1cad749b09
I don't think ETC1 currently gets tested any other way. Change-Id: I125d6cb52603c87fc91b47d02743dc4efe0409b7 Reviewed-on: https://skia-review.googlesource.com/8316 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Robert Phillips <robertphillips@google.com>
124 lines
4.0 KiB
C++
124 lines
4.0 KiB
C++
/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkRandom.h"
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#if SK_SUPPORT_GPU
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#include "etc1.h"
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#include "GrContext.h"
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#include "GrRenderTargetContext.h"
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#include "GrRenderTargetContextPriv.h"
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#include "GrTextureProxy.h"
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#include "effects/GrSimpleTextureEffect.h"
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#include "ops/GrRectOpFactory.h"
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// Basic test of Ganesh's ETC1 support
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class ETC1GM : public skiagm::GM {
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public:
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ETC1GM() {
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this->setBGColor(sk_tool_utils::color_to_565(0xFFCCCCCC));
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}
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protected:
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SkString onShortName() override {
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return SkString("etc1");
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}
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SkISize onISize() override {
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return SkISize::Make(kTexWidth + 2*kPad, kTexHeight + 2*kPad);
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}
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// TODO: we should be creating an ETC1 SkData blob here and going through SkImageCacherator.
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// That will require an ETC1 Codec though - so for later.
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void onOnceBeforeDraw() override {
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SkBitmap bm;
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SkImageInfo ii = SkImageInfo::Make(kTexWidth, kTexHeight, kRGB_565_SkColorType,
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kOpaque_SkAlphaType);
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bm.allocPixels(ii);
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bm.erase(SK_ColorBLUE, SkIRect::MakeWH(kTexWidth, kTexHeight));
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for (int y = 0; y < kTexHeight; y += 4) {
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for (int x = 0; x < kTexWidth; x += 4) {
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bm.erase((x+y) % 8 ? SK_ColorRED : SK_ColorGREEN, SkIRect::MakeXYWH(x, y, 4, 4));
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}
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}
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int size = etc1_get_encoded_data_size(bm.width(), bm.height());
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fETC1Data.reset(size);
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unsigned char* pixels = (unsigned char*) fETC1Data.get();
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if (etc1_encode_image((unsigned char*) bm.getAddr16(0, 0),
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bm.width(), bm.height(), 2, bm.rowBytes(), pixels)) {
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fETC1Data.reset();
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}
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}
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void onDraw(SkCanvas* canvas) override {
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GrRenderTargetContext* renderTargetContext =
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canvas->internal_private_accessTopLayerRenderTargetContext();
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if (!renderTargetContext) {
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skiagm::GM::DrawGpuOnlyMessage(canvas);
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return;
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}
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GrContext* context = canvas->getGrContext();
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if (!context) {
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return;
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}
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GrSurfaceDesc desc;
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desc.fConfig = kETC1_GrPixelConfig;
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desc.fWidth = kTexWidth;
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desc.fHeight = kTexHeight;
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sk_sp<GrSurfaceProxy> proxy = GrTextureProxy::MakeDeferred(*context->caps(),
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context->textureProvider(),
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desc, SkBudgeted::kYes,
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fETC1Data.get(), 0);
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if (!proxy || !proxy->asTextureProxy()) {
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return;
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}
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const SkMatrix trans = SkMatrix::MakeTrans(-kPad, -kPad);
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sk_sp<GrFragmentProcessor> fp = GrSimpleTextureEffect::Make(
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context,
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sk_ref_sp(proxy->asTextureProxy()),
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nullptr, trans);
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GrPaint grPaint;
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grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc));
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grPaint.addColorFragmentProcessor(std::move(fp));
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SkRect rect = SkRect::MakeXYWH(kPad, kPad, kTexWidth, kTexHeight);
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std::unique_ptr<GrDrawOp> op(GrRectOpFactory::MakeNonAAFill(
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GrColor_WHITE, SkMatrix::I(), rect, nullptr, nullptr));
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renderTargetContext->priv().testingOnly_addDrawOp(
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std::move(grPaint), GrAAType::kNone, std::move(op));
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}
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private:
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static const int kPad = 8;
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static const int kTexWidth = 16;
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static const int kTexHeight = 20;
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SkAutoTMalloc<char> fETC1Data;
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new ETC1GM;)
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#endif
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