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mesa: move some format helper functions to glformats.c

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This commit is contained in:
Brian Paul 2012-07-22 11:03:13 -06:00
parent de3335dba8
commit 8b762ebd72
8 changed files with 425 additions and 421 deletions
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1
src/mesa/drivers/common/meta.c
View file

@ -46,6 +46,7 @@
#include "main/fbobject.h"
#include "main/feedback.h"
#include "main/formats.h"
#include "main/glformats.h"
#include "main/image.h"
#include "main/macros.h"
#include "main/matrix.h"

2
src/mesa/drivers/dri/intel/intel_mipmap_tree.c
View file

@ -37,7 +37,7 @@
#include "main/enums.h"
#include "main/formats.h"
#include "main/image.h"
#include "main/glformats.h"
#include "main/texcompress_etc.h"
#include "main/teximage.h"

398
src/mesa/main/glformats.c
View file

@ -24,7 +24,7 @@
*/
#include "imports.h"
#include "context.h"
#include "glformats.h"
@ -165,6 +165,402 @@ _mesa_is_type_unsigned(GLenum type)
}
/**
* 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:
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
return ctx->Extensions.EXT_texture_compression_s3tc;
case GL_RGB_S3TC:
case GL_RGB4_S3TC:
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
return 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 ctx->Extensions.EXT_texture_sRGB
&& ctx->Extensions.EXT_texture_compression_s3tc;
case GL_COMPRESSED_RGB_FXT1_3DFX:
case GL_COMPRESSED_RGBA_FXT1_3DFX:
return 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 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->Extensions.EXT_texture_compression_latc;
case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
return ctx->Extensions.ATI_texture_compression_3dc;
case GL_ETC1_RGB8_OES:
return 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.
*/

24
src/mesa/main/glformats.h
View file

@ -46,6 +46,30 @@ _mesa_is_enum_format_integer(GLenum format);
extern GLboolean
_mesa_is_enum_format_or_type_integer(GLenum format, GLenum type);
extern GLboolean
_mesa_is_color_format(GLenum format);
extern GLboolean
_mesa_is_depth_format(GLenum format);
extern GLboolean
_mesa_is_stencil_format(GLenum format);
extern GLboolean
_mesa_is_ycbcr_format(GLenum format);
extern GLboolean
_mesa_is_depthstencil_format(GLenum format);
extern GLboolean
_mesa_is_depth_or_stencil_format(GLenum format);
extern GLboolean
_mesa_is_dudv_format(GLenum format);
extern GLboolean
_mesa_is_compressed_format(struct gl_context *ctx, GLenum format);
extern GLenum
_mesa_base_format_to_integer_format(GLenum format);

395
src/mesa/main/image.c
View file

@ -722,401 +722,6 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx,
}
/**
* 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:
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
return ctx->Extensions.EXT_texture_compression_s3tc;
case GL_RGB_S3TC:
case GL_RGB4_S3TC:
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
return 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 ctx->Extensions.EXT_texture_sRGB
&& ctx->Extensions.EXT_texture_compression_s3tc;
case GL_COMPRESSED_RGB_FXT1_3DFX:
case GL_COMPRESSED_RGBA_FXT1_3DFX:
return 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 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->Extensions.EXT_texture_compression_latc;
case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
return ctx->Extensions.ATI_texture_compression_3dc;
case GL_ETC1_RGB8_OES:
return 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;
}
}
/**
* Does the given base texture/renderbuffer format have the channel

24
src/mesa/main/image.h
View file

@ -57,30 +57,6 @@ extern GLenum
_mesa_error_check_format_and_type(const struct gl_context *ctx,
GLenum format, GLenum type);
extern GLboolean
_mesa_is_color_format(GLenum format);
extern GLboolean
_mesa_is_depth_format(GLenum format);
extern GLboolean
_mesa_is_stencil_format(GLenum format);
extern GLboolean
_mesa_is_ycbcr_format(GLenum format);
extern GLboolean
_mesa_is_depthstencil_format(GLenum format);
extern GLboolean
_mesa_is_depth_or_stencil_format(GLenum format);
extern GLboolean
_mesa_is_dudv_format(GLenum format);
extern GLboolean
_mesa_is_compressed_format(struct gl_context *ctx, GLenum format);
extern GLboolean
_mesa_base_format_has_channel(GLenum base_format, GLenum pname);

1
src/mesa/main/texgetimage.c
View file

@ -35,6 +35,7 @@
#include "context.h"
#include "formats.h"
#include "format_unpack.h"
#include "glformats.h"
#include "image.h"
#include "mfeatures.h"
#include "mtypes.h"

1
src/mesa/state_tracker/st_format.c
View file

@ -34,6 +34,7 @@
#include "main/imports.h"
#include "main/context.h"
#include "main/glformats.h"
#include "main/texstore.h"
#include "main/image.h"
#include "main/macros.h"