render pass in OpenGL

This commit is contained in:
Gregory Wells
2025-08-18 21:22:22 -04:00
parent 916df68f06
commit 4477c41dc4
3 changed files with 38 additions and 2 deletions

View File

@@ -1,5 +1,6 @@
#include "opengl_loader.h"
#include "commands/buffers/opengl_command_buffer.h"
#include "commands/commands/opengl_commands.h"
gnCommandFunctions loadOpenGLCommandFunctions() {
return (gnCommandFunctions) {
@@ -10,8 +11,8 @@ gnCommandFunctions loadOpenGLCommandFunctions() {
._gnEndCommandBuffer = openglEndCommandBuffer,
._gnDestroyCommandBuffer = openglDestroyCommandBuffer,
._gnCommandBeginRenderPass = NULL,
._gnCommandEndRenderPass = NULL,
._gnCommandBeginRenderPass = openglBeginRenderPass,
._gnCommandEndRenderPass = openglEndRenderPass,
._gnCommandBindGraphicsPipeline = NULL,
._gnCommandSetViewport = NULL,

View File

@@ -0,0 +1,22 @@
#include "glad/glad.h"
#include "opengl_commands.h"
#include "framebuffer/opengl_framebuffer.h"
void openglBeginRenderPass(gnCommandBuffer buffer, gnRenderPassInfo passInfo) {
glBindFramebuffer(GL_FRAMEBUFFER, passInfo.framebuffer->framebuffer->framebuffers[0]);
glClearColor(passInfo.clearValues[0].r, passInfo.clearValues[0].g, passInfo.clearValues[0].b, passInfo.clearValues[0].a);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
glViewport(passInfo.offset.x, passInfo.offset.y, passInfo.size.x, passInfo.size.y);
}
void openglEndRenderPass(gnCommandBuffer buffer) {
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
void openglBindGraphicsPipeline(gnCommandBuffer buffer, gnGraphicsPipeline graphicsPipeline);
void openglSetViewport(gnCommandBuffer buffer, gnViewport viewport);
void openglSetScissor(gnCommandBuffer buffer, gnScissor scissor);
void openglBindBuffer(gnCommandBufferHandle buffer, gnBufferHandle bufferToBind, gnBufferType type);
void openglDraw(gnCommandBuffer buffer, int vertexCount, int firstVertex, int instanceCount, int firstInstance);
void openglDrawIndexed(gnCommandBufferHandle buffer, gnIndexType type, int indexCount, int firstIndex, int vertexOffset, int instanceCount, int firstInstance);
void openglBindUniform(gnCommandBufferHandle buffer, gnUniform uniform, uint32_t set, uint32_t dynamicOffsetCount, uint32_t* dynamicOffsets);
void openglBindVertexBytes(gnCommandBufferHandle buffer, gnPushConstantLayout layout, void* data);

View File

@@ -0,0 +1,13 @@
#pragma once
#include "core/src/command/commands/gryphn_command.h"
void openglBeginRenderPass(gnCommandBuffer buffer, gnRenderPassInfo passInfo);
void openglEndRenderPass(gnCommandBuffer buffer);
void openglBindGraphicsPipeline(gnCommandBuffer buffer, gnGraphicsPipeline graphicsPipeline);
void openglSetViewport(gnCommandBuffer buffer, gnViewport viewport);
void openglSetScissor(gnCommandBuffer buffer, gnScissor scissor);
void openglBindBuffer(gnCommandBufferHandle buffer, gnBufferHandle bufferToBind, gnBufferType type);
void openglDraw(gnCommandBuffer buffer, int vertexCount, int firstVertex, int instanceCount, int firstInstance);
void openglDrawIndexed(gnCommandBufferHandle buffer, gnIndexType type, int indexCount, int firstIndex, int vertexOffset, int instanceCount, int firstInstance);
void openglBindUniform(gnCommandBufferHandle buffer, gnUniform uniform, uint32_t set, uint32_t dynamicOffsetCount, uint32_t* dynamicOffsets);
void openglBindVertexBytes(gnCommandBufferHandle buffer, gnPushConstantLayout layout, void* data);