Files
Pulse/Sources/Backends/OpenGL/OpenGLComputePass.c
2025-11-15 16:33:36 +01:00

218 lines
9.0 KiB
C

// Copyright (C) 2025 kbz_8
// This file is part of "Pulse"
// For conditions of distribution and use, see copyright notice in LICENSE
#include <string.h>
#include <Pulse.h>
#include "../../PulseInternal.h"
#include "OpenGL.h"
#include "OpenGLDevice.h"
#include "OpenGLComputePass.h"
#include "OpenGLComputePipeline.h"
PulseComputePass OpenGLCreateComputePass(PulseDevice device, PulseCommandList cmd)
{
PULSE_UNUSED(device);
PulseComputePass pass = (PulseComputePass)calloc(1, sizeof(PulseComputePassHandler));
PULSE_CHECK_ALLOCATION_RETVAL(pass, PULSE_NULL_HANDLE);
OpenGLComputePass* opengl_pass = (OpenGLComputePass*)calloc(1, sizeof(OpenGLComputePass));
PULSE_CHECK_ALLOCATION_RETVAL(opengl_pass, PULSE_NULL_HANDLE);
pass->cmd = cmd;
pass->driver_data = opengl_pass;
return pass;
}
void OpenGLDestroyComputePass(PulseDevice device, PulseComputePass pass)
{
PULSE_UNUSED(device);
free(pass->driver_data);
free(pass);
}
PulseComputePass OpenGLBeginComputePass(PulseCommandList cmd)
{
return cmd->pass;
}
void OpenGLEndComputePass(PulseComputePass pass)
{
OpenGLComputePass* opengl_pass = OPENGL_RETRIEVE_DRIVER_DATA_AS(pass, OpenGLComputePass*);
OpenGLReturnBindsGroupToPool(opengl_pass->read_only_bind_group->pool, opengl_pass->read_only_bind_group);
OpenGLReturnBindsGroupToPool(opengl_pass->read_write_bind_group->pool, opengl_pass->read_write_bind_group);
OpenGLReturnBindsGroupToPool(opengl_pass->uniform_bind_group->pool, opengl_pass->uniform_bind_group);
opengl_pass->read_only_bind_group = PULSE_NULLPTR;
opengl_pass->read_write_bind_group = PULSE_NULLPTR;
opengl_pass->uniform_bind_group = PULSE_NULLPTR;
}
void OpenGLBindStorageBuffers(PulseComputePass pass, const PulseBuffer* buffers, uint32_t num_buffers)
{
PulseBufferUsageFlags usage = buffers[0]->usage;
bool is_readwrite = (usage & PULSE_BUFFER_USAGE_STORAGE_WRITE) != 0;
PulseBuffer* array = is_readwrite ? pass->readwrite_storage_buffers : pass->readonly_storage_buffers;
OpenGLComputePass* opengl_pass = OPENGL_RETRIEVE_DRIVER_DATA_AS(pass, OpenGLComputePass*);
for(uint32_t i = 0; i < num_buffers; i++)
{
if(is_readwrite && (buffers[i]->usage & PULSE_BUFFER_USAGE_STORAGE_WRITE) == 0)
{
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
PulseLogError(pass->cmd->device->backend, "cannot bind a read only buffer with read-write buffers");
PulseSetInternalError(PULSE_ERROR_INVALID_BUFFER_USAGE);
return;
}
else if(!is_readwrite && (buffers[i]->usage & PULSE_BUFFER_USAGE_STORAGE_WRITE) != 0)
{
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
PulseLogError(pass->cmd->device->backend, "cannot bind a read-write buffer with read only buffers");
PulseSetInternalError(PULSE_ERROR_INVALID_BUFFER_USAGE);
return;
}
if(array[i] == buffers[i])
continue;
array[i] = buffers[i];
if(is_readwrite)
opengl_pass->should_recreate_write_bind_group = true;
else
opengl_pass->should_recreate_read_only_bind_group = true;
}
}
void OpenGLBindUniformData(PulseComputePass pass, uint32_t slot, const void* data, uint32_t data_size)
{
}
void OpenGLBindStorageImages(PulseComputePass pass, const PulseImage* images, uint32_t num_images)
{
PulseImageUsageFlags usage = images[0]->usage;
bool is_readwrite = (usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) != 0;
PulseImage* array = is_readwrite ? pass->readwrite_images : pass->readonly_images;
OpenGLComputePass* opengl_pass = OPENGL_RETRIEVE_DRIVER_DATA_AS(pass, OpenGLComputePass*);
for(uint32_t i = 0; i < num_images; i++)
{
if(is_readwrite && (images[i]->usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) == 0)
{
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
PulseLogError(pass->cmd->device->backend, "cannot bind a read only image with read-write images");
PulseSetInternalError(PULSE_ERROR_INVALID_IMAGE_USAGE);
return;
}
else if(!is_readwrite && (images[i]->usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) != 0)
{
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
PulseLogError(pass->cmd->device->backend, "cannot bind a read-write image with read only images");
PulseSetInternalError(PULSE_ERROR_INVALID_IMAGE_USAGE);
return;
}
if(array[i] == images[i])
continue;
array[i] = images[i];
if(is_readwrite)
opengl_pass->should_recreate_write_bind_group = true;
else
opengl_pass->should_recreate_read_only_bind_group = true;
}
}
static void OpenGLBindBindsGroup(PulseComputePass pass)
{
OpenGLComputePass* opengl_pass = OPENGL_RETRIEVE_DRIVER_DATA_AS(pass, OpenGLComputePass*);
OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(pass->cmd->device, OpenGLDevice*);
OpenGLComputePipeline* opengl_pipeline = OPENGL_RETRIEVE_DRIVER_DATA_AS(pass->current_pipeline, OpenGLComputePipeline*);
if(!opengl_pass->should_recreate_read_only_bind_group && !opengl_pass->should_recreate_write_bind_group && !opengl_pass->should_recreate_uniform_bind_group)
return;
if(opengl_pass->should_recreate_read_only_bind_group && opengl_pipeline->readonly_group_layout != PULSE_NULLPTR)
{
if(opengl_pass->read_only_bind_group != PULSE_NULLPTR)
OpenGLReturnBindsGroupToPool(opengl_pass->read_only_bind_group->pool, opengl_pass->read_only_bind_group);
opengl_pass->read_only_bind_group = OpenGLRequestBindsGroupFromPool(OpenGLGetAvailableBindsGroupPool(&opengl_device->binds_group_pool_manager), opengl_pipeline->readonly_group_layout);
for(uint32_t i = 0; i < pass->current_pipeline->num_readonly_storage_images; i++)
{
}
for(uint32_t i = 0; i < pass->current_pipeline->num_readonly_storage_buffers; i++)
opengl_pass->read_only_bind_group->ReadOnly.storage_buffers[i] = pass->readonly_storage_buffers[i];
opengl_pass->should_recreate_read_only_bind_group = false;
}
if(opengl_pass->should_recreate_write_bind_group && opengl_pipeline->readwrite_group_layout != PULSE_NULLPTR)
{
if(opengl_pass->read_write_bind_group != PULSE_NULLPTR)
OpenGLReturnBindsGroupToPool(opengl_pass->read_write_bind_group->pool, opengl_pass->read_write_bind_group);
opengl_pass->read_write_bind_group = OpenGLRequestBindsGroupFromPool(OpenGLGetAvailableBindsGroupPool(&opengl_device->binds_group_pool_manager), opengl_pipeline->readwrite_group_layout);
for(uint32_t i = 0; i < pass->current_pipeline->num_readwrite_storage_images; i++)
{
}
for(uint32_t i = 0; i < pass->current_pipeline->num_readwrite_storage_buffers; i++)
opengl_pass->read_write_bind_group->ReadWrite.storage_buffers[i] = pass->readwrite_storage_buffers[i];
opengl_pass->should_recreate_write_bind_group = false;
}
if(opengl_pass->should_recreate_uniform_bind_group && opengl_pipeline->uniform_group_layout != PULSE_NULLPTR)
{
if(opengl_pass->uniform_bind_group != PULSE_NULLPTR)
OpenGLReturnBindsGroupToPool(opengl_pass->uniform_bind_group->pool, opengl_pass->uniform_bind_group);
opengl_pass->uniform_bind_group = OpenGLRequestBindsGroupFromPool(OpenGLGetAvailableBindsGroupPool(&opengl_device->binds_group_pool_manager), opengl_pipeline->uniform_group_layout);
for(uint32_t i = 0; i < pass->current_pipeline->num_uniform_buffers; i++)
opengl_pass->uniform_bind_group->Uniform.buffers[i] = pass->uniform_buffers[i];
opengl_pass->should_recreate_uniform_bind_group = false;
}
}
void OpenGLBindComputePipeline(PulseComputePass pass, PulseComputePipeline pipeline)
{
PULSE_UNUSED(pipeline);
OpenGLComputePass* opengl_pass = OPENGL_RETRIEVE_DRIVER_DATA_AS(pass, OpenGLComputePass*);
opengl_pass->should_recreate_read_only_bind_group = true;
opengl_pass->should_recreate_write_bind_group = true;
opengl_pass->should_recreate_uniform_bind_group = true;
}
void OpenGLDispatchComputations(PulseComputePass pass, uint32_t groupcount_x, uint32_t groupcount_y, uint32_t groupcount_z)
{
OpenGLComputePass* opengl_pass = OPENGL_RETRIEVE_DRIVER_DATA_AS(pass, OpenGLComputePass*);
OpenGLBindBindsGroup(pass);
OpenGLCommand command = { 0 };
command.type = OPENGL_COMMAND_DISPATCH;
command.Dispatch.groupcount_x = groupcount_x;
command.Dispatch.groupcount_y = groupcount_y;
command.Dispatch.groupcount_z = groupcount_z;
command.Dispatch.pipeline = pass->current_pipeline;
if(opengl_pass->read_only_bind_group != PULSE_NULLPTR)
{
command.Dispatch.read_only_group = (OpenGLBindsGroup*)malloc(sizeof(OpenGLBindsGroup));
PULSE_CHECK_ALLOCATION(command.Dispatch.read_only_group);
memcpy(command.Dispatch.read_only_group, opengl_pass->read_only_bind_group, sizeof(OpenGLBindsGroup));
}
if(opengl_pass->read_write_bind_group != PULSE_NULLPTR)
{
command.Dispatch.read_write_group = (OpenGLBindsGroup*)malloc(sizeof(OpenGLBindsGroup));
PULSE_CHECK_ALLOCATION(command.Dispatch.read_write_group);
memcpy(command.Dispatch.read_write_group, opengl_pass->read_write_bind_group, sizeof(OpenGLBindsGroup));
}
if(opengl_pass->uniform_bind_group != PULSE_NULLPTR)
{
command.Dispatch.uniform_group = (OpenGLBindsGroup*)malloc(sizeof(OpenGLBindsGroup));
PULSE_CHECK_ALLOCATION(command.Dispatch.uniform_group);
memcpy(command.Dispatch.uniform_group, opengl_pass->uniform_bind_group, sizeof(OpenGLBindsGroup));
}
OpenGLQueueCommand(pass->cmd, command);
}