Revert of third try at landing improved blur rect; this time with more correctness (https://codereview.chromium.org/331443003/)
Reason for revert: Failing layout test: https://storage.googleapis.com/chromium-layout-test-archives/WebKit_Linux/32762/layout-test-results/virtual/gpu/fast/canvas/canvas-draw-canvas-on-canvas-shadow-pretty-diff.html Original issue's description: > third try at landing improved blur rect; this time with more correctness > > BUG=skia:2095 > R=bsalomon@google.com > TBR=bsalomon > > Committed: https://skia.googlesource.com/skia/+/72abfc2b4e7caead660f6b6a05e60d05eaf1a66f R=bsalomon@google.com, reed@google.com, humper@google.com TBR=bsalomon@google.com, humper@google.com, reed@google.com NOTREECHECKS=true NOTRY=true BUG=skia:2095 Author: scroggo@google.com Review URL: https://codereview.chromium.org/333763002
This commit is contained in:
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@ -38,16 +38,6 @@
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# I will likely just delete the GM.
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# I will likely just delete the GM.
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canvas-layer-state
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canvas-layer-state
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# humper:
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# Needs rebaselining after faster GPU blur patch lands
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megalooper_0x0
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megalooper_1x4
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megalooper_4x1
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bleed
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blurquickreject
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blurrects
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bigblurs
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# These are part of picture-version 27 -- removal of SkUnitMapp
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# These are part of picture-version 27 -- removal of SkUnitMapp
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# just need to be rebaselined
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# just need to be rebaselined
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scaled_tilemode_bitmap
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scaled_tilemode_bitmap
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@ -557,38 +557,40 @@ public:
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*/
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*/
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static GrEffectRef* Create(GrContext *context, const SkRect& rect,
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static GrEffectRef* Create(GrContext *context, const SkRect& rect,
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float sigma) {
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float sigma) {
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GrTexture *blurProfileTexture = NULL;
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GrTexture *horizontalScanline = NULL, *verticalScanline = NULL;
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int doubleProfileSize = SkScalarCeilToInt(12*sigma);
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bool createdScanlines = CreateScanlineTextures(context, sigma,
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SkScalarCeilToInt(rect.width()),
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if (doubleProfileSize >= rect.width() || doubleProfileSize >= rect.height()) {
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SkScalarCeilToInt(rect.height()),
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// if the blur sigma is too large so the gaussian overlaps the whole
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&horizontalScanline, &verticalScanline);
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// rect in either direction, fall back to CPU path for now.
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SkAutoTUnref<GrTexture> hunref(horizontalScanline), vunref(verticalScanline);
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if (!createdScanlines) {
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return NULL;
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return NULL;
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}
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}
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AutoEffectUnref effect(SkNEW_ARGS(GrRectBlurEffect, (rect, sigma,
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bool createdBlurProfileTexture = CreateBlurProfileTexture(context, sigma, &blurProfileTexture);
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horizontalScanline, verticalScanline)));
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SkAutoTUnref<GrTexture> hunref(blurProfileTexture);
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if (!createdBlurProfileTexture) {
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return NULL;
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}
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AutoEffectUnref effect(SkNEW_ARGS(GrRectBlurEffect, (rect, sigma, blurProfileTexture)));
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return CreateEffectRef(effect);
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return CreateEffectRef(effect);
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}
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}
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const SkRect& getRect() const { return fRect; }
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unsigned int getWidth() const { return fWidth; }
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unsigned int getHeight() const { return fHeight; }
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float getSigma() const { return fSigma; }
