1.21.5 partial

src/main/resources/assets/voxy/shaders/bakery/bufferreorder.comp

@@ -0,0 +1,32 @@
+#version 450
+
+layout(local_size_x = WIDTH, local_size_y = HEIGHT) in;
+
+layout(binding = COLOUR_IN_BINDING) uniform sampler2D colourTexIn;
+layout(binding = DEPTH_IN_BINDING) uniform sampler2D depthTexIn;
+layout(binding = STENCIL_IN_BINDING) uniform usampler2D stencilTexIn;
+layout(binding = BUFFER_OUT_BINDING, std430) writeonly restrict buffer OutBuffer {
+    uvec2[] outBuffer;
+};
+
+void main() {
+    uint localOutIndex = gl_LocalInvocationID.x + gl_LocalInvocationID.y*WIDTH;
+    uint groupOutIndex = (gl_WorkGroupID.x + gl_WorkGroupID.y*3)*(WIDTH*HEIGHT);
+    uint globalOutIndex = groupOutIndex+localOutIndex;
+
+    ivec2 samplePoint = ivec2(gl_GlobalInvocationID.xy);
+
+    uvec2 outPoint = uvec2(0);
+
+    uvec4 colour = clamp(uvec4(texelFetch(colourTexIn, samplePoint, 0)*255), uvec4(0), uvec4(255));//TODO: check that this actually gets to the range of 255
+    colour <<= uvec4(0,8,16,24);//ABGR format!!!
+    outPoint.x = colour.r|colour.g|colour.b|colour.a;
+
+    float depth = clamp(texelFetch(depthTexIn, samplePoint, 0).r, 0, 1);//Opengl grumble grumble
+    uint stencil = texelFetch(stencilTexIn, samplePoint, 0).r;
+    uint value = uint(depth*((1<<24)-1))<<8;
+    value |= stencil;
+    outPoint.y = value;
+
+    outBuffer[globalOutIndex] = outPoint;
+}

src/main/resources/assets/voxy/shaders/bakery/position_tex.vsh

@@ -4,7 +4,7 @@ layout(location=0) in vec3 pos;
 layout(location=1) in vec2 uv;
 layout(location=2) in vec4 _metadata;
 
-layout(location=1) uniform mat4 transform;
+uniform mat4 transform;
 out vec2 texCoord;
 out flat uint metadata;