REVIEWED: example: Compute shader Game-of-life

1 files changed, 29 insertions, 0 deletions

diff --git a/examples/others/resources/shaders/glsl430/gol_render.glsl b/examples/others/resources/shaders/glsl430/gol_render.glsl
new file mode 100644
index 00000000..97a1e99e
--- /dev/null
+++ b/examples/others/resources/shaders/glsl430/gol_render.glsl
@@ -0,0 +1,29 @@
+#version 430
+
+// Game of Life rendering shader
+// Just renders the content of the ssbo at binding 1 to screen
+
+#define GOL_WIDTH 768
+
+// Input vertex attributes (from vertex shader)
+in vec2 fragTexCoord;
+
+// Output fragment color
+out vec4 finalColor;
+
+// Input game of life grid.
+layout(std430, binding = 1) readonly buffer golLayout
+{
+    uint golBuffer[];
+};
+
+// Output resolution
+uniform vec2 resolution;
+
+void main()
+{
+    ivec2 coords = ivec2(fragTexCoord*resolution);
+
+    if ((golBuffer[coords.x + coords.y*uvec2(resolution).x]) == 1) finalColor = vec4(1.0);
+    else finalColor = vec4(0.0, 0.0, 0.0, 1.0);
+}