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float getSigma() const { return fSigma; }
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const GrCoordTransform& getTransform() const { return fTransform; }
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private:
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private:
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GrRectBlurEffect(const SkRect& rect, float sigma, GrTexture *blur_profile);
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GrRectBlurEffect(const SkRect& rect, float sigma,
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GrTexture *horizontal_scanline, GrTexture *vertical_scanline);
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virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE;
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virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE;
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static bool CreateBlurProfileTexture(GrContext *context, float sigma,
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static bool CreateScanlineTextures(GrContext *context, float sigma,
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GrTexture **blurProfileTexture);
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unsigned int width, unsigned int height,
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GrTexture **horizontalScanline,
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GrTexture **verticalScanline);
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SkRect fRect;
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unsigned int fWidth, fHeight;
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float fSigma;
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float fSigma;
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GrTextureAccess fBlurProfileAccess;
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GrTextureAccess fHorizontalScanlineAccess;
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GrTextureAccess fVerticalScanlineAccess;
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GrCoordTransform fTransform;
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GR_DECLARE_EFFECT_TEST;
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GR_DECLARE_EFFECT_TEST;
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@ -612,31 +614,16 @@ public:
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private:
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private:
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typedef GrGLUniformManager::UniformHandle UniformHandle;
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typedef GrGLUniformManager::UniformHandle UniformHandle;
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UniformHandle fProxyRectUniform;
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UniformHandle fWidthUni;
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UniformHandle fProfileSizeUniform;
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UniformHandle fHeightUni;
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typedef GrGLEffect INHERITED;
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typedef GrGLEffect INHERITED;
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};
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};
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GrGLRectBlurEffect::GrGLRectBlurEffect(const GrBackendEffectFactory& factory, const GrDrawEffect&)
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GrGLRectBlurEffect::GrGLRectBlurEffect(const GrBackendEffectFactory& factory, const GrDrawEffect&)
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: INHERITED(factory) {
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: INHERITED(factory) {
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}
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}
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void OutputRectBlurProfileLookup(GrGLShaderBuilder* builder,
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const GrGLShaderBuilder::TextureSampler& sampler,
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const char *output,
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const char *profileSize, const char *loc,
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const char *blurred_width,
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const char *sharp_width) {
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builder->fsCodeAppendf("\t\tfloat coord = (0.5 * (abs(2.0*%s - %s) - %s))/%s;\n",
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loc, blurred_width, sharp_width, profileSize);
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builder->fsCodeAppendf("\t\t%s = ", output);
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builder->fsAppendTextureLookup(sampler, "vec2(coord,0.5)");
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builder->fsCodeAppend(".a;\n");
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}
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void GrGLRectBlurEffect::emitCode(GrGLShaderBuilder* builder,
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void GrGLRectBlurEffect::emitCode(GrGLShaderBuilder* builder,
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const GrDrawEffect&,
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const GrDrawEffect&,
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EffectKey key,
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EffectKey key,
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@ -645,19 +632,7 @@ void GrGLRectBlurEffect::emitCode(GrGLShaderBuilder* builder,
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const TransformedCoordsArray& coords,
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const TransformedCoordsArray& coords,
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const TextureSamplerArray& samplers) {
