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mesa/st: add RGTC format support.

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this just adds a format check + format conversion.
This commit is contained in:
Dave Airlie
2011-02-25 09:24:15 +10:00
parent 903726d285
commit 83ebc01c1d
2 changed files with 33 additions and 0 deletions
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16
src/mesa/state_tracker/st_extensions.c
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@@ -416,6 +416,22 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.S3_s3tc = GL_TRUE; ctx->Extensions.S3_s3tc = GL_TRUE;
} }
if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW, 0) &&
screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_SNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW, 0) &&
screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW, 0) &&
screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_SNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW, 0)
) {
ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE;
}
/* ycbcr support */ /* ycbcr support */
if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY,
PIPE_TEXTURE_2D, 0, PIPE_TEXTURE_2D, 0,

17
src/mesa/state_tracker/st_format.c
View File

@@ -241,6 +241,14 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
case MESA_FORMAT_RGBA_UINT32: case MESA_FORMAT_RGBA_UINT32:
return PIPE_FORMAT_R32G32B32A32_USCALED; 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;
default: default:
assert(0); assert(0);
return PIPE_FORMAT_NONE; return PIPE_FORMAT_NONE;
@@ -380,6 +388,15 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
case PIPE_FORMAT_R32G32B32A32_USCALED: case PIPE_FORMAT_R32G32B32A32_USCALED:
return MESA_FORMAT_RGBA_UINT32; 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;
default: default:
assert(0); assert(0);
return MESA_FORMAT_NONE; return MESA_FORMAT_NONE;