#include "SkMatrixConvolutionImageFilter.h"
#include "SkBitmap.h"
#include "SkColorPriv.h"
-#include "SkFlattenableBuffers.h"
+#include "SkReadBuffer.h"
+#include "SkWriteBuffer.h"
#include "SkRect.h"
#include "SkUnPreMultiply.h"
#if SK_SUPPORT_GPU
-#include "gl/GrGLEffect.h"
-#include "effects/GrSingleTextureEffect.h"
-#include "GrTBackendEffectFactory.h"
-#include "GrTexture.h"
-#include "SkMatrix.h"
+#include "effects/GrMatrixConvolutionEffect.h"
#endif
-static bool tile_mode_is_valid(SkMatrixConvolutionImageFilter::TileMode tileMode) {
- switch (tileMode) {
- case SkMatrixConvolutionImageFilter::kClamp_TileMode:
- case SkMatrixConvolutionImageFilter::kRepeat_TileMode:
- case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode:
- return true;
- default:
- break;
- }
- return false;
-}
+// We need to be able to read at most SK_MaxS32 bytes, so divide that
+// by the size of a scalar to know how many scalars we can read.
+static const int32_t gMaxKernelSize = SK_MaxS32 / sizeof(SkScalar);
SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(
const SkISize& kernelSize,
const SkScalar* kernel,
SkScalar gain,
SkScalar bias,
- const SkIPoint& target,
+ const SkIPoint& kernelOffset,
TileMode tileMode,
bool convolveAlpha,
SkImageFilter* input,
- const CropRect* cropRect)
- : INHERITED(input, cropRect),
+ const CropRect* cropRect,
+ uint32_t uniqueID)
+ : INHERITED(1, &input, cropRect, uniqueID),
fKernelSize(kernelSize),
fGain(gain),
fBias(bias),
- fTarget(target),
+ fKernelOffset(kernelOffset),
fTileMode(tileMode),
fConvolveAlpha(convolveAlpha) {
- uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight;
+ size_t size = (size_t) sk_64_mul(fKernelSize.width(), fKernelSize.height());
fKernel = SkNEW_ARRAY(SkScalar, size);
memcpy(fKernel, kernel, size * sizeof(SkScalar));
SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1);
- SkASSERT(target.fX >= 0 && target.fX < kernelSize.fWidth);
- SkASSERT(target.fY >= 0 && target.fY < kernelSize.fHeight);
+ SkASSERT(kernelOffset.fX >= 0 && kernelOffset.fX < kernelSize.fWidth);
+ SkASSERT(kernelOffset.fY >= 0 && kernelOffset.fY < kernelSize.fHeight);
+}
+
+SkMatrixConvolutionImageFilter* SkMatrixConvolutionImageFilter::Create(
+ const SkISize& kernelSize,
+ const SkScalar* kernel,
+ SkScalar gain,
+ SkScalar bias,
+ const SkIPoint& kernelOffset,
+ TileMode tileMode,
+ bool convolveAlpha,
+ SkImageFilter* input,
+ const CropRect* cropRect,
+ uint32_t uniqueID) {
+ if (kernelSize.width() < 1 || kernelSize.height() < 1) {
+ return NULL;
+ }
+ if (gMaxKernelSize / kernelSize.fWidth < kernelSize.fHeight) {
+ return NULL;
+ }
+ if (!kernel) {
+ return NULL;
+ }
+ return SkNEW_ARGS(SkMatrixConvolutionImageFilter, (kernelSize, kernel, gain, bias,
+ kernelOffset, tileMode, convolveAlpha,
+ input, cropRect, uniqueID));
+}
+
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+static bool tile_mode_is_valid(SkMatrixConvolutionImageFilter::TileMode tileMode) {
+ switch (tileMode) {
+ case SkMatrixConvolutionImageFilter::kClamp_TileMode:
+ case SkMatrixConvolutionImageFilter::kRepeat_TileMode:
+ case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode:
+ return true;
+ default:
+ break;
+ }
+ return false;
}
-SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkFlattenableReadBuffer& buffer)
- : INHERITED(buffer) {
- // We need to be able to read at most SK_MaxS32 bytes, so divide that
- // by the size of a scalar to know how many scalars we can read.
