#include "main/imports.h"
#include "main/context.h"
#include "main/texstore.h"
-#include "main/enums.h"
#include "main/image.h"
#include "main/macros.h"
+#include "main/mfeatures.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
st_format_datatype(enum pipe_format format)
{
const struct util_format_description *desc;
+ int i;
desc = util_format_description(format);
assert(desc);
+ /* Find the first non-VOID channel. */
+ for (i = 0; i < 4; i++) {
+ if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
+ break;
+ }
+ }
+
if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) {
if (format == PIPE_FORMAT_B5G5R5A1_UNORM ||
format == PIPE_FORMAT_B5G6R5_UNORM) {
return GL_UNSIGNED_SHORT;
}
+ else if (format == PIPE_FORMAT_R11G11B10_FLOAT ||
+ format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
+ return GL_FLOAT;
+ }
else if (format == PIPE_FORMAT_Z24_UNORM_S8_USCALED ||
- format == PIPE_FORMAT_S8_USCALED_Z24_UNORM) {
+ format == PIPE_FORMAT_S8_USCALED_Z24_UNORM ||
+ format == PIPE_FORMAT_Z24X8_UNORM ||
+ format == PIPE_FORMAT_X8Z24_UNORM) {
return GL_UNSIGNED_INT_24_8;
}
+ else if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED) {
+ return GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
+ }
else {
const GLuint size = format_max_bits(format);
+
+ assert(i < 4);
+ if (i == 4)
+ return GL_NONE;
+
if (size == 8) {
- if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
return GL_UNSIGNED_BYTE;
else
return GL_BYTE;
}
else if (size == 16) {
- if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
+ return GL_HALF_FLOAT;
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
return GL_UNSIGNED_SHORT;
else
return GL_SHORT;
}
- else {
- assert( size <= 32 );
- if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
+ else if (size <= 32) {
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
+ return GL_FLOAT;
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
return GL_UNSIGNED_INT;
else
return GL_INT;
}
+ else {
+ assert(size == 64);
+ assert(desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT);
+ return GL_DOUBLE;
+ }
}
}
else if (format == PIPE_FORMAT_UYVY) {
return GL_UNSIGNED_SHORT;
}
else {
- /* compressed format? */
- assert(0);
+ /* probably a compressed format, unsupported anyway */
+ return GL_NONE;
}
-
- assert(0);
- return GL_NONE;
}
return PIPE_FORMAT_B4G4R4A4_UNORM;
case MESA_FORMAT_RGB565:
return PIPE_FORMAT_B5G6R5_UNORM;
+ case MESA_FORMAT_RGB332:
+ return PIPE_FORMAT_B2G3R3_UNORM;
+ case MESA_FORMAT_ARGB2101010:
+ return PIPE_FORMAT_B10G10R10A2_UNORM;
+ case MESA_FORMAT_AL44:
+ return PIPE_FORMAT_L4A4_UNORM;
case MESA_FORMAT_AL88:
return PIPE_FORMAT_L8A8_UNORM;
+ case MESA_FORMAT_AL1616:
+ return PIPE_FORMAT_L16A16_UNORM;
case MESA_FORMAT_A8:
return PIPE_FORMAT_A8_UNORM;
+ case MESA_FORMAT_A16:
+ return PIPE_FORMAT_A16_UNORM;
case MESA_FORMAT_L8:
return PIPE_FORMAT_L8_UNORM;
+ case MESA_FORMAT_L16:
+ return PIPE_FORMAT_L16_UNORM;
case MESA_FORMAT_I8:
