swizzle.cpp File Reference

#include "gm/gm.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkRect.h"
#include "include/core/SkTypes.h"
#include "src/core/SkCanvasPriv.h"
#include "src/gpu/ganesh/GrCanvas.h"
#include "src/gpu/ganesh/GrFragmentProcessor.h"
#include "src/gpu/ganesh/SkGr.h"
#include "src/gpu/ganesh/SurfaceFillContext.h"
#include "src/gpu/ganesh/effects/GrTextureEffect.h"
#include "tools/DecodeUtils.h"
#include "tools/Resources.h"

Go to the source code of this file.

Functions
	DEF_SIMPLE_GPU_GM (swizzle, rContext, canvas, 512, 512)

Function Documentation

DEF_SIMPLE_GPU_GM()

DEF_SIMPLE_GPU_GM	(	swizzle	,
		rContext	,
		canvas	,
		512	,
		512
	)

Definition at line 24 of file swizzle.cpp.

                                                       {
    auto sfc = skgpu::ganesh::TopDeviceSurfaceFillContext(canvas);
    if (!sfc) {
        return;
    }
 
    SkBitmap bmp;
    ToolUtils::GetResourceAsBitmap("images/mandrill_512_q075.jpg", &bmp);
    auto view = std::get<0>(GrMakeCachedBitmapProxyView(
            rContext, bmp, /*label=*/"Gm_Swizzle", skgpu::Mipmapped::kNo));
    if (!view) {
        return;
    }
    std::unique_ptr<GrFragmentProcessor> imgFP =
        GrTextureEffect::Make(std::move(view), bmp.alphaType(), SkMatrix());
    auto fp = GrFragmentProcessor::SwizzleOutput(std::move(imgFP), skgpu::Swizzle("grb1"));
 
    sfc->fillWithFP(std::move(fp));
}