- static const int32_t kMaxSize = SK_MaxS32 / sizeof(SkScalar);
+SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkReadBuffer& buffer)
+ : INHERITED(1, buffer) {
fKernelSize.fWidth = buffer.readInt();
fKernelSize.fHeight = buffer.readInt();
if ((fKernelSize.fWidth >= 1) && (fKernelSize.fHeight >= 1) &&
// Make sure size won't be larger than a signed int,
// which would still be extremely large for a kernel,
// but we don't impose a hard limit for kernel size
- (kMaxSize / fKernelSize.fWidth >= fKernelSize.fHeight)) {
+ (gMaxKernelSize / fKernelSize.fWidth >= fKernelSize.fHeight)) {
size_t size = fKernelSize.fWidth * fKernelSize.fHeight;
fKernel = SkNEW_ARRAY(SkScalar, size);
SkDEBUGCODE(bool success =) buffer.readScalarArray(fKernel, size);
}
fGain = buffer.readScalar();
fBias = buffer.readScalar();
- fTarget.fX = buffer.readInt();
- fTarget.fY = buffer.readInt();
+ fKernelOffset.fX = buffer.readInt();
+ fKernelOffset.fY = buffer.readInt();
fTileMode = (TileMode) buffer.readInt();
fConvolveAlpha = buffer.readBool();
buffer.validate((fKernel != 0) &&
SkScalarIsFinite(fGain) &&
SkScalarIsFinite(fBias) &&
- tile_mode_is_valid(fTileMode));
+ tile_mode_is_valid(fTileMode) &&
+ (fKernelOffset.fX >= 0) && (fKernelOffset.fX < fKernelSize.fWidth) &&
+ (fKernelOffset.fY >= 0) && (fKernelOffset.fY < fKernelSize.fHeight));
}
+#endif
+
+SkFlattenable* SkMatrixConvolutionImageFilter::CreateProc(SkReadBuffer& buffer) {
+ SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
+ SkISize kernelSize;
+ kernelSize.fWidth = buffer.readInt();
+ kernelSize.fHeight = buffer.readInt();
+ const int count = buffer.getArrayCount();
-void SkMatrixConvolutionImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const {
+ const int64_t kernelArea = sk_64_mul(kernelSize.width(), kernelSize.height());
+ if (!buffer.validate(kernelArea == count)) {
+ return NULL;
+ }
+ SkAutoSTArray<16, SkScalar> kernel(count);
+ if (!buffer.readScalarArray(kernel.get(), count)) {
+ return NULL;
+ }
+ SkScalar gain = buffer.readScalar();
+ SkScalar bias = buffer.readScalar();
+ SkIPoint kernelOffset;
+ kernelOffset.fX = buffer.readInt();
+ kernelOffset.fY = buffer.readInt();
+ TileMode tileMode = (TileMode)buffer.readInt();
+ bool convolveAlpha = buffer.readBool();
+ return Create(kernelSize, kernel.get(), gain, bias, kernelOffset, tileMode, convolveAlpha,
+ common.getInput(0), &common.cropRect(), common.uniqueID());
+}
+
+void SkMatrixConvolutionImageFilter::flatten(SkWriteBuffer& buffer) const {
this->INHERITED::flatten(buffer);
buffer.writeInt(fKernelSize.fWidth);
buffer.writeInt(fKernelSize.fHeight);
buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight);
buffer.writeScalar(fGain);
buffer.writeScalar(fBias);
- buffer.writeInt(fTarget.fX);
- buffer.writeInt(fTarget.fY);
+ buffer.writeInt(fKernelOffset.fX);
+ buffer.writeInt(fKernelOffset.fY);
buffer.writeInt((int) fTileMode);
buffer.writeBool(fConvolveAlpha);
}
template<class PixelFetcher, bool convolveAlpha>
void SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src,
SkBitmap* result,
- const SkIRect& rect,
- const SkIRect& bounds) {
+ const SkIRect& r,
+ const SkIRect& bounds) const {
+ SkIRect rect(r);
+ if (!rect.intersect(bounds)) {
+ return;
+ }
for (int y = rect.fTop; y < rect.fBottom; ++y) {
SkPMColor* dptr = result->getAddr32(rect.fLeft - bounds.fLeft, y - bounds.fTop);
for (int x = rect.fLeft; x < rect.fRight; ++x) {
for (int cy = 0; cy < fKernelSize.fHeight; cy++) {
for (int cx = 0; cx < fKernelSize.fWidth; cx++) {
SkPMColor s = PixelFetcher::fetch(src,
- x + cx - fTarget.fX,
- y + cy - fTarget.fY,
+ x + cx - fKernelOffset.fX,
+ y + cy - fKernelOffset.fY,
