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-rw-r--r--src/shader/code/stream.glsl30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/shader/code/stream.glsl b/src/shader/code/stream.glsl
new file mode 100644
index 0000000..7dd5ba8
--- /dev/null
+++ b/src/shader/code/stream.glsl
@@ -0,0 +1,30 @@
+static const std::string STREAM_SHADER_CODE = R"(
+#version 430
+
+layout (local_size_x = 1, local_size_y = 1) in;
+layout (std430, binding=1) buffer bufferCollide{ float collideCells[]; };
+layout (std430, binding=2) buffer bufferStream{ float streamCells[]; };
+
+float get(uint x, uint y, int i, int j) {
+ return collideCells[9*128*y + 9*x + (i+1)*3 + j+1];
+}
+
+void set(uint x, uint y, int i, int j, float v) {
+ streamCells[9*128*y + 9*x + (i+1)*3 + j+1] = v;
+}
+
+void main() {
+ const uint x = gl_GlobalInvocationID.x;
+ const uint y = gl_GlobalInvocationID.y;
+
+ if ( x != 0 && x != 128-1 && y != 0 && y != 128-1 ) {
+ for ( int i = -1; i <= 1; ++i ) {
+ for ( int j = -1; j <= 1; ++j ) {
+ set(x+i,y+j,i,j, get(x,y,i,j));
+ }
+ }
+ } else {
+
+ }
+}
+)";