}
+/**
+ * Map GL texture formats to Gallium pipe formats.
+ */
+struct format_mapping
+{
+ GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */
+ enum pipe_format pipeFormats[10]; /**< list of pipe formats, 0-terminated */
+};
+
+
+#define DEFAULT_RGBA_FORMATS \
+ PIPE_FORMAT_B8G8R8A8_UNORM, \
+ PIPE_FORMAT_A8R8G8B8_UNORM, \
+ PIPE_FORMAT_A8B8G8R8_UNORM, \
+ PIPE_FORMAT_B5G6R5_UNORM, \
+ 0
+
+#define DEFAULT_RGB_FORMATS \
+ PIPE_FORMAT_B8G8R8X8_UNORM, \
+ PIPE_FORMAT_X8R8G8B8_UNORM, \
+ PIPE_FORMAT_X8B8G8R8_UNORM, \
+ PIPE_FORMAT_B8G8R8A8_UNORM, \
+ PIPE_FORMAT_A8R8G8B8_UNORM, \
+ PIPE_FORMAT_A8B8G8R8_UNORM, \
+ PIPE_FORMAT_B5G6R5_UNORM, \
+ 0
+
+#define DEFAULT_SRGBA_FORMATS \
+ PIPE_FORMAT_B8G8R8A8_SRGB, \
+ PIPE_FORMAT_A8R8G8B8_SRGB, \
+ PIPE_FORMAT_A8B8G8R8_SRGB, \
+ 0
+
+/**
+ * This table maps OpenGL texture format enums to Gallium pipe_format enums.
+ * Multiple GL enums might map to multiple pipe_formats.
+ * The first pipe format in the list that's supported is the one that's chosen.
+ */
+static struct format_mapping format_map[] = {
+ /* Basic RGB, RGBA formats */
+ {
+ { GL_RGB10, GL_RGB10_A2, 0 },
+ { PIPE_FORMAT_B10G10R10A2_UNORM, 0 }
+ },
+ {
+ { 4, GL_RGBA, GL_RGBA8, 0 },
+ { DEFAULT_RGBA_FORMATS, 0 }
+ },
+ {
+ { GL_BGRA, 0 },
+ { PIPE_FORMAT_B8G8R8A8_UNORM, DEFAULT_RGB_FORMATS, 0 }
+ },
+ {
+ { 3, GL_RGB, GL_RGB8, 0 },
+ { DEFAULT_RGB_FORMATS, 0 }
+ },
+ {
+ { GL_RGB12, GL_RGB16, GL_RGBA12, GL_RGBA16, 0 },
+ { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGB_FORMATS, 0 }
+ },
+ {
+ { GL_RGBA4, GL_RGBA2, 0 },
+ { PIPE_FORMAT_B4G4R4A4_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_RGB5_A1, 0 },
+ { PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS, 0 }
+ },
+ {
+ { GL_R3_G3_B2, 0 },
+ { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM,
+ PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_RGB5, GL_RGB4 },
+ { PIPE_FORMAT_B5G6R5_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
+ DEFAULT_RGBA_FORMATS }
+ },
+
+ /* basic Alpha formats */
+ {
+ { GL_ALPHA12, GL_ALPHA16, 0 },
+ { PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_A8_UNORM,
+ DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_COMPRESSED_ALPHA, 0 },
+ { PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+
+ /* basic Luminance formats */
+ {
+ { GL_LUMINANCE12, GL_LUMINANCE16, 0 },
+ { PIPE_FORMAT_L16_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGBA_FORMATS, 0 }
+ },
+ {
+ { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
+ { PIPE_FORMAT_L8_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+
+ /* basic Luminance/Alpha formats */
+ {
+ { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
+ GL_LUMINANCE16_ALPHA16, 0},
+ { PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_L8A8_UNORM,
+ PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { 2, GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, 0 },
+ { PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_LUMINANCE4_ALPHA4, 0 },
+ { PIPE_FORMAT_L4A4_UNORM, PIPE_FORMAT_L4A4_UNORM,
+ DEFAULT_RGBA_FORMATS }
+ },
+
+ /* basic Intensity formats */
+ {