bounds);
SkScalar k = fKernel[cy * fKernelSize.fWidth + cx];
if (convolveAlpha) {
void SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src,
SkBitmap* result,
const SkIRect& rect,
- const SkIRect& bounds) {
+ const SkIRect& bounds) const {
if (fConvolveAlpha) {
filterPixels<PixelFetcher, true>(src, result, rect, bounds);
} else {
void SkMatrixConvolutionImageFilter::filterInteriorPixels(const SkBitmap& src,
SkBitmap* result,
const SkIRect& rect,
- const SkIRect& bounds) {
+ const SkIRect& bounds) const {
filterPixels<UncheckedPixelFetcher>(src, result, rect, bounds);
}
void SkMatrixConvolutionImageFilter::filterBorderPixels(const SkBitmap& src,
SkBitmap* result,
const SkIRect& rect,
- const SkIRect& bounds) {
+ const SkIRect& bounds) const {
switch (fTileMode) {
case kClamp_TileMode:
filterPixels<ClampPixelFetcher>(src, result, rect, bounds);
return SkBitmap();
}
SkBitmap result;
- result.setConfig(src.config(), src.width(), src.height());
- result.allocPixels();
- if (!result.getPixels()) {
+ if (!result.tryAllocPixels(src.info())) {
return SkBitmap();
}
for (int y = 0; y < src.height(); ++y) {
bool SkMatrixConvolutionImageFilter::onFilterImage(Proxy* proxy,
const SkBitmap& source,
- const SkMatrix& matrix,
+ const Context& ctx,
SkBitmap* result,
- SkIPoint* loc) {
+ SkIPoint* offset) const {
SkBitmap src = source;
- if (getInput(0) && !getInput(0)->filterImage(proxy, source, matrix, &src, loc)) {
+ SkIPoint srcOffset = SkIPoint::Make(0, 0);
+ if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctx, &src, &srcOffset)) {
return false;
}
- if (src.config() != SkBitmap::kARGB_8888_Config) {
+ if (src.colorType() != kN32_SkColorType) {
return false;
}
SkIRect bounds;
- src.getBounds(&bounds);
- if (!this->applyCropRect(&bounds, matrix)) {
+ if (!this->applyCropRect(ctx, proxy, src, &srcOffset, &bounds, &src)) {
return false;
}
return false;
}
- result->setConfig(src.config(), bounds.width(), bounds.height());
- result->allocPixels();
+ if (!result->tryAllocPixels(src.info().makeWH(bounds.width(), bounds.height()))) {
+ return false;
+ }
- SkIRect interior = SkIRect::MakeXYWH(bounds.left() + fTarget.fX,
- bounds.top() + fTarget.fY,
+ offset->fX = bounds.fLeft;
+ offset->fY = bounds.fTop;
+ bounds.offset(-srcOffset);
+ SkIRect interior = SkIRect::MakeXYWH(bounds.left() + fKernelOffset.fX,
+ bounds.top() + fKernelOffset.fY,
bounds.width() - fKernelSize.fWidth + 1,
bounds.height() - fKernelSize.fHeight + 1);
SkIRect top = SkIRect::MakeLTRB(bounds.left(), bounds.top(), bounds.right(), interior.top());
filterInteriorPixels(src, result, interior, bounds);
filterBorderPixels(src, result, right, bounds);
filterBorderPixels(src, result, bottom, bounds);
- loc->fX += bounds.fLeft;
- loc->fY += bounds.fTop;
return true;
}
-#if SK_SUPPORT_GPU
-
-///////////////////////////////////////////////////////////////////////////////
-
-class GrGLMatrixConvolutionEffect;
-
-class GrMatrixConvolutionEffect : public GrSingleTextureEffect {
-public:
- typedef SkMatrixConvolutionImageFilter::TileMode TileMode;
- static GrEffectRef* Create(GrTexture* texture,
- const SkIRect& bounds,
- const SkISize& kernelSize,
- const SkScalar* kernel,
- SkScalar gain,
- SkScalar bias,
- const SkIPoint& target,
- TileMode tileMode,
- bool convolveAlpha) {
- AutoEffectUnref effect(SkNEW_ARGS(GrMatrixConvolutionEffect, (texture,
- bounds,
- kernelSize,
- kernel,
- gain,
- bias,
- target,
- tileMode,
- convolveAlpha)));
- return CreateEffectRef(effect);
- }
- virtual ~GrMatrixConvolutionEffect();
-
- virtual void getConstantColorComponents(GrColor* color,
- uint32_t* validFlags) const SK_OVERRIDE {
- // TODO: Try to do better?