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const TextureSamplerArray& samplers) {
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const char *rectName;
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SkString texture_coords = builder->ensureFSCoords2D(coords, 0);
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const char *profileSizeName;
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fProxyRectUniform = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
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kVec4f_GrSLType,
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"proxyRect",
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&rectName);
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fProfileSizeUniform = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
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kFloat_GrSLType,
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"profileSize",
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&profileSizeName);
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const char *fragmentPos = builder->fragmentPosition();
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if (inputColor) {
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if (inputColor) {
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builder->fsCodeAppendf("\tvec4 src=%s;\n", inputColor);
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builder->fsCodeAppendf("\tvec4 src=%s;\n", inputColor);
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@ -665,46 +640,31 @@ void GrGLRectBlurEffect::emitCode(GrGLShaderBuilder* builder,
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builder->fsCodeAppendf("\tvec4 src=vec4(1)\n;");
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builder->fsCodeAppendf("\tvec4 src=vec4(1)\n;");
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}
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}
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builder->fsCodeAppendf("\tvec2 translatedPos = %s.xy - %s.xy;\n", fragmentPos, rectName );
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builder->fsCodeAppendf("\tvec4 horiz = ");
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builder->fsCodeAppendf("\tfloat width = %s.z - %s.x;\n", rectName, rectName);
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builder->fsAppendTextureLookup( samplers[0], texture_coords.c_str() );
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builder->fsCodeAppendf("\tfloat height = %s.w - %s.y;\n", rectName, rectName);
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builder->fsCodeAppendf(";\n");
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builder->fsCodeAppendf("\tvec4 vert = ");
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builder->fsAppendTextureLookup( samplers[1], texture_coords.c_str() );
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builder->fsCodeAppendf(";\n");
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builder->fsCodeAppendf("\tvec2 smallDims = vec2(width - %s, height-%s);\n", profileSizeName, profileSizeName);
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builder->fsCodeAppendf("\tfloat final = (horiz*vert).r;\n");
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builder->fsCodeAppendf("\tfloat center = 2.0 * floor(%s/2.0 + .25) - 1.0;\n", profileSizeName);
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builder->fsCodeAppendf("\t%s = final*src;\n", outputColor);
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builder->fsCodeAppendf("\tvec2 wh = smallDims - vec2(center,center);\n");
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builder->fsCodeAppendf("\tfloat horiz_lookup;\n");
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builder->fsCodeAppendf("\tif (%s <= smallDims.x) {\n", profileSizeName);
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OutputRectBlurProfileLookup(builder, samplers[0], "horiz_lookup", profileSizeName, "translatedPos.x", "width", "wh.x");
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builder->fsCodeAppendf("\t}\n");
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builder->fsCodeAppendf("\tfloat vert_lookup;\n");
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builder->fsCodeAppendf("\tif (%s <= smallDims.y) {\n", profileSizeName);
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OutputRectBlurProfileLookup(builder, samplers[0], "vert_lookup", profileSizeName, "translatedPos.y", "height", "wh.y");
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builder->fsCodeAppendf("\t}\n");
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builder->fsCodeAppendf("\tfloat final = horiz_lookup * vert_lookup;\n");
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builder->fsCodeAppendf("\t%s = src * vec4(final);\n", outputColor );
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}
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}
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void GrGLRectBlurEffect::setData(const GrGLUniformManager& uman,
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void GrGLRectBlurEffect::setData(const GrGLUniformManager& uman,
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const GrDrawEffect& drawEffect) {
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const GrDrawEffect& drawEffect) {
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const GrRectBlurEffect& rbe = drawEffect.castEffect<GrRectBlurEffect>();
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SkRect rect = rbe.getRect();
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uman.set4f(fProxyRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.fBottom);
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uman.set1f(fProfileSizeUniform, SkScalarCeilToScalar(6*rbe.getSigma()));
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}
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}
