mirror of
https://github.com/libretro/pcsx2.git
synced 2024-12-12 12:09:34 +00:00
Update GSdx.fx
Update to 2.3 & resolve OGL.
This commit is contained in:
Kieran Hanrahan
parent
3a14a63b0f
commit
a1a5b25b91
@ -23,7 +23,7 @@
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#endif
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#if defined(SHADER_MODEL) && (SHADER_MODEL <= 0x300)
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#error GSdx FX requires shader model 4.0(Direct3D10) or higher. Use GSdx DX10/11.
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#error GSdx FX is not compatible with GSdx9. Use GSdx OGL or DX10/11.
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#endif
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#ifdef SHADER_MODEL
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@ -34,7 +34,6 @@
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[GLOBALS|FUNCTIONS]
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------------------------------------------------------------------------------*/
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#if GLSL == 1
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#define int2 ivec2
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#define float2 vec2
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#define float3 vec3
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@ -606,7 +605,6 @@ float4 FxaaPixelShader(float2 pos, FxaaTex tex, float2 fxaaRcpFrame, float fxaaS
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float4 FxaaPass(float4 FxaaColor, float2 texcoord)
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{
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#if GLSL == 1
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tex = TextureSampler;
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FxaaColor = FxaaPixelShader(texcoord, TextureSampler, pixelSize.xy, FxaaSubpixMax, FxaaEdgeThreshold, FxaaEdgeThresholdMin);
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#else
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FxaaTex tex;
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@ -1134,18 +1132,18 @@ float3 BlendScreen(float3 bloom, float3 blend)
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return (bloom + blend) - (bloom * blend);
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}
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float3 BlendAddGlow(float3 bloom, float3 blend)
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float3 BlendGlow(float3 bloom, float3 blend)
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{
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float glow = smootherstep(0.0, 1.0, AvgLuminance(bloom));
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return lerp(saturate(bloom + blend),
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float glow = AvgLuminance(bloom);
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return lerp((bloom + blend) - (bloom * blend),
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(blend + blend) - (blend * blend), glow);
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}
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float3 BlendGlow(float3 bloom, float3 blend)
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float3 BlendAddGlow(float3 bloom, float3 blend)
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{
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float glow = smootherstep(0.0, 1.0, AvgLuminance(bloom));
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return lerp((bloom + blend) - (bloom * blend),
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(blend + blend) - (blend * blend), glow);
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float addglow = smootherstep(0.0, 1.0, AvgLuminance(bloom));
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return lerp(saturate(bloom + blend),
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(blend + blend) - (blend * blend), addglow);
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}
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float3 BlendLuma(float3 bloom, float3 blend)
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@ -1162,16 +1160,6 @@ float3 BlendOverlay(float3 bloom, float3 blend)
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(1.0 - bloom) * (1.0 - blend))), overlay);
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}
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float4 PyramidFilter(sampler tex, float2 texcoord, float2 width)
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{
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float4 X = sample_tex(tex, texcoord + float2(0.5, 0.5) * width);
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float4 Y = sample_tex(tex, texcoord + float2(-0.5, 0.5) * width);
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float4 Z = sample_tex(tex, texcoord + float2(0.5, -0.5) * width);
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float4 W = sample_tex(tex, texcoord + float2(-0.5, -0.5) * width);
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return (X + Y + Z + W) / 4.0;
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}
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float3 BloomCorrection(float3 color)
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{
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float3 bloom = color;
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@ -1184,23 +1172,41 @@ float3 BloomCorrection(float3 color)
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bloom.g = saturate(color.g + float(BloomGreens) * bloom.g);
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bloom.b = saturate(color.b + float(BloomBlues) * bloom.b);
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color = saturate(bloom);
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color = bloom;
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return color;
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}
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float4 DefocusFilter(SamplerState tex, float2 texcoord, float2 defocus)
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{
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float2 texel = pixelSize * defocus;
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float4 sampleA = sample_tex(tex, texcoord + float2(0.5, 0.5) * texel);
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float4 sampleB = sample_tex(tex, texcoord + float2(-0.5, 0.5) * texel);
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float4 sampleC = sample_tex(tex, texcoord + float2(0.5, -0.5) * texel);
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float4 sampleD = sample_tex(tex, texcoord + float2(-0.5, -0.5) * texel);
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float fx = frac(texcoord.x * screenSize.x);
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float fy = frac(texcoord.y * screenSize.y);
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float4 interpolateA = lerp(sampleA, sampleB, fx);
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float4 interpolateB = lerp(sampleC, sampleD, fx);
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return lerp(interpolateA, interpolateB, fy);
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}
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float4 BloomPass(float4 color, float2 texcoord)
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{
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float anflare = 4.0;
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float2 defocus = float2(BloomDefocus, BloomDefocus);
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float4 bloom = PyramidFilter(TextureSampler, texcoord, pixelSize * defocus);
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float4 bloom = DefocusFilter(TextureSampler, texcoord, defocus);
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float2 dx = float2(pixelSize.x * float(BloomWidth), 0.0);
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float2 dy = float2(0.0, pixelSize.y * float(BloomWidth));
