HWUI: set correct sampler for external texture in shaders
Test: hwuimacro hwbitmapcompositeshader
bug:30999911
Change-Id: Ic63f7109a4a7069b62c0b21efae2d4ba7e6d64be
diff --git a/libs/hwui/tests/common/scenes/HwBitmapInCompositeShader.cpp b/libs/hwui/tests/common/scenes/HwBitmapInCompositeShader.cpp
new file mode 100644
index 0000000..83b01e9
--- /dev/null
+++ b/libs/hwui/tests/common/scenes/HwBitmapInCompositeShader.cpp
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * 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 "TestSceneBase.h"
+#include "utils/Color.h"
+
+#include <gui/IGraphicBufferAlloc.h>
+#include <gui/ISurfaceComposer.h>
+#include <private/gui/ComposerService.h>
+#include <binder/IServiceManager.h>
+#include <ui/PixelFormat.h>
+#include <SkGradientShader.h>
+#include <SkImagePriv.h>
+
+class HwBitmapInCompositeShader;
+
+static TestScene::Registrar _HwBitmapInCompositeShader(TestScene::Info{
+ "hwbitmapcompositeshader",
+ "Draws composite shader with hardware bitmap",
+ TestScene::simpleCreateScene<HwBitmapInCompositeShader>
+});
+
+class HwBitmapInCompositeShader : public TestScene {
+public:
+ sp<RenderNode> card;
+ void createContent(int width, int height, Canvas& canvas) override {
+ canvas.drawColor(Color::Red_500, SkBlendMode::kSrcOver);
+
+ status_t error;
+ sp<ISurfaceComposer> composer(ComposerService::getComposerService());
+ sp<IGraphicBufferAlloc> alloc(composer->createGraphicBufferAlloc());
+ uint32_t usage = GraphicBuffer::USAGE_HW_TEXTURE
+ | GraphicBuffer::USAGE_SW_READ_NEVER
+ | GRALLOC_USAGE_SW_WRITE_RARELY;
+ sp<GraphicBuffer> buffer = alloc->createGraphicBuffer(400, 200, PIXEL_FORMAT_RGBA_8888, 1,
+ usage, &error);
+
+ unsigned char* pixels = nullptr;
+ buffer->lock(GraphicBuffer::USAGE_SW_WRITE_RARELY, ((void**)&pixels));
+ size_t size = bytesPerPixel(buffer->getPixelFormat()) * buffer->getStride()
+ * buffer->getHeight();
+ memset(pixels, 0, size);
+ for (int i = 0; i < 6000; i++) {
+ pixels[4000 + 4 * i + 0] = 255;
+ pixels[4000 + 4 * i + 1] = 255;
+ pixels[4000 + 4 * i + 2] = 0;
+ pixels[4000 + 4 * i + 3] = 255;
+ }
+ buffer->unlock();
+ sk_sp<Bitmap> hardwareBitmap(Bitmap::createFrom(buffer));
+ sk_sp<SkShader> hardwareShader(createBitmapShader(*hardwareBitmap));
+
+ SkPoint center;
+ center.set(50, 50);
+ SkColor colors[2];
+ colors[0] = Color::Black;
+ colors[1] = Color::White;
+ sk_sp<SkShader> gradientShader = SkGradientShader::MakeRadial(center, 50, colors, nullptr,
+ 2, SkShader::TileMode::kRepeat_TileMode);
+
+ sk_sp<SkShader> compositeShader(
+ SkShader::MakeComposeShader(hardwareShader, gradientShader, SkBlendMode::kDstATop));
+
+ SkPaint paint;
+ paint.setShader(std::move(compositeShader));
+ canvas.drawRoundRect(0, 0, 400, 200, 10.0f, 10.0f, paint);
+ }
+
+ void doFrame(int frameNr) override { }
+
+ sk_sp<SkShader> createBitmapShader(Bitmap& bitmap) {
+ SkBitmap skBitmap;
+ bitmap.getSkBitmapForShaders(&skBitmap);
+ sk_sp<SkImage> image = SkMakeImageFromRasterBitmap(skBitmap, kNever_SkCopyPixelsMode);
+ return image->makeShader(SkShader::TileMode::kClamp_TileMode,
+ SkShader::TileMode::kClamp_TileMode);
+ }
+};
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