Tinkering trying to add intel gpu support, however its multidrawindirect does not work correctly, might need to try multidrawindrectcounted

src/main/resources/assets/voxelmon/shaders/lod/gl46/bindings.glsl

@@ -70,5 +70,8 @@ layout(binding = 7, std430) readonly restrict buffer LightingBuffer {
 };
 
 vec4 getLighting(uint index) {
-    return vec4((uvec4(lightData[index])>>uvec4(16,8,0,24))&uvec4(0xFF))*vec4(1f/255.0f);
+    uvec4 arr = uvec4(lightData[index]);
+    arr = arr>>uvec4(16,8,0,24);
+    arr = arr & uvec4(0xFF);
+    return vec4(arr)*vec4(1.0f/255.0f);
 }

src/main/resources/assets/voxelmon/shaders/lod/gl46/cmdgen.comp

@@ -26,6 +26,9 @@ uint encodeLocalLodPos(uint detail, ivec3 pos) {
     return (detail<<29)|(detla.x<<20)|(detla.y<<11)|(detla.z<<2);
 }
 
+
+//TODO: swap to a multidraw indirect counted
+
 void main() {
     if (gl_GlobalInvocationID.x >= sectionCount) {
         return;
@@ -37,16 +40,14 @@ void main() {
     vec3 cornerPos = vec3(((ipos<<detail)-baseSectionPos)<<5)-cameraSubPos;
 
 
-    bool shouldRender = testFrustum(frustum, cornerPos, cornerPos+vec3(1<<(detail+5)));
-
     //Check the occlusion data from last frame
-    if (visibilityData[gl_GlobalInvocationID.x] != frameId - 1) {
-        shouldRender = false;
-    }
+    bool shouldRender = visibilityData[gl_GlobalInvocationID.x] == frameId - 1;
+
     //Clear the occlusion data (not strictly? needed? i think???)
     //visibilityData[gl_GlobalInvocationID.x] = 0;
 
     //TODO: need to make it check that only if it was also in the frustum last frame does it apply the visibilityData check!
+    // this fixes temporal coherance
 
     //This prevents overflow of the relative position encoder
     if (shouldRender) {

src/main/resources/assets/voxelmon/shaders/lod/gl46/quad_format.glsl

@@ -33,29 +33,39 @@ uint extractLightId(uint64_t quad) {
 
 #define Quad ivec2
 
-#define Eu32(data, amountBits, shift) (uint((data)>>(shift))&((1u<<(amountBits))-1))
+//#define Eu32(data, amountBits, shift) (uint((data)>>(shift))&((1u<<(amountBits))-1))
+
+uint Eu32v(ivec2 data, int amount, int shift) {
+    if (shift > 31) {
+        shift -= 32;
+        return (uint(data.y)>>uint(shift))&((1u<<uint(amount))-1);
+    } else {
+        return (uint(data.x)>>uint(shift))&((1u<<uint(amount))-1);
+    }
+}
 
 vec3 extractPos(ivec2 quad) {
-    return vec3(0);
+    return vec3(Eu32v(quad, 5, 21), Eu32v(quad, 5, 16), Eu32v(quad, 5, 11));
 }
 
 ivec2 extractSize(ivec2 quad) {
-    return ivec2(0);
+    return ivec2(Eu32v(quad, 4, 3), Eu32v(quad, 4, 7)) + ivec2(1);//the + 1 is cause you cant actually have a 0 size quad
 }
 
 uint extractFace(ivec2 quad) {
-    return quad.y&7;
+    return Eu32v(quad, 3, 0);
 }
 
 uint extractStateId(ivec2 quad) {
-    return 0;
+    //Eu32(quad, 20, 26);
+    return 1;
 }
 
 uint extractBiomeId(ivec2 quad) {
-    return 0;
+    return Eu32v(quad, 9, 46);
 }
 
 uint extractLightId(ivec2 quad) {
-    return 0;
+    return Eu32v(quad, 8, 55);
 }
 #endif