/**
* Choose an appropriate texture format given the format, type and
* internalFormat parameters passed to glTexImage().
*
* \param ctx the GL context.
* \param target a texture target (GL_TEXTURE_x)
* \param internalFormat user's prefered internal texture format.
* \param format incoming image pixel format.
* \param type incoming image data type.
*
* \return the closest gl_format for the given format/type arguments
*
* This is called via dd_function_table::ChooseTextureFormat. Hardware
* drivers may override this function with a specialized version.
*/
gl_format
_mesa_choose_tex_format(struct gl_context *ctx, GLenum target,
GLint internalFormat, GLenum format, GLenum type)
{
(void) format;
switch (internalFormat) {
/* shallow RGBA formats */
case 4:
case GL_RGBA:
if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
} else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
} else if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010);
}
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGBA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGB5_A1:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
break;
case GL_RGBA2:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
break;
case GL_RGBA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
break;
/* deep RGBA formats */
case GL_RGB10_A2:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGBA12:
case GL_RGBA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
/* shallow RGB formats */
case 3:
case GL_RGB:
if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010);
}
/* fallthrough */
case GL_RGB8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_R3_G3_B2:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGB4:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
break;
case GL_RGB5:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
break;
/* deep RGB formats */
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
/* Alpha formats */
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
break;
case GL_ALPHA12:
case GL_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_A16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
break;
/* Luminance formats */
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
break;
case GL_LUMINANCE12:
case GL_LUMINANCE16:
RETURN_IF_SUPPORTED(MESA_FORMAT_L16);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
break;
/* Luminance/Alpha formats */
case GL_LUMINANCE4_ALPHA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL44);
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616);
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
break;
case GL_INTENSITY12:
case GL_INTENSITY16:
RETURN_IF_SUPPORTED(MESA_FORMAT_I16);
RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
break;
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT32:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z32);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8_Z24);
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
break;
case GL_DEPTH_COMPONENT16:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z16);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8_Z24);
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
break;
case GL_COMPRESSED_ALPHA_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
break;
case GL_COMPRESSED_LUMINANCE_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
break;
case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case GL_COMPRESSED_INTENSITY_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
break;
case GL_COMPRESSED_RGB_ARB:
/* We don't use texture compression for 1D and 1D array textures.
* For 1D textures, compressions doesn't buy us much.
* For 1D ARRAY textures, there's complicated issues with updating
* sub-regions on non-block boundaries with glCopyTexSubImage, among
* other issues. FWIW, the GL_EXT_texture_array extension prohibits
* 1D ARRAY textures in S3TC format.
*/
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) {
if (ctx->Extensions.EXT_texture_compression_s3tc ||
ctx->Extensions.ANGLE_texture_compression_dxt)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
if (ctx->Extensions.TDFX_texture_compression_FXT1)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
}
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_COMPRESSED_RGBA_ARB:
/* We don't use texture compression for 1D and 1D array textures. */
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) {
if (ctx->Extensions.EXT_texture_compression_s3tc ||
ctx->Extensions.ANGLE_texture_compression_dxt)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */
if (ctx->Extensions.TDFX_texture_compression_FXT1)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
}
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGB565:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
break;
case GL_YCBCR_MESA:
if (type == GL_UNSIGNED_SHORT_8_8_MESA)
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR);
else
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
break;
/* For non-generic compressed format we assert two things:
*
* 1. The format has already been validated against the set of available
* extensions.
*
* 2. The driver only enables the extension if it supports all of the
* formats that are part of that extension.