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bool GrRectBlurEffect::CreateBlurProfileTexture(GrContext *context, float sigma,
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bool GrRectBlurEffect::CreateScanlineTextures(GrContext *context, float sigma,
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GrTexture **blurProfileTexture) {
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unsigned int width, unsigned int height,
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GrTexture **horizontalScanline,
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GrTexture **verticalScanline) {
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GrTextureParams params;
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GrTextureParams params;
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GrTextureDesc texDesc;
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GrTextureDesc texDesc;
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unsigned int profile_size = SkScalarCeilToInt(6*sigma);
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unsigned int profile_size = SkScalarFloorToInt(6*sigma);
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texDesc.fWidth = profile_size;
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texDesc.fWidth = width;
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texDesc.fHeight = 1;
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texDesc.fHeight = 1;
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texDesc.fConfig = kAlpha_8_GrPixelConfig;
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texDesc.fConfig = kAlpha_8_GrPixelConfig;
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@ -712,38 +672,73 @@ bool GrRectBlurEffect::CreateBlurProfileTexture(GrContext *context, float sigma,
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GrCacheID::Key key;
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GrCacheID::Key key;
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memset(&key, 0, sizeof(key));
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memset(&key, 0, sizeof(key));
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key.fData32[0] = profile_size;
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key.fData32[0] = profile_size;
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key.fData32[1] = 1;
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key.fData32[1] = width;
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GrCacheID blurProfileKey(gBlurProfileDomain, key);
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key.fData32[2] = 1;
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GrCacheID horizontalCacheID(gBlurProfileDomain, key);
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uint8_t *profile = NULL;
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uint8_t *profile = NULL;
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SkAutoTDeleteArray<uint8_t> ada(NULL);
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SkAutoTDeleteArray<uint8_t> ada(NULL);
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*blurProfileTexture = context->findAndRefTexture(texDesc, blurProfileKey, ¶ms);
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*horizontalScanline = context->findAndRefTexture(texDesc, horizontalCacheID, ¶ms);
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if (NULL == *blurProfileTexture) {
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if (NULL == *horizontalScanline) {
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SkBlurMask::ComputeBlurProfile(sigma, &profile);
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SkBlurMask::ComputeBlurProfile(sigma, &profile);
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ada.reset(profile);
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ada.reset(profile);
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*blurProfileTexture = context->createTexture(¶ms, texDesc, blurProfileKey,
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SkAutoTMalloc<uint8_t> horizontalPixels(width);
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profile, 0);
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SkBlurMask::ComputeBlurredScanline(horizontalPixels, profile, width, sigma);
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if (NULL == *blurProfileTexture) {
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*horizontalScanline = context->createTexture(¶ms, texDesc, horizontalCacheID,
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horizontalPixels, 0);
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if (NULL == *horizontalScanline) {
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return false;
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return false;
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}
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}
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}
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}
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texDesc.fWidth = 1;
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texDesc.fHeight = height;
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key.fData32[1] = 1;
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key.fData32[2] = height;
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GrCacheID verticalCacheID(gBlurProfileDomain, key);
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*verticalScanline = context->findAndRefTexture(texDesc, verticalCacheID, ¶ms);
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if (NULL == *verticalScanline) {
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if (NULL == profile) {
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SkBlurMask::ComputeBlurProfile(sigma, &profile);
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ada.reset(profile);
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}
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SkAutoTMalloc<uint8_t> verticalPixels(height);
