gryphn + vulkan stuff for depth textures

rendering_api/vulkan/src/renderpass/vulkan_render_pass_descriptor.c

@@ -23,11 +23,26 @@ VkImageLayout vkGryphnImageLayout(gnImageLayout 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;
+    case GN_LAYOUT_COLOR_ATTACHMENT: return VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+    case GN_LAYOUT_DEPTH_STENCIL: return VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
     }
 }
 
-gnReturnCode gnCreateRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* renderPass, struct gnOutputDevice_t* device, struct gnRenderPassDescriptorInfo_t info) {
+VkPipelineStageFlags vkGryphnRenderPassStage(gnRenderPassStage stage) {
+    VkPipelineStageFlags flags = 0;
+    if ((stage & GN_COLOR_ATTACHMENT_OUTPUT) == GN_COLOR_ATTACHMENT_OUTPUT) flags |= VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
+    if ((stage & GN_EARLY_FRAGMENT_TEST) == GN_EARLY_FRAGMENT_TEST) flags |= VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
+    return flags;
+}
+
+VkAccessFlags vkGryphnRenderPassAccess(gnRenderPassAccess access) {
+    VkAccessFlags flags = 0;
+    if ((flags & GN_COLOR_ATTACHMENT_WRITE) == GN_COLOR_ATTACHMENT_WRITE) flags |= VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
+    if ((flags & GN_DEPTH_STENCIL_WRITE) == GN_DEPTH_STENCIL_WRITE) flags |= VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
+    return flags;
+}
+
+gnReturnCode gnCreateRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* renderPass, struct gnOutputDevice_t* device, gnRenderPassDescriptorInfo info) {
     renderPass->renderPassDescriptor = malloc(sizeof(gnPlatformRenderPassDescriptor));
 
     renderPass->renderPassDescriptor->attachmentCount = info.attachmentCount;
@@ -50,11 +65,7 @@ gnReturnCode gnCreateRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* ren
     renderPass->renderPassDescriptor->subpassCount = info.subpassCount;
     renderPass->renderPassDescriptor->subpasses = malloc(sizeof(VkSubpassDescription) * info.subpassCount);
     renderPass->renderPassDescriptor->colorAttachments = malloc(sizeof(VkAttachmentReference*) * info.subpassCount);
-
+    renderPass->renderPassDescriptor->depthAttachments = malloc(sizeof(VkAttachmentReference) * info.subpassCount);
-    VkAttachmentReference ref = {
-        .attachment = 0,
-        .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
-    };
 
     for (int i = 0; i < info.subpassCount; i++) {
         renderPass->renderPassDescriptor->colorAttachments[i] = malloc(sizeof(VkAttachmentReference) * info.subpassInfos[i].colorAttachmentCount);
@@ -66,13 +77,20 @@ gnReturnCode gnCreateRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* ren
             };
         }
 
-
         renderPass->renderPassDescriptor->subpasses[i] = (VkSubpassDescription){
             .flags = 0,
             .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
             .colorAttachmentCount = info.subpassInfos[i].colorAttachmentCount,
             .pColorAttachments = renderPass->renderPassDescriptor->colorAttachments[i]
         };
+
+        if (info.subpassInfos[i].depthAttachment != NULL) {
+            renderPass->renderPassDescriptor->depthAttachments[i] = (VkAttachmentReference){
+                .attachment = info.subpassInfos[i].depthAttachment->index,
+                .layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL
+            };
+            renderPass->renderPassDescriptor->subpasses[i].pDepthStencilAttachment = &renderPass->renderPassDescriptor->depthAttachments[i];
+        }
     }
 