*/
case GL_COMPRESSED_RGB_FXT1_3DFX:
return MESA_FORMAT_RGB_FXT1;
case GL_COMPRESSED_RGBA_FXT1_3DFX:
return MESA_FORMAT_RGBA_FXT1;
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL_RGB_S3TC:
case GL_RGB4_S3TC:
return MESA_FORMAT_RGB_DXT1;
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
return MESA_FORMAT_RGBA_DXT1;
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
return MESA_FORMAT_RGBA_DXT3;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
return MESA_FORMAT_RGBA_DXT5;
case GL_COMPRESSED_RED_RGTC1:
return MESA_FORMAT_RED_RGTC1;
case GL_COMPRESSED_SIGNED_RED_RGTC1:
return MESA_FORMAT_SIGNED_RED_RGTC1;
case GL_COMPRESSED_RG_RGTC2:
return MESA_FORMAT_RG_RGTC2;
case GL_COMPRESSED_SIGNED_RG_RGTC2:
return MESA_FORMAT_SIGNED_RG_RGTC2;
case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
return MESA_FORMAT_L_LATC1;
case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
return MESA_FORMAT_SIGNED_L_LATC1;
case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
return MESA_FORMAT_LA_LATC2;
case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
return MESA_FORMAT_SIGNED_LA_LATC2;
case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
return MESA_FORMAT_LA_LATC2;
case GL_ETC1_RGB8_OES:
return MESA_FORMAT_ETC1_RGB8;
case GL_COMPRESSED_RGB8_ETC2:
return MESA_FORMAT_ETC2_RGB8;
case GL_COMPRESSED_SRGB8_ETC2:
return MESA_FORMAT_ETC2_SRGB8;
case GL_COMPRESSED_RGBA8_ETC2_EAC:
return MESA_FORMAT_ETC2_RGBA8_EAC;
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
return MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC;
case GL_COMPRESSED_R11_EAC:
return MESA_FORMAT_ETC2_R11_EAC;
case GL_COMPRESSED_RG11_EAC:
return MESA_FORMAT_ETC2_RG11_EAC;
case GL_COMPRESSED_SIGNED_R11_EAC:
return MESA_FORMAT_ETC2_SIGNED_R11_EAC;
case GL_COMPRESSED_SIGNED_RG11_EAC:
return MESA_FORMAT_ETC2_SIGNED_RG11_EAC;
case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
return MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1;
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
return MESA_FORMAT_SRGB_DXT1;
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
return MESA_FORMAT_SRGBA_DXT1;
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
return MESA_FORMAT_SRGBA_DXT3;
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
return MESA_FORMAT_SRGBA_DXT5;
case GL_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_LUMINANCE16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_LUMINANCE_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_INTENSITY16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_INTENSITY32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGB16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_FLOAT);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGB32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR32323232_FLOAT);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGBA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGBA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGB9_E5:
/* GL_EXT_texture_shared_exponent -- just one format to support */
ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_RGB9_E5_FLOAT]);
return MESA_FORMAT_RGB9_E5_FLOAT;
case GL_R11F_G11F_B10F:
/* GL_EXT_texture_packed_float -- just one format to support */
ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_R11_G11_B10_FLOAT]);
return MESA_FORMAT_R11_G11_B10_FLOAT;
case GL_DEPTH_STENCIL_EXT:
case GL_DEPTH24_STENCIL8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8);
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
break;
case GL_DEPTH_COMPONENT32F:
ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT]);
return MESA_FORMAT_Z32_FLOAT;
case GL_DEPTH32F_STENCIL8:
ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT_X24S8]);
return MESA_FORMAT_Z32_FLOAT_X24S8;
case GL_DUDV_ATI:
case GL_DU8DV8_ATI:
RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8);
break;
case GL_RED_SNORM:
case GL_R8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8);
break;
case GL_RG_SNORM:
case GL_RG8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88_REV);
break;
case GL_RGB_SNORM:
case GL_RGB8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888);
/* FALLTHROUGH */
case GL_RGBA_SNORM:
case GL_RGBA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_ALPHA_SNORM:
case GL_ALPHA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_LUMINANCE_SNORM:
case GL_LUMINANCE8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_LUMINANCE_ALPHA_SNORM:
case GL_LUMINANCE8_ALPHA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL88);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_INTENSITY_SNORM:
case GL_INTENSITY8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_R16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R16);
break;
case GL_RG16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_GR1616);
break;
case GL_RGB16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_SNORM);
/* FALLTHROUGH */
case GL_RGBA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_ALPHA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_LUMINANCE16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L16);
/* FALLTHROUGH */
case GL_LUMINANCE16_ALPHA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL1616);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_INTENSITY16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_SRGB_EXT:
case GL_SRGB8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_SRGB_ALPHA_EXT:
case GL_SRGB8_ALPHA8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_SLUMINANCE_EXT:
case GL_SLUMINANCE8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_SLUMINANCE_ALPHA_EXT:
case GL_SLUMINANCE8_ALPHA8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SLUMINANCE_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_ALPHA_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_ALPHA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_ALPHA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_ALPHA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_ALPHA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_ALPHA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_ALPHA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_LUMINANCE8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_LUMINANCE16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_LUMINANCE32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_LUMINANCE8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_LUMINANCE16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_LUMINANCE32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_LUMINANCE_ALPHA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_LUMINANCE_ALPHA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_LUMINANCE_ALPHA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_LUMINANCE_ALPHA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_LUMINANCE_ALPHA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_LUMINANCE_ALPHA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_INTENSITY8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_INTENSITY16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_INTENSITY32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_INTENSITY8