Rename RenderPassInfo to RenderPassDescriptor
diff --git a/src/backend/vulkan/RenderPassDescriptorVk.cpp b/src/backend/vulkan/RenderPassDescriptorVk.cpp
new file mode 100644
index 0000000..02d4337
--- /dev/null
+++ b/src/backend/vulkan/RenderPassDescriptorVk.cpp
@@ -0,0 +1,122 @@
+// Copyright 2018 The NXT Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "backend/vulkan/RenderPassDescriptorVk.h"
+
+#include "backend/vulkan/FencedDeleter.h"
+#include "backend/vulkan/RenderPassCache.h"
+#include "backend/vulkan/TextureVk.h"
+#include "backend/vulkan/VulkanBackend.h"
+#include "common/BitSetIterator.h"
+
+namespace backend { namespace vulkan {
+
+ RenderPassDescriptor::RenderPassDescriptor(RenderPassDescriptorBuilder* builder)
+ : RenderPassDescriptorBase(builder), mDevice(ToBackend(builder->GetDevice())) {
+ }
+
+ void RenderPassDescriptor::RecordBeginRenderPass(VkCommandBuffer commands) {
+ // Query a VkRenderPass from the cache
+ VkRenderPass renderPass = VK_NULL_HANDLE;
+ {
+ RenderPassCacheQuery query;
+
+ for (uint32_t i : IterateBitSet(GetColorAttachmentMask())) {
+ const auto& attachmentInfo = GetColorAttachment(i);
+ query.SetColor(i, attachmentInfo.view->GetTexture()->GetFormat(),
+ attachmentInfo.loadOp);
+ }
+
+ if (HasDepthStencilAttachment()) {
+ const auto& attachmentInfo = GetDepthStencilAttachment();
+ query.SetDepthStencil(attachmentInfo.view->GetTexture()->GetFormat(),
+ attachmentInfo.depthLoadOp, attachmentInfo.stencilLoadOp);
+ }
+
+ renderPass = mDevice->GetRenderPassCache()->GetRenderPass(query);
+ }
+
+ // Create a framebuffer that will be used once for the render pass and gather the clear
+ // values for the attachments at the same time.
+ std::array<VkClearValue, kMaxColorAttachments + 1> clearValues;
+ VkFramebuffer framebuffer = VK_NULL_HANDLE;
+ uint32_t attachmentCount = 0;
+ {
+ // Fill in the attachment info that will be chained in the framebuffer create info.
+ std::array<VkImageView, kMaxColorAttachments + 1> attachments;
+
+ for (uint32_t i : IterateBitSet(GetColorAttachmentMask())) {
+ auto& attachmentInfo = GetColorAttachment(i);
+ TextureView* view = ToBackend(attachmentInfo.view.Get());
+
+ attachments[attachmentCount] = view->GetHandle();
+
+ clearValues[attachmentCount].color.float32[0] = attachmentInfo.clearColor[0];
+ clearValues[attachmentCount].color.float32[1] = attachmentInfo.clearColor[1];
+ clearValues[attachmentCount].color.float32[2] = attachmentInfo.clearColor[2];
+ clearValues[attachmentCount].color.float32[3] = attachmentInfo.clearColor[3];
+
+ attachmentCount++;
+ }
+
+ if (HasDepthStencilAttachment()) {
+ auto& attachmentInfo = GetDepthStencilAttachment();
+ TextureView* view = ToBackend(attachmentInfo.view.Get());
+
+ attachments[attachmentCount] = view->GetHandle();
+
+ clearValues[attachmentCount].depthStencil.depth = attachmentInfo.clearDepth;
+ clearValues[attachmentCount].depthStencil.stencil = attachmentInfo.clearStencil;
+
+ attachmentCount++;
+ }
+
+ // Chain attachments and create the framebuffer
+ VkFramebufferCreateInfo createInfo;
+ createInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
+ createInfo.pNext = nullptr;
+ createInfo.flags = 0;
+ createInfo.renderPass = renderPass;
+ createInfo.attachmentCount = attachmentCount;
+ createInfo.pAttachments = attachments.data();
+ createInfo.width = GetWidth();
+ createInfo.height = GetHeight();
+ createInfo.layers = 1;
+
+ if (mDevice->fn.CreateFramebuffer(mDevice->GetVkDevice(), &createInfo, nullptr,
+ &framebuffer) != VK_SUCCESS) {
+ ASSERT(false);
+ }
+
+ // We don't reuse VkFramebuffers so mark the framebuffer for deletion as soon as the
+ // commands currently being recorded are finished.
+ mDevice->GetFencedDeleter()->DeleteWhenUnused(framebuffer);
+ }
+
+ VkRenderPassBeginInfo beginInfo;
+ beginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
+ beginInfo.pNext = nullptr;
+ beginInfo.renderPass = renderPass;
+ beginInfo.framebuffer = framebuffer;
+ beginInfo.renderArea.offset.x = 0;
+ beginInfo.renderArea.offset.y = 0;
+ beginInfo.renderArea.extent.width = GetWidth();
+ beginInfo.renderArea.extent.height = GetHeight();
+ beginInfo.clearValueCount = attachmentCount;
+ beginInfo.pClearValues = clearValues.data();
+
+ mDevice->fn.CmdBeginRenderPass(commands, &beginInfo, VK_SUBPASS_CONTENTS_INLINE);
+ }
+
+}} // namespace backend::vulkan