     renderPass->renderPassDescriptor->dependencies = malloc(sizeof(VkSubpassDependency) * info.dependencyCount);
@@ -80,10 +98,10 @@ gnReturnCode gnCreateRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* ren
         renderPass->renderPassDescriptor->dependencies[i] = (VkSubpassDependency) {
             .srcSubpass = (info.dependencies[i].source == GN_SUBPASS_EXTERNAL) ? VK_SUBPASS_EXTERNAL : info.dependencies[i].source,
             .dstSubpass = (info.dependencies[i].destination == GN_SUBPASS_EXTERNAL) ? VK_SUBPASS_EXTERNAL : info.dependencies[i].destination,
-            .srcStageMask = info.dependencies[i].soruceStageMask,
+            .srcStageMask = vkGryphnRenderPassStage(info.dependencies[i].soruceStageMask),
-            .srcAccessMask = info.dependencies[i].sourceAccessMask,
+            .srcAccessMask = vkGryphnRenderPassAccess(info.dependencies[i].sourceAccessMask),
-            .dstStageMask = info.dependencies[i].destinationStageMask,
+            .dstStageMask = vkGryphnRenderPassStage(info.dependencies[i].destinationStageMask),
-            .dstAccessMask = info.dependencies[i].destinationAccessMask
+            .dstAccessMask = vkGryphnRenderPassAccess(info.dependencies[i].destinationAccessMask)
         };
     }
 
@@ -113,4 +131,5 @@ void gnDestroyRenderPassDescriptorFn(gnRenderPassDescriptor renderPass) {
     free(renderPass->renderPassDescriptor->attachments);
     free(renderPass->renderPassDescriptor->subpasses);
     free(renderPass->renderPassDescriptor->dependencies);
+    free(renderPass->renderPassDescriptor->depthAttachments);
 }

rendering_api/vulkan/src/renderpass/vulkan_render_pass_descriptor.h

@@ -13,4 +13,7 @@ typedef struct gnPlatformRenderPassDescriptor_t {
     VkSubpassDependency* dependencies;
 
     VkAttachmentReference** colorAttachments;
+    VkAttachmentReference* depthAttachments;
 } gnPlatformRenderPassDescriptor;
+
+VkPipelineStageFlags vkGryphnRenderPassStage(gnRenderPassStage stage);

rendering_api/vulkan/src/submit/vulkan_submit.c

@@ -4,13 +4,8 @@
 #include "sync/fence/vulkan_fence.h"
 #include "commands/command_buffer/vulkan_command_buffer.h"
 #include "output_device/vulkan_output_devices.h"
-#include "core/renderpass/gryphn_render_pass_descriptor.h"
+#include "renderpass/vulkan_render_pass_descriptor.h"
 
-VkPipelineStageFlags vkGryphnWaitStage(enum gnRenderPassStage_e stage) {
-    switch(stage) {
-    case GN_COLOR_ATTACHMENT_OUTPUT: return VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
-    }
-}
 
 gnReturnCode gnSubmitFn(struct gnOutputDevice_t* device, struct gnSubmitInfo_t info) {
     VK_SUBPASS_EXTERNAL;
@@ -18,7 +13,7 @@ gnReturnCode gnSubmitFn(struct gnOutputDevice_t* device, struct gnSubmitInfo_t i
     VkSemaphore* waitSemaphores = malloc(sizeof(VkSemaphore) * info.waitCount);
     VkPipelineStageFlags* waitStages = malloc(sizeof(VkPipelineStageFlags) * info.waitCount);
     for (int i = 0; i < info.waitCount; i++) waitSemaphores[i] = info.waitSemaphores[i]->semaphore->semaphore;
-    for (int i = 0; i < info.waitCount; i++) waitStages[i] = vkGryphnWaitStage(info.waitStages[i]);
+    for (int i = 0; i < info.waitCount; i++) waitStages[i] = vkGryphnRenderPassStage(info.waitStages[i]);
 
     VkCommandBuffer* commandBuffers = malloc(sizeof(VkCommandBuffer) * info.commandBufferCount);
     for (int i = 0; i < info.commandBufferCount; i++) commandBuffers[i] = info.commandBuffers[i]->commandBuffer->buffer;

rendering_api/vulkan/src/textures/vulkan_texture.c

@@ -25,7 +25,18 @@ VkSamplerAddressMode vkGryphnTextureWrap(gnTextureWrap wrap) {
     }
 }
 