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float2 mdx = mul(dx, 2.0);
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float2 mdy = mul(dy, 2.0);
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float2 mdx = float2(dx.x * defocus.x, 0.0);
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float2 mdy = float2(0.0, dy.y * defocus.y);
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float4 blend = bloom * 0.22520613262190495;
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@ -1237,9 +1243,9 @@ float4 BloomPass(float4 color, float2 texcoord)
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bloom.xyz = BloomType(bloom.xyz, blend.xyz);
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bloom.xyz = BloomCorrection(bloom.xyz);
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color.a = AvgLuminance(color.xyz);
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bloom.a = AvgLuminance(bloom.xyz);
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bloom.a *= anflare;
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color.w = AvgLuminance(color.xyz);
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bloom.w = AvgLuminance(bloom.xyz);
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bloom.w *= anflare;
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color = lerp(color, bloom, float(BloomStrength));
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@ -1252,68 +1258,96 @@ float4 BloomPass(float4 color, float2 texcoord)
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------------------------------------------------------------------------------*/
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#if SCENE_TONEMAPPING == 1
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float3 FilmicCurve(float3 color)
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float3 ScaleLuminance(float3 x)
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{
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float W = 1.02;
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float L = 0.06;
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float C = 1.02;
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float N = clamp(0.76 + ToneAmount, 1.0, 2.0);
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float K = (N - L * C) / C;
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float3 tone = L * C + (1.0 - L * C) * (1.0 + K * (x - L) /
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((W - L) * (W - L))) * (x - L) / (x - L + K);
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return tone;
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}
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float3 TmMask(float3 color)
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{
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float3 tone = color;
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float highTone = 6.2; float greyTone = 0.4;
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float midTone = 1.620; float lowTone = 0.06;
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tone.r = (tone.r * (highTone * tone.r + greyTone))/(
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tone.r * (highTone * tone.r + midTone) + lowTone);
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tone.g = (tone.g * (highTone * tone.g + greyTone))/(
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tone.g * (highTone * tone.g + midTone) + lowTone);
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tone.b = (tone.b * (highTone * tone.b + greyTone))/(
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tone.b * (highTone * tone.b + midTone) + lowTone);
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static const float gamma = 2.42;
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tone = EncodeGamma(tone, gamma);
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color = lerp(color, tone, float(MaskStrength));
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return color;
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}
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float3 TmCurve(float3 color)
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{
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float3 T = color;
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float tnamn = ToneAmount;
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float A = 0.100;
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float B = 0.300;
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float C = 0.100;
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float D = tnamn;
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float E = 0.020;
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float F = 0.300;
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float W = 1.012;
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float tnamn = ToneAmount;
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float blevel = length(T);
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float bmask = pow(blevel, 0.02);
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float A = 0.100; float B = 0.300;
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float C = 0.100; float D = tnamn;
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float E = 0.020; float F = 0.300;
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float W = 1.000;
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T.r = ((T.r*(A*T.r + C*B) + D*E) / (T.r*(A*T.r + B) + D*F)) - E / F;
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T.g = ((T.g*(A*T.g + C*B) + D*E) / (T.g*(A*T.g + B) + D*F)) - E / F;
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T.b = ((T.b*(A*T.b + C*B) + D*E) / (T.b*(A*T.b + B) + D*F)) - E / F;
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float denom = ((W*(A*W + C*B) + D*E) / (W*(A*W + B) + D*F)) - E / F;
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float3 black = float3(bmask, bmask, bmask);
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float3 white = float3(denom, denom, denom);
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T = T / white;
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T = T * black;
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color = saturate(T);
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return color;
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}
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float3 FilmicTonemap(float3 color)
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{
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float3 tone = color;
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float3 black = float3(0.0, 0.0, 0.0);
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tone = max(black, tone);
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tone.r = (tone.r * (6.2 * tone.r + 0.5)) / (tone.r * (6.2 * tone.r + 1.66) + 0.066);
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tone.g = (tone.g * (6.2 * tone.g + 0.5)) / (tone.g * (6.2 * tone.g + 1.66) + 0.066);
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tone.b = (tone.b * (6.2 * tone.b + 0.5)) / (tone.b * (6.2 * tone.b + 1.66) + 0.066);
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static const float gamma = 2.42;
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tone = EncodeGamma(tone, gamma);
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color = lerp(color, tone, float(FilmStrength));
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return color;
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}
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float4 TonemapPass(float4 color, float2 texcoord)
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{
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float3 tonemap = color.rgb;
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float blackLevel = length(tonemap);
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tonemap = ScaleLuminance(tonemap);
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#if GLSL == 1
