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

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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
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51
Project/Tutorial04/Tutorial04.cpp
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@@ -27,8 +27,8 @@ namespace ApiWithoutSecrets {
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
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout initialLayout;
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR // VkImageLayout finalLayout
}
};
@@ -54,6 +54,27 @@ namespace ApiWithoutSecrets {
}
};
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
@@ -62,8 +83,8 @@ namespace ApiWithoutSecrets {
attachment_descriptions, // const VkAttachmentDescription *pAttachments
1, // uint32_t subpassCount
subpass_descriptions, // const VkSubpassDescription *pSubpasses
0, // uint32_t dependencyCount
nullptr // const VkSubpassDependency *pDependencies
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;
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_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags dstAccessMask
VK_ACCESS_MEMORY_READ_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
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 );
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_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_MEMORY_READ_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 oldLayout
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout newLayout
graphics_queue_family_index, // uint32_t srcQueueFamilyIndex
present_queue_family_index, // uint32_t dstQueueFamilyIndex
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;