-void VkTransitionImageLayout(gnDevice device, VkImage image, VkFormat format, VkImageLayout oldLayout, VkImageLayout newLayout) {
+VkImageAspectFlags vkGryphnGetAspectFlags(gnImageFormat format) {
+    VkImageAspectFlags aspectMask = 0;
+
+    if (format == GN_FORMAT_D32S8_UINT || format == GN_FORMAT_D24S8_UINT) aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
+    else { aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; }
+
+    return aspectMask;
+}
+
+gnBool vkGryphnIsDepthStencil(gnImageFormat format) { return (format == GN_FORMAT_D32S8_UINT || format == GN_FORMAT_D24S8_UINT); }
+
+void VkTransitionImageLayout(gnDevice device, VkImage image, gnImageFormat format, VkImageLayout oldLayout, VkImageLayout newLayout) {
     VkCommandBuffer transferBuffer = gnBeginVulkanTransferOperation(device);
 
     VkPipelineStageFlags sourceStage, destinationStage;
@@ -43,7 +54,13 @@ void VkTransitionImageLayout(gnDevice device, VkImage image, VkFormat format, Vk
 
         destinationStage = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
         destinationAccessMask = VK_ACCESS_SHADER_READ_BIT;
-    }
+    } else if (oldLayout == VK_IMAGE_LAYOUT_UNDEFINED && newLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) {
+       sourceAccessMask = 0;
+       sourceStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
+
+       destinationAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
+       destinationStage = VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
+   }
 
     VkImageMemoryBarrier barrier = {
         .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
@@ -58,7 +75,7 @@ void VkTransitionImageLayout(gnDevice device, VkImage image, VkFormat format, Vk
         .newLayout = newLayout,
 
 
-        .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+        .subresourceRange.aspectMask = vkGryphnGetAspectFlags(format),
         .subresourceRange.baseMipLevel = 0,
         .subresourceRange.levelCount = 1,
         .subresourceRange.baseArrayLayer = 0,
@@ -109,6 +126,8 @@ void VkCopyBufferToImage(VkGryphnBuffer buffer, VkGryphnImage image, uint32_t wi
     gnEndVulkanTransferOperation(device, transferBuffer);
 }
 
+#include "stdio.h"
+
 gnReturnCode gnCreateTextureFn(gnTexture texture, gnDevice device, const gnTextureInfo info) {
     texture->texture = malloc(sizeof(struct gnPlatformTexture_t));
 
@@ -128,7 +147,6 @@ gnReturnCode gnCreateTextureFn(gnTexture texture, gnDevice device, const gnTextu
         .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
         .tiling = VK_IMAGE_TILING_OPTIMAL,
         .initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
-        .usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT,
         .samples = VK_SAMPLE_COUNT_1_BIT,
         .extent = {
             .width = info.width,
@@ -141,6 +159,11 @@ gnReturnCode gnCreateTextureFn(gnTexture texture, gnDevice device, const gnTextu
         .format = vkGryphnFormatToVulkanFormat(info.format)
     };
 
+    if (vkGryphnIsDepthStencil(info.format))
+        imageInfo.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
+    else
+        imageInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
+
     if (vkCreateImage(device->outputDevice->device, &imageInfo, NULL, &texture->texture->image.image) != VK_SUCCESS)
         return GN_FAILED_TO_CREATE_IMAGE;
 
@@ -171,7 +194,7 @@ gnReturnCode gnCreateTextureFn(gnTexture texture, gnDevice device, const gnTextu
         .viewType = vkGryphnTextureTypeView(info.type),
         .format = vkGryphnFormatToVulkanFormat(info.format),
 
-        .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+        .subresourceRange.aspectMask = vkGryphnGetAspectFlags(info.format),
         .subresourceRange.baseMipLevel = 0,
         .subresourceRange.levelCount = 1,
         .subresourceRange.baseArrayLayer = 0,
@@ -210,6 +233,9 @@ gnReturnCode gnCreateTextureFn(gnTexture texture, gnDevice device, const gnTextu
     if (vkCreateSampler(device->outputDevice->device, &samplerInfo, NULL, &texture->texture->sampler) != VK_SUCCESS)
         return GN_FAILED_TO_CREATE_SAMPLER;
 