- *validFlags = 0;
+bool SkMatrixConvolutionImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
+ SkIRect* dst) const {
+ SkIRect bounds = src;
+ bounds.fRight += fKernelSize.width() - 1;
+ bounds.fBottom += fKernelSize.height() - 1;
+ bounds.offset(-fKernelOffset);
+ if (getInput(0) && !getInput(0)->filterBounds(bounds, ctm, &bounds)) {
+ return false;
}
-
- static const char* Name() { return "MatrixConvolution"; }
- const SkIRect& bounds() const { return fBounds; }
- const SkISize& kernelSize() const { return fKernelSize; }
- const float* target() const { return fTarget; }
- const float* kernel() const { return fKernel; }
- float gain() const { return fGain; }
- float bias() const { return fBias; }
- TileMode tileMode() const { return fTileMode; }
- bool convolveAlpha() const { return fConvolveAlpha; }
-
- typedef GrGLMatrixConvolutionEffect GLEffect;
-
- virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;
-
-private:
- GrMatrixConvolutionEffect(GrTexture*,
- const SkIRect& bounds,
- const SkISize& kernelSize,
- const SkScalar* kernel,
- SkScalar gain,
- SkScalar bias,
- const SkIPoint& target,
- TileMode tileMode,
- bool convolveAlpha);
-
- virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE;
-
- SkIRect fBounds;
- SkISize fKernelSize;
- float *fKernel;
- float fGain;
- float fBias;
- float fTarget[2];
- TileMode fTileMode;
- bool fConvolveAlpha;
-
- GR_DECLARE_EFFECT_TEST;
-
- typedef GrSingleTextureEffect INHERITED;
-};
-
-class GrGLMatrixConvolutionEffect : public GrGLEffect {
-public:
- GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory,
- const GrDrawEffect& effect);
- virtual void emitCode(GrGLShaderBuilder*,
- const GrDrawEffect&,
- EffectKey,
- const char* outputColor,
- const char* inputColor,
- const TransformedCoordsArray&,
- const TextureSamplerArray&) SK_OVERRIDE;
-
- static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&);
-
- virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE;
-
-private:
- typedef GrGLUniformManager::UniformHandle UniformHandle;
- typedef SkMatrixConvolutionImageFilter::TileMode TileMode;
- SkISize fKernelSize;
- TileMode fTileMode;
- bool fConvolveAlpha;
-
- UniformHandle fBoundsUni;
- UniformHandle fKernelUni;
- UniformHandle fImageIncrementUni;
- UniformHandle fTargetUni;
- UniformHandle fGainUni;
- UniformHandle fBiasUni;
-
- typedef GrGLEffect INHERITED;
-};
-
-GrGLMatrixConvolutionEffect::GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory,
- const GrDrawEffect& drawEffect)
- : INHERITED(factory) {
- const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>();
- fKernelSize = m.kernelSize();
- fTileMode = m.tileMode();
- fConvolveAlpha = m.convolveAlpha();
+ *dst = bounds;
+ return true;
}
-static void appendTextureLookup(GrGLShaderBuilder* builder,
- const GrGLShaderBuilder::TextureSampler& sampler,
- const char* coord,
- const char* bounds,
- SkMatrixConvolutionImageFilter::TileMode tileMode) {
- SkString clampedCoord;
+#if SK_SUPPORT_GPU
+
+static GrTextureDomain::Mode convert_tilemodes(
+ SkMatrixConvolutionImageFilter::TileMode tileMode) {
switch (tileMode) {
case SkMatrixConvolutionImageFilter::kClamp_TileMode:
