tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "GrConvolutionEffect.h" |
bsalomon@google.com | d698f77 | 2012-10-25 13:22:00 +0000 | [diff] [blame] | 9 | #include "gl/GrGLEffect.h" |
bsalomon | 848faf0 | 2014-07-11 10:01:02 -0700 | [diff] [blame] | 10 | #include "gl/GrGLShaderBuilder.h" |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 11 | #include "gl/GrGLSL.h" |
| 12 | #include "gl/GrGLTexture.h" |
bsalomon@google.com | 2eaaefd | 2012-10-29 19:51:22 +0000 | [diff] [blame] | 13 | #include "GrTBackendEffectFactory.h" |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 14 | |
bsalomon@google.com | dbbc4e2 | 2012-07-25 17:48:39 +0000 | [diff] [blame] | 15 | // For brevity |
| 16 | typedef GrGLUniformManager::UniformHandle UniformHandle; |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 17 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 18 | class GrGLConvolutionEffect : public GrGLEffect { |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 19 | public: |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 20 | GrGLConvolutionEffect(const GrBackendEffectFactory&, const GrDrawEffect&); |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 21 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 22 | virtual void emitCode(GrGLShaderBuilder*, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 23 | const GrDrawEffect&, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 24 | const GrEffectKey&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 25 | const char* outputColor, |
| 26 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 27 | const TransformedCoordsArray&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 28 | const TextureSamplerArray&) SK_OVERRIDE; |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 29 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 30 | virtual void setData(const GrGLUniformManager& uman, const GrDrawEffect&) SK_OVERRIDE; |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 31 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 32 | static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder*); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 33 | |
| 34 | private: |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 35 | int width() const { return Gr1DKernelEffect::WidthFromRadius(fRadius); } |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 36 | bool useBounds() const { return fUseBounds; } |
| 37 | Gr1DKernelEffect::Direction direction() const { return fDirection; } |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 38 | |
bsalomon@google.com | b4a55b7 | 2012-11-02 20:45:37 +0000 | [diff] [blame] | 39 | int fRadius; |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 40 | bool fUseBounds; |
| 41 | Gr1DKernelEffect::Direction fDirection; |
bsalomon@google.com | b4a55b7 | 2012-11-02 20:45:37 +0000 | [diff] [blame] | 42 | UniformHandle fKernelUni; |
| 43 | UniformHandle fImageIncrementUni; |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 44 | UniformHandle fBoundsUni; |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 45 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 46 | typedef GrGLEffect INHERITED; |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 47 | }; |
| 48 | |
bsalomon@google.com | 396e61f | 2012-10-25 19:00:29 +0000 | [diff] [blame] | 49 | GrGLConvolutionEffect::GrGLConvolutionEffect(const GrBackendEffectFactory& factory, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 50 | const GrDrawEffect& drawEffect) |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 51 | : INHERITED(factory) { |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 52 | const GrConvolutionEffect& c = drawEffect.castEffect<GrConvolutionEffect>(); |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 53 | fRadius = c.radius(); |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 54 | fUseBounds = c.useBounds(); |
| 55 | fDirection = c.direction(); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 56 | } |
| 57 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 58 | void GrGLConvolutionEffect::emitCode(GrGLShaderBuilder* builder, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 59 | const GrDrawEffect&, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 60 | const GrEffectKey& key, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 61 | const char* outputColor, |
