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skia2/gm/yuvtorgbeffect.cpp
Brian Salomon 82f4431915 Make GrPaints move their GrProcessor ownership into GrPipelineBuilder. 
This makes GrPaints usable only once. In some places we must make copies in order to issue draws with the same paint state.

Change-Id: Ie816e5185ce93a064111cad64c6880e1e21184c2
Reviewed-on: https://skia-review.googlesource.com/6844
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2017-01-11 19:56:48 +00:00

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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// This test only works with the GPU backend.
#include "gm.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "GrRenderTargetContextPriv.h"
#include "SkBitmap.h"
#include "SkGr.h"
#include "SkGradientShader.h"
#include "effects/GrYUVEffect.h"
#include "ops/GrDrawOp.h"
#include "ops/GrRectOpFactory.h"
#define YSIZE 8
#define USIZE 4
#define VSIZE 4
namespace skiagm {
/**
* This GM directly exercises GrYUVtoRGBEffect.
*/
class YUVtoRGBEffect : public GM {
public:
YUVtoRGBEffect() {
this->setBGColor(0xFFFFFFFF);
}
protected:
SkString onShortName() override {
return SkString("yuv_to_rgb_effect");
}
SkISize onISize() override {
return SkISize::Make(238, 120);
}
void onOnceBeforeDraw() override {
SkImageInfo yinfo = SkImageInfo::MakeA8(YSIZE, YSIZE);
fBmp[0].allocPixels(yinfo);
SkImageInfo uinfo = SkImageInfo::MakeA8(USIZE, USIZE);
fBmp[1].allocPixels(uinfo);
SkImageInfo vinfo = SkImageInfo::MakeA8(VSIZE, VSIZE);
fBmp[2].allocPixels(vinfo);
unsigned char* pixels[3];
for (int i = 0; i < 3; ++i) {
pixels[i] = (unsigned char*)fBmp[i].getPixels();
}
int color[] = {0, 85, 170};
const int limit[] = {255, 0, 255};
const int invl[] = {0, 255, 0};
const int inc[] = {1, -1, 1};
for (int i = 0; i < 3; ++i) {
const size_t nbBytes = fBmp[i].rowBytes() * fBmp[i].height();
for (size_t j = 0; j < nbBytes; ++j) {
pixels[i][j] = (unsigned char)color[i];
color[i] = (color[i] == limit[i]) ? invl[i] : color[i] + inc[i];
}
}
}
void onDraw(SkCanvas* canvas) override {
GrRenderTargetContext* renderTargetContext =
canvas->internal_private_accessTopLayerRenderTargetContext();
if (!renderTargetContext) {
skiagm::GM::DrawGpuOnlyMessage(canvas);
return;
}
GrContext* context = canvas->getGrContext();
if (!context) {
return;
}
sk_sp<GrTexture> texture[3];
texture[0].reset(
GrRefCachedBitmapTexture(context, fBmp[0], GrSamplerParams::ClampBilerp()));
texture[1].reset(
GrRefCachedBitmapTexture(context, fBmp[1], GrSamplerParams::ClampBilerp()));
texture[2].reset(
GrRefCachedBitmapTexture(context, fBmp[2], GrSamplerParams::ClampBilerp()));
if (!texture[0] || !texture[1] || !texture[2]) {
return;
}
constexpr SkScalar kDrawPad = 10.f;
constexpr SkScalar kTestPad = 10.f;
constexpr SkScalar kColorSpaceOffset = 36.f;
SkISize sizes[3] = {{YSIZE, YSIZE}, {USIZE, USIZE}, {VSIZE, VSIZE}};
for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpace;
++space) {
SkRect renderRect = SkRect::MakeWH(SkIntToScalar(fBmp[0].width()),
SkIntToScalar(fBmp[0].height()));
renderRect.outset(kDrawPad, kDrawPad);
SkScalar y = kDrawPad + kTestPad + space * kColorSpaceOffset;
SkScalar x = kDrawPad + kTestPad;
const int indices[6][3] = {{0, 1, 2}, {0, 2, 1}, {1, 0, 2},
{1, 2, 0}, {2, 0, 1}, {2, 1, 0}};
for (int i = 0; i < 6; ++i) {
sk_sp<GrFragmentProcessor> fp(
GrYUVEffect::MakeYUVToRGB(texture[indices[i][0]].get(),
texture[indices[i][1]].get(),
texture[indices[i][2]].get(),
sizes,
static_cast<SkYUVColorSpace>(space),
false));
if (fp) {
GrPaint grPaint;
grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc));
