |
if (internalFormat != GL_RGB16UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_SHORT: |
if (internalFormat != GL_RGB16I) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_INT: |
if (internalFormat != GL_RGB32UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_INT: |
if (internalFormat != GL_RGB32I) |
return GL_INVALID_OPERATION; |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_RG: |
switch (type) { |
case GL_UNSIGNED_BYTE: |
if (internalFormat != GL_RG8) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_BYTE: |
if (internalFormat != GL_RG8_SNORM) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_HALF_FLOAT: |
if (internalFormat != GL_RG16F) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_FLOAT: |
switch (internalFormat) { |
case GL_RG16F: |
case GL_RG32F: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_RG_INTEGER: |
switch (type) { |
case GL_UNSIGNED_BYTE: |
if (internalFormat != GL_RG8UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_BYTE: |
if (internalFormat != GL_RG8I) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_SHORT: |
if (internalFormat != GL_RG16UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_SHORT: |
if (internalFormat != GL_RG16I) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_INT: |
if (internalFormat != GL_RG32UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_INT: |
if (internalFormat != GL_RG32I) |
return GL_INVALID_OPERATION; |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_RED: |
switch (type) { |
case GL_UNSIGNED_BYTE: |
if (internalFormat != GL_R8) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_BYTE: |
if (internalFormat != GL_R8_SNORM) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_HALF_FLOAT: |
if (internalFormat != GL_R16F) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_FLOAT: |
switch (internalFormat) { |
case GL_R16F: |
case GL_R32F: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_RED_INTEGER: |
switch (type) { |
case GL_UNSIGNED_BYTE: |
if (internalFormat != GL_R8UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_BYTE: |
if (internalFormat != GL_R8I) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_SHORT: |
if (internalFormat != GL_R16UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_SHORT: |
if (internalFormat != GL_R16I) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_INT: |
if (internalFormat != GL_R32UI) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_INT: |
if (internalFormat != GL_R32I) |
return GL_INVALID_OPERATION; |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_DEPTH_COMPONENT: |
switch (type) { |
case GL_UNSIGNED_SHORT: |
if (internalFormat != GL_DEPTH_COMPONENT |
&& internalFormat != GL_DEPTH_COMPONENT16) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_UNSIGNED_INT: |
switch (internalFormat) { |
case GL_DEPTH_COMPONENT: |
case GL_DEPTH_COMPONENT16: |
case GL_DEPTH_COMPONENT24: |
break; |
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_FLOAT: |
if (internalFormat != GL_DEPTH_COMPONENT32F) |
return GL_INVALID_OPERATION; |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_DEPTH_STENCIL: |
switch (type) { |
case GL_UNSIGNED_INT_24_8: |
if (internalFormat != GL_DEPTH_STENCIL |
&& internalFormat != GL_DEPTH24_STENCIL8) |
return GL_INVALID_OPERATION; |
break; |
|
case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: |
if (internalFormat != GL_DEPTH32F_STENCIL8) |
return GL_INVALID_OPERATION; |
break; |
|
default: |
return GL_INVALID_OPERATION; |
} |
break; |
|
case GL_ALPHA: |
case GL_LUMINANCE: |
case GL_LUMINANCE_ALPHA: |
if (type != GL_UNSIGNED_BYTE || format != internalFormat) |
return GL_INVALID_OPERATION; |
break; |
} |
|
return type_valid ? GL_NO_ERROR : GL_INVALID_OPERATION; |
} |