| 62 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 63 | const TransformedCoordsArray& coords, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 64 | const TextureSamplerArray& samplers) { |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 65 | SkString coords2D = builder->ensureFSCoords2D(coords, 0); |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 66 | fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, |
bsalomon@google.com | 777c3aa | 2012-07-25 20:58:20 +0000 | [diff] [blame] | 67 | kVec2f_GrSLType, "ImageIncrement"); |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 68 | if (this->useBounds()) { |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 69 | fBoundsUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 70 | kVec2f_GrSLType, "Bounds"); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 71 | } |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 72 | fKernelUni = builder->addUniformArray(GrGLShaderBuilder::kFragment_Visibility, |
bsalomon@google.com | 777c3aa | 2012-07-25 20:58:20 +0000 | [diff] [blame] | 73 | kFloat_GrSLType, "Kernel", this->width()); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 74 | |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 75 | builder->fsCodeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", outputColor); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 76 | |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 77 | int width = this->width(); |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 78 | const GrGLShaderVar& kernel = builder->getUniformVariable(fKernelUni); |
| 79 | const char* imgInc = builder->getUniformCStr(fImageIncrementUni); |
bsalomon@google.com | 0a7672f | 2012-08-03 18:12:20 +0000 | [diff] [blame] | 80 | |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 81 | builder->fsCodeAppendf("\t\tvec2 coord = %s - %d.0 * %s;\n", coords2D.c_str(), fRadius, imgInc); |
bsalomon@google.com | 0a7672f | 2012-08-03 18:12:20 +0000 | [diff] [blame] | 82 | |
tomhudson@google.com | f8a2289 | 2012-06-11 12:42:24 +0000 | [diff] [blame] | 83 | // Manually unroll loop because some drivers don't; yields 20-30% speedup. |
bsalomon@google.com | fc0d23a | 2012-06-15 21:50:15 +0000 | [diff] [blame] | 84 | for (int i = 0; i < width; i++) { |
bsalomon@google.com | f0a104e | 2012-07-10 17:51:07 +0000 | [diff] [blame] | 85 | SkString index; |
| 86 | SkString kernelIndex; |
tomhudson@google.com | f8a2289 | 2012-06-11 12:42:24 +0000 | [diff] [blame] | 87 | index.appendS32(i); |
bsalomon@google.com | 032b221 | 2012-07-16 13:36:18 +0000 | [diff] [blame] | 88 | kernel.appendArrayAccess(index.c_str(), &kernelIndex); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 89 | builder->fsCodeAppendf("\t\t%s += ", outputColor); |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 90 | builder->fsAppendTextureLookup(samplers[0], "coord"); |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 91 | if (this->useBounds()) { |
| 92 | const char* bounds = builder->getUniformCStr(fBoundsUni); |
| 93 | const char* component = this->direction() == Gr1DKernelEffect::kY_Direction ? "y" : "x"; |
| 94 | builder->fsCodeAppendf(" * float(coord.%s >= %s.x && coord.%s <= %s.y)", |
| 95 | component, bounds, component, bounds); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 96 | } |
robertphillips@google.com | 58c856a | 2013-07-24 13:18:06 +0000 | [diff] [blame] | 97 | builder->fsCodeAppendf(" * %s;\n", kernelIndex.c_str()); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 98 | builder->fsCodeAppendf("\t\tcoord += %s;\n", imgInc); |
tomhudson@google.com | f8a2289 | 2012-06-11 12:42:24 +0000 | [diff] [blame] | 99 | } |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 100 | |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 101 | SkString modulate; |
| 102 | GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor); |
| 103 | builder->fsCodeAppend(modulate.c_str()); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 104 | } |
| 105 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 106 | void GrGLConvolutionEffect::setData(const GrGLUniformManager& uman, |
| 107 | const GrDrawEffect& drawEffect) { |
| 108 | const GrConvolutionEffect& conv = drawEffect.castEffect<GrConvolutionEffect>(); |
bsalomon@google.com | 28a15fb | 2012-10-26 17:53:18 +0000 | [diff] [blame] | 109 | GrTexture& texture = *conv.texture(0); |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 110 | // the code we generated was for a specific kernel radius |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 111 | SkASSERT(conv.radius() == fRadius); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 112 | float imageIncrement[2] = { 0 }; |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 113 | float ySign = texture.origin() != kTopLeft_GrSurfaceOrigin ? 1.0f : -1.0f; |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 114 | switch (conv.direction()) { |
