cache render window texture (#17669)

Author: star-e

native/cocos/renderer/pipeline/custom/NativePipeline.cpp

@@ -289,14 +289,16 @@ uint32_t addDepthStencilImpl(
     if (swapchain) {
         CC_EXPECTS(residency == ResourceResidency::BACKBUFFER);
         CC_EXPECTS(ppl.defaultFramebufferHasDepthStencil);
+        RenderSwapchain sc{swapchain, true};
+        sc.texture = RenderSwapchain::getDepthStencilTexture(swapchain);
         resID = addVertex(
             SwapchainTag{},
             std::forward_as_tuple(name.c_str()),
             std::forward_as_tuple(desc),
             std::forward_as_tuple(ResourceTraits{residency}),
             std::forward_as_tuple(),
             std::forward_as_tuple(samplerInfo),
-            std::forward_as_tuple(RenderSwapchain{swapchain, true}),
+            std::forward_as_tuple(sc),
             ppl.resourceGraph);
     } else {
         CC_EXPECTS(residency == ResourceResidency::MANAGED || residency == ResourceResidency::MEMORYLESS);
@@ -378,6 +380,9 @@ uint32_t NativePipeline::addRenderWindow(
         sc.renderWindow = renderWindow;
         CC_ENSURES(!sc.isDepthStencil);
 
+        sc.texture = RenderSwapchain::getColorTexture(renderWindow);
+        CC_ENSURES(sc.texture);
+
         CC_ENSURES(desc.format != gfx::Format::UNKNOWN);
         return addVertex(
             SwapchainTag{},
@@ -396,14 +401,18 @@ uint32_t NativePipeline::addRenderWindow(
     desc.format = renderWindow->getFramebuffer()->getColorTextures()[0]->getFormat();
     CC_ENSURES(desc.format != gfx::Format::UNKNOWN);
 
+    RenderSwapchain sc{renderWindow->getSwapchain(), false};
+    sc.texture = RenderSwapchain::getColorTexture(renderWindow->getSwapchain());
+    CC_ENSURES(sc.texture);
+
     return addVertex(
         SwapchainTag{},
         std::forward_as_tuple(name.c_str()),
         std::forward_as_tuple(desc),
         std::forward_as_tuple(ResourceTraits{ResourceResidency::BACKBUFFER}),
         std::forward_as_tuple(),
         std::forward_as_tuple(),
-        std::forward_as_tuple(RenderSwapchain{renderWindow->getSwapchain(), false}),
+        std::forward_as_tuple(sc),
         resourceGraph);
 }
 

native/cocos/renderer/pipeline/custom/NativeResourceGraph.cpp

@@ -36,6 +36,29 @@ namespace cc {
 
 namespace render {
 
+gfx::Texture* RenderSwapchain::getColorTexture(gfx::Swapchain* swapchain) noexcept {
+    CC_EXPECTS(swapchain);
+    gfx::Texture* texture = swapchain->getColorTexture();
+    CC_ENSURES(texture);
+    return texture;
+}
+
+gfx::Texture* RenderSwapchain::getColorTexture(scene::RenderWindow* renderWindow) noexcept {
+    const auto& fb = renderWindow->getFramebuffer();
+    CC_EXPECTS(fb);
+    CC_EXPECTS(fb->getColorTextures().size() == 1);
+    gfx::Texture* texture = fb->getColorTextures()[0];
+    CC_ENSURES(texture);
+    return texture;
+}
+
+gfx::Texture* RenderSwapchain::getDepthStencilTexture(gfx::Swapchain* swapchain) noexcept {
+    CC_EXPECTS(swapchain);
+    gfx::Texture* texture = swapchain->getDepthStencilTexture();
+    CC_ENSURES(texture);
+    return texture;
+}
+
 ResourceGroup::~ResourceGroup() noexcept {
     for (const auto& buffer : instancingBuffers) {
         buffer->clear();
@@ -398,23 +421,7 @@ gfx::Texture* ResourceGraph::getTexture(vertex_descriptor resID) {
             return fb->getColorTextures()[0];
         },
         [](const RenderSwapchain& sc) -> gfx::Texture* {
-            gfx::Texture* texture1 = nullptr;
-            if (sc.swapchain) {
-                if (sc.isDepthStencil) {
-                    texture1 = sc.swapchain->getDepthStencilTexture();
-                } else {
-                    texture1 = sc.swapchain->getColorTexture();
-                }
-            } else {
-                CC_EXPECTS(sc.renderWindow);
-                CC_EXPECTS(!sc.isDepthStencil);
-                const auto& fb = sc.renderWindow->getFramebuffer();
-                CC_EXPECTS(fb);
-                CC_EXPECTS(fb->getColorTextures().size() == 1);
-                CC_EXPECTS(fb->getColorTextures().at(0));
-                texture1 = fb->getColorTextures()[0];
-            }
-            return texture1;
+            return sc.texture;
         },
         [](const FormatView& view) -> gfx::Texture* {
             // TODO(zhouzhenglong): add ImageView support

native/cocos/renderer/pipeline/custom/RenderGraphTypes.h

@@ -192,12 +192,17 @@ struct RenderSwapchain {
     : swapchain(swapchainIn),
       isDepthStencil(isDepthStencilIn) {}
 
+    static gfx::Texture* getColorTexture(gfx::Swapchain* swapchain) noexcept;
+    static gfx::Texture* getColorTexture(scene::RenderWindow* renderWindow) noexcept;
+    static gfx::Texture* getDepthStencilTexture(gfx::Swapchain* swapchain) noexcept;
+
     gfx::Swapchain* swapchain{nullptr};
     scene::RenderWindow* renderWindow{nullptr};
     uint32_t currentID{0};
     uint32_t numBackBuffers{0};
     uint32_t generation{0xFFFFFFFF};
     bool isDepthStencil{false};
+    gfx::Texture* texture{nullptr};
 };
 
 struct ResourceStates {