return PIPE_FORMAT_I8_UNORM;
+ case MESA_FORMAT_I16:
+ return PIPE_FORMAT_I16_UNORM;
case MESA_FORMAT_Z16:
return PIPE_FORMAT_Z16_UNORM;
case MESA_FORMAT_Z32:
return PIPE_FORMAT_X8Z24_UNORM;
case MESA_FORMAT_X8_Z24:
return PIPE_FORMAT_Z24X8_UNORM;
+ case MESA_FORMAT_S8:
+ return PIPE_FORMAT_S8_USCALED;
+ case MESA_FORMAT_Z32_FLOAT:
+ return PIPE_FORMAT_Z32_FLOAT;
+ case MESA_FORMAT_Z32_FLOAT_X24S8:
+ return PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED;
case MESA_FORMAT_YCBCR:
return PIPE_FORMAT_UYVY;
#if FEATURE_texture_s3tc
case MESA_FORMAT_SARGB8:
return PIPE_FORMAT_B8G8R8A8_SRGB;
#endif
+ case MESA_FORMAT_RGBA_FLOAT32:
+ return PIPE_FORMAT_R32G32B32A32_FLOAT;
+ case MESA_FORMAT_RGBA_FLOAT16:
+ return PIPE_FORMAT_R16G16B16A16_FLOAT;
+ case MESA_FORMAT_RGB_FLOAT32:
+ return PIPE_FORMAT_R32G32B32_FLOAT;
+ case MESA_FORMAT_RGB_FLOAT16:
+ return PIPE_FORMAT_R16G16B16_FLOAT;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
+ return PIPE_FORMAT_L32A32_FLOAT;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
+ return PIPE_FORMAT_L16A16_FLOAT;
+ case MESA_FORMAT_LUMINANCE_FLOAT32:
+ return PIPE_FORMAT_L32_FLOAT;
+ case MESA_FORMAT_LUMINANCE_FLOAT16:
+ return PIPE_FORMAT_L16_FLOAT;
+ case MESA_FORMAT_ALPHA_FLOAT32:
+ return PIPE_FORMAT_A32_FLOAT;
+ case MESA_FORMAT_ALPHA_FLOAT16:
+ return PIPE_FORMAT_A16_FLOAT;
+ case MESA_FORMAT_INTENSITY_FLOAT32:
+ return PIPE_FORMAT_I32_FLOAT;
+ case MESA_FORMAT_INTENSITY_FLOAT16:
+ return PIPE_FORMAT_I16_FLOAT;
+ case MESA_FORMAT_R_FLOAT32:
+ return PIPE_FORMAT_R32_FLOAT;
+ case MESA_FORMAT_R_FLOAT16:
+ return PIPE_FORMAT_R16_FLOAT;
+ case MESA_FORMAT_RG_FLOAT32:
+ return PIPE_FORMAT_R32G32_FLOAT;
+ case MESA_FORMAT_RG_FLOAT16:
+ return PIPE_FORMAT_R16G16_FLOAT;
+
+ case MESA_FORMAT_R8:
+ return PIPE_FORMAT_R8_UNORM;
+ case MESA_FORMAT_R16:
+ return PIPE_FORMAT_R16_UNORM;
+ case MESA_FORMAT_RG88:
+ return PIPE_FORMAT_R8G8_UNORM;
+ case MESA_FORMAT_RG1616:
+ return PIPE_FORMAT_R16G16_UNORM;
+ case MESA_FORMAT_RGBA_16:
+ return PIPE_FORMAT_R16G16B16A16_UNORM;
+
+ /* signed int formats */
+ case MESA_FORMAT_RGBA_INT8:
+ return PIPE_FORMAT_R8G8B8A8_SSCALED;
+ case MESA_FORMAT_RGBA_INT16:
+ return PIPE_FORMAT_R16G16B16A16_SSCALED;
+ case MESA_FORMAT_RGBA_INT32:
+ return PIPE_FORMAT_R32G32B32A32_SSCALED;
+
+ /* unsigned int formats */
+ case MESA_FORMAT_RGBA_UINT8:
+ return PIPE_FORMAT_R8G8B8A8_USCALED;
+ case MESA_FORMAT_RGBA_UINT16:
+ return PIPE_FORMAT_R16G16B16A16_USCALED;
+ case MESA_FORMAT_RGBA_UINT32:
+ return PIPE_FORMAT_R32G32B32A32_USCALED;
+
+ case MESA_FORMAT_RED_RGTC1:
+ return PIPE_FORMAT_RGTC1_UNORM;
+ case MESA_FORMAT_SIGNED_RED_RGTC1:
+ return PIPE_FORMAT_RGTC1_SNORM;
+ case MESA_FORMAT_RG_RGTC2:
+ return PIPE_FORMAT_RGTC2_UNORM;
+ case MESA_FORMAT_SIGNED_RG_RGTC2:
+ return PIPE_FORMAT_RGTC2_SNORM;
+
+ case MESA_FORMAT_L_LATC1:
+ return PIPE_FORMAT_LATC1_UNORM;
+ case MESA_FORMAT_SIGNED_L_LATC1:
+ return PIPE_FORMAT_LATC1_SNORM;
