mirror of
https://github.com/Kbz-8/Pulse.git
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90 lines
3.7 KiB
C
90 lines
3.7 KiB
C
// Copyright (C) 2025 kbz_8
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// This file is part of "Pulse"
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// For conditions of distribution and use, see copyright notice in LICENSE
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#include <string.h>
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#include <Pulse.h>
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#include "../../PulseInternal.h"
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#include "OpenGLBuffer.h"
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#include "OpenGLDevice.h"
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#include "OpenGLCommandList.h"
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PulseBuffer OpenGLCreateBuffer(PulseDevice device, const PulseBufferCreateInfo* create_infos)
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{
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OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
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PulseBufferHandler* buffer = (PulseBufferHandler*)calloc(1, sizeof(PulseBufferHandler));
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PULSE_CHECK_ALLOCATION_RETVAL(buffer, PULSE_NULL_HANDLE);
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OpenGLBuffer* opengl_buffer = (OpenGLBuffer*)calloc(1, sizeof(OpenGLBuffer));
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PULSE_CHECK_ALLOCATION_RETVAL(opengl_buffer, PULSE_NULL_HANDLE);
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buffer->device = device;
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buffer->driver_data = opengl_buffer;
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buffer->size = create_infos->size;
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buffer->usage = create_infos->usage;
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void* data = calloc(1, create_infos->size);
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PULSE_CHECK_ALLOCATION_RETVAL(data, PULSE_NULL_HANDLE);
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opengl_device->glGenBuffers(device, 1, &opengl_buffer->buffer);
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opengl_device->glBindBuffer(device, GL_SHADER_STORAGE_BUFFER, opengl_buffer->buffer);
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opengl_device->glBufferData(device, GL_SHADER_STORAGE_BUFFER, create_infos->size, data, GL_DYNAMIC_COPY);
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free(data);
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return buffer;
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}
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bool OpenGLMapBuffer(PulseBuffer buffer, PulseMapMode mode, void** data)
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{
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OpenGLBuffer* opengl_buffer = OPENGL_RETRIEVE_DRIVER_DATA_AS(buffer, OpenGLBuffer*);
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OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(buffer->device, OpenGLDevice*);
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opengl_device->glBindBuffer(buffer->device, GL_SHADER_STORAGE_BUFFER, opengl_buffer->buffer);
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*data = opengl_device->glMapBufferRange(buffer->device, GL_SHADER_STORAGE_BUFFER, 0, buffer->size, mode == PULSE_MAP_READ ? GL_MAP_READ_BIT : GL_MAP_WRITE_BIT);
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return *data != PULSE_NULLPTR;
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}
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void OpenGLUnmapBuffer(PulseBuffer buffer)
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{
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OpenGLBuffer* opengl_buffer = OPENGL_RETRIEVE_DRIVER_DATA_AS(buffer, OpenGLBuffer*);
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OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(buffer->device, OpenGLDevice*);
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opengl_device->glBindBuffer(buffer->device, GL_SHADER_STORAGE_BUFFER, opengl_buffer->buffer);
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opengl_device->glUnmapBuffer(buffer->device, GL_SHADER_STORAGE_BUFFER);
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}
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bool OpenGLCopyBufferToBuffer(PulseCommandList cmd, const PulseBufferRegion* src, const PulseBufferRegion* dst)
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{
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OpenGLCommand command = { 0 };
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command.type = OPENGL_COMMAND_COPY_BUFFER_TO_BUFFER;
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command.CopyBufferToBuffer.src = (PulseBufferRegion*)malloc(sizeof(PulseBufferRegion));
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command.CopyBufferToBuffer.dst = (PulseBufferRegion*)malloc(sizeof(PulseBufferRegion));
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memcpy((void*)command.CopyBufferToBuffer.src, src, sizeof(PulseBufferRegion));
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memcpy((void*)command.CopyBufferToBuffer.dst, dst, sizeof(PulseBufferRegion));
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OpenGLQueueCommand(cmd, command);
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return true;
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}
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bool OpenGLCopyBufferToImage(PulseCommandList cmd, const PulseBufferRegion* src, const PulseImageRegion* dst)
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{
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OpenGLCommand command = { 0 };
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command.type = OPENGL_COMMAND_COPY_BUFFER_TO_IMAGE;
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command.CopyBufferToImage.src = (PulseBufferRegion*)malloc(sizeof(PulseBufferRegion));
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command.CopyBufferToImage.dst = (PulseImageRegion*)malloc(sizeof(PulseImageRegion));
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memcpy((void*)command.CopyBufferToImage.src, src, sizeof(PulseBufferRegion));
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memcpy((void*)command.CopyBufferToImage.dst, dst, sizeof(PulseImageRegion));
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OpenGLQueueCommand(cmd, command);
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return true;
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}
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void OpenGLDestroyBuffer(PulseDevice device, PulseBuffer buffer)
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{
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OpenGLBuffer* opengl_buffer = OPENGL_RETRIEVE_DRIVER_DATA_AS(buffer, OpenGLBuffer*);
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OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
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opengl_device->glDeleteBuffers(device, 1, &opengl_buffer->buffer);
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free(opengl_buffer);
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free(buffer);
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}
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