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The YUV offset is 16 / 255, not 16 / 256

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This commit is contained in:
Alfred Reynolds 2014-07-03 10:22:12 -07:00
parent 5844991980
commit 156e48e6bf
3 changed files with 13 additions and 11 deletions
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8
src/render/direct3d/SDL_render_d3d.c
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@ -41,6 +41,8 @@
#ifdef ASSEMBLE_SHADER
#pragma comment(lib, "d3dx9.lib")
/**************************************************************************
* ID3DXBuffer:
* ------------
@ -689,7 +691,7 @@ D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
PS_OUTPUT YUV420( VS_OUTPUT In )
{
const float3 offset = {-0.0625, -0.5, -0.5};
const float3 offset = {-0.0627451017, -0.501960814, -0.501960814};
const float3 Rcoeff = {1.164, 0.000, 1.596};
const float3 Gcoeff = {1.164, -0.391, -0.813};
const float3 Bcoeff = {1.164, 2.018, 0.000};
@ -721,7 +723,7 @@ D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
*/
const char *shader_text =
"ps_2_0\n"
"def c0, -0.0625, -0.5, -0.5, 1\n"
"def c0, -0.0627451017, -0.501960814, -0.501960814, 1\n"
"def c1, 1.16400003, 0, 1.59599996, 0\n"
"def c2, 1.16400003, -0.391000003, -0.813000023, 0\n"
"def c3, 1.16400003, 2.01799989, 0, 0\n"
@ -758,7 +760,7 @@ D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
}
#else
const DWORD shader_data[] = {
0xffff0200, 0x05000051, 0xa00f0000, 0xbd800000, 0xbf000000, 0xbf000000,
0xffff0200, 0x05000051, 0xa00f0000, 0xbd808081, 0xbf008081, 0xbf008081,
0x3f800000, 0x05000051, 0xa00f0001, 0x3f94fdf4, 0x00000000, 0x3fcc49ba,
0x00000000, 0x05000051, 0xa00f0002, 0x3f94fdf4, 0xbec83127, 0xbf5020c5,
0x00000000, 0x05000051, 0xa00f0003, 0x3f94fdf4, 0x400126e9, 0x00000000,