+ case MESA_FORMAT_LA_LATC2:
+ return PIPE_FORMAT_LATC2_UNORM;
+ case MESA_FORMAT_SIGNED_LA_LATC2:
+ return PIPE_FORMAT_LATC2_SNORM;
+
+ /* signed normalized formats */
+ case MESA_FORMAT_SIGNED_R8:
+ return PIPE_FORMAT_R8_SNORM;
+ case MESA_FORMAT_SIGNED_RG88_REV:
+ return PIPE_FORMAT_R8G8_SNORM;
+ case MESA_FORMAT_SIGNED_RGBA8888_REV:
+ return PIPE_FORMAT_R8G8B8A8_SNORM;
+
+ case MESA_FORMAT_SIGNED_A8:
+ return PIPE_FORMAT_A8_SNORM;
+ case MESA_FORMAT_SIGNED_L8:
+ return PIPE_FORMAT_L8_SNORM;
+ case MESA_FORMAT_SIGNED_AL88:
+ return PIPE_FORMAT_L8A8_SNORM;
+ case MESA_FORMAT_SIGNED_I8:
+ return PIPE_FORMAT_I8_SNORM;
+
+ case MESA_FORMAT_SIGNED_R16:
+ return PIPE_FORMAT_R16_SNORM;
+ case MESA_FORMAT_SIGNED_GR1616:
+ return PIPE_FORMAT_R16G16_SNORM;
+ case MESA_FORMAT_SIGNED_RGBA_16:
+ return PIPE_FORMAT_R16G16B16A16_SNORM;
+
+ case MESA_FORMAT_SIGNED_A16:
+ return PIPE_FORMAT_A16_SNORM;
+ case MESA_FORMAT_SIGNED_L16:
+ return PIPE_FORMAT_L16_SNORM;
+ case MESA_FORMAT_SIGNED_AL1616:
+ return PIPE_FORMAT_L16A16_SNORM;
+ case MESA_FORMAT_SIGNED_I16:
+ return PIPE_FORMAT_I16_SNORM;
+
+ case MESA_FORMAT_RGB9_E5_FLOAT:
+ return PIPE_FORMAT_R9G9B9E5_FLOAT;
+ case MESA_FORMAT_R11_G11_B10_FLOAT:
+ return PIPE_FORMAT_R11G11B10_FLOAT;
+
default:
assert(0);
return PIPE_FORMAT_NONE;
return MESA_FORMAT_ARGB4444;
case PIPE_FORMAT_B5G6R5_UNORM:
return MESA_FORMAT_RGB565;
+ case PIPE_FORMAT_B2G3R3_UNORM:
+ return MESA_FORMAT_RGB332;
+ case PIPE_FORMAT_B10G10R10A2_UNORM:
+ return MESA_FORMAT_ARGB2101010;
+ case PIPE_FORMAT_L4A4_UNORM:
+ return MESA_FORMAT_AL44;
case PIPE_FORMAT_L8A8_UNORM:
return MESA_FORMAT_AL88;
+ case PIPE_FORMAT_L16A16_UNORM:
+ return MESA_FORMAT_AL1616;
case PIPE_FORMAT_A8_UNORM:
return MESA_FORMAT_A8;
+ case PIPE_FORMAT_A16_UNORM:
+ return MESA_FORMAT_A16;
case PIPE_FORMAT_L8_UNORM:
return MESA_FORMAT_L8;
+ case PIPE_FORMAT_L16_UNORM:
+ return MESA_FORMAT_L16;
case PIPE_FORMAT_I8_UNORM:
return MESA_FORMAT_I8;
+ case PIPE_FORMAT_I16_UNORM:
+ return MESA_FORMAT_I16;
case PIPE_FORMAT_S8_USCALED:
return MESA_FORMAT_S8;
- case PIPE_FORMAT_R16G16B16A16_SNORM:
- return MESA_FORMAT_SIGNED_RGBA_16;
+ case PIPE_FORMAT_R16G16B16A16_UNORM:
+ return MESA_FORMAT_RGBA_16;
case PIPE_FORMAT_Z16_UNORM:
return MESA_FORMAT_Z16;
return MESA_FORMAT_X8_Z24;
case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
return MESA_FORMAT_S8_Z24;
+ case PIPE_FORMAT_Z32_FLOAT:
+ return MESA_FORMAT_Z32_FLOAT;
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+ return MESA_FORMAT_Z32_FLOAT_X24S8;
case PIPE_FORMAT_UYVY:
return MESA_FORMAT_YCBCR;
case PIPE_FORMAT_B8G8R8A8_SRGB:
return MESA_FORMAT_SARGB8;
#endif
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ return MESA_FORMAT_RGBA_FLOAT32;
+ case PIPE_FORMAT_R16G16B16A16_FLOAT:
+ return MESA_FORMAT_RGBA_FLOAT16;
+ case PIPE_FORMAT_R32G32B32_FLOAT:
+ return MESA_FORMAT_RGB_FLOAT32;
+ case PIPE_FORMAT_R16G16B16_FLOAT:
+ return MESA_FORMAT_RGB_FLOAT16;
