chore: initial commit

src/shaders/comp.glsl

@@ -0,0 +1,11 @@
+#version 460
+
+layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in;
+layout(set = 0, binding = 0) buffer Data {
+    uint data[];
+} buf;
+
+void main() {
+    uint idx = gl_GlobalInvocationID.x;
+    buf.data[idx] *= 12;
+}

src/shaders/mandelbrot.glsl

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+#version 460
+
+layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in;
+layout(set = 0, binding = 0, rgba8) uniform writeonly image2D img;
+
+void main() {
+    // Some normalized xy coord, plus 0.5, which gets the center of a pixel. Then it is
+    // normalized to the size of the image.
+    vec2 norm_coords = (gl_GlobalInvocationID.xy + vec2(0.5)) / vec2(imageSize(img));
+    // Need to look this up - not sure what this is.
+    // C is in the set when it is diverging when iterated from z = 0.
+    vec2 c = (norm_coords - vec2(0.5)) * 2.0 - vec2(1.0, 0.0);
+    vec2 z = vec2(0.0);
+
+    float i;
+    for (i = 0.0; i < 1.0; i += 0.005) {
+        z = vec2(
+            (z.x * z.x) - (z.y * z.y) + c.x,
+            (z.y * z.x) + (z.x * z.y) + c.y
+        );
+
+        if (length(z) > 4.0) {
+            break;
+        }
+    }
+
+    vec4 to_write = vec4(vec3(i), 1.0);
+    imageStore(img, ivec2(gl_GlobalInvocationID.xy), to_write);
+}

src/shaders/triangle_frag.glsl

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+#version 460
+
+layout(location = 0) out vec4 f_color;
+
+void main() {
+    f_color = vec4(1.0, 0.0, 0.0, 1.0);
+}

src/shaders/triangle_vert.glsl

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+#version 460
+
+layout(location = 0) in vec2 position;
+
+void main() {
+    gl_Position = vec4(position, 0.0, 1.0);
+}