Image_GetBackendTextureFromImage.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Image_GetBackendTextureFromImage, 256, 256, false, 3)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Image_GetBackendTextureFromImage	,
		256	,
		256	,
		false	,
		3
	)

Definition at line 4 of file Image_GetBackendTextureFromImage.cpp.

                                                                 {
void draw(SkCanvas* canvas) {
    SkFont font = SkFont(fontMgr->matchFamilyStyle(nullptr, {}));
    SkPaint paint;
 
    GrRecordingContext* context = canvas->recordingContext();
    if (!context) {
        canvas->drawString("GPU only!", 20, 40, font, paint);
        return;
    }
    GrDirectContext* direct = context->asDirectContext();
    if (!direct) {
        canvas->drawString("Direct context only!", 20, 40, font, paint);
        return;
    }
 
    sk_sp<SkImage> imageFromBackend = SkImages::AdoptTextureFrom(direct,
                                                                 backEndTexture,
                                                                 kBottomLeft_GrSurfaceOrigin,
                                                                 kRGBA_8888_SkColorType,
                                                                 kOpaque_SkAlphaType);
    GrBackendTexture textureFromImage;
    if (!SkImages::GetBackendTextureFromImage(imageFromBackend, &textureFromImage, false)) {
        return;
    }
 
    sk_sp<SkImage> imageFromTexture = SkImages::AdoptTextureFrom(direct,
                                                                 textureFromImage,
                                                                 kTopLeft_GrSurfaceOrigin,
                                                                 kRGBA_8888_SkColorType,
                                                                 kOpaque_SkAlphaType);
    canvas->drawImage(imageFromTexture, 0, 0);
    canvas->drawImage(imageFromBackend, 128, 128);
}
}  // END FIDDLE