| 115 | case Gr1DKernelEffect::kX_Direction: |
tomhudson@google.com | 6a820b6 | 2012-05-24 15:10:14 +0000 | [diff] [blame] | 116 | imageIncrement[0] = 1.0f / texture.width(); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 117 | break; |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 118 | case Gr1DKernelEffect::kY_Direction: |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 119 | imageIncrement[1] = ySign / texture.height(); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 120 | break; |
| 121 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 122 | SkFAIL("Unknown filter direction."); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 123 | } |
commit-bot@chromium.org | d3baf20 | 2013-11-07 22:06:08 +0000 | [diff] [blame] | 124 | uman.set2fv(fImageIncrementUni, 1, imageIncrement); |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 125 | if (conv.useBounds()) { |
| 126 | const float* bounds = conv.bounds(); |
| 127 | if (Gr1DKernelEffect::kY_Direction == conv.direction() && |
| 128 | texture.origin() != kTopLeft_GrSurfaceOrigin) { |
| 129 | uman.set2f(fBoundsUni, 1.0f - bounds[1], 1.0f - bounds[0]); |
| 130 | } else { |
| 131 | uman.set2f(fBoundsUni, bounds[0], bounds[1]); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 132 | } |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 133 | } |
commit-bot@chromium.org | d3baf20 | 2013-11-07 22:06:08 +0000 | [diff] [blame] | 134 | uman.set1fv(fKernelUni, this->width(), conv.kernel()); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 135 | } |
| 136 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 137 | void GrGLConvolutionEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |
| 138 | GrEffectKeyBuilder* b) { |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 139 | const GrConvolutionEffect& conv = drawEffect.castEffect<GrConvolutionEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 140 | uint32_t key = conv.radius(); |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 141 | key <<= 2; |
| 142 | if (conv.useBounds()) { |
| 143 | key |= 0x2; |
| 144 | key |= GrConvolutionEffect::kY_Direction == conv.direction() ? 0x1 : 0x0; |
| 145 | } |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 146 | b->add32(key); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 147 | } |
| 148 | |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 149 | /////////////////////////////////////////////////////////////////////////////// |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 150 | |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 151 | GrConvolutionEffect::GrConvolutionEffect(GrTexture* texture, |
| 152 | Direction direction, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 153 | int radius, |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 154 | const float* kernel, |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 155 | bool useBounds, |
| 156 | float bounds[2]) |
| 157 | : Gr1DKernelEffect(texture, direction, radius), fUseBounds(useBounds) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 158 | SkASSERT(radius <= kMaxKernelRadius); |
| 159 | SkASSERT(NULL != kernel); |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 160 | int width = this->width(); |
bsalomon@google.com | b4a55b7 | 2012-11-02 20:45:37 +0000 | [diff] [blame] | 161 | for (int i = 0; i < width; i++) { |
| 162 | fKernel[i] = kernel[i]; |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 163 | } |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 164 | memcpy(fBounds, bounds, sizeof(fBounds)); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 165 | } |
| 166 | |
tomhudson@google.com | fde2c0a | 2012-07-16 12:23:32 +0000 | [diff] [blame] | 167 | GrConvolutionEffect::GrConvolutionEffect(GrTexture* texture, |
| 168 | Direction direction, |
| 169 | int radius, |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 170 | float gaussianSigma, |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 171 | bool useBounds, |
| 172 | float bounds[2]) |
| 173 | : Gr1DKernelEffect(texture, direction, radius), fUseBounds(useBounds) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 174 | SkASSERT(radius <= kMaxKernelRadius); |
tomhudson@google.com | fde2c0a | 2012-07-16 12:23:32 +0000 | [diff] [blame] | 175 | int width = this->width(); |
