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Commit 2c0f16b9 authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
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Merge "Do not allocate f16 buffer if device does not support it" am: 40c7ef8d

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1858430

Change-Id: I899ed5ff48035d47643786d15039aefe101f19f8
parents ce98b730 40c7ef8d
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+15 −12
Original line number Diff line number Diff line
@@ -388,7 +388,10 @@ void Cache::primeShaderCache(SkiaRenderEngine* renderengine) {
            drawBlurLayers(renderengine, display, dstTexture);
        }

        // should be the same as AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
        // The majority of skia shaders needed by RenderEngine are related to sampling images.
        // These need to be generated with various source textures.
        // Make a list of applicable sources.
        // GRALLOC_USAGE_HW_TEXTURE should be the same as AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE.
        const int64_t usageExternal = GRALLOC_USAGE_HW_TEXTURE;
        sp<GraphicBuffer> externalBuffer =
                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_8888,
@@ -396,24 +399,24 @@ void Cache::primeShaderCache(SkiaRenderEngine* renderengine) {
        const auto externalTexture =
                std::make_shared<ExternalTexture>(externalBuffer, *renderengine,
                                                  ExternalTexture::Usage::READABLE);
        std::vector<const std::shared_ptr<ExternalTexture>> textures =
            {srcTexture, externalTexture};

        // Another external texture with a different pixel format triggers useIsOpaqueWorkaround
        // Another external texture with a different pixel format triggers useIsOpaqueWorkaround.
        // It doesn't have to be f16, but it can't be the usual 8888.
        sp<GraphicBuffer> f16ExternalBuffer =
                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_FP16,
                                  1, usageExternal, "primeShaderCache_external_f16");
        // The F16 texture may not be usable on all devices, so check first that it was created.
        status_t error = f16ExternalBuffer->initCheck();
        if (!error) {
            const auto f16ExternalTexture =
                std::make_shared<ExternalTexture>(f16ExternalBuffer, *renderengine,
                                                  ExternalTexture::Usage::READABLE);
            textures.push_back(f16ExternalTexture);
        }

        // The majority of shaders are related to sampling images.
        // These need to be generated with various source textures
        // The F16 texture may not be usable on all devices, so check first that it was created with
        // the requested usage bit.
        auto textures = {srcTexture, externalTexture};
        auto texturesWithF16 = {srcTexture, externalTexture, f16ExternalTexture};
        bool canUsef16 = f16ExternalBuffer->getUsage() & GRALLOC_USAGE_HW_TEXTURE;

        for (auto texture : canUsef16 ? texturesWithF16 : textures) {
        for (auto texture : textures) {
            drawImageLayers(renderengine, display, dstTexture, texture);
            // Draw layers for b/185569240.
            drawClippedLayers(renderengine, display, dstTexture, texture);