- switch (internalFormat) {
- case GL_RGB10:
- case GL_RGB10_A2:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B10G10R10A2_UNORM,
- target, sample_count, bindings))
- return PIPE_FORMAT_B10G10R10A2_UNORM;
- /* Pass through. */
- case 4:
- case GL_RGBA:
- case GL_RGBA8:
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_BGRA:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B8G8R8A8_UNORM,
- target, sample_count, bindings))
- return PIPE_FORMAT_B8G8R8A8_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case 3:
- case GL_RGB:
- case GL_RGB8:
- return default_rgb_format( screen, target, sample_count, bindings);
-
- case GL_RGB12:
- case GL_RGB16:
- case GL_RGBA12:
- case GL_RGBA16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_R16G16B16A16_UNORM,
- target, sample_count, bindings))
- return PIPE_FORMAT_R16G16B16A16_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_RGBA4:
- case GL_RGBA2:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B4G4R4A4_UNORM,
- target, sample_count, bindings))
- return PIPE_FORMAT_B4G4R4A4_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_RGB5_A1:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM,
- target, sample_count, bindings))
- return PIPE_FORMAT_B5G5R5A1_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_R3_G3_B2:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B2G3R3_UNORM,
- target, sample_count, bindings))
- return PIPE_FORMAT_B2G3R3_UNORM;
- /* Pass through. */
- case GL_RGB5:
- case GL_RGB4:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B5G6R5_UNORM,
- target, sample_count, bindings))
- return PIPE_FORMAT_B5G6R5_UNORM;
- if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM,
- target, sample_count, bindings))
- return PIPE_FORMAT_B5G5R5A1_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_ALPHA12:
- case GL_ALPHA16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_A16_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_A16_UNORM;
- /* Pass through. */
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_COMPRESSED_ALPHA:
- if (screen->is_format_supported( screen, PIPE_FORMAT_A8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_A8_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L16_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_L16_UNORM;
- /* Pass through. */
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_L8_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L16A16_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_L16A16_UNORM;
- /* Pass through. */
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_L8A8_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_LUMINANCE4_ALPHA4:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L4A4_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_L4A4_UNORM;
- if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_L8A8_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- if (screen->is_format_supported( screen, PIPE_FORMAT_I16_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_I16_UNORM;
- /* Pass through. */
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_COMPRESSED_INTENSITY:
- if (screen->is_format_supported( screen, PIPE_FORMAT_I8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_I8_UNORM;
- return default_rgba_format( screen, target, sample_count, bindings);
-
- case GL_YCBCR_MESA:
- if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, target,
- sample_count, bindings)) {
- return PIPE_FORMAT_UYVY;
- }
- if (screen->is_format_supported(screen, PIPE_FORMAT_YUYV, target,
- sample_count, bindings)) {
- return PIPE_FORMAT_YUYV;
- }
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_RGB:
- /* can only sample from compressed formats */
- if (bindings & ~PIPE_BIND_SAMPLER_VIEW)
- return PIPE_FORMAT_NONE;
- else if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB,
- target, sample_count, bindings))
- return PIPE_FORMAT_DXT1_RGB;
- else
- return default_rgb_format(screen, target, sample_count, bindings);
-
- case GL_COMPRESSED_RGBA:
- /* can only sample from compressed formats */
- if (bindings & ~PIPE_BIND_SAMPLER_VIEW)
- return PIPE_FORMAT_NONE;
- else if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA,
- target, sample_count, bindings))
- return PIPE_FORMAT_DXT3_RGBA;
- else
- return default_rgba_format(screen, target, sample_count, bindings);
-
- case GL_RGB_S3TC:
- case GL_RGB4_S3TC:
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB,
- target, sample_count, bindings))
- return PIPE_FORMAT_DXT1_RGB;
- else
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGBA,
- target, sample_count, bindings))
- return PIPE_FORMAT_DXT1_RGBA;
- else
- return PIPE_FORMAT_NONE;
-
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA,
- target, sample_count, bindings))
- return PIPE_FORMAT_DXT3_RGBA;
- else
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA,
- target, sample_count, bindings))
- return PIPE_FORMAT_DXT5_RGBA;
- else
- return PIPE_FORMAT_NONE;
-
-#if 0
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- return PIPE_FORMAT_RGB_FXT1;
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return PIPE_FORMAT_RGB_FXT1;
-#endif
-
- case GL_DEPTH_COMPONENT16:
- if (screen->is_format_supported(screen, PIPE_FORMAT_Z16_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_Z16_UNORM;
- /* fall-through */
- case GL_DEPTH_COMPONENT24:
- if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
- target, sample_count, bindings))
- return PIPE_FORMAT_Z24_UNORM_S8_USCALED;
- if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
- target, sample_count, bindings))
- return PIPE_FORMAT_S8_USCALED_Z24_UNORM;
- /* fall-through */
- case GL_DEPTH_COMPONENT32:
- if (screen->is_format_supported(screen, PIPE_FORMAT_Z32_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_Z32_UNORM;
- /* fall-through */
- case GL_DEPTH_COMPONENT:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_Z32_UNORM,
- PIPE_FORMAT_Z24_UNORM_S8_USCALED,
- PIPE_FORMAT_S8_USCALED_Z24_UNORM,
- PIPE_FORMAT_Z16_UNORM
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_STENCIL_INDEX:
- case GL_STENCIL_INDEX1_EXT:
- case GL_STENCIL_INDEX4_EXT:
- case GL_STENCIL_INDEX8_EXT:
- case GL_STENCIL_INDEX16_EXT:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_S8_USCALED,
- PIPE_FORMAT_Z24_UNORM_S8_USCALED,
- PIPE_FORMAT_S8_USCALED_Z24_UNORM
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_Z24_UNORM_S8_USCALED,
- PIPE_FORMAT_S8_USCALED_Z24_UNORM
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_SRGB_EXT:
- case GL_SRGB8_EXT:
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- return default_srgba_format( screen, target, sample_count, bindings);
-
- case GL_COMPRESSED_SRGB_EXT:
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_SRGB, target,