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float luminanceAverage = AvgLuminance(float3(Luminance));
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#else
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float luminanceAverage = AvgLuminance(Luminance);
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float bmax = max(color.r, max(color.g, color.b));
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#endif
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float blevel = pow(saturate(bmax), float(BlackLevels));
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color.rgb = color.rgb * blevel;
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if (FilmOperator == 1) { color.rgb = FilmicTonemap(color.rgb); }
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if (TonemapType == 1) { color.rgb = FilmicCurve(color.rgb); }
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if (TonemapMask == 1) { tonemap = TmMask(tonemap); }
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if (TonemapType == 1) { tonemap = TmCurve(tonemap); }
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// RGB -> XYZ conversion
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const float3x3 RGB2XYZ = float3x3(0.4124564, 0.3575761, 0.1804375,
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0.2126729, 0.7151522, 0.0721750,
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0.0193339, 0.1191920, 0.9503041);
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float3 XYZ = mul(RGB2XYZ, color.rgb);
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float3 XYZ = mul(RGB2XYZ, tonemap);
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// XYZ -> Yxy conversion
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float3 Yxy;
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@ -1325,7 +1359,7 @@ float4 TonemapPass(float4 color, float2 texcoord)
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// (Wt) Tone mapped scaling of the initial wp before input modifiers
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float Wt = saturate(Yxy.r / AvgLuminance(XYZ));
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if (TonemapType == 2) { Yxy.r = FilmicCurve(Yxy).r; }
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if (TonemapType == 2) { Yxy.r = TmCurve(Yxy).r; }
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// (Lp) Map average luminance to the middlegrey zone by scaling pixel luminance
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float Lp = Yxy.r * float(Exposure) / (luminanceAverage + Epsilon);
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@ -1341,12 +1375,19 @@ float4 TonemapPass(float4 color, float2 texcoord)
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XYZ.g = Yxy.r; // copy luminance Y
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XYZ.b = Yxy.r * (1.0 - Yxy.g - Yxy.b) / Yxy.b; // Z = Y * (1-x-y) / y
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if (TonemapType == 3) { XYZ = TmCurve(XYZ); }
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// XYZ -> RGB conversion
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const float3x3 XYZ2RGB = float3x3(3.2404542,-1.5371385,-0.4985314,
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-0.9692660, 1.8760108, 0.0415560,
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0.0556434,-0.2040259, 1.0572252);
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color.rgb = mul(XYZ2RGB, XYZ);
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tonemap = mul(XYZ2RGB, XYZ);
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float shadowmask = pow(saturate(blackLevel), float(BlackLevels));
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tonemap = tonemap * float3(shadowmask, shadowmask, shadowmask);
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color.rgb = tonemap;
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color.a = AvgLuminance(color.rgb);
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return color;
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@ -1358,14 +1399,6 @@ float4 TonemapPass(float4 color, float2 texcoord)
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------------------------------------------------------------------------------*/
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#if CROSS_PROCESSING == 1
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float MidLuminance(float3 color)
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{
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return sqrt(
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(color.x * color.x * 0.3333) +
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(color.y * color.y * 0.3333) +
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(color.z * color.z * 0.3333));
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}
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float3 CrossShift(float3 color)
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{
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float3 cross;
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@ -1379,7 +1412,7 @@ float3 CrossShift(float3 color)
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cross.y = float(GreenShift) * CrossMatrix[1].x + CrossMatrix[1].y;
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cross.z = float(BlueShift) * CrossMatrix[2].x + CrossMatrix[2].y;
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float lum = MidLuminance(color);
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float lum = AvgLuminance(color);
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float3 black = float3(0.0, 0.0, 0.0);
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float3 white = float3(1.0, 1.0, 1.0);
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@ -1573,7 +1606,7 @@ float4 ContrastPass(float4 color, float2 texcoord)
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//S-Curve - Cubic Bezier spline
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float3 a = float3(0.00, 0.00, 0.00); //start point
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float3 b = float3(0.25, 0.25, 0.25); //control point 1
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float3 c = float3(0.80, 0.80, 0.80); //control point 2
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float3 c = float3(0.85, 0.85, 0.85); //control point 2
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float3 d = float3(1.00, 1.00, 1.00); //endpoint
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float3 ab = lerp(a, b, x); //point between a and b (green)
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@ -2075,10 +2108,6 @@ PS_OUTPUT ps_main(VS_OUTPUT input)
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color = ColorGrading(color, texcoord);
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#endif
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#if SCENE_TONEMAPPING == 1
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color = TonemapPass(color, texcoord);
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#endif
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#if COLOR_CORRECTION == 1
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color = CorrectionPass(color, texcoord);
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#endif
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@ -2087,6 +2116,10 @@ PS_OUTPUT ps_main(VS_OUTPUT input)
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color = CrossPass(color, texcoord);
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#endif
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#if SCENE_TONEMAPPING == 1
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color = TonemapPass(color, texcoord);
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#endif
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#if BLENDED_BLOOM == 1
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color = BloomPass(color, texcoord);
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#endif
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