+ { GL_INTENSITY12, GL_INTENSITY16, 0 },
+ { PIPE_FORMAT_I16_UNORM, PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8,
+ GL_COMPRESSED_INTENSITY, 0 },
+ { PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+
+ /* YCbCr */
+ {
+ { GL_YCBCR_MESA, 0 },
+ { PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, 0 }
+ },
+
+ /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
+ {
+ { GL_COMPRESSED_RGB, 0 },
+ { PIPE_FORMAT_DXT1_RGB, 0 }
+ },
+ {
+ { GL_COMPRESSED_RGBA, 0 },
+ { PIPE_FORMAT_DXT5_RGBA, 0 }
+ },
+ {
+ { GL_RGB_S3TC, GL_RGB4_S3TC, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0 },
+ { PIPE_FORMAT_DXT1_RGB, 0 }
+ },
+ {
+ { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 },
+ { PIPE_FORMAT_DXT1_RGBA, 0 }
+ },
+ {
+ { GL_RGBA_S3TC, GL_RGBA4_S3TC, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 },
+ { PIPE_FORMAT_DXT3_RGBA, 0 }
+ },
+ {
+ { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 },
+ { PIPE_FORMAT_DXT5_RGBA, 0 }
+ },
+
+#if 0
+ {
+ { GL_COMPRESSED_RGB_FXT1_3DFX, 0 },
+ { PIPE_FORMAT_RGB_FXT1, 0 }
+ },
+ {
+ { GL_COMPRESSED_RGBA_FXT1_3DFX, 0 },
+ { PIPE_FORMAT_RGB_FXT1, 0 }
+ },
+#endif
+
+ /* Depth formats */
+ {
+ { GL_DEPTH_COMPONENT16, 0 },
+ { PIPE_FORMAT_Z16_UNORM, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+ PIPE_FORMAT_S8_USCALED_Z24_UNORM, PIPE_FORMAT_Z32_UNORM, 0 }
+ },
+ {
+ { GL_DEPTH_COMPONENT24, 0 },
+ { PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+ PIPE_FORMAT_S8_USCALED_Z24_UNORM, PIPE_FORMAT_Z32_UNORM, 0 }
+ },
+ {
+ { GL_DEPTH_COMPONENT32, 0 },
+ { PIPE_FORMAT_Z32_UNORM, 0 }
+ },
+ {
+ { GL_DEPTH_COMPONENT, 0 },
+ { PIPE_FORMAT_Z32_UNORM, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+ PIPE_FORMAT_S8_USCALED_Z24_UNORM, PIPE_FORMAT_Z16_UNORM, 0 }
+ },
+
+ /* stencil formats */
+ {
+ { GL_STENCIL_INDEX, GL_STENCIL_INDEX1_EXT, GL_STENCIL_INDEX4_EXT,
+ GL_STENCIL_INDEX8_EXT, GL_STENCIL_INDEX16_EXT, 0 },
+ {
+ PIPE_FORMAT_S8_USCALED, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+ PIPE_FORMAT_S8_USCALED_Z24_UNORM, 0
+ }
+ },
+
+ /* Depth / Stencil formats */
+ {
+ { GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 },
+ { PIPE_FORMAT_Z24_UNORM_S8_USCALED, PIPE_FORMAT_S8_USCALED_Z24_UNORM, 0 }
+ },
+
+ /* sRGB formats */
+ {
+ { GL_SRGB_EXT, GL_SRGB8_EXT, GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
+ { DEFAULT_SRGBA_FORMATS }
+ },
+ {
+ { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
+ { PIPE_FORMAT_DXT1_SRGB, DEFAULT_SRGBA_FORMATS }
+ },
+ {
+ { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 },
+ { PIPE_FORMAT_DXT1_SRGBA, 0 }
+ },
+ {
+ { GL_COMPRESSED_SRGB_ALPHA_EXT,
+ GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 },
+ { PIPE_FORMAT_DXT3_SRGBA, DEFAULT_SRGBA_FORMATS }
+ },
+ {
+ { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 },
+ { PIPE_FORMAT_DXT5_SRGBA, 0 }
+ },
+ {
+ { GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT,
+ GL_COMPRESSED_SLUMINANCE_EXT, GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
+ { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
+ },
+ {
+ { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, 0 },
+ { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
+ },
+
+ /* 16-bit float formats */
+ {
+ { GL_RGBA16F_ARB, 0 },
+ { PIPE_FORMAT_R16G16B16A16_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_RGB16F_ARB, 0 },
+ { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA16F_ARB, 0 },
+ { PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_ALPHA16F_ARB, 0 },
+ { PIPE_FORMAT_A16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_INTENSITY16F_ARB, 0 },
+ { PIPE_FORMAT_I16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_LUMINANCE16F_ARB, 0 },
+ { PIPE_FORMAT_L16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_R16F, 0 },
+ { PIPE_FORMAT_R16_FLOAT, PIPE_FORMAT_R16G16_FLOAT,
+ PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+ {
+ { GL_RG16F, 0 },
+ { PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
+ },
+
+ /* 32-bit float formats */
+ {
+ { GL_RGBA32F_ARB, 0 },
+ { PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
+ },
+ {
+ { GL_RGB32F_ARB, 0 },
+ { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA32F_ARB, 0 },
+ { PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
+ },
+ {
+ { GL_ALPHA32F_ARB, 0 },
+ { PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_A16_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
+ },
+ {
+ { GL_INTENSITY32F_ARB, 0 },
+ { PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_I16_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
+ },
+ {
+ { GL_LUMINANCE32F_ARB, 0 },
+ { PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_L16_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
+ },
+ {
+ { GL_R32F, 0 },
+ { PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16_FLOAT,
+ PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
+ },
+ {
+ { GL_RG32F, 0 },
+ { PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
+ },
+
+ /* R, RG formats */
+ {
+ { GL_RED, GL_R8, 0 },
+ { PIPE_FORMAT_R8_UNORM, 0 }
+ },
+ {
+ { GL_RG, GL_RG8, 0 },
+ { PIPE_FORMAT_R8G8_UNORM, 0 }
+ },
+ {
+ { GL_R16, 0 },
+ { PIPE_FORMAT_R16_UNORM, 0 }
+ },
+ {
+ { GL_RG16, 0 },
+ { PIPE_FORMAT_R16G16_UNORM, 0 }
+ },
+
+ /* compressed R, RG formats */
+ {
+ { GL_COMPRESSED_RED, GL_COMPRESSED_RED_RGTC1, 0 },
+ { PIPE_FORMAT_RGTC1_UNORM, PIPE_FORMAT_R8_UNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_SIGNED_RED_RGTC1, 0 },
+ { PIPE_FORMAT_RGTC1_SNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_RG, GL_COMPRESSED_RG_RGTC2, 0 },
+ { PIPE_FORMAT_RGTC2_UNORM, PIPE_FORMAT_R8G8_UNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_SIGNED_RG_RGTC2, 0 },
+ { PIPE_FORMAT_RGTC2_SNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_LATC1_EXT, 0 },
+ { PIPE_FORMAT_LATC1_UNORM, PIPE_FORMAT_L8_UNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT, 0 },
+ { PIPE_FORMAT_LATC1_SNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT,
+ GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0 },
+ { PIPE_FORMAT_LATC2_UNORM, PIPE_FORMAT_L8A8_UNORM, 0 }
+ },
+ {
+ { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT, 0 },
+ { PIPE_FORMAT_LATC2_SNORM, 0 }
+ },
+
+ /* 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.
