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Add gamma correction for proper impulse response.

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This commit is contained in:
Westley M. Martinez 2016-12-30 13:18:41 -08:00
parent f1da2ecffa
commit b2682b7c55
1 changed files with 5 additions and 1 deletions
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6
hlsl/phosphor.fx
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@ -13,6 +13,7 @@ texture Diffuse;
sampler DiffuseSampler = sampler_state sampler DiffuseSampler = sampler_state
{ {
Texture = <Diffuse>; Texture = <Diffuse>;
SRGBTexture = TRUE;
MipFilter = LINEAR; MipFilter = LINEAR;
MinFilter = LINEAR; MinFilter = LINEAR;
MagFilter = LINEAR; MagFilter = LINEAR;
@ -26,6 +27,7 @@ texture LastPass;
sampler PreviousSampler = sampler_state sampler PreviousSampler = sampler_state
{ {
Texture = <LastPass>; Texture = <LastPass>;
SRGBTexture = TRUE;
MipFilter = LINEAR; MipFilter = LINEAR;
MinFilter = LINEAR; MinFilter = LINEAR;
MagFilter = LINEAR; MagFilter = LINEAR;
@ -134,11 +136,12 @@ float4 ps_main(PS_INPUT Input) : COLOR
} }
// Prevent burn-in // Prevent burn-in
if (DeltaTime > 0.0f) { if (DeltaTime > 0.0f) {
float threshold = 0.5f / 255.0f; // Half-color increment float threshold = 0.5f / 255.0f / 12.92; // Half-color increment
r = max(0.0f, r - threshold); r = max(0.0f, r - threshold);
g = max(0.0f, g - threshold); g = max(0.0f, g - threshold);
b = max(0.0f, b - threshold); b = max(0.0f, b - threshold);
} }
float RedMax = max(CurrPix.r, r); float RedMax = max(CurrPix.r, r);
float GreenMax = max(CurrPix.g, g); float GreenMax = max(CurrPix.g, g);
float BlueMax = max(CurrPix.b, b); float BlueMax = max(CurrPix.b, b);
@ -155,6 +158,7 @@ technique DefaultTechnique
{ {
pass Pass0 pass Pass0
{ {
SRGBWriteEnable = TRUE;
Lighting = FALSE; Lighting = FALSE;
VertexShader = compile vs_2_0 vs_main(); VertexShader = compile vs_2_0 vs_main();