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[Vulkan] Fix handling of render target depth
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@luboslenco
luboslenco committed Oct 24, 2023
1 parent 08454c7 commit 2a3ee36
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Showing 5 changed files with 51 additions and 104 deletions.
42 changes: 23 additions & 19 deletions Backends/Graphics5/Vulkan/Sources/kinc/backend/graphics5/Vulkan.c.h
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Original file line number Diff line number Diff line change
Expand Up @@ -525,27 +525,10 @@ void create_render_target_render_pass(struct vk_window *window) {
attachments[0].finalLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
attachments[0].flags = 0;

// TODO
/*if (depthBufferBits > 0) {
attachments[1].format = VK_FORMAT_D16_UNORM;
attachments[1].samples = VK_SAMPLE_COUNT_1_BIT;
attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[1].initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
attachments[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
attachments[1].flags = 0;
}*/

VkAttachmentReference color_reference = {0};
color_reference.attachment = 0;
color_reference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;

VkAttachmentReference depth_reference = {0};
depth_reference.attachment = 1;
depth_reference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;

VkSubpassDescription subpass = {0};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.flags = 0;
Expand All @@ -554,7 +537,7 @@ void create_render_target_render_pass(struct vk_window *window) {
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &color_reference;
subpass.pResolveAttachments = NULL;
subpass.pDepthStencilAttachment = /*depthBufferBits > 0 ? &depth_reference :*/ NULL; // TODO
subpass.pDepthStencilAttachment = NULL;
subpass.preserveAttachmentCount = 0;
subpass.pPreserveAttachments = NULL;

Expand All @@ -581,7 +564,7 @@ void create_render_target_render_pass(struct vk_window *window) {
VkRenderPassCreateInfo rp_info = {0};
rp_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
rp_info.pNext = NULL;
rp_info.attachmentCount = /*depthBufferBits > 0 ? 2 :*/ 1; // TODO
rp_info.attachmentCount = 1;
rp_info.pAttachments = attachments;
rp_info.subpassCount = 1;
rp_info.pSubpasses = &subpass;
Expand All @@ -590,6 +573,27 @@ void create_render_target_render_pass(struct vk_window *window) {

VkResult err = vkCreateRenderPass(vk_ctx.device, &rp_info, NULL, &window->rendertarget_render_pass);
assert(!err);

// depthBufferBits > 0
attachments[1].format = VK_FORMAT_D16_UNORM;
attachments[1].samples = VK_SAMPLE_COUNT_1_BIT;
attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[1].initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
attachments[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
attachments[1].flags = 0;

VkAttachmentReference depth_reference = {0};
depth_reference.attachment = 1;
depth_reference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
subpass.pDepthStencilAttachment = &depth_reference;

rp_info.attachmentCount = 2;

err = vkCreateRenderPass(vk_ctx.device, &rp_info, NULL, &window->rendertarget_render_pass_with_depth);
assert(!err);
}

void destroy_render_target_pass(struct vk_window *window) {
Expand Down
7 changes: 6 additions & 1 deletion Backends/Graphics5/Vulkan/Sources/kinc/backend/graphics5/commandlist.c.h
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Original file line number Diff line number Diff line change
Expand Up @@ -568,7 +568,12 @@ void kinc_g5_command_list_set_render_targets(kinc_g5_command_list_t *list, struc
rp_begin.pClearValues = clear_values;

if (count == 1) {
rp_begin.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass;
if (targets[0]->impl.depthBufferBits > 0) {
rp_begin.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass_with_depth;
}
else {
rp_begin.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass;
}
rp_begin.framebuffer = targets[0]->impl.framebuffer;
}
else {
Expand Down
7 changes: 6 additions & 1 deletion Backends/Graphics5/Vulkan/Sources/kinc/backend/graphics5/pipeline.c.h
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Original file line number Diff line number Diff line change
Expand Up @@ -672,7 +672,12 @@ void kinc_g5_pipeline_compile(kinc_g5_pipeline_t *pipeline) {
err = vkCreateGraphicsPipelines(vk_ctx.device, VK_NULL_HANDLE, 1, &pipeline_info, NULL, &pipeline->impl.framebuffer_pipeline);
assert(!err);

pipeline_info.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass;
if (pipeline->depthAttachmentBits > 0) {
pipeline_info.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass_with_depth;
}
else {
pipeline_info.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass;
}

