From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- .../direct3d12/D3D12_PixelShader_Common.hlsli | 236 --------------------- 1 file changed, 236 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/render/direct3d12/D3D12_PixelShader_Common.hlsli (limited to 'contrib/SDL-3.2.8/src/render/direct3d12/D3D12_PixelShader_Common.hlsli') diff --git a/contrib/SDL-3.2.8/src/render/direct3d12/D3D12_PixelShader_Common.hlsli b/contrib/SDL-3.2.8/src/render/direct3d12/D3D12_PixelShader_Common.hlsli deleted file mode 100644 index ba32e0c..0000000 --- a/contrib/SDL-3.2.8/src/render/direct3d12/D3D12_PixelShader_Common.hlsli +++ /dev/null @@ -1,236 +0,0 @@ -#include "D3D12_Shader_Common.hlsli" - -Texture2D texture0 : register(t0); -Texture2D texture1 : register(t1); -Texture2D texture2 : register(t2); -SamplerState sampler0 : register(s0); - -struct PixelShaderInput -{ - float4 pos : SV_POSITION; - float2 tex : TEXCOORD0; - float4 color : COLOR0; -}; - -// These should mirror the definitions in SDL_render_d3d12.c -static const float TONEMAP_NONE = 0; -static const float TONEMAP_LINEAR = 1; -static const float TONEMAP_CHROME = 2; - -static const float TEXTURETYPE_NONE = 0; -static const float TEXTURETYPE_RGB = 1; -static const float TEXTURETYPE_NV12 = 2; -static const float TEXTURETYPE_NV21 = 3; -static const float TEXTURETYPE_YUV = 4; - -static const float INPUTTYPE_UNSPECIFIED = 0; -static const float INPUTTYPE_SRGB = 1; -static const float INPUTTYPE_SCRGB = 2; -static const float INPUTTYPE_HDR10 = 3; - -cbuffer Constants : register(b1) -{ - float scRGB_output; - float texture_type; - float input_type; - float color_scale; - - float tonemap_method; - float tonemap_factor1; - float tonemap_factor2; - float sdr_white_point; - - float4 Yoffset; - float4 Rcoeff; - float4 Gcoeff; - float4 Bcoeff; -}; - -static const float3x3 mat709to2020 = { - { 0.627404, 0.329283, 0.043313 }, - { 0.069097, 0.919541, 0.011362 }, - { 0.016391, 0.088013, 0.895595 } -}; - -static const float3x3 mat2020to709 = { - { 1.660496, -0.587656, -0.072840 }, - { -0.124547, 1.132895, -0.008348 }, - { -0.018154, -0.100597, 1.118751 } -}; - -float sRGBtoLinear(float v) -{ - if (v <= 0.04045) { - v = (v / 12.92); - } else { - v = pow(abs(v + 0.055) / 1.055, 2.4); - } - return v; -} - -float sRGBfromLinear(float v) -{ - if (v <= 0.0031308) { - v = (v * 12.92); - } else { - v = (pow(abs(v), 1.0 / 2.4) * 1.055 - 0.055); - } - return v; -} - -float3 PQtoLinear(float3 v) -{ - const float c1 = 0.8359375; - const float c2 = 18.8515625; - const float c3 = 18.6875; - const float oo_m1 = 1.0 / 0.1593017578125; - const float oo_m2 = 1.0 / 78.84375; - - float3 num = max(pow(abs(v), oo_m2) - c1, 0.0); - float3 den = c2 - c3 * pow(abs(v), oo_m2); - return (10000.0 * pow(abs(num / den), oo_m1) / sdr_white_point); -} - -float3 ApplyTonemap(float3 v) -{ - if (tonemap_method == TONEMAP_LINEAR) { - v *= tonemap_factor1; - } else if (tonemap_method == TONEMAP_CHROME) { - if (input_type == INPUTTYPE_SCRGB) { - // Convert to BT.2020 colorspace for tone mapping - v = mul(mat709to2020, v); - } - - float vmax = max(v.r, max(v.g, v.b)); - if (vmax > 0.0) { - float scale = (1.0 + tonemap_factor1 * vmax) / (1.0 + tonemap_factor2 * vmax); - v *= scale; - } - - if (input_type == INPUTTYPE_SCRGB) { - // Convert to BT.709 colorspace after tone mapping - v = mul(mat2020to709, v); - } - } - return v; -} - -float4 GetInputColor(PixelShaderInput input) -{ - float4 rgba; - - if (texture_type == TEXTURETYPE_NONE) { - rgba = 1.0; - } else if (texture_type == TEXTURETYPE_RGB) { - rgba = texture0.Sample(sampler0, input.tex); - } else if (texture_type == TEXTURETYPE_NV12) { - float3 yuv; - yuv.x = texture0.Sample(sampler0, input.tex).r; - yuv.yz = texture1.Sample(sampler0, input.tex).rg; - - yuv += Yoffset.xyz; - rgba.r = dot(yuv, Rcoeff.xyz); - rgba.g = dot(yuv, Gcoeff.xyz); - rgba.b = dot(yuv, Bcoeff.xyz); - rgba.a = 1.0; - } else if (texture_type == TEXTURETYPE_NV21) { - float3 yuv; - yuv.x = texture0.Sample(sampler0, input.tex).r; - yuv.yz = texture1.Sample(sampler0, input.tex).gr; - - yuv += Yoffset.xyz; - rgba.r = dot(yuv, Rcoeff.xyz); - rgba.g = dot(yuv, Gcoeff.xyz); - rgba.b = dot(yuv, Bcoeff.xyz); - rgba.a = 1.0; - } else if (texture_type == TEXTURETYPE_YUV) { - float3 yuv; - yuv.x = texture0.Sample(sampler0, input.tex).r; - yuv.y = texture1.Sample(sampler0, input.tex).r; - yuv.z = texture2.Sample(sampler0, input.tex).r; - - yuv += Yoffset.xyz; - rgba.r = dot(yuv, Rcoeff.xyz); - rgba.g = dot(yuv, Gcoeff.xyz); - rgba.b = dot(yuv, Bcoeff.xyz); - rgba.a = 1.0; - } else { - // Error! - rgba.r = 1.0; - rgba.g = 0.0; - rgba.b = 0.0; - rgba.a = 1.0; - } - return rgba; -} - -float4 GetOutputColor(float4 rgba) -{ - float4 output; - - output.rgb = rgba.rgb * color_scale; - output.a = rgba.a; - - return output; -} - -float3 GetOutputColorFromSRGB(float3 rgb) -{ - float3 output; - - if (scRGB_output) { - rgb.r = sRGBtoLinear(rgb.r); - rgb.g = sRGBtoLinear(rgb.g); - rgb.b = sRGBtoLinear(rgb.b); - } - - output.rgb = rgb * color_scale; - - return output; -} - -float3 GetOutputColorFromLinear(float3 rgb) -{ - float3 output; - - output.rgb = rgb * color_scale; - - if (!scRGB_output) { - output.r = sRGBfromLinear(output.r); - output.g = sRGBfromLinear(output.g); - output.b = sRGBfromLinear(output.b); - output.rgb = saturate(output.rgb); - } - - return output; -} - -float4 AdvancedPixelShader(PixelShaderInput input) -{ - float4 rgba = GetInputColor(input); - float4 output; - - if (input_type == INPUTTYPE_HDR10) { - rgba.rgb = PQtoLinear(rgba.rgb); - } - - if (tonemap_method != TONEMAP_NONE) { - rgba.rgb = ApplyTonemap(rgba.rgb); - } - - if (input_type == INPUTTYPE_SRGB) { - output.rgb = GetOutputColorFromSRGB(rgba.rgb); - output.a = rgba.a; - } else if (input_type == INPUTTYPE_SCRGB) { - output.rgb = GetOutputColorFromLinear(rgba.rgb); - output.a = rgba.a; - } else if (input_type == INPUTTYPE_HDR10) { - rgba.rgb = mul(mat2020to709, rgba.rgb); - output.rgb = GetOutputColorFromLinear(rgba.rgb); - output.a = rgba.a; - } else { - output = GetOutputColor(rgba); - } - - return output * input.color; -} -- cgit v1.2.3