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vulkan: add vulkan compute source

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Add a source that runs a compute shader and exports the GPU buffer
as a DmaBuf to the clients.
This commit is contained in:
Wim Taymans 2019-08-19 16:32:22 +02:00
parent edbd9eb077
commit 9799b0e679
12 changed files with 1759 additions and 0 deletions
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57
spa/plugins/vulkan/shaders/main.comp Normal file
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#version 450
#extension GL_ARB_separate_shader_objects : enable
#define WORKGROUP_SIZE 32
layout (local_size_x = WORKGROUP_SIZE, local_size_y = WORKGROUP_SIZE, local_size_z = 1 ) in;
struct Pixel{
vec4 value;
};
layout(std140, binding = 0) buffer buf
{
Pixel imageData[];
};
layout( push_constant ) uniform Constants {
float time;
int frame;
int width;
int height;
} PushConstant;
float iTime;
int iFrame;
vec3 iResolution;
vec4 iMouse;
void mainImage( out vec4 fragColor, in vec2 fragCoord );
void main()
{
iTime = PushConstant.time;
iFrame = PushConstant.frame;
iResolution = vec3(float(PushConstant.width), float(PushConstant.height), 0.0);
iMouse = vec4(0.0, 0.0, 0.0, 0.0);
vec2 coord = vec2(float(gl_GlobalInvocationID.x),
iResolution.y - float(gl_GlobalInvocationID.y));
vec4 outColor;
if(coord.x >= iResolution.x || coord.y >= iResolution.y)
return;
mainImage(outColor, coord);
imageData[PushConstant.width * gl_GlobalInvocationID.y +
gl_GlobalInvocationID.x].value = outColor;
}
//#include "plasma-globe.comp"
#include "mandelbrot-distance.comp"
//#include "ring-twister.comp"
//#include "gears.comp"
//#include "protean-clouds.comp"
//#include "flame.comp"
//#include "shader.comp"
//#include "raymarching-primitives.comp"
//#include "3d-primitives.comp"