Initial commit: Minecraft 光追着色器包（从零实现的 path tracing）

shaders/Lib/UniformDeclare.glsl

@@ -0,0 +1,34 @@
+// MinecraftPT — Custom resource declarations
+// The shader loader auto-declares standard uniforms, colortex/depthtex/shadowcolor
+// samplers, noisetex and tex. This file only declares CUSTOM samplers and images
+// (bound via shaders.properties customTexture / image declarations).
+
+#ifndef UNIFORM_DECLARE_GLSL
+#define UNIFORM_DECLARE_GLSL
+
+// Custom textures (from customTexture.* in shaders.properties)
+uniform sampler2D atlas2D;
+uniform sampler2D atlasSpecular2D;
+uniform sampler3D CloudNoise3D;
+uniform sampler3D CloudDetailedNoise3D;
+uniform sampler2D ripple2D;
+
+// Custom image samplers (from image.img_* in shaders.properties)
+uniform sampler3D voxelData3D;
+uniform sampler2D skyBox2D;
+uniform sampler2D prevDepth2D;
+uniform sampler2D rtwImportance2D;
+uniform sampler2D rtwWarp1D;
+uniform sampler2D pixelData2D;
+
+// Custom image bindings (write access)
+layout(rgba16) uniform writeonly image3D img_voxelData3D;
+layout(rgba16f) uniform writeonly image3D img_irradianceCache3D;
+layout(rgba16f) uniform writeonly image3D img_irradianceCache3D_Alt;
+layout(rgba16f) uniform writeonly image2D img_skyBox2D;
+layout(r32f) uniform writeonly image2D img_prevDepth2D;
+layout(r32f) uniform writeonly image2D img_rtwImportance2D;
+layout(rg16) uniform writeonly image2D img_rtwWarp1D;
+layout(rg16f) uniform writeonly image2D img_pixelData2D;
+
+#endif