+    if (vkGryphnIsDepthStencil(info.format))
+        VkTransitionImageLayout(texture->device, texture->texture->image.image, texture->info.format, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
+
     return GN_SUCCESS;
 }
 
@@ -226,9 +252,9 @@ void gnTextureDataFn(gnTextureHandle texture, void* pixelData) {
     }
 
     //gnDevice device, VkImage image, VkFormat format, VkImageLayout oldLayout, VkImageLayout newLayout
-    VkTransitionImageLayout(texture->device, texture->texture->image.image, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
+    VkTransitionImageLayout(texture->device, texture->texture->image.image, texture->info.format, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
     VkCopyBufferToImage(texture->texture->buffer, texture->texture->image, texture->texture->width, texture->texture->height, texture->device);
-    VkTransitionImageLayout(texture->device, texture->texture->image.image, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+    VkTransitionImageLayout(texture->device, texture->texture->image.image, texture->info.format, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
 
     texture->texture->beenWrittenToo = gnTrue;
 }

rendering_api/vulkan/src/vulkan_surface/vulkan_surface.c

@@ -110,9 +110,11 @@ gnSurfaceDetails gnGetSurfaceDetailsFn(
 
 VkFormat vkGryphnFormatToVulkanFormat(gnImageFormat format) {
     switch (format) {
+    case GN_FORMAT_NONE: return VK_FORMAT_UNDEFINED;
     case GN_FORMAT_BGRA8_SRGB: return VK_FORMAT_B8G8R8A8_SRGB;
     case GN_FORMAT_RGBA8_SRGB: return VK_FORMAT_R8G8B8A8_SRGB;
-    default: return VK_FORMAT_UNDEFINED;
+    case GN_FORMAT_D32S8_UINT: return VK_FORMAT_D32_SFLOAT_S8_UINT;
+    case GN_FORMAT_D24S8_UINT: return VK_FORMAT_D24_UNORM_S8_UINT;
     }
 }
 VkColorSpaceKHR vkGryphnColorSpaceToVulkanColorSpace(gnColorSpace colorSpace) {

src/core/renderpass/gryphn_render_pass_descriptor.c

@@ -1,7 +1,7 @@
 #include "gryphn_render_pass_descriptor.h"
 #include "core/gryphn_platform_functions.h"
 
-gnReturnCode gnCreateRenderPassDescriptor(gnRenderPassDescriptorHandle* renderPass, gnOutputDeviceHandle device, struct gnRenderPassDescriptorInfo_t info) {
+gnReturnCode gnCreateRenderPassDescriptor(gnRenderPassDescriptorHandle* renderPass, gnOutputDeviceHandle device, gnRenderPassDescriptorInfo info) {
     *renderPass = malloc(sizeof(struct gnRenderPassDescriptor_t));
     (*renderPass)->device = device;
     (*renderPass)->info = info;

src/core/renderpass/gryphn_render_pass_descriptor.h

@@ -4,12 +4,14 @@
 #include "utils/gryphn_error_code.h"
 #include "core/gryphn_handles.h"
 
-typedef enum gnRenderPassStage_e {
+typedef enum gnRenderPassStage {
-    GN_COLOR_ATTACHMENT_OUTPUT = 0x00000400
+    GN_COLOR_ATTACHMENT_OUTPUT = 1,
+    GN_EARLY_FRAGMENT_TEST = 2
 } gnRenderPassStage; // I stole these from vulkan to make that conversion easier
 
-typedef enum gnRenderPassAccess_e {
+typedef enum gnRenderPassAccess {
-    GN_COLOR_ATTACHMENT_WRITE = 0x00000100
+    GN_COLOR_ATTACHMENT_WRITE = 1,
+    GN_DEPTH_STENCIL_WRITE = 2
 } gnRenderPassAccess;
 
 typedef enum gnLoadOperation_e {
@@ -39,7 +41,8 @@ typedef struct gnSubpassAttachmentInfo_t {
 
 typedef struct gnSubpassInfo_t {
     uint32_t colorAttachmentCount;
-    struct gnSubpassAttachmentInfo_t* colorAttachments;
+    gnSubpassAttachmentInfo* colorAttachments;
+    gnSubpassAttachmentInfo* depthAttachment;
 } gnSubpassInfo;
 