- clampedCoord.printf("clamp(%s, %s.xy, %s.zw)", coord, bounds, bounds);
- coord = clampedCoord.c_str();
- break;
+ return GrTextureDomain::kClamp_Mode;
case SkMatrixConvolutionImageFilter::kRepeat_TileMode:
- clampedCoord.printf("mod(%s - %s.xy, %s.zw - %s.xy) + %s.xy", coord, bounds, bounds, bounds, bounds);
- coord = clampedCoord.c_str();
- break;
+ return GrTextureDomain::kRepeat_Mode;
case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode:
- builder->fsCodeAppendf("clamp(%s, %s.xy, %s.zw) != %s ? vec4(0, 0, 0, 0) : ", coord, bounds, bounds, coord);
- break;
- }
- builder->fsAppendTextureLookup(sampler, coord);
-}
-
-void GrGLMatrixConvolutionEffect::emitCode(GrGLShaderBuilder* builder,
- const GrDrawEffect&,
- EffectKey key,
- const char* outputColor,
- const char* inputColor,
- const TransformedCoordsArray& coords,
- const TextureSamplerArray& samplers) {
- sk_ignore_unused_variable(inputColor);
- SkString coords2D = builder->ensureFSCoords2D(coords, 0);
- fBoundsUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
- kVec4f_GrSLType, "Bounds");
- fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
- kVec2f_GrSLType, "ImageIncrement");
- fKernelUni = builder->addUniformArray(GrGLShaderBuilder::kFragment_Visibility,
- kFloat_GrSLType,
- "Kernel",
- fKernelSize.width() * fKernelSize.height());
- fTargetUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
- kVec2f_GrSLType, "Target");
- fGainUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
- kFloat_GrSLType, "Gain");
- fBiasUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
- kFloat_GrSLType, "Bias");
-
- const char* bounds = builder->getUniformCStr(fBoundsUni);
- const char* target = builder->getUniformCStr(fTargetUni);
- const char* imgInc = builder->getUniformCStr(fImageIncrementUni);
- const char* kernel = builder->getUniformCStr(fKernelUni);
- const char* gain = builder->getUniformCStr(fGainUni);
- const char* bias = builder->getUniformCStr(fBiasUni);
- int kWidth = fKernelSize.width();
- int kHeight = fKernelSize.height();
-
- builder->fsCodeAppend("\t\tvec4 sum = vec4(0, 0, 0, 0);\n");
- builder->fsCodeAppendf("\t\tvec2 coord = %s - %s * %s;\n", coords2D.c_str(), target, imgInc);
- builder->fsCodeAppendf("\t\tfor (int y = 0; y < %d; y++) {\n", kHeight);
- builder->fsCodeAppendf("\t\t\tfor (int x = 0; x < %d; x++) {\n", kWidth);
- builder->fsCodeAppendf("\t\t\t\tfloat k = %s[y * %d + x];\n", kernel, kWidth);
- builder->fsCodeAppendf("\t\t\t\tvec2 coord2 = coord + vec2(x, y) * %s;\n", imgInc);
- builder->fsCodeAppend("\t\t\t\tvec4 c = ");
- appendTextureLookup(builder, samplers[0], "coord2", bounds, fTileMode);
- builder->fsCodeAppend(";\n");
- if (!fConvolveAlpha) {
- builder->fsCodeAppend("\t\t\t\tc.rgb /= c.a;\n");
- }
- builder->fsCodeAppend("\t\t\t\tsum += c * k;\n");
- builder->fsCodeAppend("\t\t\t}\n");
- builder->fsCodeAppend("\t\t}\n");
- if (fConvolveAlpha) {
- builder->fsCodeAppendf("\t\t%s = sum * %s + %s;\n", outputColor, gain, bias);
- builder->fsCodeAppendf("\t\t%s.rgb = clamp(%s.rgb, 0.0, %s.a);\n",
- outputColor, outputColor, outputColor);
- } else {
- builder->fsCodeAppend("\t\tvec4 c = ");
