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kbz_8
2025-03-24 17:41:51 +01:00
parent d7679857aa
commit bd0c564566
18 changed files with 310 additions and 33 deletions
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74
Examples/OpenGL/main.c
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@@ -4,7 +4,7 @@
#include <stdlib.h>
#include <string.h>
#define GLSL_SOURCE(...) #__VA_ARGS__
#define GLSL_SOURCE(version, ...) "#version " version "\n" #__VA_ARGS__
#define BUFFER_SIZE (256 * sizeof(uint32_t))
@@ -21,6 +21,13 @@ void DebugCallBack(PulseDebugMessageSeverity severity, const char* message)
printf("Pulse: %s\n", message);
}
const char* glsl_source = GLSL_SOURCE("430 core",
layout(local_size_x = 16, local_size_y = 16, local_size_z = 1) in;
void main()
{
}
);
int main(int ac, char** av)
{
PulseBackendFlags backend_type = PULSE_BACKEND_OPENGL;
@@ -35,6 +42,71 @@ int main(int ac, char** av)
buffer_create_info.usage = PULSE_BUFFER_USAGE_STORAGE_READ | PULSE_BUFFER_USAGE_STORAGE_WRITE | PULSE_BUFFER_USAGE_TRANSFER_DOWNLOAD;
PulseBuffer buffer = PulseCreateBuffer(device, &buffer_create_info);
/*
// GPU computations
{
PulseComputePipelineCreateInfo info = { 0 };
info.code_size = strlen(glsl_source);
info.code = (const uint8_t*)glsl_source;
info.entrypoint = "main";
info.format = PULSE_SHADER_FORMAT_GLSL_BIT;
info.num_readwrite_storage_buffers = 1;
PulseComputePipeline pipeline = PulseCreateComputePipeline(device, &info);
PulseFence fence = PulseCreateFence(device);
PulseCommandList cmd = PulseRequestCommandList(device, PULSE_COMMAND_LIST_GENERAL);
PulseComputePass pass = PulseBeginComputePass(cmd);
//PulseBindStorageBuffers(pass, &buffer, 1);
PulseBindComputePipeline(pass, pipeline);
PulseDispatchComputations(pass, 16, 1, 1);
PulseEndComputePass(pass);
PulseSubmitCommandList(device, cmd, fence);
PulseWaitForFences(device, &fence, 1, true);
PulseReleaseCommandList(device, cmd);
PulseDestroyFence(device, fence);
PulseDestroyComputePipeline(device, pipeline);
}
*/
// Get result and read it on CPU
{
PulseBufferCreateInfo staging_buffer_create_info = { 0 };
staging_buffer_create_info.size = BUFFER_SIZE;
staging_buffer_create_info.usage = PULSE_BUFFER_USAGE_TRANSFER_UPLOAD | PULSE_BUFFER_USAGE_TRANSFER_DOWNLOAD;
PulseBuffer staging_buffer = PulseCreateBuffer(device, &staging_buffer_create_info);
PulseFence fence = PulseCreateFence(device);
PulseCommandList cmd = PulseRequestCommandList(device, PULSE_COMMAND_LIST_TRANSFER_ONLY);
PulseBufferRegion src_region = { 0 };
src_region.buffer = buffer;
src_region.size = BUFFER_SIZE;
PulseBufferRegion dst_region = { 0 };
dst_region.buffer = staging_buffer;
dst_region.size = BUFFER_SIZE;
PulseCopyBufferToBuffer(cmd, &src_region, &dst_region);
PulseSubmitCommandList(device, cmd, fence);
PulseWaitForFences(device, &fence, 1, true);
void* ptr;
PulseMapBuffer(staging_buffer, PULSE_MAP_READ, &ptr);
for(uint32_t i = 0; i < BUFFER_SIZE / sizeof(uint32_t); i++)
printf("%d, ", ((int32_t*)ptr)[i]);
puts("");
PulseUnmapBuffer(staging_buffer);
PulseDestroyBuffer(device, staging_buffer);
PulseReleaseCommandList(device, cmd);
PulseDestroyFence(device, fence);
}
PulseDestroyBuffer(device, buffer);
PulseDestroyDevice(device);