- sample_count, bindings))
- return PIPE_FORMAT_DXT1_SRGB;
- return default_srgba_format( screen, target, sample_count, bindings);
-
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_SRGBA;
-
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_SRGBA, target,
- sample_count, bindings))
- return PIPE_FORMAT_DXT3_SRGBA;
- return default_srgba_format( screen, target, sample_count, bindings);
-
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- return PIPE_FORMAT_DXT5_SRGBA;
-
- case GL_SLUMINANCE_ALPHA_EXT:
- case GL_SLUMINANCE8_ALPHA8_EXT:
- case GL_COMPRESSED_SLUMINANCE_EXT:
- case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_L8A8_SRGB, target,
- sample_count, bindings))
- return PIPE_FORMAT_L8A8_SRGB;
- return default_srgba_format( screen, target, sample_count, bindings);
-
- case GL_SLUMINANCE_EXT:
- case GL_SLUMINANCE8_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_L8_SRGB, target,
- sample_count, bindings))
- return PIPE_FORMAT_L8_SRGB;
- return default_srgba_format( screen, target, sample_count, bindings);
-
- /* prefer formats in order of data size, choosing 16-bit ones if equal sized */
- case GL_RGBA16F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R16G16B16A16_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_RGB16F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R16G16B16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT,
- PIPE_FORMAT_R32G32B32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_LUMINANCE_ALPHA16F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_L16A16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT,
- PIPE_FORMAT_L32A32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_ALPHA16F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_A16_FLOAT,
- PIPE_FORMAT_L16A16_FLOAT,
- PIPE_FORMAT_A32_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT,
- PIPE_FORMAT_L32A32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_INTENSITY16F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_I16_FLOAT,
- PIPE_FORMAT_L16A16_FLOAT,
- PIPE_FORMAT_I32_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT,
- PIPE_FORMAT_L32A32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_LUMINANCE16F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_L16_FLOAT,
- PIPE_FORMAT_L16A16_FLOAT,
- PIPE_FORMAT_L32_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT,
- PIPE_FORMAT_L32A32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_R16F:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R16_FLOAT,
- PIPE_FORMAT_R16G16_FLOAT,
- PIPE_FORMAT_R32_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT,
- PIPE_FORMAT_R32G32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_RG16F:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R16G16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT,
- PIPE_FORMAT_R32G32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- /* try a 32-bit format if available, otherwise fallback to a 16-bit one */
- case GL_RGBA32F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R32G32B32A32_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_RGB32F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R32G32B32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_LUMINANCE_ALPHA32F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_L32A32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT,
- PIPE_FORMAT_L16A16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_ALPHA32F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_A32_FLOAT,
- PIPE_FORMAT_L32A32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT,
- PIPE_FORMAT_A16_FLOAT,
- PIPE_FORMAT_L16A16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_INTENSITY32F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_I32_FLOAT,
- PIPE_FORMAT_L32A32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT,
- PIPE_FORMAT_I16_FLOAT,
- PIPE_FORMAT_L16A16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_LUMINANCE32F_ARB:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_L32_FLOAT,
- PIPE_FORMAT_L32A32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT,
- PIPE_FORMAT_L16_FLOAT,
- PIPE_FORMAT_L16A16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_R32F:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R32_FLOAT,
- PIPE_FORMAT_R32G32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT,
- PIPE_FORMAT_R16_FLOAT,
- PIPE_FORMAT_R16G16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
- case GL_RG32F:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R32G32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT,
- PIPE_FORMAT_R16G16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_RED:
- case GL_R8:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_R8_UNORM;
- return PIPE_FORMAT_NONE;
- case GL_RG:
- case GL_RG8:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_R8G8_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_R16:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_R16_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_RG16:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_R16G16_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_RED:
- case GL_COMPRESSED_RED_RGTC1:
- if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_RGTC1_UNORM;
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_R8_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_SNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_RGTC1_SNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_RG:
- case GL_COMPRESSED_RG_RGTC2:
- if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_RGTC2_UNORM;
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_R8G8_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_SNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_RGTC2_SNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_LUMINANCE:
- case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_LATC1_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_LATC1_UNORM;
- if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_L8_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_LATC1_SNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_LATC1_SNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_LUMINANCE_ALPHA:
- case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- if (screen->is_format_supported(screen, PIPE_FORMAT_LATC2_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_LATC2_UNORM;
- if (screen->is_format_supported(screen, PIPE_FORMAT_L8A8_UNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_L8A8_UNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- if (screen->is_format_supported(screen, PIPE_FORMAT_LATC2_SNORM, target,
- sample_count, bindings))
- return PIPE_FORMAT_LATC2_SNORM;
- return PIPE_FORMAT_NONE;
-
- /* signed/unsigned integer formats.