- appendTextureLookup(builder, samplers[0], coords2D.c_str(), bounds, fTileMode);
- builder->fsCodeAppend(";\n");
- builder->fsCodeAppendf("\t\t%s.a = c.a;\n", outputColor);
- builder->fsCodeAppendf("\t\t%s.rgb = sum.rgb * %s + %s;\n", outputColor, gain, bias);
- builder->fsCodeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor);
- }
-}
-
-namespace {
-
-int encodeXY(int x, int y) {
- SkASSERT(x >= 1 && y >= 1 && x * y <= 32);
- if (y < x)
- return 0x40 | encodeXY(y, x);
- else
- return (0x40 >> x) | (y - x);
-}
-
-};
-
-GrGLEffect::EffectKey GrGLMatrixConvolutionEffect::GenKey(const GrDrawEffect& drawEffect,
- const GrGLCaps&) {
- const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>();
- EffectKey key = encodeXY(m.kernelSize().width(), m.kernelSize().height());
- key |= m.tileMode() << 7;
- key |= m.convolveAlpha() ? 1 << 9 : 0;
- return key;
-}
-
-void GrGLMatrixConvolutionEffect::setData(const GrGLUniformManager& uman,
- const GrDrawEffect& drawEffect) {
- const GrMatrixConvolutionEffect& conv = drawEffect.castEffect<GrMatrixConvolutionEffect>();
- GrTexture& texture = *conv.texture(0);
- // the code we generated was for a specific kernel size
- SkASSERT(conv.kernelSize() == fKernelSize);
- SkASSERT(conv.tileMode() == fTileMode);
- float imageIncrement[2];
- float ySign = texture.origin() == kTopLeft_GrSurfaceOrigin ? 1.0f : -1.0f;
- imageIncrement[0] = 1.0f / texture.width();
- imageIncrement[1] = ySign / texture.height();
- uman.set2fv(fImageIncrementUni, 0, 1, imageIncrement);
- uman.set2fv(fTargetUni, 0, 1, conv.target());
- uman.set1fv(fKernelUni, 0, fKernelSize.width() * fKernelSize.height(), conv.kernel());
- uman.set1f(fGainUni, conv.gain());
- uman.set1f(fBiasUni, conv.bias());
- const SkIRect& bounds = conv.bounds();
- float left = (float) bounds.left() / texture.width();
- float top = (float) bounds.top() / texture.height();
- float right = (float) bounds.right() / texture.width();
- float bottom = (float) bounds.bottom() / texture.height();
- if (texture.origin() == kBottomLeft_GrSurfaceOrigin) {
- uman.set4f(fBoundsUni, left, 1.0f - bottom, right, 1.0f - top);
- } else {
- uman.set4f(fBoundsUni, left, top, right, bottom);
+ return GrTextureDomain::kDecal_Mode;
+ default:
+ SkASSERT(false);
}
+ return GrTextureDomain::kIgnore_Mode;
}
-GrMatrixConvolutionEffect::GrMatrixConvolutionEffect(GrTexture* texture,
- const SkIRect& bounds,
- const SkISize& kernelSize,
- const SkScalar* kernel,
- SkScalar gain,
- SkScalar bias,
- const SkIPoint& target,
- TileMode tileMode,
- bool convolveAlpha)
- : INHERITED(texture, MakeDivByTextureWHMatrix(texture)),
- fBounds(bounds),
- fKernelSize(kernelSize),
- fGain(SkScalarToFloat(gain)),
- fBias(SkScalarToFloat(bias) / 255.0f),
- fTileMode(tileMode),
- fConvolveAlpha(convolveAlpha) {
- fKernel = new float[kernelSize.width() * kernelSize.height()];
- for (int i = 0; i < kernelSize.width() * kernelSize.height(); i++) {
- fKernel[i] = SkScalarToFloat(kernel[i]);
- }
- fTarget[0] = static_cast<float>(target.x());
- fTarget[1] = static_cast<float>(target.y());
- this->setWillNotUseInputColor();
-}
-
-GrMatrixConvolutionEffect::~GrMatrixConvolutionEffect() {
