Anaglyph: Use matrices instead of vectors.

1 files changed, 9 insertions, 11 deletions

diff --git a/Source/Core/VideoBackends/D3D/PixelShaderCache.cpp b/Source/Core/VideoBackends/D3D/PixelShaderCache.cpp
index adafe5e708..045de131a1 100644
--- a/Source/Core/VideoBackends/D3D/PixelShaderCache.cpp
+++ b/Source/Core/VideoBackends/D3D/PixelShaderCache.cpp
@@ -73,17 +73,15 @@ const char anaglyph_program_code[] = {
 	"out float4 ocol0 : SV_Target,\n"
 	"in float4 pos : SV_Position,\n"
 	"in float3 uv0 : TEXCOORD0){\n"
-	"float3 l = Tex0.Sample(samp0, float3(uv0.xy, 0.0)).rgb;\n"
-	"float3 r = Tex0.Sample(samp0, float3(uv0.xy, 1.0)).rgb;\n"
-	"float3 lr = float3(0.437,0.449,0.164);\n"
-	"float3 lg = float3(-0.062,-0.062,-0.024);\n"
-	"float3 lb = float3(-0.048,-0.050,-0.017);\n"
-	"float3 rr = float3(-0.011,-0.032,-0.007);\n"
-	"float3 rg = float3(0.377,0.761,0.009);\n"
-	"float3 rb = float3(-0.026,-0.093,1.234);\n"
-	"float3 c0 = float3(dot(l, lr), dot(l, lg), dot(l, lb));\n"
-	"float3 c1 = float3(dot(r, rr), dot(r, rg), dot(r, rb));\n"
-	"ocol0 = float4(c0 + c1, 1.0);\n"
+	"float4 c0 = Tex0.Sample(samp0, float3(uv0.xy, 0.0));\n"
+	"float4 c1 = Tex0.Sample(samp0, float3(uv0.xy, 1.0));\n"
+	"float3x3 l = float3x3( 0.437, 0.449, 0.164,\n"
+	"                      -0.062,-0.062,-0.024,\n"
+	"                      -0.048,-0.050,-0.017);\n"
+	"float3x3 r = float3x3(-0.011,-0.032,-0.007,\n"
+	"                       0.377, 0.761, 0.009,\n"
+	"                      -0.026,-0.093, 1.234);\n"
+	"ocol0 = float4(mul(l, c0.rgb) + mul(r, c1.rgb), c0.a);\n"
 	"}\n"
 };