39 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			1.8 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=d093aad721261f421c4bef4a296aab48
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REG_FIDDLE(Image_getBackendTexture, 256, 256, false, 3) {
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void draw(SkCanvas* canvas) {
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    SkFont font;
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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<SkImage> imageFromBackend = SkImage::MakeFromAdoptedTexture(direct,
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                                                                      backEndTexture,
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                                                                      kBottomLeft_GrSurfaceOrigin,
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                                                                      kRGBA_8888_SkColorType,
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                                                                      kOpaque_SkAlphaType);
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    GrBackendTexture textureFromImage = imageFromBackend->getBackendTexture(false);
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    if (!textureFromImage.isValid()) {
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        return;
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    }
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    sk_sp<SkImage> imageFromTexture = SkImage::MakeFromAdoptedTexture(direct,
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                                                                      textureFromImage,
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                                                                      kTopLeft_GrSurfaceOrigin,
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                                                                      kRGBA_8888_SkColorType,
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                                                                      kOpaque_SkAlphaType);
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    canvas->drawImage(imageFromTexture, 0, 0);
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    canvas->drawImage(imageFromBackend, 128, 128);
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}
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}  // END FIDDLE
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