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-rw-r--r--BuddhaTest/Shaders/BuddhaCompute.glsl27
-rw-r--r--BuddhaTest/Shaders/BuddhaFragment.glsl28
-rw-r--r--BuddhaTest/Shaders/BuddhaVertex.glsl11
3 files changed, 66 insertions, 0 deletions
diff --git a/BuddhaTest/Shaders/BuddhaCompute.glsl b/BuddhaTest/Shaders/BuddhaCompute.glsl
new file mode 100644
index 0000000..49209ae
--- /dev/null
+++ b/BuddhaTest/Shaders/BuddhaCompute.glsl
@@ -0,0 +1,27 @@
+#version 430
+
+layout(std430, binding=2) buffer renderedData
+{
+ uint width;
+ uint height;
+ uint counts_SSBO[];
+};
+
+uniform uint iterationCount;
+
+void addToColorAt(uvec2 cell, uvec3 toAdd)
+{
+ uint firstIndex = 3*(cell.x + cell.y * width);
+ atomicAdd(counts_SSBO[firstIndex],toAdd.x);
+ atomicAdd(counts_SSBO[firstIndex+1],toAdd.y);
+ atomicAdd(counts_SSBO[firstIndex+2],toAdd.z);
+}
+
+
+layout (local_size_x = 1, local_size_y = 1) in;
+void main() {
+ if(iterationCount < 1024)
+ addToColorAt(uvec2(iterationCount%width,iterationCount/width),uvec3(1,0,0));
+ else
+ addToColorAt(uvec2(iterationCount%width,iterationCount/width),uvec3(0,1,0));
+}
diff --git a/BuddhaTest/Shaders/BuddhaFragment.glsl b/BuddhaTest/Shaders/BuddhaFragment.glsl
new file mode 100644
index 0000000..4978765
--- /dev/null
+++ b/BuddhaTest/Shaders/BuddhaFragment.glsl
@@ -0,0 +1,28 @@
+#version 430 core
+
+in vec2 uv;
+
+out vec3 color;
+
+layout(std430, binding=2) buffer renderedData
+{
+ uint width;
+ uint height;
+ uint counts_SSBO[];
+};
+
+uvec3 getColorAt(vec2 fragCoord)
+{
+ uint xIndex = uint(max(0.0,(fragCoord.x+1.0)*0.5*width));
+ uint yIndex = uint(max(0.0,(fragCoord.y+1.0)*0.5*height));
+ uint firstIndex = 3*(xIndex + yIndex * width);
+ return uvec3(counts_SSBO[firstIndex],counts_SSBO[firstIndex+1],counts_SSBO[firstIndex+2]);
+}
+
+void main(){
+ uvec3 totalCount = getColorAt(uv) + getColorAt(vec2(uv.x, -uv.y));
+ uvec3 brightness = getColorAt(vec2(-0.2390625,0));
+
+ vec3 scaled = vec3(totalCount)/max(length(vec3(brightness)),1.0);
+ color = scaled;
+}
diff --git a/BuddhaTest/Shaders/BuddhaVertex.glsl b/BuddhaTest/Shaders/BuddhaVertex.glsl
new file mode 100644
index 0000000..686eeb4
--- /dev/null
+++ b/BuddhaTest/Shaders/BuddhaVertex.glsl
@@ -0,0 +1,11 @@
+#version 430 core
+
+layout(location = 0) in vec3 vertexPosition_modelspace;
+
+out vec2 uv;
+
+void main(){
+ gl_Position.xyz = vertexPosition_modelspace;
+ gl_Position.w = 1.0;
+ uv = gl_Position.xy;
+} \ No newline at end of file