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_INTENSITY16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_INTENSITY32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_RGB8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR8888_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_RGB16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_RGB32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR32323232_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_RGB8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR8888_SINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_RGB16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_SINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_RGB32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR32323232_SINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_RGBA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_RGBA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_RGBA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_RGBA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_RGBA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_RGBA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_R8:
case GL_RED:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8);
break;
case GL_COMPRESSED_RED:
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY)
RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8);
break;
case GL_R16:
RETURN_IF_SUPPORTED(MESA_FORMAT_R16);
break;
case GL_RG:
case GL_RG8:
RETURN_IF_SUPPORTED(MESA_FORMAT_GR88);
break;
case GL_COMPRESSED_RG:
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY)
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2);
RETURN_IF_SUPPORTED(MESA_FORMAT_GR88);
break;
case GL_RG16:
RETURN_IF_SUPPORTED(MESA_FORMAT_GR1616);
break;
case GL_R16F:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_R32F:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RG16F:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RG32F:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_R8UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT8);
break;
case GL_RG8UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT8);
break;
case GL_R16UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT16);
break;
case GL_RG16UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT16);
break;
case GL_R32UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT32);
break;
case GL_RG32UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT32);
break;
case GL_R8I:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT8);
break;
case GL_RG8I:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT8);
break;
case GL_R16I:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT16);
break;
case GL_RG16I:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT16);
break;
case GL_R32I:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT32);
break;
case GL_RG32I:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT32);
break;
case GL_RGB10_A2UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_ABGR2101010_UINT);
break;
case GL_BGRA:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
}
_mesa_problem(ctx, "unexpected format %s in _mesa_choose_tex_format()",
_mesa_lookup_enum_by_nr(internalFormat));
return MESA_FORMAT_NONE;
}
/**
* Choose an appropriate texture format given the format, type and
* internalFormat parameters passed to glTexImage().
*
* \param ctx the GL context.
* \param target a texture target (GL_TEXTURE_x)
* \param internalFormat user's prefered internal texture format.
* \param format incoming image pixel format.
* \param type incoming image data type.
*
* \return the closest mesa_format for the given format/type arguments
*
* This is called via dd_function_table::ChooseTextureFormat. Hardware
* drivers may override this function with a specialized version.
*/
mesa_format
_mesa_choose_tex_format(struct gl_context *ctx, GLenum target,
GLint internalFormat, GLenum format, GLenum type)
{
(void) format;
switch (internalFormat) {
/* shallow RGBA formats */
case 4:
case GL_RGBA:
if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM);
} else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM);
} else if (type == GL_UNSIGNED_SHORT_5_5_5_1) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM);
} else if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
}
/* fallthrough */
case GL_RGBA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_RGB5_A1:
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM);
break;
case GL_RGBA2:
RETURN_IF_SUPPORTED(MESA_FORMAT_A4R4G4B4_UNORM); /* just to test another format*/
RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM);
break;
case GL_RGBA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM);
break;
/* deep RGBA formats */
case GL_RGB10_A2:
RETURN_IF_SUPPORTED(MESA_FORMAT_R10G10B10A2_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_RGBA12:
case GL_RGBA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
/* shallow RGB formats */
case 3:
case GL_RGB:
if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
}
/* fallthrough */
case GL_RGB8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_R3_G3_B2:
RETURN_IF_SUPPORTED(MESA_FORMAT_B2G3R3_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_RGB4:
RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM); /* just to test another format */
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
break;
case GL_RGB5:
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
break;
/* deep RGB formats */
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
/* Alpha formats */
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_ALPHA12:
case GL_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
/* Luminance formats */
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8);
break;
case GL_LUMINANCE12:
case GL_LUMINANCE16:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8);
break;
/* Luminance/Alpha formats */
case GL_LUMINANCE4_ALPHA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_L4A4_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_L16A16_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8);
break;
case GL_INTENSITY12:
case GL_INTENSITY16:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8);
break;
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT32:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM32);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT);
break;
case GL_DEPTH_COMPONENT16:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT);
break;
case GL_COMPRESSED_ALPHA_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_COMPRESSED_LUMINANCE_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8);
break;
case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM);
break;
case GL_COMPRESSED_INTENSITY_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8);
break;
case GL_COMPRESSED_RGB_ARB:
/* We don't use texture compression for 1D and 1D array textures.
* For 1D textures, compressions doesn't buy us much.
* For 1D ARRAY textures, there's complicated issues with updating
* sub-regions on non-block boundaries with glCopyTexSubImage, among
* other issues. FWIW, the GL_EXT_texture_array extension prohibits
* 1D ARRAY textures in S3TC format.