+ */
+ {
+ { GL_RED_INTEGER_EXT,
+ GL_GREEN_INTEGER_EXT,
+ GL_BLUE_INTEGER_EXT,
+ GL_ALPHA_INTEGER_EXT,
+ GL_RGB_INTEGER_EXT,
+ GL_RGBA_INTEGER_EXT,
+ GL_BGR_INTEGER_EXT,
+ GL_BGRA_INTEGER_EXT,
+ GL_LUMINANCE_INTEGER_EXT,
+ GL_LUMINANCE_ALPHA_INTEGER_EXT,
+ GL_RGBA8I_EXT,
+ GL_RGB8I_EXT,
+ GL_ALPHA8I_EXT,
+ GL_INTENSITY8I_EXT,
+ GL_LUMINANCE8I_EXT,
+ GL_LUMINANCE_ALPHA8I_EXT, 0 },
+ { PIPE_FORMAT_R8G8B8A8_SSCALED, 0 }
+ },
+ {
+ {
+ GL_RGBA16I_EXT,
+ GL_RGB16I_EXT,
+ GL_ALPHA16I_EXT,
+ GL_INTENSITY16I_EXT,
+ GL_LUMINANCE16I_EXT,
+ GL_LUMINANCE_ALPHA16I_EXT, 0 },
+ { PIPE_FORMAT_R16G16B16A16_SSCALED, 0 },
+ },
+ {
+ {
+ GL_RGBA32I_EXT,
+ GL_RGB32I_EXT,
+ GL_ALPHA32I_EXT,
+ GL_INTENSITY32I_EXT,
+ GL_LUMINANCE32I_EXT,
+ GL_LUMINANCE_ALPHA32I_EXT, 0 },
+ { PIPE_FORMAT_R32G32B32A32_SSCALED, 0 }
+ },
+ {
+ {
+ GL_RGBA8UI_EXT,
+ GL_RGB8UI_EXT,
+ GL_ALPHA8UI_EXT,
+ GL_INTENSITY8UI_EXT,
+ GL_LUMINANCE8UI_EXT,
+ GL_LUMINANCE_ALPHA8UI_EXT, 0 },
+ { PIPE_FORMAT_R8G8B8A8_USCALED, 0 }
+ },
+ {
+ {
+ GL_RGBA16UI_EXT,
+ GL_RGB16UI_EXT,
+ GL_ALPHA16UI_EXT,
+ GL_INTENSITY16UI_EXT,
+ GL_LUMINANCE16UI_EXT,
+ GL_LUMINANCE_ALPHA16UI_EXT, 0 },
+ { PIPE_FORMAT_R16G16B16A16_USCALED, 0 }
+ },
+ {
+ {
+ GL_RGBA32UI_EXT,
+ GL_RGB32UI_EXT,
+ GL_ALPHA32UI_EXT,
+ GL_INTENSITY32UI_EXT,
+ GL_LUMINANCE32UI_EXT,
+ GL_LUMINANCE_ALPHA32UI_EXT, 0 },
+ { PIPE_FORMAT_R32G32B32A32_USCALED, 0 }
+ },
+
+ /* signed normalized formats */
+ {
+ { GL_RED_SNORM, GL_R8_SNORM, 0 },
+ { PIPE_FORMAT_R8_SNORM, PIPE_FORMAT_R8G8_SNORM,
+ PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_R16_SNORM, 0 },
+ { PIPE_FORMAT_R16_SNORM,
+ PIPE_FORMAT_R16G16_SNORM,
+ PIPE_FORMAT_R16G16B16A16_SNORM,
+ PIPE_FORMAT_R8_SNORM,
+ PIPE_FORMAT_R8G8_SNORM,
+ PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_RG_SNORM, GL_RG8_SNORM, 0 },
+ { PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_RG16_SNORM, 0 },
+ { PIPE_FORMAT_R16G16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
+ PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_RGB_SNORM, GL_RGB8_SNORM, GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
+ { PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_RGB16_SNORM, GL_RGBA16_SNORM, 0 },
+ { PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_ALPHA_SNORM, GL_ALPHA8_SNORM, 0 },
+ { PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_ALPHA16_SNORM, 0 },
+ { PIPE_FORMAT_A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
+ PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_LUMINANCE_SNORM, GL_LUMINANCE8_SNORM, 0 },
+ { PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_LUMINANCE16_SNORM, 0 },
+ { PIPE_FORMAT_L16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
+ PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_LUMINANCE_ALPHA_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, 0 },
+ { PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_LUMINANCE16_ALPHA16_SNORM, 0 },
+ { PIPE_FORMAT_L16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
+ PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_INTENSITY_SNORM, GL_INTENSITY8_SNORM, 0 },
+ { PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ },
+ {
+ { GL_INTENSITY16_SNORM, 0 },
+ { PIPE_FORMAT_I16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
+ PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
+ }
+};
+
+
/**
* Return first supported format from the given list.