grPaint.addColorFragmentProcessor(std::move(fp));
SkMatrix viewMatrix;
viewMatrix.setTranslate(x, y);
std::unique_ptr<GrDrawOp> op(GrRectOpFactory::MakeNonAAFill(
GrColor_WHITE, viewMatrix, renderRect, nullptr, nullptr));
renderTargetContext->priv().testingOnly_addDrawOp(
std::move(grPaint), GrAAType::kNone, std::move(op));
}
x += renderRect.width() + kTestPad;
}
}
}
private:
SkBitmap fBmp[3];
typedef GM INHERITED;
};
DEF_GM(return new YUVtoRGBEffect;)
//////////////////////////////////////////////////////////////////////////////
class YUVNV12toRGBEffect : public GM {
public:
YUVNV12toRGBEffect() {
this->setBGColor(0xFFFFFFFF);
}
protected:
SkString onShortName() override {
return SkString("yuv_nv12_to_rgb_effect");
}
SkISize onISize() override {
return SkISize::Make(48, 120);
}
void onOnceBeforeDraw() override {
SkImageInfo yinfo = SkImageInfo::MakeA8(YSIZE, YSIZE);
fBmp[0].allocPixels(yinfo);
SkImageInfo uvinfo = SkImageInfo::MakeN32Premul(USIZE, USIZE);
fBmp[1].allocPixels(uvinfo);
int color[] = {0, 85, 170};
const int limit[] = {255, 0, 255};
const int invl[] = {0, 255, 0};
const int inc[] = {1, -1, 1};
{
unsigned char* pixels = (unsigned char*)fBmp[0].getPixels();
const size_t nbBytes = fBmp[0].rowBytes() * fBmp[0].height();
for (size_t j = 0; j < nbBytes; ++j) {
pixels[j] = (unsigned char)color[0];
color[0] = (color[0] == limit[0]) ? invl[0] : color[0] + inc[0];
}
}
{
for (int y = 0; y < fBmp[1].height(); ++y) {
uint32_t* pixels = fBmp[1].getAddr32(0, y);
for (int j = 0; j < fBmp[1].width(); ++j) {
pixels[j] = SkColorSetARGB(0, color[1], color[2], 0);
color[1] = (color[1] == limit[1]) ? invl[1] : color[1] + inc[1];
color[2] = (color[2] == limit[2]) ? invl[2] : color[2] + inc[2];
}
}
}
}
void onDraw(SkCanvas* canvas) override {
GrRenderTargetContext* renderTargetContext =
canvas->internal_private_accessTopLayerRenderTargetContext();
if (!renderTargetContext) {
skiagm::GM::DrawGpuOnlyMessage(canvas);
return;
}
GrContext* context = canvas->getGrContext();
if (!context) {
return;
}
sk_sp<GrTexture> texture[3];
texture[0].reset(
GrRefCachedBitmapTexture(context, fBmp[0], GrSamplerParams::ClampBilerp()));
texture[1].reset(
GrRefCachedBitmapTexture(context, fBmp[1], GrSamplerParams::ClampBilerp()));
texture[2].reset(
GrRefCachedBitmapTexture(context, fBmp[1], GrSamplerParams::ClampBilerp()));
if (!texture[0] || !texture[1] || !texture[2]) {
return;
}
constexpr SkScalar kDrawPad = 10.f;
constexpr SkScalar kTestPad = 10.f;
constexpr SkScalar kColorSpaceOffset = 36.f;
SkISize sizes[3] = {{YSIZE, YSIZE}, {USIZE, USIZE}, {VSIZE, VSIZE}};
for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpace; ++space) {
SkRect renderRect =
SkRect::MakeWH(SkIntToScalar(fBmp[0].width()), SkIntToScalar(fBmp[0].height()));
renderRect.outset(kDrawPad, kDrawPad);
SkScalar y = kDrawPad + kTestPad + space * kColorSpaceOffset;
SkScalar x = kDrawPad + kTestPad;
GrPaint grPaint;
grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc));
sk_sp<GrFragmentProcessor> fp(
GrYUVEffect::MakeYUVToRGB(texture[0].get(), texture[1].get(), texture[2].get(),
sizes, static_cast<SkYUVColorSpace>(space), true));
if (fp) {
SkMatrix viewMatrix;
viewMatrix.setTranslate(x, y);
grPaint.addColorFragmentProcessor(fp);
std::unique_ptr<GrDrawOp> op(GrRectOpFactory::MakeNonAAFill(
GrColor_WHITE, viewMatrix, renderRect, nullptr, nullptr));
renderTargetContext->priv().testingOnly_addDrawOp(std::move(grPaint),
GrAAType::kNone, std::move(op));
}
}
}
private:
SkBitmap fBmp[2];
typedef GM INHERITED;
};
DEF_GM(return new YUVNV12toRGBEffect;)
}
#endif
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