From 1c0cc775732201f4c4d3ee0d6772be786b3b4aa1 Mon Sep 17 00:00:00 2001 From: Uneven Prankster Date: Sun, 15 Oct 2023 21:28:29 -0300 Subject: A lot has certainly happened! --- .../resources/shaders/glsl430/gol_transfert.glsl | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 raylib/examples/others/resources/shaders/glsl430/gol_transfert.glsl (limited to 'raylib/examples/others/resources/shaders/glsl430/gol_transfert.glsl') diff --git a/raylib/examples/others/resources/shaders/glsl430/gol_transfert.glsl b/raylib/examples/others/resources/shaders/glsl430/gol_transfert.glsl new file mode 100644 index 0000000..a202338 --- /dev/null +++ b/raylib/examples/others/resources/shaders/glsl430/gol_transfert.glsl @@ -0,0 +1,51 @@ +#version 430 + +// Game of life transfert shader + +#define GOL_WIDTH 768 + +// Game Of Life Update Command +// NOTE: matches the structure defined on main program +struct GolUpdateCmd { + uint x; // x coordinate of the gol command + uint y; // y coordinate of the gol command + uint w; // width of the filled zone + uint enabled; // whether to enable or disable zone +}; + +// Local compute unit size +layout (local_size_x = 1, local_size_y = 1, local_size_z = 1) in; + +// Output game of life grid buffer +layout(std430, binding = 1) buffer golBufferLayout +{ + uint golBuffer[]; // golBuffer[x, y] = golBuffer[x + GOL_WIDTH * y] +}; + +// Command buffer +layout(std430, binding = 3) readonly restrict buffer golUpdateLayout +{ + uint count; + GolUpdateCmd commands[]; +}; + +#define isInside(x, y) (((x) >= 0) && ((y) >= 0) && ((x) < GOL_WIDTH) && ((y) < GOL_WIDTH)) +#define getBufferIndex(x, y) ((x) + GOL_WIDTH * (y)) + +void main() +{ + uint cmdIndex = gl_GlobalInvocationID.x; + GolUpdateCmd cmd = commands[cmdIndex]; + + for (uint x = cmd.x; x < (cmd.x + cmd.w); x++) + { + for (uint y = cmd.y; y < (cmd.y + cmd.w); y++) + { + if (isInside(x, y)) + { + if (cmd.enabled != 0) atomicOr(golBuffer[getBufferIndex(x, y)], 1); + else atomicAnd(golBuffer[getBufferIndex(x, y)], 0); + } + } + } +} -- cgit v1.2.3