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gallivm: add support for R8G8_R8B8 and G8R8_B8R8 formats

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Just to keep lp_test_format happy.

Signed-off-by: Christian König <deathsimple@vodafone.de>
This commit is contained in:
Christian König 2012-03-08 12:16:40 +01:00
parent 4f41f8edb3
commit 461c34c0cb
1 changed files with 42 additions and 0 deletions
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42
src/gallium/auxiliary/gallivm/lp_bld_format_yuv.c
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@ -398,6 +398,42 @@ grgb_to_rgba_aos(struct gallivm_state *gallivm,
return rgba;
}
/**
* Convert from <n x i32> packed GR_BR to <4n x i8> RGBA AoS
*/
static LLVMValueRef
grbr_to_rgba_aos(struct gallivm_state *gallivm,
unsigned n,
LLVMValueRef packed,
LLVMValueRef i)
{
LLVMValueRef r, g, b;
LLVMValueRef rgba;
uyvy_to_yuv_soa(gallivm, n, packed, i, &r, &g, &b);
rgba = rgb_to_rgba_aos(gallivm, n, r, g, b);
return rgba;
}
/**
* Convert from <n x i32> packed RG_RB to <4n x i8> RGBA AoS
*/
static LLVMValueRef
rgrb_to_rgba_aos(struct gallivm_state *gallivm,
unsigned n,
LLVMValueRef packed,
LLVMValueRef i)
{
LLVMValueRef r, g, b;
LLVMValueRef rgba;
yuyv_to_yuv_soa(gallivm, n, packed, i, &r, &g, &b);
rgba = rgb_to_rgba_aos(gallivm, n, r, g, b);
return rgba;
}
/**
* @param n is the number of pixels processed
@ -439,6 +475,12 @@ lp_build_fetch_subsampled_rgba_aos(struct gallivm_state *gallivm,
case PIPE_FORMAT_G8R8_G8B8_UNORM:
rgba = grgb_to_rgba_aos(gallivm, n, packed, i);
break;
case PIPE_FORMAT_G8R8_B8R8_UNORM:
rgba = grbr_to_rgba_aos(gallivm, n, packed, i);
break;
case PIPE_FORMAT_R8G8_R8B8_UNORM:
rgba = rgrb_to_rgba_aos(gallivm, n, packed, i);
break;
default:
assert(0);
rgba = LLVMGetUndef(LLVMVectorType(LLVMInt8TypeInContext(gallivm->context), 4*n));