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SkBlurMask::ComputeBlurredScanline(verticalPixels, profile, height, sigma);
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*verticalScanline = context->createTexture(¶ms, texDesc, verticalCacheID,
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verticalPixels, 0);
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if (NULL == *verticalScanline) {
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SkSafeSetNull(*horizontalScanline);
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return false;
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}
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}
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return true;
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return true;
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}
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}
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GrRectBlurEffect::GrRectBlurEffect(const SkRect& rect, float sigma,
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GrRectBlurEffect::GrRectBlurEffect(const SkRect& rect, float sigma,
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GrTexture *blur_profile)
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GrTexture *horizontal_scanline, GrTexture *vertical_scanline)
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: INHERITED(),
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: INHERITED(),
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fRect(rect),
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fWidth(horizontal_scanline->width()),
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fHeight(vertical_scanline->width()),
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fSigma(sigma),
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fSigma(sigma),
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fBlurProfileAccess(blur_profile) {
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fHorizontalScanlineAccess(horizontal_scanline),
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this->addTextureAccess(&fBlurProfileAccess);
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fVerticalScanlineAccess(vertical_scanline) {
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this->setWillReadFragmentPosition();
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SkMatrix mat;
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mat.setRectToRect(rect, SkRect::MakeWH(1,1), SkMatrix::kFill_ScaleToFit);
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fTransform.reset(kLocal_GrCoordSet, mat);
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this->addTextureAccess(&fHorizontalScanlineAccess);
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this->addTextureAccess(&fVerticalScanlineAccess);
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this->addCoordTransform(&fTransform);
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}
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}
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GrRectBlurEffect::~GrRectBlurEffect() {
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GrRectBlurEffect::~GrRectBlurEffect() {
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@ -755,7 +750,10 @@ const GrBackendEffectFactory& GrRectBlurEffect::getFactory() const {
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bool GrRectBlurEffect::onIsEqual(const GrEffect& sBase) const {
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bool GrRectBlurEffect::onIsEqual(const GrEffect& sBase) const {
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const GrRectBlurEffect& s = CastEffect<GrRectBlurEffect>(sBase);
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const GrRectBlurEffect& s = CastEffect<GrRectBlurEffect>(sBase);
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return this->getSigma() == s.getSigma() && this->getRect() == s.getRect();
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return this->getWidth() == s.getWidth() &&
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this->getHeight() == s.getHeight() &&
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this->getSigma() == s.getSigma() &&
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this->getTransform() == s.getTransform();
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}
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}
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void GrRectBlurEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
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void GrRectBlurEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
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@ -795,9 +793,7 @@ bool SkBlurMaskFilterImpl::directFilterMaskGPU(GrContext* context,
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SkMatrix ctm = context->getMatrix();
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SkMatrix ctm = context->getMatrix();
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SkScalar xformedSigma = this->computeXformedSigma(ctm);
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SkScalar xformedSigma = this->computeXformedSigma(ctm);
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rect.outset(3*xformedSigma, 3*xformedSigma);
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int pad=SkScalarCeilToInt(6*xformedSigma)/2;
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rect.outset(SkIntToScalar(pad), SkIntToScalar(pad));
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SkAutoTUnref<GrEffectRef> effect(GrRectBlurEffect::Create(
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SkAutoTUnref<GrEffectRef> effect(GrRectBlurEffect::Create(
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context, rect, xformedSigma));
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context, rect, xformedSigma));