*/
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) {
if (ctx->Mesa_DXTn)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
}
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_COMPRESSED_RGBA_ARB:
/* We don't use texture compression for 1D and 1D array textures. */
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) {
if (ctx->Mesa_DXTn)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
}
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_RGB565:
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
break;
case GL_YCBCR_MESA:
if (type == GL_UNSIGNED_SHORT_8_8_MESA)
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR);
else
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
break;
case GL_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_LUMINANCE16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_LUMINANCE_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_INTENSITY16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_INTENSITY32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGB16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGB32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGBA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGBA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGB9_E5:
/* GL_EXT_texture_shared_exponent -- just one format to support */
assert(ctx->TextureFormatSupported[MESA_FORMAT_R9G9B9E5_FLOAT]);
return MESA_FORMAT_R9G9B9E5_FLOAT;
case GL_R11F_G11F_B10F:
/* GL_EXT_texture_packed_float -- just one format to support */
assert(ctx->TextureFormatSupported[MESA_FORMAT_R11G11B10_FLOAT]);
return MESA_FORMAT_R11G11B10_FLOAT;
case GL_DEPTH_STENCIL_EXT:
case GL_DEPTH24_STENCIL8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_UINT_Z24_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT);
break;
case GL_DEPTH_COMPONENT32F:
assert(ctx->TextureFormatSupported[MESA_FORMAT_Z_FLOAT32]);
return MESA_FORMAT_Z_FLOAT32;
case GL_DEPTH32F_STENCIL8:
assert(ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT_S8X24_UINT]);
return MESA_FORMAT_Z32_FLOAT_S8X24_UINT;
case GL_RED_SNORM:
case GL_R8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SNORM8);
break;
case GL_RG_SNORM:
case GL_RG8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_SNORM);
break;
case GL_RGB_SNORM:
case GL_RGB8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
break;
case GL_RGBA_SNORM:
case GL_RGBA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_ALPHA_SNORM:
case GL_ALPHA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_LUMINANCE_SNORM:
case GL_LUMINANCE8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_LUMINANCE_ALPHA_SNORM:
case GL_LUMINANCE8_ALPHA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_INTENSITY_SNORM:
case GL_INTENSITY8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SNORM8);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_R16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SNORM16);
break;
case GL_RG16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_R16G16_SNORM);
break;
case GL_RGB16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SNORM16);
/* FALLTHROUGH */
case GL_RGBA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_ALPHA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_LUMINANCE16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SNORM16);
/* FALLTHROUGH */
case GL_LUMINANCE16_ALPHA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_INTENSITY16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
break;
case GL_SRGB_EXT:
case GL_SRGB8_EXT:
/* there is no MESA_FORMAT_RGB_SRGB8 */
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_SRGB_ALPHA_EXT:
case GL_SRGB8_ALPHA8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_SLUMINANCE_EXT:
case GL_SLUMINANCE8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_SLUMINANCE_ALPHA_EXT:
case GL_SLUMINANCE8_ALPHA8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_COMPRESSED_SLUMINANCE_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_COMPRESSED_SRGB_EXT:
if (ctx->Mesa_DXTn)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_COMPRESSED_SRGB_ALPHA_EXT:
if (ctx->Mesa_DXTn)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
break;
case GL_ALPHA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_ALPHA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_ALPHA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_ALPHA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_ALPHA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_ALPHA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_LUMINANCE8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_LUMINANCE16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_LUMINANCE32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_LUMINANCE8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_LUMINANCE16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_LUMINANCE32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_LUMINANCE_ALPHA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_LUMINANCE_ALPHA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_LUMINANCE_ALPHA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_LUMINANCE_ALPHA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_LUMINANCE_ALPHA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_LUMINANCE_ALPHA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_INTENSITY8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_INTENSITY16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_INTENSITY32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_INTENSITY8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_INTENSITY16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_INTENSITY32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_RGB8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_RGB16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_RGB32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_RGB8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_RGB16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_RGB32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_RGBA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_RGBA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_RGBA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_RGBA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
break;
case GL_RGBA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
break;
case GL_RGBA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
break;
case GL_R8:
case GL_RED:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8);
break;
case GL_COMPRESSED_RED:
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY)
RETURN_IF_SUPPORTED(MESA_FORMAT_R_RGTC1_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8);
break;
case GL_R16:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM16);
break;
case GL_RG:
case GL_RG8:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_UNORM);
break;
case GL_COMPRESSED_RG:
if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY)
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2_UNORM);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_UNORM);
break;
case GL_RG16:
RETURN_IF_SUPPORTED(MESA_FORMAT_R16G16_UNORM);
break;
case GL_R16F:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_R32F:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RG16F:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RG32F:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_R8UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT8);
break;
case GL_RG8UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT8);
break;
case GL_R16UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT16);
break;
case GL_RG16UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT16);
break;
case GL_R32UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT32);
break;
case GL_RG32UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT32);
break;
case GL_R8I:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT8);
break;
case GL_RG8I:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT8);
break;
case GL_R16I:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT16);
break;
case GL_RG16I:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT16);
break;
case GL_R32I:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT32);
break;
case GL_RG32I:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT32);
break;
case GL_RGB10_A2UI:
RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UINT);
RETURN_IF_SUPPORTED(MESA_FORMAT_R10G10B10A2_UINT);
break;
case GL_BGRA:
RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
break;
case GL_STENCIL_INDEX:
case GL_STENCIL_INDEX8:
RETURN_IF_SUPPORTED(MESA_FORMAT_S_UINT8);
break;
default:
/* For non-generic compressed format we assert two things:
*
* 1. The format has already been validated against the set of available
* extensions.