- delete[] fKernel;
-}
-
-const GrBackendEffectFactory& GrMatrixConvolutionEffect::getFactory() const {
- return GrTBackendEffectFactory<GrMatrixConvolutionEffect>::getInstance();
-}
-
-bool GrMatrixConvolutionEffect::onIsEqual(const GrEffect& sBase) const {
- const GrMatrixConvolutionEffect& s = CastEffect<GrMatrixConvolutionEffect>(sBase);
- return this->texture(0) == s.texture(0) &&
- fKernelSize == s.kernelSize() &&
- !memcmp(fKernel, s.kernel(),
- fKernelSize.width() * fKernelSize.height() * sizeof(float)) &&
- fGain == s.gain() &&
- fBias == s.bias() &&
- fTarget == s.target() &&
- fTileMode == s.tileMode() &&
- fConvolveAlpha == s.convolveAlpha();
-}
-
-GR_DEFINE_EFFECT_TEST(GrMatrixConvolutionEffect);
-
-// A little bit less than the minimum # uniforms required by DX9SM2 (32).
-// Allows for a 5x5 kernel (or 25x1, for that matter).
-#define MAX_KERNEL_SIZE 25
-
-GrEffectRef* GrMatrixConvolutionEffect::TestCreate(SkRandom* random,
- GrContext* context,
- const GrDrawTargetCaps&,
- GrTexture* textures[]) {
- int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx :
- GrEffectUnitTest::kAlphaTextureIdx;
- int width = random->nextRangeU(1, MAX_KERNEL_SIZE);
- int height = random->nextRangeU(1, MAX_KERNEL_SIZE / width);
- SkISize kernelSize = SkISize::Make(width, height);
- SkAutoTDeleteArray<SkScalar> kernel(new SkScalar[width * height]);
- for (int i = 0; i < width * height; i++) {
- kernel.get()[i] = random->nextSScalar1();
- }
- SkScalar gain = random->nextSScalar1();
- SkScalar bias = random->nextSScalar1();
- SkIPoint target = SkIPoint::Make(random->nextRangeU(0, kernelSize.width()),
- random->nextRangeU(0, kernelSize.height()));
- SkIRect bounds = SkIRect::MakeXYWH(random->nextRangeU(0, textures[texIdx]->width()),
- random->nextRangeU(0, textures[texIdx]->height()),
- random->nextRangeU(0, textures[texIdx]->width()),
- random->nextRangeU(0, textures[texIdx]->height()));
- TileMode tileMode = static_cast<TileMode>(random->nextRangeU(0, 2));
- bool convolveAlpha = random->nextBool();
- return GrMatrixConvolutionEffect::Create(textures[texIdx],
- bounds,
- kernelSize,
- kernel.get(),
- gain,
- bias,
- target,
- tileMode,
- convolveAlpha);
-}
-
-bool SkMatrixConvolutionImageFilter::asNewEffect(GrEffectRef** effect,
- GrTexture* texture,
- const SkMatrix&,
- const SkIRect& bounds
- ) const {
- if (!effect) {
+bool SkMatrixConvolutionImageFilter::asFragmentProcessor(GrFragmentProcessor** fp,
+ GrTexture* texture,
+ const SkMatrix&,
+ const SkIRect& bounds) const {
+ if (!fp) {
return fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE;
}
SkASSERT(fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE);
- *effect = GrMatrixConvolutionEffect::Create(texture,
- bounds,
- fKernelSize,
- fKernel,
- fGain,
- fBias,
- fTarget,
- fTileMode,
- fConvolveAlpha);
+ *fp = GrMatrixConvolutionEffect::Create(texture,
+ bounds,
+ fKernelSize,
+ fKernel,
+ fGain,
+ fBias,
+ fKernelOffset,
+ convert_tilemodes(fTileMode),
+ fConvolveAlpha);
return true;
}
-
-///////////////////////////////////////////////////////////////////////////////
-
#endif
projects / platform / framework / web / crosswalk.git / blobdiff