| 176 | |
| 177 | float sum = 0.0f; |
| 178 | float denom = 1.0f / (2.0f * gaussianSigma * gaussianSigma); |
| 179 | for (int i = 0; i < width; ++i) { |
| 180 | float x = static_cast<float>(i - this->radius()); |
| 181 | // Note that the constant term (1/(sqrt(2*pi*sigma^2)) of the Gaussian |
| 182 | // is dropped here, since we renormalize the kernel below. |
| 183 | fKernel[i] = sk_float_exp(- x * x * denom); |
| 184 | sum += fKernel[i]; |
| 185 | } |
| 186 | // Normalize the kernel |
| 187 | float scale = 1.0f / sum; |
| 188 | for (int i = 0; i < width; ++i) { |
| 189 | fKernel[i] *= scale; |
| 190 | } |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 191 | memcpy(fBounds, bounds, sizeof(fBounds)); |
tomhudson@google.com | fde2c0a | 2012-07-16 12:23:32 +0000 | [diff] [blame] | 192 | } |
| 193 | |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 194 | GrConvolutionEffect::~GrConvolutionEffect() { |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 195 | } |
| 196 | |
bsalomon@google.com | 396e61f | 2012-10-25 19:00:29 +0000 | [diff] [blame] | 197 | const GrBackendEffectFactory& GrConvolutionEffect::getFactory() const { |
| 198 | return GrTBackendEffectFactory<GrConvolutionEffect>::getInstance(); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 199 | } |
| 200 | |
bsalomon@google.com | 8a252f7 | 2013-01-22 20:35:13 +0000 | [diff] [blame] | 201 | bool GrConvolutionEffect::onIsEqual(const GrEffect& sBase) const { |
bsalomon@google.com | 6340a41 | 2013-01-22 19:55:59 +0000 | [diff] [blame] | 202 | const GrConvolutionEffect& s = CastEffect<GrConvolutionEffect>(sBase); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 203 | return (this->texture(0) == s.texture(0) && |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 204 | this->radius() == s.radius() && |
| 205 | this->direction() == s.direction() && |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 206 | this->useBounds() == s.useBounds() && |
| 207 | 0 == memcmp(fBounds, s.fBounds, sizeof(fBounds)) && |
tomhudson@google.com | d0c1a06 | 2012-07-12 17:23:52 +0000 | [diff] [blame] | 208 | 0 == memcmp(fKernel, s.fKernel, this->width() * sizeof(float))); |
tomhudson@google.com | d8f856c | 2012-05-10 12:13:36 +0000 | [diff] [blame] | 209 | } |
bsalomon@google.com | 0a7672f | 2012-08-03 18:12:20 +0000 | [diff] [blame] | 210 | |
| 211 | /////////////////////////////////////////////////////////////////////////////// |
| 212 | |
bsalomon@google.com | f271cc7 | 2012-10-24 19:35:13 +0000 | [diff] [blame] | 213 | GR_DEFINE_EFFECT_TEST(GrConvolutionEffect); |
bsalomon@google.com | 0a7672f | 2012-08-03 18:12:20 +0000 | [diff] [blame] | 214 | |
bsalomon | 83d081a | 2014-07-08 09:56:10 -0700 | [diff] [blame] | 215 | GrEffect* GrConvolutionEffect::TestCreate(SkRandom* random, |
| 216 | GrContext*, |
| 217 | const GrDrawTargetCaps&, |
| 218 | GrTexture* textures[]) { |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame] | 219 | int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : |
| 220 | GrEffectUnitTest::kAlphaTextureIdx; |
bsalomon@google.com | 0a7672f | 2012-08-03 18:12:20 +0000 | [diff] [blame] | 221 | Direction dir = random->nextBool() ? kX_Direction : kY_Direction; |
| 222 | int radius = random->nextRangeU(1, kMaxKernelRadius); |
bungeman@google.com | 4348663 | 2013-08-20 15:20:34 +0000 | [diff] [blame] | 223 | float kernel[kMaxKernelWidth]; |
| 224 | for (size_t i = 0; i < SK_ARRAY_COUNT(kernel); ++i) { |
bsalomon@google.com | 0a7672f | 2012-08-03 18:12:20 +0000 | [diff] [blame] | 225 | kernel[i] = random->nextSScalar1(); |
| 226 | } |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 227 | float bounds[2]; |
bungeman@google.com | 4348663 | 2013-08-20 15:20:34 +0000 | [diff] [blame] | 228 | for (size_t i = 0; i < SK_ARRAY_COUNT(bounds); ++i) { |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 229 | bounds[i] = random->nextF(); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 230 | } |
bsalomon@google.com | 0a7672f | 2012-08-03 18:12:20 +0000 | [diff] [blame] | 231 | |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 232 | bool useBounds = random->nextBool(); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 233 | return GrConvolutionEffect::Create(textures[texIdx], |
| 234 | dir, |
| 235 | radius, |
| 236 | kernel, |
senorblanco@chromium.org | e8232bc | 2013-07-29 18:45:44 +0000 | [diff] [blame] | 237 | useBounds, |
| 238 | bounds); |
bsalomon@google.com | 0a7672f | 2012-08-03 18:12:20 +0000 | [diff] [blame] | 239 | } |