*
* 2. The driver only enables the extension if it supports all of the
* formats that are part of that extension.
*/
if (_mesa_is_compressed_format(ctx, internalFormat))
return _mesa_glenum_to_compressed_format(internalFormat);
}
_mesa_problem(ctx, "unexpected format %s in _mesa_choose_tex_format()",
_mesa_enum_to_string(internalFormat));
return MESA_FORMAT_NONE;
}
/**
* Choose an appropriate texture format given the format, type and
* internalFormat parameters passed to glTexImage().
*
* \param ctx the GL context.
* \param internalFormat user's prefered internal texture format.
* \param format incoming image pixel format.
* \param type incoming image data type.
*
* \return a pointer to a gl_texture_format object which describes the
* choosen texture format, or NULL on failure.
*
* This is called via dd_function_table::ChooseTextureFormat. Hardware drivers
* will typically override this function with a specialized version.
*/
gl_format
_mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
GLenum format, GLenum type )
{
(void) format;
(void) type;
switch (internalFormat) {
/* shallow RGBA formats */
case 4:
case GL_RGBA:
if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
} else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
}
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGBA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGB5_A1:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
break;
case GL_RGBA2:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
break;
case GL_RGBA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
break;
/* deep RGBA formats */
case GL_RGB10_A2:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGBA12:
case GL_RGBA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
/* shallow RGB formats */
case 3:
case GL_RGB:
case GL_RGB8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_R3_G3_B2:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGB4:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
break;
case GL_RGB5:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
break;
/* deep RGB formats */
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
/* Alpha formats */
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
break;
case GL_ALPHA12:
case GL_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_A16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
break;
/* Luminance formats */
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
break;
case GL_LUMINANCE12:
case GL_LUMINANCE16:
RETURN_IF_SUPPORTED(MESA_FORMAT_L16);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
break;
/* Luminance/Alpha formats */
case GL_LUMINANCE4_ALPHA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL44);
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616);
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
break;
case GL_INTENSITY12:
case GL_INTENSITY16:
RETURN_IF_SUPPORTED(MESA_FORMAT_I16);
RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
break;
case GL_COLOR_INDEX:
case GL_COLOR_INDEX1_EXT:
case GL_COLOR_INDEX2_EXT:
case GL_COLOR_INDEX4_EXT:
case GL_COLOR_INDEX12_EXT:
case GL_COLOR_INDEX16_EXT:
case GL_COLOR_INDEX8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_CI8);
break;
default:
; /* fallthrough */
}
if (ctx->Extensions.ARB_depth_texture) {
switch (internalFormat) {
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT32:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z32);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8_Z24);
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
break;
case GL_DEPTH_COMPONENT16:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z16);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8_Z24);
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
default:
; /* fallthrough */
}
}
switch (internalFormat) {
case GL_COMPRESSED_ALPHA_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
break;
case GL_COMPRESSED_LUMINANCE_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
break;
case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case GL_COMPRESSED_INTENSITY_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
break;
case GL_COMPRESSED_RGB_ARB:
if (ctx->Extensions.EXT_texture_compression_s3tc ||
ctx->Extensions.S3_s3tc)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
if (ctx->Extensions.TDFX_texture_compression_FXT1)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_COMPRESSED_RGBA_ARB:
if (ctx->Extensions.EXT_texture_compression_s3tc ||
ctx->Extensions.S3_s3tc)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */
if (ctx->Extensions.TDFX_texture_compression_FXT1)
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
default:
; /* fallthrough */
}
if (ctx->Extensions.MESA_ycbcr_texture) {
if (internalFormat == GL_YCBCR_MESA) {
if (type == GL_UNSIGNED_SHORT_8_8_MESA)
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR);
else
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
}
}
#if FEATURE_texture_fxt1
if (ctx->Extensions.TDFX_texture_compression_FXT1) {
switch (internalFormat) {
case GL_COMPRESSED_RGB_FXT1_3DFX:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
break;
case GL_COMPRESSED_RGBA_FXT1_3DFX:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
break;
default:
; /* fallthrough */
}
}
#endif
#if FEATURE_texture_s3tc
if (ctx->Extensions.EXT_texture_compression_s3tc) {
switch (internalFormat) {
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
break;
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT1);
break;
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
