54 lines
3.5 KiB
Objective-C
54 lines
3.5 KiB
Objective-C
#include "metal_framebuffer.h"
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#include "texture/metal_texture.h"
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#include "renderpass/gryphn_render_pass_descriptor.h"
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#include "instance/gryphn_instance.h"
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#include "output_device/gryphn_output_device.h"
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#include "utils/gryphn_image_format.h"
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gnReturnCode createMetalFramebuffer(gnFramebuffer framebuffer, gnOutputDevice device, gnFramebufferInfo info) {
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framebuffer->framebuffer = malloc(sizeof(struct gnPlatformFramebuffer_t));
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framebuffer->framebuffer->clearCopyCount = info.attachmentCount;
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framebuffer->framebuffer->clearCopies = malloc(sizeof(mtlClearCopy) * info.attachmentCount);
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for (int i = 0; i < info.attachmentCount; i++) {
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framebuffer->framebuffer->clearCopies[i].clear = gnFalse;
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}
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framebuffer->framebuffer->subpassCount = info.renderPassDescriptor->renderPassDescriptor->subpassCount;
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framebuffer->framebuffer->subpasses = malloc(sizeof(mtlSubpass) * framebuffer->framebuffer->subpassCount);
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framebuffer->framebuffer->depthAttachmentIndicies = malloc(sizeof(uint32_t) * framebuffer->framebuffer->subpassCount);
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for (int i = 0; i < framebuffer->framebuffer->subpassCount; i++) {
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framebuffer->framebuffer->subpasses[i] = [info.renderPassDescriptor->renderPassDescriptor->subpasses[i] copy];
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MTLRenderPassDescriptor* pass = framebuffer->framebuffer->subpasses[i];
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[pass setRenderTargetWidth:info.size.x];
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[pass setRenderTargetHeight:info.size.y];
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for (int c = 0; c < info.renderPassDescriptor->renderPassDescriptor->copyInfos[i].colorAttachmentCount; c++) {
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MTLRenderPassColorAttachmentDescriptor* colorPass = pass.colorAttachments[c];
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colorPass.texture = info.attachments[info.renderPassDescriptor->renderPassDescriptor->copyInfos[i].colorAttachments[c].attachmentIndex]->texture->texture;
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if (info.renderPassDescriptor->renderPassDescriptor->copyInfos[i].colorAttachments[c].resolveAttachmentIndex >= 0)
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colorPass.resolveTexture = info.attachments[info.renderPassDescriptor->renderPassDescriptor->copyInfos[i].colorAttachments[c].resolveAttachmentIndex]->texture->texture;
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framebuffer->framebuffer->clearCopies[info.renderPassDescriptor->renderPassDescriptor->copyInfos[i].colorAttachments[c].attachmentIndex].clear = gnTrue;
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framebuffer->framebuffer->clearCopies[info.renderPassDescriptor->renderPassDescriptor->copyInfos[i].colorAttachments[c].attachmentIndex].descriptor = colorPass;
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}
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if (info.renderPassDescriptor->renderPassDescriptor->copyInfos[i].depthAttachmentIndex >= 0) {
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MTLRenderPassDepthAttachmentDescriptor* depthAttachment = framebuffer->framebuffer->subpasses[i].depthAttachment;
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depthAttachment.texture = info.attachments[info.renderPassDescriptor->renderPassDescriptor->copyInfos[i].depthAttachmentIndex]->texture->texture;
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}
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// if (info.attachments[i]->info.format == GN_FORMAT_D24S8_UINT || info.attachments[i]->info.format == GN_FORMAT_D32S8_UINT) {
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// framebuffer->framebuffer->depthAttachmentIndicies[i] = i;
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// MTLRenderPassStencilAttachmentDescriptor* stencilAttachment = framebuffer->framebuffer->subpasses[i].stencilAttachment;
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// stencilAttachment.texture = info.attachments[i]->texture->texture;
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// }
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}
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return GN_SUCCESS;
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}
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void destroyMetalFramebuffer(gnFramebuffer framebuffer) {
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for (int i = 0; i < framebuffer->framebuffer->subpassCount; i++) [framebuffer->framebuffer->subpasses[i] release];
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free(framebuffer->framebuffer->subpasses);
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free(framebuffer->framebuffer);
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}
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