- * XXX Mesa only has formats for RGBA signed/unsigned integer formats.
- * If/when new formats are added this code should be updated.
- */
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- case GL_RGB_INTEGER_EXT:
- case GL_RGBA_INTEGER_EXT:
- case GL_BGR_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- /* fall-through */
- 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:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SSCALED,
- target,
- sample_count, bindings))
- return PIPE_FORMAT_R8G8B8A8_SSCALED;
- return PIPE_FORMAT_NONE;
- 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:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_SSCALED,
- target,
- sample_count, bindings))
- return PIPE_FORMAT_R16G16B16A16_SSCALED;
- return PIPE_FORMAT_NONE;
- 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:
- /* xxx */
- if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_SSCALED,
- target,
- sample_count, bindings))
- return PIPE_FORMAT_R32G32B32A32_SSCALED;
- return PIPE_FORMAT_NONE;
-
- 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:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_USCALED,
- target,
- sample_count, bindings))
- return PIPE_FORMAT_R8G8B8A8_USCALED;
- return PIPE_FORMAT_NONE;
-
- 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:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_USCALED,
- target,
- sample_count, bindings))
- return PIPE_FORMAT_R16G16B16A16_USCALED;
- return PIPE_FORMAT_NONE;
-
- 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:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_USCALED,
- target,
- sample_count, bindings))
- return PIPE_FORMAT_R32G32B32A32_USCALED;
- return PIPE_FORMAT_NONE;
-
- /* signed normalized formats */
- case GL_RED_SNORM:
- case GL_R8_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R8_SNORM,
- PIPE_FORMAT_R8G8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_R16_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R16_SNORM,
- PIPE_FORMAT_R16G16_SNORM,
- PIPE_FORMAT_R16G16B16A16_SNORM,
- PIPE_FORMAT_R8_SNORM,
- PIPE_FORMAT_R8G8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_RG_SNORM:
- case GL_RG8_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R8G8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_RG16_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R16G16_SNORM,
- PIPE_FORMAT_R16G16B16A16_SNORM,
- PIPE_FORMAT_R8G8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_RGB_SNORM:
- case GL_RGB8_SNORM:
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SNORM,
- target,
- sample_count, bindings))
- return PIPE_FORMAT_R8G8B8A8_SNORM;
- return PIPE_FORMAT_NONE;
-
- case GL_RGB16_SNORM:
- case GL_RGBA16_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_R16G16B16A16_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
-
- case GL_ALPHA_SNORM:
- case GL_ALPHA8_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_A8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_ALPHA16_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_A16_SNORM,
- PIPE_FORMAT_R16G16B16A16_SNORM,
- PIPE_FORMAT_A8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_LUMINANCE_SNORM:
- case GL_LUMINANCE8_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_L8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_LUMINANCE16_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_L16_SNORM,
- PIPE_FORMAT_R16G16B16A16_SNORM,
- PIPE_FORMAT_L8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_LUMINANCE_ALPHA_SNORM:
- case GL_LUMINANCE8_ALPHA8_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_L8A8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_LUMINANCE16_ALPHA16_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_L16A16_SNORM,
- PIPE_FORMAT_R16G16B16A16_SNORM,
- PIPE_FORMAT_L8A8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_INTENSITY_SNORM:
- case GL_INTENSITY8_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_I8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_INTENSITY16_SNORM:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_I16_SNORM,
- PIPE_FORMAT_R16G16B16A16_SNORM,
- PIPE_FORMAT_I8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM,
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, sample_count, bindings);
- }
-
- case GL_RGB9_E5:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R9G9B9E5_FLOAT, target,
- sample_count, bindings)) {
- return PIPE_FORMAT_R9G9B9E5_FLOAT;
- }