+ case PIPE_FORMAT_L32A32_FLOAT:
+ return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
+ case PIPE_FORMAT_L16A16_FLOAT:
+ return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
+ case PIPE_FORMAT_L32_FLOAT:
+ return MESA_FORMAT_LUMINANCE_FLOAT32;
+ case PIPE_FORMAT_L16_FLOAT:
+ return MESA_FORMAT_LUMINANCE_FLOAT16;
+ case PIPE_FORMAT_A32_FLOAT:
+ return MESA_FORMAT_ALPHA_FLOAT32;
+ case PIPE_FORMAT_A16_FLOAT:
+ return MESA_FORMAT_ALPHA_FLOAT16;
+ case PIPE_FORMAT_I32_FLOAT:
+ return MESA_FORMAT_INTENSITY_FLOAT32;
+ case PIPE_FORMAT_I16_FLOAT:
+ return MESA_FORMAT_INTENSITY_FLOAT16;
+ case PIPE_FORMAT_R32_FLOAT:
+ return MESA_FORMAT_R_FLOAT32;
+ case PIPE_FORMAT_R16_FLOAT:
+ return MESA_FORMAT_R_FLOAT16;
+ case PIPE_FORMAT_R32G32_FLOAT:
+ return MESA_FORMAT_RG_FLOAT32;
+ case PIPE_FORMAT_R16G16_FLOAT:
+ return MESA_FORMAT_RG_FLOAT16;
+
+ case PIPE_FORMAT_R8_UNORM:
+ return MESA_FORMAT_R8;
+ case PIPE_FORMAT_R16_UNORM:
+ return MESA_FORMAT_R16;
+ case PIPE_FORMAT_R8G8_UNORM:
+ return MESA_FORMAT_RG88;
+ case PIPE_FORMAT_R16G16_UNORM:
+ return MESA_FORMAT_RG1616;
+
+ /* signed int formats */
+ case PIPE_FORMAT_R8G8B8A8_SSCALED:
+ return MESA_FORMAT_RGBA_INT8;
+ case PIPE_FORMAT_R16G16B16A16_SSCALED:
+ return MESA_FORMAT_RGBA_INT16;
+ case PIPE_FORMAT_R32G32B32A32_SSCALED:
+ return MESA_FORMAT_RGBA_INT32;
+
+ /* unsigned int formats */
+ case PIPE_FORMAT_R8G8B8A8_USCALED:
+ return MESA_FORMAT_RGBA_UINT8;
+ case PIPE_FORMAT_R16G16B16A16_USCALED:
+ return MESA_FORMAT_RGBA_UINT16;
+ case PIPE_FORMAT_R32G32B32A32_USCALED:
+ return MESA_FORMAT_RGBA_UINT32;
+
+ case PIPE_FORMAT_RGTC1_UNORM:
+ return MESA_FORMAT_RED_RGTC1;
+ case PIPE_FORMAT_RGTC1_SNORM:
+ return MESA_FORMAT_SIGNED_RED_RGTC1;
+ case PIPE_FORMAT_RGTC2_UNORM:
+ return MESA_FORMAT_RG_RGTC2;
+ case PIPE_FORMAT_RGTC2_SNORM:
+ return MESA_FORMAT_SIGNED_RG_RGTC2;
+
+ case PIPE_FORMAT_LATC1_UNORM:
+ return MESA_FORMAT_L_LATC1;
+ case PIPE_FORMAT_LATC1_SNORM:
+ return MESA_FORMAT_SIGNED_L_LATC1;
+ case PIPE_FORMAT_LATC2_UNORM:
+ return MESA_FORMAT_LA_LATC2;
+ case PIPE_FORMAT_LATC2_SNORM:
+ return MESA_FORMAT_SIGNED_LA_LATC2;
+
+ /* signed normalized formats */
+ case PIPE_FORMAT_R8_SNORM:
+ return MESA_FORMAT_SIGNED_R8;
+ case PIPE_FORMAT_R8G8_SNORM:
+ return MESA_FORMAT_SIGNED_RG88_REV;
+ case PIPE_FORMAT_R8G8B8A8_SNORM:
+ return MESA_FORMAT_SIGNED_RGBA8888_REV;
+
+ case PIPE_FORMAT_A8_SNORM:
+ return MESA_FORMAT_SIGNED_A8;
+ case PIPE_FORMAT_L8_SNORM:
+ return MESA_FORMAT_SIGNED_L8;
+ case PIPE_FORMAT_L8A8_SNORM:
+ return MESA_FORMAT_SIGNED_AL88;
+ case PIPE_FORMAT_I8_SNORM:
+ return MESA_FORMAT_SIGNED_I8;
+
+ case PIPE_FORMAT_R16_SNORM:
+ return MESA_FORMAT_SIGNED_R16;
+ case PIPE_FORMAT_R16G16_SNORM:
+ return MESA_FORMAT_SIGNED_GR1616;
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ return MESA_FORMAT_SIGNED_RGBA_16;
+
+ case PIPE_FORMAT_A16_SNORM:
+ return MESA_FORMAT_SIGNED_A16;
+ case PIPE_FORMAT_L16_SNORM:
