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copy needed data into renderpass

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This commit is contained in:
Gregory Wells
2025-08-18 00:08:18 -04:00
parent 97a70e911d
commit cb55a7716f
3 changed files with 74 additions and 4 deletions
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2
projects/apis/metal/src/renderpass/metal_render_pass.h
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@@ -22,8 +22,6 @@ typedef struct gnPlatformRenderPassDescriptor_t {
uint32_t subpassCount;
mtlSubpass* subpasses;
mtlSubpassCopyInfo* copyInfos;
} gnPlatformRenderPassDescriptor;
gnReturnCode createMetalRenderPass(gnRenderPassDescriptor renderPass, gnDevice device, gnRenderPassDescriptorInfo info);

46
projects/apis/opengl/src/renderpass/opengl_render_pass_descriptor.c
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@@ -1,6 +1,50 @@
#include "opengl_render_pass_descriptor.h"
#include "surface/opengl_surface.h"
#include "stdlib.h"
gnReturnCode openglCreateRenderPass(gnRenderPassDescriptor renderPass, gnDevice device, gnRenderPassDescriptorInfo info) {
if (device == GN_NULL_HANDLE) return GN_INVALID_HANDLE;
renderPass->renderPassDescriptor = malloc(sizeof(gnPlatformRenderPassDescriptor));
renderPass->renderPassDescriptor->subpassCount = info.subpassCount;
renderPass->renderPassDescriptor->subpasses = malloc(sizeof(glSubpass) * info.subpassCount);
for (uint32_t i = 0; i < info.subpassCount; i++) {
renderPass->renderPassDescriptor->subpasses[i] = (glSubpass){
.colorAttachmentCount = info.subpassInfos[i].colorAttachmentCount,
.colorAttachments = malloc(sizeof(glColorAttachment) * info.subpassInfos[i].colorAttachmentCount),
.depthAttachment.index = -1
};
gnBool resolve = !(info.subpassInfos[i].resolveAttachments == NULL);
for (uint32_t c = 0; c < info.subpassInfos[i].colorAttachmentCount; c++) {
uint32_t attachmentIndex = info.subpassInfos[i].colorAttachments[c].index;
int resolveAttachmentIndex = -1;
if (resolve)
resolveAttachmentIndex = info.subpassInfos[i].resolveAttachments[c].index;
renderPass->renderPassDescriptor->subpasses[i].colorAttachments[c] = (glColorAttachment){
.loadOperation = info.attachmentInfos[attachmentIndex].loadOperation,
.storeOperation = info.attachmentInfos[attachmentIndex].storeOperation,
.attachmentIndex = attachmentIndex,
.resolveAttachmentIndex = resolveAttachmentIndex,
.format = glGryphnFormatToOpenGLFormat(info.attachmentInfos[attachmentIndex].format)
};
}
if (info.subpassInfos[i].depthAttachment != NULL) {
uint32_t depthAttachmentIndex = info.subpassInfos[i].depthAttachment->index;
renderPass->renderPassDescriptor->subpasses[i].depthAttachment = (gnDepthAttachment){
.index = depthAttachmentIndex,
.format = glGryphnFormatToOpenGLFormat(info.attachmentInfos[depthAttachmentIndex].format),
.loadOperation = info.attachmentInfos[depthAttachmentIndex].loadOperation,
.storeOperation = info.attachmentInfos[depthAttachmentIndex].storeOperation,
};
}
}
return GN_SUCCESS;
}
void openglDestroyRenderPass(gnRenderPassDescriptor renderPass) {}
void openglDestroyRenderPass(gnRenderPassDescriptor renderPass) {
for (int i = 0; i < renderPass->renderPassDescriptor->subpassCount; i++)
free(renderPass->renderPassDescriptor->subpasses[i].colorAttachments);
free(renderPass->renderPassDescriptor->subpasses);
free(renderPass->renderPassDescriptor);
}

30
projects/apis/opengl/src/renderpass/opengl_render_pass_descriptor.h
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@@ -1,6 +1,34 @@
#pragma once
#include "glad/glad.h"
#include "core/src/renderpass/gryphn_render_pass_descriptor.h"
#include "utils/gryphn_color.h"
typedef struct gnPlatformRenderPassDescriptor_t gnPlatformRenderPassDescriptor;
typedef struct glColorAttachment {
gnColor clearColor;
gnLoadOperation loadOperation;
gnStoreOperation storeOperation;
GLint format;
uint32_t attachmentIndex;
int resolveAttachmentIndex; // -1 = no attachment
} glColorAttachment;
typedef struct gnDepthAttachment {
int index;
gnLoadOperation loadOperation;
gnStoreOperation storeOperation;
GLint format;
} gnDepthAttachment;
typedef struct glSubpass {
uint32_t colorAttachmentCount;
glColorAttachment* colorAttachments;
gnDepthAttachment depthAttachment;
} glSubpass;
typedef struct gnPlatformRenderPassDescriptor_t {
uint32_t subpassCount;
glSubpass* subpasses;
} gnPlatformRenderPassDescriptor;
gnReturnCode openglCreateRenderPass(gnRenderPassDescriptor renderPass, gnDevice device, gnRenderPassDescriptorInfo info);
void openglDestroyRenderPass(gnRenderPassDescriptor renderPass);