Persson-dev/RealTimeFractal
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optimize dispatch calls

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This commit is contained in:
Simon Pribylski
2025-11-08 22:23:22 +01:00
parent 9f40a59612
commit db1bbd6d0a
3 changed files with 22 additions and 11 deletions
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15
Shaders/Compute.glsl
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@@ -2,6 +2,8 @@
layout(rgba32f, binding = 0) uniform writeonly image2D outputImage;
layout(location = 0) uniform uint triangleCount;
layout(std430, binding = 3) buffer layoutName
{
vec2 o_Points[];
@@ -26,16 +28,19 @@ layout(std430, binding = 3) buffer layoutName
// gl_WorkGroupID : This is the current work group for this shader invocation. Each of the XYZ components will be on the half-open range [0, gl_NumWorkGroups.XYZ).
// gl_LocalInvocationID : This is the current invocation of the shader within the work group. Each of the XYZ components will be on the half-open range [0, gl_WorkGroupSize.XYZ).
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
// avant : 1 3 9
// après : 3 9 27
// count : 1 3 9
layout(local_size_x = 64) in;
void main()
{
uint triangleCount = gl_NumWorkGroups.x;
uint currentPoint = gl_WorkGroupID.x;
uint currentPoint = gl_GlobalInvocationID.x;
if (currentPoint >= triangleCount)
return;
uint offset = (triangleCount - 1) / 2;
uint firstPointIndex = offset * 3 + 1;
o_Points[firstPointIndex + currentPoint * 3 ] = o_Points[offset + currentPoint] / 2 + vec2(0, 0.36);
o_Points[firstPointIndex + currentPoint * 3] = o_Points[offset + currentPoint] / 2 + vec2(0, 0.36);
o_Points[firstPointIndex + currentPoint * 3 + 1] = o_Points[offset + currentPoint] / 2 + vec2(-0.5, -0.5);
o_Points[firstPointIndex + currentPoint * 3 + 2] = o_Points[offset + currentPoint] / 2 + vec2(0.5, -0.5);
}

4
Shaders/Vertex.glsl
View File

@@ -1,14 +1,10 @@
#version 460 core
layout(location = 0) in vec2 a_Position;
layout(std430, binding = 3) buffer layoutName
{
vec2 data_SSBO[];
};
out vec2 v_TexCoord;
void main()
{
gl_Position = vec4(data_SSBO[gl_InstanceID], 0.0, 1.0);