*/
static enum pipe_format
find_supported_format(struct pipe_screen *screen,
const enum pipe_format formats[],
- uint num_formats,
enum pipe_texture_target target,
unsigned sample_count,
unsigned tex_usage)
{
uint i;
- for (i = 0; i < num_formats; i++) {
+ for (i = 0; formats[i]; i++) {
if (screen->is_format_supported(screen, formats[i], target,
sample_count, tex_usage)) {
return formats[i];
}
-/**
- * Find an RGBA format supported by the context/winsys.
- */
-static enum pipe_format
-default_rgba_format(struct pipe_screen *screen,
- enum pipe_texture_target target,
- unsigned sample_count,
- unsigned tex_usage)
-{
- static const enum pipe_format colorFormats[] = {
- PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_A8R8G8B8_UNORM,
- PIPE_FORMAT_A8B8G8R8_UNORM,
- PIPE_FORMAT_B5G6R5_UNORM
- };
- return find_supported_format(screen, colorFormats, Elements(colorFormats),
- target, sample_count, tex_usage);
-}
-
-
-/**
- * Find an RGB format supported by the context/winsys.
- */
-static enum pipe_format
-default_rgb_format(struct pipe_screen *screen,
- enum pipe_texture_target target,
- unsigned sample_count,
- unsigned tex_usage)
-{
- static const enum pipe_format colorFormats[] = {
- PIPE_FORMAT_B8G8R8X8_UNORM,
- PIPE_FORMAT_X8R8G8B8_UNORM,
- PIPE_FORMAT_X8B8G8R8_UNORM,
- PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_A8R8G8B8_UNORM,
- PIPE_FORMAT_A8B8G8R8_UNORM,
- PIPE_FORMAT_B5G6R5_UNORM
- };
- return find_supported_format(screen, colorFormats, Elements(colorFormats),
- target, sample_count, tex_usage);
-}
-
-/**
- * Find an sRGBA format supported by the context/winsys.
- */
-static enum pipe_format
-default_srgba_format(struct pipe_screen *screen,
- enum pipe_texture_target target,
- unsigned sample_count,
- unsigned tex_usage)
-{
- static const enum pipe_format colorFormats[] = {
- PIPE_FORMAT_B8G8R8A8_SRGB,
- PIPE_FORMAT_A8R8G8B8_SRGB,
- PIPE_FORMAT_A8B8G8R8_SRGB,
- };
- return find_supported_format(screen, colorFormats, Elements(colorFormats),
- target, sample_count, tex_usage);
-}
-
-
/**
* Given an OpenGL internalFormat value for a texture or surface, return
* the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
enum pipe_texture_target target, unsigned sample_count,
unsigned bindings)
{
+ GET_CURRENT_CONTEXT(ctx); /* XXX this should be a function parameter */
+ int i, j;
- 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;
- }
+ /* can't render to compressed formats at this time */
+ if (_mesa_is_compressed_format(ctx, internalFormat)
+ && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
return PIPE_FORMAT_NONE;
+ }
- case GL_R11F_G11F_B10F:
- if (screen->is_format_supported(screen, PIPE_FORMAT_R11G11B10_FLOAT, target,
- sample_count, bindings)) {
- return PIPE_FORMAT_R11G11B10_FLOAT;
+ /* search table for internalFormat */
+ for (i = 0; i < Elements(format_map); i++) {
+ const struct format_mapping *mapping = &format_map[i];
+ for (j = 0; mapping->glFormats[j]; j++) {
+ if (mapping->glFormats[j] == internalFormat) {
+ /* Found the desired internal format. Find first pipe format
+ * which is supported by the driver.
+ */
+ return find_supported_format(screen, mapping->pipeFormats,
+ target, sample_count, bindings);
+ }
}
- return PIPE_FORMAT_NONE;
-
- default:
- return PIPE_FORMAT_NONE;
}
+
+ _mesa_problem(NULL, "unhandled format!\n");
+ return PIPE_FORMAT_NONE;
}
projects / mesa.git / commitdiff