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GSdx-d3d: tfx.fx correct texture shuffle shaders. 

Some values were incorrect, now I'm no expert but looking at the code
and behavior seemed a bit wrong compared to gl.

Improves d3d rendering on Sonic Unleashed, the purple screen is gone
matching it with gl visuals.
This commit is contained in:
lightningterror 2018-09-17 07:38:07 +02:00
parent 7433ee7fc1
commit 728fa2c1a4
1 changed files with 16 additions and 21 deletions
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37
plugins/GSdx/res/tfx.fx
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@ -815,36 +815,31 @@ PS_OUTPUT ps_main(PS_INPUT input)
PS_OUTPUT output;
if (PS_SHUFFLE){
if (PS_SHUFFLE)
{
uint4 denorm_c = uint4(c * 255.0f + 0.5f);
uint2 denorm_TA = uint2(float2(TA.xy) * 255.0f + 0.5f);
// Mask will take care of the correct destination
if (PS_READ_BA){
if (PS_READ_BA)
c.rb = c.bb;
}
else {
else
c.rb = c.rr;
}
c.g = c.a;
if (PS_READ_BA){
if (denorm_c.a & 0x80)
c.a = float((denorm_c.a & 0x7Fu) | (denorm_TA.y & 0x80u)) / 255.0f;
else
c.a = float((denorm_c.a & 0x7Fu) | (denorm_TA.x & 0x80u)) / 255.0f;
//c.g = c.a;
}
else {
if (denorm_c.g & 0x80)
c.a = float((denorm_c.g & 0x7Fu) | (denorm_TA.y & 0x80u)) / 255.0f;
if (PS_READ_BA)
{
if (denorm_c.a & 0x80u)
c.ga = (float2)(float((denorm_c.a & 0x7Fu) | (denorm_TA.y & 0x80u)) / 255.0f);
else
c.a = float((denorm_c.g & 0x7Fu) | (denorm_TA.x & 0x80u)) / 255.0f;
//c.g = c.a;
c.ga = (float2)(float((denorm_c.a & 0x7Fu) | (denorm_TA.x & 0x80u)) / 255.0f);
}
else
{
if (denorm_c.g & 0x80u)
c.ga = (float2)(float((denorm_c.g & 0x7Fu) | (denorm_TA.y & 0x80u)) / 255.0f);
else
c.ga = (float2)(float((denorm_c.g & 0x7Fu) | (denorm_TA.x & 0x80u)) / 255.0f);
}
//Probably not right :/
//c.g = c.b;
}
output.c1 = c.a * 2; // used for alpha blending