46 lines
794 B
Plaintext
46 lines
794 B
Plaintext
#version 450
|
|
|
|
struct Vertex
|
|
{
|
|
vec3 position;
|
|
vec2 texcoord;
|
|
vec4 color;
|
|
};
|
|
|
|
// Binding 0: vertices
|
|
layout(set = 0, binding = 0) buffer Vertices
|
|
{
|
|
Vertex vertices[ ];
|
|
};
|
|
|
|
// Binding 1: transform matrices
|
|
layout(set = 0, binding = 1) buffer Transforms
|
|
{
|
|
mat4 transforms[ ];
|
|
};
|
|
|
|
layout(set = 2, binding = 0) uniform UBO
|
|
{
|
|
uint vertexCount;
|
|
} ubo;
|
|
|
|
layout (local_size_x = 256) in;
|
|
|
|
void main()
|
|
{
|
|
// Current buffer index
|
|
uint index = gl_GlobalInvocationID.x;
|
|
|
|
// Don't write past particle count
|
|
if (index >= ubo.vertexCount)
|
|
{
|
|
return;
|
|
}
|
|
|
|
uint transformIndex = index / 4;
|
|
mat4 transform = transforms[transformIndex];
|
|
vec4 position = vec4(vertices[index].position, 1.0);
|
|
|
|
vertices[index].position = vec3(transform * position);
|
|
}
|