break;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT5);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.S3_s3tc) {
switch (internalFormat) {
case GL_RGB_S3TC:
case GL_RGB4_S3TC:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
break;
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
break;
default:
; /* fallthrough */
}
}
#endif
if (ctx->Extensions.ARB_texture_float) {
switch (internalFormat) {
case GL_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_INTENSITY16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_INTENSITY32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGB16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGB32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGBA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGBA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.EXT_texture_shared_exponent) {
switch (internalFormat) {
case GL_RGB9_E5:
ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_RGB9_E5_FLOAT]);
return MESA_FORMAT_RGB9_E5_FLOAT;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.EXT_packed_float) {
switch (internalFormat) {
case GL_R11F_G11F_B10F:
ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_R11_G11_B10_FLOAT]);
return MESA_FORMAT_R11_G11_B10_FLOAT;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.EXT_packed_depth_stencil) {
switch (internalFormat) {
case GL_DEPTH_STENCIL_EXT:
case GL_DEPTH24_STENCIL8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8);
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.ATI_envmap_bumpmap) {
switch (internalFormat) {
case GL_DUDV_ATI:
case GL_DU8DV8_ATI:
RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.EXT_texture_snorm) {
switch (internalFormat) {
case GL_RED_SNORM:
case GL_R8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8);
break;
case GL_RG_SNORM:
case GL_RG8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88_REV);
break;
case GL_RGB_SNORM:
case GL_RGB8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888);
/* FALLTHROUGH */
case GL_RGBA_SNORM:
case GL_RGBA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_ALPHA_SNORM:
case GL_ALPHA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_LUMINANCE_SNORM:
case GL_LUMINANCE8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_LUMINANCE_ALPHA_SNORM:
case GL_LUMINANCE8_ALPHA8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL88);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_INTENSITY_SNORM:
case GL_INTENSITY8_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_R16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R16);
break;
case GL_RG16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_GR1616);
break;
case GL_RGB16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16);
/* FALLTHROUGH */
case GL_RGBA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_ALPHA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_LUMINANCE16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L16);
/* FALLTHROUGH */
case GL_LUMINANCE16_ALPHA16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL1616);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
case GL_INTENSITY16_SNORM:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
break;
default:
; /* fall-through */
}
}
#if FEATURE_EXT_texture_sRGB
if (ctx->Extensions.EXT_texture_sRGB) {
switch (internalFormat) {
case GL_SRGB_EXT:
case GL_SRGB8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_SRGB_ALPHA_EXT:
case GL_SRGB8_ALPHA8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_SLUMINANCE_EXT:
case GL_SLUMINANCE8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_SLUMINANCE_ALPHA_EXT:
case GL_SLUMINANCE8_ALPHA8_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SLUMINANCE_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_EXT:
#if FEATURE_texture_s3tc
if (ctx->Extensions.EXT_texture_compression_s3tc)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
#endif
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_ALPHA_EXT:
#if FEATURE_texture_s3tc
if (ctx->Extensions.EXT_texture_compression_s3tc)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
#endif
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
#if FEATURE_texture_s3tc
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
if (ctx->Extensions.EXT_texture_compression_s3tc)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
if (ctx->Extensions.EXT_texture_compression_s3tc)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT1);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
if (ctx->Extensions.EXT_texture_compression_s3tc)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
if (ctx->Extensions.EXT_texture_compression_s3tc)
RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5);
RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
#endif
default:
; /* fallthrough */
}
}
#endif /* FEATURE_EXT_texture_sRGB */
if (ctx->Extensions.EXT_texture_integer) {
switch (internalFormat) {
case GL_RGBA32UI_EXT:
case GL_RGB32UI_EXT:
case GL_ALPHA32UI_EXT:
case GL_INTENSITY32UI_EXT:
case GL_LUMINANCE32UI_EXT:
case GL_LUMINANCE_ALPHA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_RGBA16UI_EXT:
case GL_RGB16UI_EXT:
case GL_ALPHA16UI_EXT:
case GL_INTENSITY16UI_EXT:
case GL_LUMINANCE16UI_EXT:
case GL_LUMINANCE_ALPHA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_RGBA8UI_EXT:
case GL_RGB8UI_EXT:
case GL_ALPHA8UI_EXT:
case GL_INTENSITY8UI_EXT:
case GL_LUMINANCE8UI_EXT:
case GL_LUMINANCE_ALPHA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_RGBA32I_EXT:
case GL_RGB32I_EXT:
case GL_ALPHA32I_EXT:
case GL_INTENSITY32I_EXT:
case GL_LUMINANCE32I_EXT:
case GL_LUMINANCE_ALPHA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_RGBA16I_EXT:
case GL_RGB16I_EXT:
case GL_ALPHA16I_EXT:
case GL_INTENSITY16I_EXT:
case GL_LUMINANCE16I_EXT:
case GL_LUMINANCE_ALPHA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_RGBA8I_EXT:
case GL_RGB8I_EXT:
case GL_ALPHA8I_EXT:
case GL_INTENSITY8I_EXT:
case GL_LUMINANCE8I_EXT:
case GL_LUMINANCE_ALPHA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
}
}
if (ctx->Extensions.ARB_texture_rg) {
switch (internalFormat) {
case GL_R8:
case GL_RED:
RETURN_IF_SUPPORTED(MESA_FORMAT_R8);
break;
case GL_COMPRESSED_RED:
RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1);
RETURN_IF_SUPPORTED(MESA_FORMAT_R8);
break;
case GL_R16:
RETURN_IF_SUPPORTED(MESA_FORMAT_R16);
break;
case GL_RG:
case GL_RG8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG88);
break;
case GL_COMPRESSED_RG:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG88);
break;
case GL_RG16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG1616);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.ARB_texture_rg && ctx->Extensions.ARB_texture_float) {
switch (internalFormat) {
case GL_R16F:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_R32F:
RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RG16F:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RG32F:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.EXT_texture_format_BGRA8888) {
switch (internalFormat) {
case GL_BGRA:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.ARB_texture_compression_rgtc) {
switch (internalFormat) {
case GL_COMPRESSED_RED_RGTC1:
RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1);
break;
case GL_COMPRESSED_SIGNED_RED_RGTC1:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RED_RGTC1);
break;
case GL_COMPRESSED_RG_RGTC2:
RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2);
break;
case GL_COMPRESSED_SIGNED_RG_RGTC2:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_RGTC2);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.EXT_texture_compression_latc) {
switch (internalFormat) {
case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_L_LATC1);
break;
case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L_LATC1);
break;
case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_LATC2);
break;
case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_LA_LATC2);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.ATI_texture_compression_3dc) {
switch (internalFormat) {
case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
RETURN_IF_SUPPORTED(MESA_FORMAT_LA_LATC2);
break;
default:
; /* fallthrough */
}
}
_mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
return MESA_FORMAT_NONE;
}
/**
* Check for compatible target
* If an error is found, record it with _mesa_error()
* \return false if any error, true otherwise.
*/
static bool
target_valid(struct gl_context *ctx, GLenum origTarget, GLenum newTarget)
{
/*
* From ARB_texture_view spec:
---------------------------------------------------------------------------------------------------------
| Original target | Valid new targets |
---------------------------------------------------------------------------------------------------------
| TEXTURE_1D | TEXTURE_1D, TEXTURE_1D_ARRAY |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_2D | TEXTURE_2D, TEXTURE_2D_ARRAY |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_3D | TEXTURE_3D |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_CUBE_MAP | TEXTURE_CUBE_MAP, TEXTURE_2D, TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_RECTANGLE | TEXTURE_RECTANGLE |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_BUFFER | <none> |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_1D_ARRAY | TEXTURE_1D_ARRAY, TEXTURE_1D |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_2D_ARRAY | TEXTURE_2D_ARRAY, TEXTURE_2D, TEXTURE_CUBE_MAP, TEXTURE_CUBE_MAP_ARRAY |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_CUBE_MAP_ARRAY | TEXTURE_CUBE_MAP_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_2D, TEXTURE_CUBE_MAP |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_2D_MULTISAMPLE | TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY |
| ------------------------------------------------------------------------------------------------------- |
| TEXTURE_2D_MULTISAMPLE_ARRAY | TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY |
---------------------------------------------------------------------------------------------------------
*/
switch (origTarget) {
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
RETURN_IF_SUPPORTED(TEXTURE_1D);
RETURN_IF_SUPPORTED(TEXTURE_1D_ARRAY);
break;
case GL_TEXTURE_2D:
RETURN_IF_SUPPORTED(TEXTURE_2D);
RETURN_IF_SUPPORTED(TEXTURE_2D_ARRAY);
break;
case GL_TEXTURE_3D:
RETURN_IF_SUPPORTED(TEXTURE_3D);
break;
case GL_TEXTURE_RECTANGLE:
RETURN_IF_SUPPORTED(TEXTURE_RECTANGLE);
break;
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_CUBE_MAP_ARRAY:
RETURN_IF_SUPPORTED(TEXTURE_2D);
RETURN_IF_SUPPORTED(TEXTURE_2D_ARRAY);
RETURN_IF_SUPPORTED(TEXTURE_CUBE_MAP);
RETURN_IF_SUPPORTED(TEXTURE_CUBE_MAP_ARRAY);
break;
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
RETURN_IF_SUPPORTED(TEXTURE_2D_MULTISAMPLE);
RETURN_IF_SUPPORTED(TEXTURE_2D_MULTISAMPLE_ARRAY);
break;
}
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTextureView(illegal target=%s)",
_mesa_lookup_enum_by_nr(newTarget));
return false;
}
/**
* Choose an appropriate texture format given the format, type and
* internalFormat parameters passed to glTexImage().