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@ -810,6 +806,7 @@ bool SkBlurMaskFilterImpl::directFilterMaskGPU(GrContext* context,
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return false;
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return false;
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}
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}
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grp->addCoverageEffect(effect);
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grp->addCoverageEffect(effect);
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context->drawRect(*grp, rect);
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context->drawRect(*grp, rect);
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@ -216,7 +216,7 @@ bool GrGLShaderBuilder::genProgram(const GrEffectStage* colorStages[],
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if (GrGLProgramDesc::kSecondaryCoverageISA_CoverageOutput == header.fCoverageOutput) {
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if (GrGLProgramDesc::kSecondaryCoverageISA_CoverageOutput == header.fCoverageOutput) {
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// Get (1-A) into coeff
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// Get (1-A) into coeff
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coeff = GrGLSLExpr4::VectorCast(GrGLSLExpr1(1) - inputColor.a());
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coeff = GrGLSLExpr4::VectorCast(GrGLSLExpr1(1) - inputColor.a());
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} else if (GrGLProgramDesc::kSecondaryCoverageISC_CoverageOutput ==
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} else if (GrGLProgramDesc::kSecondaryCoverageISC_CoverageOutput ==
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header.fCoverageOutput){
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header.fCoverageOutput){
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// Get (1-RGBA) into coeff
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// Get (1-RGBA) into coeff
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coeff = GrGLSLExpr4(1) - inputColor;
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coeff = GrGLSLExpr4(1) - inputColor;
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@ -273,8 +273,6 @@ static void cpu_blur_path(const SkPath& path, SkScalar gaussianSigma,
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}
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}
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#if SK_SUPPORT_GPU
|
#if SK_SUPPORT_GPU
|
||||||
#if 0
|
|
||||||
// temporary disable; see below for explanation
|
|
||||||
static bool gpu_blur_path(GrContextFactory* factory, const SkPath& path,
|
static bool gpu_blur_path(GrContextFactory* factory, const SkPath& path,
|
||||||
SkScalar gaussianSigma,
|
SkScalar gaussianSigma,
|
||||||
int* result, int resultCount) {
|
int* result, int resultCount) {
|
||||||
@ -300,7 +298,6 @@ static bool gpu_blur_path(GrContextFactory* factory, const SkPath& path,
|
|||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
#endif
|
|
||||||
|
|
||||||
#if WRITE_CSV
|
#if WRITE_CSV
|
||||||
static void write_as_csv(const char* label, SkScalar scale, int* data, int count) {
|
static void write_as_csv(const char* label, SkScalar scale, int* data, int count) {
|
||||||
@ -346,6 +343,9 @@ static void test_sigma_range(skiatest::Reporter* reporter, GrContextFactory* fac
|
|||||||
|
|
||||||
int rectSpecialCaseResult[kSize];
|
int rectSpecialCaseResult[kSize];
|
||||||
int generalCaseResult[kSize];
|
int generalCaseResult[kSize];
|
||||||
|
#if SK_SUPPORT_GPU
|
||||||
|
int gpuResult[kSize];
|
||||||
|
#endif
|
||||||
int groundTruthResult[kSize];
|
int groundTruthResult[kSize];
|
||||||
int bruteForce1DResult[kSize];
|
int bruteForce1DResult[kSize];
|
||||||
|
|
||||||
@ -355,23 +355,19 @@ static void test_sigma_range(skiatest::Reporter* reporter, GrContextFactory* fac
|
|||||||
|
|
||||||
cpu_blur_path(rectPath, sigma, rectSpecialCaseResult, kSize);
|
cpu_blur_path(rectPath, sigma, rectSpecialCaseResult, kSize);
|
||||||
cpu_blur_path(polyPath, sigma, generalCaseResult, kSize);
|
cpu_blur_path(polyPath, sigma, generalCaseResult, kSize);
|
||||||
|
#if SK_SUPPORT_GPU
|
||||||
|
bool haveGPUResult = gpu_blur_path(factory, rectPath, sigma, gpuResult, kSize);
|
||||||
|
#endif
|
||||||
ground_truth_2d(100, 100, sigma, groundTruthResult, kSize);
|
ground_truth_2d(100, 100, sigma, groundTruthResult, kSize);
|
||||||
brute_force_1d(-50.0f, 50.0f, sigma, bruteForce1DResult, kSize);
|
brute_force_1d(-50.0f, 50.0f, sigma, bruteForce1DResult, kSize);
|
||||||
|
|
||||||
REPORTER_ASSERT(reporter, match(rectSpecialCaseResult, bruteForce1DResult, kSize, 5));
|
REPORTER_ASSERT(reporter, match(rectSpecialCaseResult, bruteForce1DResult, kSize, 5));
|
||||||
REPORTER_ASSERT(reporter, match(generalCaseResult, bruteForce1DResult, kSize, 15));
|
REPORTER_ASSERT(reporter, match(generalCaseResult, bruteForce1DResult, kSize, 15));
|
||||||
#if SK_SUPPORT_GPU
|
#if SK_SUPPORT_GPU
|
||||||
#if 0
|
|
||||||
int gpuResult[kSize];
|
|
||||||
bool haveGPUResult = gpu_blur_path(factory, rectPath, sigma, gpuResult, kSize);
|
|
||||||
// Disabling this test for now -- I don't think it's a legit comparison.
|
|
||||||
// Will continue to investigate this.
|
|
||||||
if (haveGPUResult) {
|
if (haveGPUResult) {
|
||||||
// 1 works everywhere but: Ubuntu13 & Nexus4
|
// 1 works everywhere but: Ubuntu13 & Nexus4
|
||||||
REPORTER_ASSERT(reporter, match(gpuResult, bruteForce1DResult, kSize, 10));
|
REPORTER_ASSERT(reporter, match(gpuResult, bruteForce1DResult, kSize, 10));
|
||||||
}
|
}
|
||||||
#endif
|
|
||||||
#endif
|
#endif
|
||||||
REPORTER_ASSERT(reporter, match(groundTruthResult, bruteForce1DResult, kSize, 1));
|
REPORTER_ASSERT(reporter, match(groundTruthResult, bruteForce1DResult, kSize, 1));
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user