err = vkCreateGraphicsPipelines(vk_ctx.device, VK_NULL_HANDLE, 1, &pipeline_info, NULL, &pipeline->impl.rendertarget_pipeline);
assert(!err);
Expand Down
98 changes: 15 additions & 83 deletions Backends/Graphics5/Vulkan/Sources/kinc/backend/graphics5/rendertarget.c.h
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Original file line number Diff line number Diff line change
Expand Up @@ -241,8 +241,15 @@ static void render_target_init(kinc_g5_render_target_t *target, int width, int h
VkFramebufferCreateInfo fbufCreateInfo = {0};
fbufCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
fbufCreateInfo.pNext = NULL;
fbufCreateInfo.renderPass = framebuffer_index < 0 ? vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass
: vk_ctx.windows[vk_ctx.current_window].framebuffer_render_pass;
if (framebuffer_index >= 0) {
fbufCreateInfo.renderPass = vk_ctx.windows[vk_ctx.current_window].framebuffer_render_pass;
}
else if (depthBufferBits > 0) {
fbufCreateInfo.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass_with_depth;
}
else {
fbufCreateInfo.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass;
}
fbufCreateInfo.attachmentCount = depthBufferBits > 0 ? 2 : 1;
fbufCreateInfo.pAttachments = attachments;
fbufCreateInfo.width = width;
Expand Down Expand Up @@ -294,86 +301,6 @@ void kinc_g5_render_target_set_depth_stencil_from(kinc_g5_render_target_t *targe
target->impl.depthBufferBits = source->impl.depthBufferBits;

// vkDestroyFramebuffer(vk_ctx.device, target->impl.framebuffer, nullptr);
// vkDestroyRenderPass(vk_ctx.device, target->impl.renderPass, nullptr);

{
VkAttachmentDescription attachments[2];
attachments[0].format = target->impl.format;
attachments[0].samples = VK_SAMPLE_COUNT_1_BIT;
attachments[0].loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
attachments[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachments[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[0].initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
attachments[0].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
attachments[0].flags = 0;

if (target->impl.depthBufferBits > 0) {
attachments[1].format = VK_FORMAT_D16_UNORM;
attachments[1].samples = VK_SAMPLE_COUNT_1_BIT;
attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachments[1].initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
attachments[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
attachments[1].flags = 0;
}

VkAttachmentReference color_reference = {0};
color_reference.attachment = 0;
color_reference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;

VkAttachmentReference depth_reference = {0};
depth_reference.attachment = 1;
depth_reference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;

VkSubpassDescription subpass = {0};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.flags = 0;
subpass.inputAttachmentCount = 0;
subpass.pInputAttachments = NULL;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &color_reference;
subpass.pResolveAttachments = NULL;
subpass.pDepthStencilAttachment = target->impl.depthBufferBits > 0 ? &depth_reference : NULL;
subpass.preserveAttachmentCount = 0;
subpass.pPreserveAttachments = NULL;

VkSubpassDependency dependencies[2];
memset(&dependencies, 0, sizeof(dependencies));

// TODO: depth-stencil-something
dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL;
dependencies[0].dstSubpass = 0;
dependencies[0].srcStageMask = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependencies[0].srcAccessMask = VK_ACCESS_SHADER_READ_BIT;
dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;

dependencies[1].srcSubpass = 0;
dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL;
dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependencies[1].dstStageMask = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
dependencies[1].dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;

VkRenderPassCreateInfo rp_info = {0};
rp_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
rp_info.pNext = NULL;
rp_info.attachmentCount = target->impl.depthBufferBits > 0 ? 2 : 1;
rp_info.pAttachments = attachments;
rp_info.subpassCount = 1;
rp_info.pSubpasses = &subpass;
rp_info.dependencyCount = 2;
rp_info.pDependencies = dependencies;

// TODO
// VkResult err = vkCreateRenderPass(vk_ctx.device, &rp_info, NULL, &target->impl.renderPass);
// assert(!err);
}

{
VkImageView attachments[2];
Expand All @@ -386,7 +313,12 @@ void kinc_g5_render_target_set_depth_stencil_from(kinc_g5_render_target_t *targe
VkFramebufferCreateInfo fbufCreateInfo = {0};
fbufCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
fbufCreateInfo.pNext = NULL;
fbufCreateInfo.renderPass = VK_NULL_HANDLE; // target->impl.renderPass; // TODO
if (target->impl.depthBufferBits > 0) {
fbufCreateInfo.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass_with_depth;
}
else {
fbufCreateInfo.renderPass = vk_ctx.windows[vk_ctx.current_window].rendertarget_render_pass;
}
fbufCreateInfo.attachmentCount = target->impl.depthBufferBits > 0 ? 2 : 1;
fbufCreateInfo.pAttachments = attachments;
fbufCreateInfo.width = target->width;
Expand Down
1 change: 1 addition & 0 deletions Backends/Graphics5/Vulkan/Sources/kinc/backend/graphics5/vulkan.h
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@ struct vk_window {

VkRenderPass framebuffer_render_pass;
VkRenderPass rendertarget_render_pass;
VkRenderPass rendertarget_render_pass_with_depth;

struct vk_depth depth;
};
Expand Down

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