#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"
return GL_UNSIGNED_SHORT;
}
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 {
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_YCBCR:
return PIPE_FORMAT_UYVY;
#if FEATURE_texture_s3tc
case MESA_FORMAT_SARGB8:
return PIPE_FORMAT_B8G8R8A8_SRGB;
#endif
+ 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;
+
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_UNORM:
+ return MESA_FORMAT_RGBA_16;
case PIPE_FORMAT_R16G16B16A16_SNORM:
return MESA_FORMAT_SIGNED_RGBA_16;
case PIPE_FORMAT_B8G8R8A8_SRGB:
return MESA_FORMAT_SARGB8;
#endif
+
+ 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;
+
default:
assert(0);
return MESA_FORMAT_NONE;
unsigned geom_flags = 0; /* we don't care about POT vs. NPOT here, yet */
switch (internalFormat) {
+ case GL_RGB10:
+ case GL_RGB10_A2:
+ if (screen->is_format_supported( screen, PIPE_FORMAT_B10G10R10A2_UNORM,
+ target, sample_count, bindings,
+ geom_flags ))
+ return PIPE_FORMAT_B10G10R10A2_UNORM;
+ /* Pass through. */
case 4:
case GL_RGBA:
case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
return default_rgba_format( screen, target, sample_count, bindings,
geom_flags );
+
+ case GL_BGRA:
+ if (screen->is_format_supported( screen, PIPE_FORMAT_B8G8R8A8_UNORM,
+ target, sample_count, bindings,
+ geom_flags ))
+ return PIPE_FORMAT_B8G8R8A8_UNORM;
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+
case 3:
case GL_RGB:
+ case GL_RGB8:
return default_rgb_format( screen, target, sample_count, bindings,
geom_flags );
+
+ 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,
+ geom_flags ))
+ return PIPE_FORMAT_R16G16B16A16_UNORM;
return default_rgba_format( screen, target, sample_count, bindings,
geom_flags );
return default_rgba_format( screen, target, sample_count, bindings,
geom_flags );
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return default_rgb_format( screen, target, sample_count, bindings,
- geom_flags );
-
+ case GL_R3_G3_B2:
+ if (screen->is_format_supported( screen, PIPE_FORMAT_B2G3R3_UNORM,
+ target, sample_count, bindings,
+ geom_flags ))
+ return PIPE_FORMAT_B2G3R3_UNORM;
+ /* Pass through. */
case GL_RGB5:
case GL_RGB4:
- case GL_R3_G3_B2:
if (screen->is_format_supported( screen, PIPE_FORMAT_B5G6R5_UNORM,
target, sample_count, bindings,
geom_flags ))
return default_rgba_format( screen, target, sample_count, bindings,
geom_flags );
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ if (screen->is_format_supported( screen, PIPE_FORMAT_A16_UNORM, target,
+ sample_count, bindings, geom_flags ))
+ return PIPE_FORMAT_A16_UNORM;
+ /* Pass through. */
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,
sample_count, bindings, geom_flags ))
return default_rgba_format( screen, target, sample_count, bindings,
geom_flags );
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ if (screen->is_format_supported( screen, PIPE_FORMAT_L16_UNORM, target,
+ sample_count, bindings, geom_flags ))
+ return PIPE_FORMAT_L16_UNORM;
+ /* Pass through. */
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,
sample_count, bindings, geom_flags ))
return default_rgba_format( screen, target, sample_count, bindings,
geom_flags );
+ 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, geom_flags ))
+ return PIPE_FORMAT_L16A16_UNORM;
+ /* Pass through. */
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,
sample_count, bindings, geom_flags ))
return default_rgba_format( screen, target, sample_count, bindings,
geom_flags );
+ case GL_LUMINANCE4_ALPHA4:
+ if (screen->is_format_supported( screen, PIPE_FORMAT_L4A4_UNORM, target,
+ sample_count, bindings, geom_flags ))
+ return PIPE_FORMAT_L4A4_UNORM;
+ if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target,
+ sample_count, bindings, geom_flags ))
+ return PIPE_FORMAT_L8A8_UNORM;
+ return default_rgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ if (screen->is_format_supported( screen, PIPE_FORMAT_I16_UNORM, target,
+ sample_count, bindings, geom_flags ))
+ return PIPE_FORMAT_I16_UNORM;
+ /* Pass through. */
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,
sample_count, bindings, geom_flags ))
}
return PIPE_FORMAT_NONE;
+ case GL_COMPRESSED_RED:
+ case GL_COMPRESSED_RG:
case GL_COMPRESSED_RGB:
/* can only sample from compressed formats */
if (bindings & ~PIPE_BIND_SAMPLER_VIEW)
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
+ PIPE_FORMAT_S8_USCALED_Z24_UNORM,
+ PIPE_FORMAT_Z16_UNORM
};
return find_supported_format(screen, formats, Elements(formats),
target, sample_count, bindings, 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, sample_count, bindings,
geom_flags );
+
+ case GL_COMPRESSED_SRGB_EXT:
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_SRGB;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_SRGB, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_DXT1_SRGB;
+ return default_srgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+
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:
- return PIPE_FORMAT_DXT3_SRGBA;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_SRGBA, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_DXT3_SRGBA;
+ return default_srgba_format( screen, target, sample_count, bindings,
+ geom_flags );
+
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
return PIPE_FORMAT_DXT5_SRGBA;
return default_srgba_format( screen, target, sample_count, bindings,
geom_flags );
+ case GL_RED:
+ case GL_R8:
+ if (screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, target,
+ sample_count, bindings, geom_flags))
+ 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, geom_flags))
+ 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, geom_flags))
+ 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, geom_flags))
+ return PIPE_FORMAT_R16G16_UNORM;
+ return PIPE_FORMAT_NONE;
+
+ case GL_COMPRESSED_RED_RGTC1:
+ if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_RGTC1_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, geom_flags))
+ return PIPE_FORMAT_RGTC1_SNORM;
+ return PIPE_FORMAT_NONE;
+
+ case GL_COMPRESSED_RG_RGTC2:
+ if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_RGTC2_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, geom_flags))
+ return PIPE_FORMAT_RGTC2_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, geom_flags))
+ 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, geom_flags))
+ 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, geom_flags))
+ 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, geom_flags))
+ 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, geom_flags))
+ 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, geom_flags))
+ return PIPE_FORMAT_R32G32B32A32_USCALED;
+ return PIPE_FORMAT_NONE;
+
default:
return PIPE_FORMAT_NONE;
}
* 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;
/* 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 == GL_TRUE) {
+ if (_mesa_is_depth_format(internalFormat) ||
+ _mesa_is_depth_or_stencil_format(internalFormat))
+ bindings |= PIPE_BIND_DEPTH_STENCIL;
+ else
+ bindings |= PIPE_BIND_RENDER_TARGET;
+ }
pFormat = st_choose_format(screen, internalFormat,
PIPE_TEXTURE_2D, 0, bindings);
return st_pipe_format_to_mesa_format(pFormat);
}
+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;
}
+
+
+
+/**
+ * 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