 #define GN_SUBPASS_EXTERNAL -1
@@ -47,31 +50,31 @@ typedef struct gnSubpassInfo_t {
 typedef struct gnSubpassDependencyInfo_t {
     int source, destination;
 
-    enum gnRenderPassStage_e soruceStageMask;
+    gnRenderPassStage soruceStageMask;
-    enum gnRenderPassAccess_e sourceAccessMask;
+    gnRenderPassAccess sourceAccessMask;
 
-    enum gnRenderPassStage_e destinationStageMask;
+    gnRenderPassStage destinationStageMask;
-    enum gnRenderPassAccess_e destinationAccessMask;
+    gnRenderPassAccess destinationAccessMask;
 } gnSubpassDependencyInfo;
 
-typedef struct gnRenderPassDescriptorInfo_t {
+typedef struct gnRenderPassDescriptorInfo {
     uint32_t attachmentCount;
-    struct gnRenderPassAttachmentInfo_t* attachmentInfos;
+    gnRenderPassAttachmentInfo* attachmentInfos;
 
     uint32_t subpassCount;
-    struct gnSubpassInfo_t* subpassInfos;
+    gnSubpassInfo* subpassInfos;
 
     uint32_t dependencyCount;
-    struct gnSubpassDependencyInfo_t* dependencies;
+    gnSubpassDependencyInfo* dependencies;
 } gnRenderPassDescriptorInfo;
 
 #ifdef GN_REVEAL_IMPL
 struct gnRenderPassDescriptor_t {
     struct gnPlatformRenderPassDescriptor_t* renderPassDescriptor;
-    struct gnRenderPassDescriptorInfo_t info;
+    gnRenderPassDescriptorInfo info;
-    struct gnOutputDevice_t* device;
+    gnDeviceHandle device;
 };
 #endif
 
-gnReturnCode gnCreateRenderPassDescriptor(gnRenderPassDescriptorHandle* renderPass, gnOutputDeviceHandle device, struct gnRenderPassDescriptorInfo_t info);
+gnReturnCode gnCreateRenderPassDescriptor(gnRenderPassDescriptorHandle* renderPass, gnOutputDeviceHandle device, gnRenderPassDescriptorInfo info);
 void gnDestroyRenderPassDescriptor(gnRenderPassDescriptorHandle renderPass);

src/core/submit/gryphn_submit.h

@@ -1,17 +1,18 @@
 #pragma once
 #include "stdint.h"
-#include "core/sync/fence/gryphn_fence.h"
+#include "core/renderpass/gryphn_render_pass_descriptor.h"
+#include "core/gryphn_handles.h"
 
 typedef struct gnSubmitInfo_t {
     uint32_t waitCount;
-    enum gnRenderPassStage_e* waitStages;
+    gnRenderPassStage* waitStages;
     gnSemaphoreHandle* waitSemaphores;
     uint32_t signalCount;
     gnSemaphoreHandle* signalSemaphores;
     uint32_t commandBufferCount;
     gnCommandBufferHandle* commandBuffers;
     uint32_t queueIndex;
-    struct gnFence_t* fence;
+    gnFenceHandle fence;
 } gnSubmitInfo;
 
 gnReturnCode gnSubmit(gnOutputDevice device, gnSubmitInfo info);

src/core/textures/gryphn_texture.c

@@ -4,6 +4,7 @@
 gnReturnCode gnCreateTexture(gnTexture* texture, gnDevice device, const gnTextureInfo info) {
     *texture = malloc(sizeof(struct gnTexture_t));
     (*texture)->device = device;
+    (*texture)->info = info;
     return device->deviceFunctions->_gnCreateTexture(*texture, device, info);
 }
 

src/core/textures/gryphn_texture.h

@@ -29,6 +29,7 @@ typedef struct gnTextureInfo {
 struct gnTexture_t {
     struct gnPlatformTexture_t* texture;
     gnDeviceHandle device;
+    gnTextureInfo info;
 };
 #endif