+ return MESA_FORMAT_SIGNED_L16;
+ case PIPE_FORMAT_L16A16_SNORM:
+ return MESA_FORMAT_SIGNED_AL1616;
+ case PIPE_FORMAT_I16_SNORM:
+ return MESA_FORMAT_SIGNED_I16;
+
+ case PIPE_FORMAT_R9G9B9E5_FLOAT:
+ return MESA_FORMAT_RGB9_E5_FLOAT;
+ case PIPE_FORMAT_R11G11B10_FLOAT:
+ return MESA_FORMAT_R11_G11_B10_FLOAT;
+
default:
assert(0);
return MESA_FORMAT_NONE;
}
+/**
+ * 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
+
+#define DEFAULT_DEPTH_FORMATS \
+ PIPE_FORMAT_Z24X8_UNORM, \
+ PIPE_FORMAT_X8Z24_UNORM, \
+ PIPE_FORMAT_Z16_UNORM, \
+ PIPE_FORMAT_Z24_UNORM_S8_USCALED, \
+ PIPE_FORMAT_S8_USCALED_Z24_UNORM, \
+ 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 const struct format_mapping format_map[] = {
+ /* Basic RGB, RGBA formats */
+ {
+ { GL_RGB10, GL_RGB10_A2, 0 },
+ { PIPE_FORMAT_B10G10R10A2_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { 4, GL_RGBA, GL_RGBA8, 0 },
+ { PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_BGRA, 0 },
+ { PIPE_FORMAT_B8G8R8A8_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { 3, GL_RGB, GL_RGB8, 0 },
+ { DEFAULT_RGB_FORMATS }
+ },
+ {
+ { GL_RGB12, GL_RGB16, GL_RGBA12, GL_RGBA16, 0 },
+ { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_RGBA4, GL_RGBA2, 0 },
+ { PIPE_FORMAT_B4G4R4A4_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { GL_RGB5_A1, 0 },
+ { PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { 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_RGB_FORMATS }
+ },
+ {
+ { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
+ { PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
+ },
+
+ /* basic Luminance/Alpha formats */
+ {
+ { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
+ GL_LUMINANCE16_ALPHA16, 0},
+ { PIPE_FORMAT_L16A16_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_L8A8_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, DEFAULT_RGB_FORMATS }
+ },
+ {
+ { GL_COMPRESSED_RGBA, 0 },
+ { PIPE_FORMAT_DXT5_RGBA, DEFAULT_RGBA_FORMATS }
+ },
+ {
+ { 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_RGBA_FXT1, 0 }
+ },
+#endif
+
+ /* Depth formats */
+ {
+ { GL_DEPTH_COMPONENT16, 0 },
+ { PIPE_FORMAT_Z16_UNORM, DEFAULT_DEPTH_FORMATS }
+ },
+ {
+ { GL_DEPTH_COMPONENT24, 0 },
+ { PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
+ DEFAULT_DEPTH_FORMATS }
+ },
+ {
+ { GL_DEPTH_COMPONENT32, 0 },
+ { PIPE_FORMAT_Z32_UNORM, DEFAULT_DEPTH_FORMATS }
+ },
+ {
+ { GL_DEPTH_COMPONENT, 0 },
+ { DEFAULT_DEPTH_FORMATS }
+ },
+ {
+ { GL_DEPTH_COMPONENT32F, 0 },
+ { PIPE_FORMAT_Z32_FLOAT, 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 }
+ },
+ {
+ { GL_DEPTH32F_STENCIL8, 0 },
+ { PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED, 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 }
+ },
+ {
+ { GL_RGB9_E5, 0 },
+ { PIPE_FORMAT_R9G9B9E5_FLOAT, 0 }
+ },
+ {
+ { GL_R11F_G11F_B10F, 0 },
+ { PIPE_FORMAT_R11G11B10_FLOAT, 0 }
+ }
+};
+
+
/**
* Return first supported format from the given list.
