gryphn+vulkan render pass descriptors

rendering_api/vulkan/src/renderpass/vulkan_render_pass_descriptor.c

@@ -0,0 +1,81 @@
+#include "vulkan_render_pass_descriptor.h"
+#include "vulkan_surface/vulkan_surface.h"
+#include "output_device/vulkan_output_devices.h"
+
+VkAttachmentLoadOp vkGryphnLoadOperation(enum gnLoadOperation_e loadOperation) {
+    switch(loadOperation) {
+    case GN_LOAD_OPERATION_LOAD: return VK_ATTACHMENT_LOAD_OP_LOAD;
+    case GN_LOAD_OPERATION_CLEAR: return VK_ATTACHMENT_LOAD_OP_CLEAR;
+    case GN_LOAD_OPERATION_DONT_CARE: return VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+    }
+}
+
+VkAttachmentStoreOp vkGryphnStoreOperation(enum gnStoreOperation_e storeOperation) {
+    switch (storeOperation) {
+    case GN_STORE_OPERATION_STORE: return VK_ATTACHMENT_STORE_OP_STORE;
+    case GN_STORE_OPERATION_DONT_CARE: return VK_ATTACHMENT_STORE_OP_DONT_CARE;
+    }
+}
+
+VkImageLayout vkGryphnImageLayout(enum gnImageLayout_e layout) {
+    switch(layout) {
+    case GN_LAYOUT_UNDEFINED: return VK_IMAGE_LAYOUT_UNDEFINED;
+    case GN_LAYOUT_PRESENTATION_QUEUE_IMAGE: return VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
+    case GN_LAYOUT_TRANSFER_DESTINATION: return VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
+    case GN_COLOR_ATTACHMENT: return VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+    }
+}
+
+gnReturnCode gnCreateRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* renderPass, struct gnOutputDevice_t* device, struct gnRenderPassDescriptorInfo_t info) {
+    renderPass->renderPassDescriptor = malloc(sizeof(gnPlatformRenderPassDescriptor));
+
+    VkAttachmentDescription* attachments = malloc(sizeof(VkAttachmentDescription) * info.attachmentCount);
+    for (int i = 0; i < info.attachmentCount; i++) {
+        attachments[i].format = vkGryphnFormatToVulkanFormat(info.attachmentInfos[i].format);
+        attachments[i].samples = VK_SAMPLE_COUNT_1_BIT;
+
+        attachments[i].loadOp = vkGryphnLoadOperation(info.attachmentInfos[i].loadOperation);
+        attachments[i].storeOp = vkGryphnStoreOperation(info.attachmentInfos[i].storeOperation);
+
+        attachments[i].stencilLoadOp = vkGryphnLoadOperation(info.attachmentInfos[i].stencilLoadOperation);
+        attachments[i].stencilStoreOp = vkGryphnStoreOperation(info.attachmentInfos[i].stencilStoreOperation);
+
+        attachments[i].initialLayout = vkGryphnImageLayout(info.attachmentInfos[i].initialLayout);
+        attachments[i].finalLayout = vkGryphnImageLayout(info.attachmentInfos[i].finalLayout);
+    }
+
+    VkSubpassDescription* subpasses = malloc(sizeof(VkSubpassDescription) * info.subpassCount);
+
+    for (int i = 0; i < info.subpassCount; i++) {
+        subpasses[i].pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
+        subpasses[i].colorAttachmentCount = info.subpassInfos[i].colorAttachmentCount;
+        VkAttachmentReference* colorAttachments = malloc(sizeof(VkAttachmentReference) * info.subpassInfos[i].colorAttachmentCount);
+        for (int c = 0; c < info.subpassInfos[i].colorAttachmentCount; c++) {
+            colorAttachments[c].attachment = info.subpassInfos[i].colorAttachments[c].index;
+            colorAttachments[c].layout = vkGryphnImageLayout(info.subpassInfos[i].colorAttachments[c].imageLayout);
+        }
+        subpasses[i].pColorAttachments = colorAttachments;
+    }
+
+    VkRenderPassCreateInfo renderPassInfo = (VkRenderPassCreateInfo){
+        .sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
+        .attachmentCount = info.attachmentCount,
+        .pAttachments = attachments,
+        .subpassCount = info.subpassCount,
+        .pSubpasses = subpasses
+    };
+
+    if (vkCreateRenderPass(device->outputDevice->device, &renderPassInfo, NULL, &renderPass->renderPassDescriptor->renderPass) != VK_SUCCESS) {
+        return GN_FAILED_TO_CREATE_RENDER_PASS;
+    }
+
+    free(attachments);
+    free(subpasses);
+
+    return GN_SUCCESS;
+}
+
+
+void gnDestroyRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* renderPass) {
+    vkDestroyRenderPass(renderPass->device->outputDevice->device, renderPass->renderPassDescriptor->renderPass, NULL);
+}

rendering_api/vulkan/src/renderpass/vulkan_render_pass_descriptor.h

@@ -0,0 +1,7 @@
+#pragma once
+#include "core/renderpass/gryphn_render_pass_descriptor.h"
+#include <vulkan/vulkan.h>
+
+typedef struct gnPlatformRenderPassDescriptor_t {
+    VkRenderPass renderPass;
+} gnPlatformRenderPassDescriptor;