35 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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// HASH=d3aec071998f871809f515e58abb1b0e
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REG_FIDDLE(Surface_MakeFromBackendTexture, 256, 256, false, 3) {
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void draw(SkCanvas* canvas) {
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    SkFont font(nullptr, 32);
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    SkPaint paint;
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    GrRecordingContext* context = canvas->recordingContext();
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    if (!context) {
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         canvas->drawString("GPU only!", 20, 40, font, paint);
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         return;
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    }
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    GrDirectContext* direct = context->asDirectContext();
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    if (!direct) {
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         canvas->drawString("Direct Context only!", 20, 40, font, paint);
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         return;
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    }
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    sk_sp<SkSurface> gpuSurface = SkSurface::MakeFromBackendTexture(direct,
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                                                                    backEndTexture,
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                                                                    kTopLeft_GrSurfaceOrigin,
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                                                                    0,
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                                                                    kRGBA_8888_SkColorType,
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                                                                    nullptr,
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                                                                    nullptr,
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                                                                    nullptr);
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    auto surfaceCanvas = gpuSurface->getCanvas();
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    surfaceCanvas->drawString("GPU rocks!", 20, 40, font, paint);
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    sk_sp<SkImage> image(gpuSurface->makeImageSnapshot());
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    canvas->drawImage(image, 0, 0);
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}
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}  // END FIDDLE
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