*/
static enum pipe_format
-find_supported_format(struct pipe_screen *screen,
+find_supported_format(struct pipe_screen *screen,
const enum pipe_format formats[],
- uint num_formats,
enum pipe_texture_target target,
- unsigned tex_usage,
- unsigned geom_flags)
+ 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,
- tex_usage, geom_flags)) {
+ sample_count, tex_usage)) {
return formats[i];
}
}
return PIPE_FORMAT_NONE;
}
-
-/**
- * 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 tex_usage,
- unsigned geom_flags)
+struct exact_format_mapping
{
- 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, tex_usage, geom_flags);
-}
+ GLenum format;
+ GLenum type;
+ enum pipe_format pformat;
+};
-
-/**
- * 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 tex_usage,
- unsigned geom_flags)
+static const struct exact_format_mapping rgba8888_tbl[] =
{
- 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, tex_usage, geom_flags);
-}
+ { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_A8B8G8R8_UNORM },
+ { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_A8B8G8R8_UNORM },
+ { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8A8_UNORM },
+ { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8A8_UNORM },
+ { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_A8R8G8B8_UNORM },
+ { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_B8G8R8A8_UNORM },
+ { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8A8_UNORM },
+ { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_A8B8G8R8_UNORM },
+ { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8A8_UNORM },
+ { 0, 0, 0 }
+};
+
+static const struct exact_format_mapping rgbx8888_tbl[] =
+{
+ { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8R8G8B8_UNORM },
+ { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_B8G8R8X8_UNORM },
+ { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8X8_UNORM },
+ /* No Mesa formats for these Gallium formats:
+ { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8B8G8R8_UNORM },
+ { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_X8B8G8R8_UNORM },
+ { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8X8_UNORM },
+ { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8X8_UNORM },
+ { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
+ { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
+ */
+ { 0, 0, 0 }
+};
+
+static const struct exact_format_mapping rgba1010102_tbl[] =
+{
+ { GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_B10G10R10A2_UNORM },
+ /* No Mesa formats for these Gallium formats:
+ { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
+ { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
+ { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
+ */
+ { 0, 0, 0 }
+};
/**
- * Find an sRGBA format supported by the context/winsys.
+ * If there is an exact pipe_format match for {internalFormat, format, type}
+ * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
*/
static enum pipe_format
-default_srgba_format(struct pipe_screen *screen,
- enum pipe_texture_target target,
- unsigned tex_usage,
- unsigned geom_flags)
+find_exact_format(GLint internalFormat, GLenum format, GLenum type)
{
- 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, tex_usage, geom_flags);
-}
-
+ uint i;
+ const struct exact_format_mapping* tbl;
-/**
- * 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.
- * \param target one of PIPE_TEXTURE_x
- * \param tex_usage either PIPE_BIND_RENDER_TARGET
- * or PIPE_BIND_SAMPLER_VIEW
- */
-enum pipe_format
-st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
- enum pipe_texture_target target, unsigned tex_usage)
-{
- unsigned geom_flags = 0;
+ if (format == GL_NONE || type == GL_NONE)
+ return PIPE_FORMAT_NONE;
switch (internalFormat) {
case 4:
case GL_RGBA:
- case GL_COMPRESSED_RGBA:
case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- return default_rgba_format( screen, target, tex_usage, geom_flags );
+ tbl = rgba8888_tbl;
+ break;
case 3:
case GL_RGB:
- case GL_COMPRESSED_RGB:
- return default_rgb_format( screen, target, tex_usage, geom_flags );
- case GL_RGBA16:
- return default_rgba_format( screen, target, tex_usage, geom_flags );
-
- case GL_RGBA4:
- case GL_RGBA2:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B4G4R4A4_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_B4G4R4A4_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
-
- case GL_RGB5_A1:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_B5G5R5A1_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
-
case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return default_rgb_format( screen, target, tex_usage, geom_flags );
-
- case GL_RGB5:
- case GL_RGB4:
- case GL_R3_G3_B2:
- if (screen->is_format_supported( screen, PIPE_FORMAT_B5G6R5_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_B5G6R5_UNORM;
- if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_B5G5R5A1_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
-
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- case GL_COMPRESSED_ALPHA:
- if (screen->is_format_supported( screen, PIPE_FORMAT_A8_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_A8_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
-
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- case GL_COMPRESSED_LUMINANCE:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L8_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_L8_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
-
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- case GL_COMPRESSED_LUMINANCE_ALPHA:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_L8A8_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
-
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- case GL_COMPRESSED_INTENSITY:
