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Vulkan: Implement RenderPass LoadOp

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Corentin Wallez 2018-02-05 15:43:06 -05:00 committed by Corentin Wallez
parent 8b7564fb54
commit 27570bd5b4
1 changed files with 21 additions and 4 deletions
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25
src/backend/vulkan/RenderPassVk.cpp
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@ -20,6 +20,19 @@
namespace backend { namespace vulkan { namespace backend { namespace vulkan {
namespace {
VkAttachmentLoadOp VulkanAttachmentLoadOp(nxt::LoadOp op) {
switch (op) {
case nxt::LoadOp::Load:
return VK_ATTACHMENT_LOAD_OP_LOAD;
case nxt::LoadOp::Clear:
return VK_ATTACHMENT_LOAD_OP_CLEAR;
default:
UNREACHABLE();
}
}
} // anonymous namespace
RenderPass::RenderPass(RenderPassBuilder* builder) RenderPass::RenderPass(RenderPassBuilder* builder)
: RenderPassBase(builder), mDevice(ToBackend(builder->GetDevice())) { : RenderPassBase(builder), mDevice(ToBackend(builder->GetDevice())) {
// For now we only support single pass render passes. // For now we only support single pass render passes.
@ -65,14 +78,18 @@ namespace backend { namespace vulkan {
attachmentDesc.flags = 0; attachmentDesc.flags = 0;
attachmentDesc.format = VulkanImageFormat(attachment.format); attachmentDesc.format = VulkanImageFormat(attachment.format);
attachmentDesc.samples = VK_SAMPLE_COUNT_1_BIT; attachmentDesc.samples = VK_SAMPLE_COUNT_1_BIT;
attachmentDesc.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
attachmentDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachmentDesc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
attachmentDesc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_STORE;
if (TextureFormatHasDepthOrStencil(attachment.format)) { if (TextureFormatHasDepthOrStencil(attachment.format)) {
attachmentDesc.loadOp = VulkanAttachmentLoadOp(attachment.depthLoadOp);
attachmentDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachmentDesc.stencilLoadOp = VulkanAttachmentLoadOp(attachment.stencilLoadOp);
attachmentDesc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_STORE;
attachmentDesc.initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; attachmentDesc.initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
attachmentDesc.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; attachmentDesc.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
} else { } else {
attachmentDesc.loadOp = VulkanAttachmentLoadOp(attachment.colorLoadOp);
attachmentDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachmentDesc.initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; attachmentDesc.initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
attachmentDesc.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; attachmentDesc.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
} }