*
* \param ctx the GL context.
* \param internalFormat user's prefered internal texture format.
* \param format incoming image pixel format.
* \param type incoming image data type.
*
* \return a pointer to a gl_texture_format object which describes the
* choosen texture format, or NULL on failure.
*
* This is called via dd_function_table::ChooseTextureFormat. Hardware drivers
* will typically override this function with a specialized version.
*/
gl_format
_mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
GLenum format, GLenum type )
{
(void) format;
(void) type;
switch (internalFormat) {
/* shallow RGBA formats */
case 4:
case GL_RGBA:
if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
} else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
}
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGBA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGB5_A1:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
break;
case GL_RGBA2:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
break;
case GL_RGBA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
break;
/* deep RGBA formats */
case GL_RGB10_A2:
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGBA12:
case GL_RGBA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
/* shallow RGB formats */
case 3:
case GL_RGB:
case GL_RGB8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_R3_G3_B2:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
case GL_RGB4:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
break;
case GL_RGB5:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
break;
/* deep RGB formats */
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
break;
/* Alpha formats */
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
break;
case GL_ALPHA12:
case GL_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_A16);
RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
break;
/* Luminance formats */
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
break;
case GL_LUMINANCE12:
case GL_LUMINANCE16:
RETURN_IF_SUPPORTED(MESA_FORMAT_L16);
RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
break;
/* Luminance/Alpha formats */
case GL_LUMINANCE4_ALPHA4:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL44);
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616);
RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
break;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
break;
case GL_INTENSITY12:
case GL_INTENSITY16:
RETURN_IF_SUPPORTED(MESA_FORMAT_I16);
RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
break;
default:
; /* fallthrough */
}
if (ctx->Extensions.MESA_ycbcr_texture) {
if (internalFormat == GL_YCBCR_MESA) {
if (type == GL_UNSIGNED_SHORT_8_8_MESA)
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR);
else
RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
}
}
if (ctx->Extensions.ARB_texture_float) {
switch (internalFormat) {
case GL_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_LUMINANCE16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_LUMINANCE_ALPHA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_LUMINANCE_ALPHA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_INTENSITY16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_INTENSITY32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGB16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGB32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
case GL_RGBA16F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
break;
case GL_RGBA32F_ARB:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
break;
default:
; /* fallthrough */
}
}
if (ctx->Extensions.EXT_texture_integer) {
switch (internalFormat) {
case GL_ALPHA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_ALPHA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_ALPHA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_ALPHA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_ALPHA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_ALPHA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_LUMINANCE8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_LUMINANCE16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_LUMINANCE32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_LUMINANCE8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_LUMINANCE16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_LUMINANCE32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_LUMINANCE_ALPHA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_LUMINANCE_ALPHA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_LUMINANCE_ALPHA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_LUMINANCE_ALPHA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_LUMINANCE_ALPHA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_LUMINANCE_ALPHA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_INTENSITY8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_INTENSITY16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_INTENSITY32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_INTENSITY8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_INTENSITY16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_INTENSITY32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
}
}
if (ctx->VersionMajor >= 3 ||
ctx->Extensions.EXT_texture_integer) {
switch (internalFormat) {
case GL_RGB8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_RGB16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_RGB32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_RGB8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT8);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_RGB16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT16);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_RGB32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT32);
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
case GL_RGBA8UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
break;
case GL_RGBA16UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
break;
case GL_RGBA32UI_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
break;
case GL_RGBA8I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
break;
case GL_RGBA16I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
break;
case GL_RGBA32I_EXT:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
break;
}
}
_mesa_problem(ctx, "unexpected format %s in _mesa_choose_tex_format()",
_mesa_lookup_enum_by_nr(internalFormat));
return MESA_FORMAT_NONE;
}
