opus-tango/IntroductionToVulkan
1
0
Fork 0
mirror of https://github.com/opus-tango/IntroductionToVulkan.git synced 2026-03-20 03:55:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improved image memory barriers (used subpass dependencies in render pass).

Browse Source
This commit is contained in:
plapins
2016-07-01 18:23:04 +02:00
parent 7181fa4016
commit 638d77d51b
1 changed files with 81 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files

139
Project/Tutorial04/Tutorial04.cpp
View File

@@ -20,50 +20,71 @@ namespace ApiWithoutSecrets {
bool Tutorial04::CreateRenderPass() {
VkAttachmentDescription attachment_descriptions[] = {
{
0, // VkAttachmentDescriptionFlags flags
GetSwapChain().Format, // VkFormat format
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout initialLayout;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout finalLayout
0, // VkAttachmentDescriptionFlags flags
GetSwapChain().Format, // VkFormat format
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout initialLayout;
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR // VkImageLayout finalLayout
}
};
VkAttachmentReference color_attachment_references[] = {
{
0, // uint32_t attachment
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout
0, // uint32_t attachment
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout
}
};
VkSubpassDescription subpass_descriptions[] = {
{
0, // VkSubpassDescriptionFlags flags
VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint pipelineBindPoint
0, // uint32_t inputAttachmentCount
nullptr, // const VkAttachmentReference *pInputAttachments
1, // uint32_t colorAttachmentCount
color_attachment_references, // const VkAttachmentReference *pColorAttachments
nullptr, // const VkAttachmentReference *pResolveAttachments
nullptr, // const VkAttachmentReference *pDepthStencilAttachment
0, // uint32_t preserveAttachmentCount
nullptr // const uint32_t* pPreserveAttachments
0, // VkSubpassDescriptionFlags flags
VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint pipelineBindPoint
0, // uint32_t inputAttachmentCount
nullptr, // const VkAttachmentReference *pInputAttachments
1, // uint32_t colorAttachmentCount
color_attachment_references, // const VkAttachmentReference *pColorAttachments
nullptr, // const VkAttachmentReference *pResolveAttachments
nullptr, // const VkAttachmentReference *pDepthStencilAttachment
0, // uint32_t preserveAttachmentCount
nullptr // const uint32_t* pPreserveAttachments
}
};
std::vector<VkSubpassDependency> dependencies = {
{
VK_SUBPASS_EXTERNAL, // uint32_t srcSubpass
0, // uint32_t dstSubpass
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, // VkPipelineStageFlags srcStageMask
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, // VkPipelineStageFlags dstStageMask
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags dstAccessMask
VK_DEPENDENCY_BY_REGION_BIT // VkDependencyFlags dependencyFlags
},
{
0, // uint32_t srcSubpass
VK_SUBPASS_EXTERNAL, // uint32_t dstSubpass
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, // VkPipelineStageFlags srcStageMask
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, // VkPipelineStageFlags dstStageMask
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags dstAccessMask
VK_DEPENDENCY_BY_REGION_BIT // VkDependencyFlags dependencyFlags
}
};
VkRenderPassCreateInfo render_pass_create_info = {
VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkRenderPassCreateFlags flags
1, // uint32_t attachmentCount
attachment_descriptions, // const VkAttachmentDescription *pAttachments
1, // uint32_t subpassCount
subpass_descriptions, // const VkSubpassDescription *pSubpasses
0, // uint32_t dependencyCount
nullptr // const VkSubpassDependency *pDependencies
VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkRenderPassCreateFlags flags
1, // uint32_t attachmentCount
attachment_descriptions, // const VkAttachmentDescription *pAttachments
1, // uint32_t subpassCount
subpass_descriptions, // const VkSubpassDescription *pSubpasses
static_cast<uint32_t>(dependencies.size()), // uint32_t dependencyCount
&dependencies[0] // const VkSubpassDependency *pDependencies
};
if( vkCreateRenderPass( GetDevice(), &render_pass_create_info, nullptr, &Vulkan.RenderPass ) != VK_SUCCESS ) {
@@ -503,21 +524,21 @@ namespace ApiWithoutSecrets {
1 // uint32_t layerCount
};
uint32_t present_queue_family_index = (GetPresentQueue().Handle != GetGraphicsQueue().Handle) ? GetPresentQueue().FamilyIndex : VK_QUEUE_FAMILY_IGNORED;
uint32_t graphics_queue_family_index = (GetPresentQueue().Handle != GetGraphicsQueue().Handle) ? GetGraphicsQueue().FamilyIndex : VK_QUEUE_FAMILY_IGNORED;
VkImageMemoryBarrier barrier_from_present_to_draw = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void *pNext
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags dstAccessMask
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout oldLayout
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout newLayout
present_queue_family_index, // uint32_t srcQueueFamilyIndex
graphics_queue_family_index, // uint32_t dstQueueFamilyIndex
image_parameters.Handle, // VkImage image
image_subresource_range // VkImageSubresourceRange subresourceRange
};
vkCmdPipelineBarrier( command_buffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier_from_present_to_draw );
if( GetPresentQueue().Handle != GetGraphicsQueue().Handle ) {
VkImageMemoryBarrier barrier_from_present_to_draw = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void *pNext
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags dstAccessMask
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout oldLayout
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout newLayout
GetPresentQueue().FamilyIndex, // uint32_t srcQueueFamilyIndex
GetGraphicsQueue().FamilyIndex, // uint32_t dstQueueFamilyIndex
image_parameters.Handle, // VkImage image
image_subresource_range // VkImageSubresourceRange subresourceRange
};
vkCmdPipelineBarrier( command_buffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier_from_present_to_draw );
}
VkClearValue clear_value = {
{ 1.0f, 0.8f, 0.4f, 0.0f }, // VkClearColorValue color
@@ -573,19 +594,21 @@ namespace ApiWithoutSecrets {
vkCmdEndRenderPass( command_buffer );
VkImageMemoryBarrier barrier_from_draw_to_present = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void *pNext
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags dstAccessMask
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout oldLayout
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout newLayout
graphics_queue_family_index, // uint32_t srcQueueFamilyIndex
present_queue_family_index, // uint32_t dstQueueFamilyIndex
image_parameters.Handle, // VkImage image
image_subresource_range // VkImageSubresourceRange subresourceRange
};
vkCmdPipelineBarrier( command_buffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier_from_draw_to_present );
if( GetGraphicsQueue().Handle != GetPresentQueue().Handle ) {
VkImageMemoryBarrier barrier_from_draw_to_present = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void *pNext
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags dstAccessMask
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout oldLayout
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout newLayout
GetGraphicsQueue().FamilyIndex, // uint32_t srcQueueFamilyIndex
GetPresentQueue().FamilyIndex, // uint32_t dstQueueFamilyIndex
image_parameters.Handle, // VkImage image
image_subresource_range // VkImageSubresourceRange subresourceRange
};
vkCmdPipelineBarrier( command_buffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier_from_draw_to_present );
}
if( vkEndCommandBuffer( command_buffer ) != VK_SUCCESS ) {
std::cout << "Could not record command buffer!" << std::endl;