- if (screen->is_format_supported( screen, PIPE_FORMAT_I8_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_I8_UNORM;
- return default_rgba_format( screen, target, tex_usage, geom_flags );
-
- case GL_YCBCR_MESA:
- if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY,
- target, tex_usage, geom_flags)) {
- return PIPE_FORMAT_UYVY;
- }
- if (screen->is_format_supported(screen, PIPE_FORMAT_YUYV,
- target, tex_usage, geom_flags)) {
- return PIPE_FORMAT_YUYV;
- }
+ tbl = rgbx8888_tbl;
+ break;
+ case GL_RGB10_A2:
+ tbl = rgba1010102_tbl;
+ break;
+ default:
return PIPE_FORMAT_NONE;
+ }
- case GL_RGB_S3TC:
- case GL_RGB4_S3TC:
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_RGB;
-
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_RGBA;
-
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- return PIPE_FORMAT_DXT3_RGBA;
-
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- return PIPE_FORMAT_DXT5_RGBA;
-
-#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, tex_usage, geom_flags ))
- return PIPE_FORMAT_Z16_UNORM;
- /* fall-through */
- case GL_DEPTH_COMPONENT24:
- if (screen->is_format_supported( screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_Z24_UNORM_S8_USCALED;
- if (screen->is_format_supported( screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_S8_USCALED_Z24_UNORM;
- /* fall-through */
- case GL_DEPTH_COMPONENT32:
- if (screen->is_format_supported( screen, PIPE_FORMAT_Z32_UNORM, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_Z32_UNORM;
- /* fall-through */
- case GL_DEPTH_COMPONENT:
- {
- static const enum pipe_format formats[] = {
- PIPE_FORMAT_Z16_UNORM,
- PIPE_FORMAT_Z32_UNORM,
- PIPE_FORMAT_Z24_UNORM_S8_USCALED,
- PIPE_FORMAT_S8_USCALED_Z24_UNORM
- };
- return find_supported_format(screen, formats, Elements(formats),
- target, tex_usage, geom_flags);
- }
-
- 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, tex_usage, geom_flags);
- }
-
- 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, tex_usage, geom_flags);
- }
-
- case GL_SRGB_EXT:
- case GL_SRGB8_EXT:
- case GL_COMPRESSED_SRGB_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- return default_srgba_format( screen, target, tex_usage, geom_flags );
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_SRGB;
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_SRGBA;
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- return PIPE_FORMAT_DXT3_SRGBA;
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- return PIPE_FORMAT_DXT5_SRGBA;
+ for (i = 0; tbl[i].format; i++)
+ if (tbl[i].format == format && tbl[i].type == type)
+ return tbl[i].pformat;
- 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, tex_usage, geom_flags ))
- return PIPE_FORMAT_L8A8_SRGB;
- return default_srgba_format( screen, target, tex_usage, geom_flags );
+ return PIPE_FORMAT_NONE;
+}
- case GL_SLUMINANCE_EXT:
- case GL_SLUMINANCE8_EXT:
- if (screen->is_format_supported( screen, PIPE_FORMAT_L8_SRGB, target, tex_usage, geom_flags ))
- return PIPE_FORMAT_L8_SRGB;
- return default_srgba_format( screen, target, tex_usage, geom_flags );
+/**
+ * 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.
+ * This is called during glTexImage2D, for example.
+ *
+ * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
+ * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
+ * we want render-to-texture ability.
+ *
+ * \param internalFormat the user value passed to glTexImage2D
+ * \param target one of PIPE_TEXTURE_x
+ * \param bindings bitmask of PIPE_BIND_x flags.
+ */
+enum pipe_format
+st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
+ GLenum format, GLenum type,
+ enum pipe_texture_target target, unsigned sample_count,
+ unsigned bindings)
+{
+ GET_CURRENT_CONTEXT(ctx); /* XXX this should be a function parameter */
+ int i, j;
+ enum pipe_format pf;
- default:
+ /* 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;
}
-}
-
-static GLboolean
-is_depth_or_stencil_format(GLenum internalFormat)
-{
- switch (internalFormat) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- case GL_STENCIL_INDEX:
- case GL_STENCIL_INDEX1_EXT:
- case GL_STENCIL_INDEX4_EXT:
- case GL_STENCIL_INDEX8_EXT:
- case GL_STENCIL_INDEX16_EXT:
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
+ /* search for exact matches */
+ pf = find_exact_format(internalFormat, format, type);
+ if (pf != PIPE_FORMAT_NONE &&
+ screen->is_format_supported(screen, pf,
+ target, sample_count, bindings))
+ return pf;
+
+ /* 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);
+ }
+ }
}
+
+ _mesa_problem(NULL, "unhandled format!\n");
+ return PIPE_FORMAT_NONE;
}
+
/**
* Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
*/
enum pipe_format
st_choose_renderbuffer_format(struct pipe_screen *screen,
- GLenum internalFormat)
+ GLenum internalFormat, unsigned sample_count)
{
uint usage;
- if (is_depth_or_stencil_format(internalFormat))
+ if (_mesa_is_depth_or_stencil_format(internalFormat))
usage = PIPE_BIND_DEPTH_STENCIL;
else
usage = PIPE_BIND_RENDER_TARGET;
- return st_choose_format(screen, internalFormat, PIPE_TEXTURE_2D, usage);
+ return st_choose_format(screen, internalFormat, GL_NONE, GL_NONE, PIPE_TEXTURE_2D,
+ sample_count, usage);
}
-/**
- * Called via ctx->Driver.chooseTextureFormat().
- */
gl_format
-st_ChooseTextureFormat(GLcontext *ctx, GLint internalFormat,
- GLenum format, GLenum type)
+st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
+ GLenum format, GLenum type, GLboolean renderable)
{
+ struct pipe_screen *screen = st_context(ctx)->pipe->screen;
enum pipe_format pFormat;
uint bindings;
/* GL textures may wind up being render targets, but we don't know
* that in advance. Specify potential render target flags now.
*/
- if (_mesa_is_depth_format(internalFormat) ||
- _mesa_is_depthstencil_format(internalFormat))
- bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL;
- else
- bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
+ bindings = PIPE_BIND_SAMPLER_VIEW;
+ if (renderable) {
+ if (_mesa_is_depth_or_stencil_format(internalFormat))
+ bindings |= PIPE_BIND_DEPTH_STENCIL;
+ else
+ bindings |= PIPE_BIND_RENDER_TARGET;
+ }
- pFormat = st_choose_format(ctx->st->pipe->screen, internalFormat,
- PIPE_TEXTURE_2D, bindings);
+ pFormat = st_choose_format(screen, internalFormat, format, type,
+ PIPE_TEXTURE_2D, 0, bindings);
if (pFormat == PIPE_FORMAT_NONE) {
/* try choosing format again, this time without render target bindings */
- pFormat = st_choose_format(ctx->st->pipe->screen, internalFormat,
- PIPE_TEXTURE_2D, PIPE_BIND_SAMPLER_VIEW);
+ pFormat = st_choose_format(screen, internalFormat, format, type,
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
}
if (pFormat == PIPE_FORMAT_NONE) {
}
+/**
+ * Called via ctx->Driver.ChooseTextureFormat().
+ */
+gl_format
+st_ChooseTextureFormat(struct gl_context *ctx, GLint internalFormat,
+ GLenum format, GLenum type)
+{
+ boolean want_renderable =
+ internalFormat == 3 || internalFormat == 4 ||
+ internalFormat == GL_RGB || internalFormat == GL_RGBA ||
+ internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
+ internalFormat == GL_BGRA;
+
+ return st_ChooseTextureFormat_renderable(ctx, internalFormat,
+ format, type, want_renderable);
+}
+
/**
* Test if a gallium format is equivalent to a GL format/type.
*/
return GL_FALSE;
}
}
+
+GLboolean
+st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2)
+{
+ if (format1 == format2)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_B8G8R8A8_UNORM &&
+ format2 == PIPE_FORMAT_B8G8R8X8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_B8G8R8X8_UNORM &&
+ format2 == PIPE_FORMAT_B8G8R8A8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_A8B8G8R8_UNORM &&
+ format2 == PIPE_FORMAT_X8B8G8R8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_X8B8G8R8_UNORM &&
+ format2 == PIPE_FORMAT_A8B8G8R8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_A8R8G8B8_UNORM &&
+ format2 == PIPE_FORMAT_X8R8G8B8_UNORM)
+ return GL_TRUE;
+
+ if (format1 == PIPE_FORMAT_X8R8G8B8_UNORM &&
+ format2 == PIPE_FORMAT_A8R8G8B8_UNORM)
+ return GL_TRUE;
+
+ return GL_FALSE;
+}
+
+
+
+/**
+ * This is used for translating texture border color and the clear
+ * color. For example, the clear color is interpreted according to
+ * the renderbuffer's base format. For example, if clearing a
+ * GL_LUMINANCE buffer, ClearColor[0] = luminance and ClearColor[1] =
+ * alpha. Similarly for texture border colors.
+ */
+void
+st_translate_color(const GLfloat colorIn[4], GLenum baseFormat,
+ GLfloat colorOut[4])
+{
+ switch (baseFormat) {
+ case GL_RED:
+ colorOut[0] = colorIn[0];
+ colorOut[1] = 0.0F;
+ colorOut[2] = 0.0F;
+ colorOut[3] = 1.0F;
+ break;
+ case GL_RG:
+ colorOut[0] = colorIn[0];
+ colorOut[1] = colorIn[1];
+ colorOut[2] = 0.0F;
+ colorOut[3] = 1.0F;
+ break;
+ case GL_RGB:
+ colorOut[0] = colorIn[0];
+ colorOut[1] = colorIn[1];
+ colorOut[2] = colorIn[2];
+ colorOut[3] = 1.0F;
+ break;
+ case GL_ALPHA:
+ colorOut[0] = colorOut[1] = colorOut[2] = 0.0;
+ colorOut[3] = colorIn[3];
+ break;
+ case GL_LUMINANCE:
+ colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
+ colorOut[3] = 1.0;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
+ colorOut[3] = colorIn[3];
+ break;
+ case GL_INTENSITY:
+ colorOut[0] = colorOut[1] = colorOut[2] = colorOut[3] = colorIn[0];
+ break;
+ default:
+ COPY_4V(colorOut, colorIn);
+ }
+}
projects / mesa.git / blobdiff