GrTextureDomain.cpp revision e0e7cfe44bb9d66d76120a79e5275c294bacaa22
12f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com/*
22f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com * Copyright 2012 Google Inc.
32f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com *
42f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com * Use of this source code is governed by a BSD-style license that can be
52f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com * found in the LICENSE file.
62f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com */
72f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
82f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com#include "GrTextureDomainEffect.h"
968b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com#include "GrSimpleTextureEffect.h"
102eaaefd7e6a58339b3f93333f1e9cc92252cc303bsalomon@google.com#include "GrTBackendEffectFactory.h"
11d698f77c13d97c61109b861eac4d25b14a5de935bsalomon@google.com#include "gl/GrGLEffect.h"
1292b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com#include "gl/GrGLEffectMatrix.h"
1392b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com#include "SkFloatingPoint.h"
142f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
1522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comclass GrGLTextureDomainEffect : public GrGLEffect {
162f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.compublic:
17c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    GrGLTextureDomainEffect(const GrBackendEffectFactory&, const GrDrawEffect&);
182f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
1922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com    virtual void emitCode(GrGLShaderBuilder*,
20c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                          const GrDrawEffect&,
2122a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com                          EffectKey,
2222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com                          const char* outputColor,
2322a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com                          const char* inputColor,
2422a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com                          const TextureSamplerArray&) SK_OVERRIDE;
252f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
26c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE;
272f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
28c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&);
292f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
302f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.comprivate:
31dbbc4e2da93cef5c0cfb0b3c92ff6c2c80f6e67absalomon@google.com    GrGLUniformManager::UniformHandle fNameUni;
3292b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com    GrGLEffectMatrix                  fEffectMatrix;
3392b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com    GrGLfloat                         fPrevDomain[4];
342f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
3522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com    typedef GrGLEffect INHERITED;
362f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com};
372f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
38396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comGrGLTextureDomainEffect::GrGLTextureDomainEffect(const GrBackendEffectFactory& factory,
39c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                                 const GrDrawEffect& drawEffect)
40374e75956e7a56bbbd2da5509f9c4117512515d2bsalomon@google.com    : INHERITED(factory)
41c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    , fEffectMatrix(drawEffect.castEffect<GrTextureDomainEffect>().coordsType()) {
4292b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com    fPrevDomain[0] = SK_FloatNaN;
432f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com}
442f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
4522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comvoid GrGLTextureDomainEffect::emitCode(GrGLShaderBuilder* builder,
46c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                       const GrDrawEffect& drawEffect,
4792b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com                                       EffectKey key,
4822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com                                       const char* outputColor,
4922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com                                       const char* inputColor,
5022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com                                       const TextureSamplerArray& samplers) {
51c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainEffect>();
527b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com
537ab7ca4199e97126de01d507d34f60a07843937fcommit-bot@chromium.org    SkString coords;
54c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    fEffectMatrix.emitCodeMakeFSCoords2D(builder, key, &coords);
557b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    const char* domain;
5674a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org    fNameUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
577b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com                                    kVec4f_GrSLType, "TexDom", &domain);
58c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    if (GrTextureDomainEffect::kClamp_WrapMode == texDom.wrapMode()) {
597b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com
60f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com        builder->fsCodeAppendf("\tvec2 clampCoord = clamp(%s, %s.xy, %s.zw);\n",
617ab7ca4199e97126de01d507d34f60a07843937fcommit-bot@chromium.org                                coords.c_str(), domain, domain);
627b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com
63f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com        builder->fsCodeAppendf("\t%s = ", outputColor);
6474a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org        builder->fsAppendTextureLookupAndModulate(inputColor, samplers[0], "clampCoord");
65f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com        builder->fsCodeAppend(";\n");
667b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    } else {
67f6de475e5cbd143f348ff7738919e397b7fe7f57tfarina@chromium.org        SkASSERT(GrTextureDomainEffect::kDecal_WrapMode == texDom.wrapMode());
6813f181f28f4336adcc93b7297b6d16503f4c323crobertphillips@google.com
6913f181f28f4336adcc93b7297b6d16503f4c323crobertphillips@google.com        if (kImagination_GrGLVendor == builder->ctxInfo().vendor()) {
700c23faf222c24529781139495a5f4f4ab61f7cb2skia.committer@gmail.com            // On the NexusS and GalaxyNexus, the other path (with the 'any'
710c23faf222c24529781139495a5f4f4ab61f7cb2skia.committer@gmail.com            // call) causes the compilation error "Calls to any function that
720c23faf222c24529781139495a5f4f4ab61f7cb2skia.committer@gmail.com            // may require a gradient calculation inside a conditional block
7313f181f28f4336adcc93b7297b6d16503f4c323crobertphillips@google.com            // may return undefined results". This appears to be an issue with
7413f181f28f4336adcc93b7297b6d16503f4c323crobertphillips@google.com            // the 'any' call since even the simple "result=black; if (any())
7513f181f28f4336adcc93b7297b6d16503f4c323crobertphillips@google.com            // result=white;" code fails to compile.
76f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppend("\tvec4 outside = vec4(0.0, 0.0, 0.0, 0.0);\n");
77f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppend("\tvec4 inside = ");
7874a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org            builder->fsAppendTextureLookupAndModulate(inputColor, samplers[0], coords.c_str());
79f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppend(";\n");
80f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com
81f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppendf("\tfloat x = abs(2.0*(%s.x - %s.x)/(%s.z - %s.x) - 1.0);\n",
827ab7ca4199e97126de01d507d34f60a07843937fcommit-bot@chromium.org                                   coords.c_str(), domain, domain, domain);
83f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppendf("\tfloat y = abs(2.0*(%s.y - %s.y)/(%s.w - %s.y) - 1.0);\n",
847ab7ca4199e97126de01d507d34f60a07843937fcommit-bot@chromium.org                                   coords.c_str(), domain, domain, domain);
85f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppend("\tfloat blend = step(1.0, max(x, y));\n");
86f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppendf("\t%s = mix(inside, outside, blend);\n", outputColor);
8713f181f28f4336adcc93b7297b6d16503f4c323crobertphillips@google.com        } else {
88f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppend("\tbvec4 outside;\n");
897ab7ca4199e97126de01d507d34f60a07843937fcommit-bot@chromium.org            builder->fsCodeAppendf("\toutside.xy = lessThan(%s, %s.xy);\n", coords.c_str(), domain);
907ab7ca4199e97126de01d507d34f60a07843937fcommit-bot@chromium.org            builder->fsCodeAppendf("\toutside.zw = greaterThan(%s, %s.zw);\n", coords.c_str(), domain);
91f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppendf("\t%s = any(outside) ? vec4(0.0, 0.0, 0.0, 0.0) : ", outputColor);
9274a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org            builder->fsAppendTextureLookupAndModulate(inputColor, samplers[0], coords.c_str());
93f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com            builder->fsCodeAppend(";\n");
9413f181f28f4336adcc93b7297b6d16503f4c323crobertphillips@google.com        }
957b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    }
962f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com}
972f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
98c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.comvoid GrGLTextureDomainEffect::setData(const GrGLUniformManager& uman,
99c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                      const GrDrawEffect& drawEffect) {
100c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainEffect>();
101fd03d4a829efe2d77a712fd991927c55f59a2ffecommit-bot@chromium.org    const SkRect& domain = texDom.domain();
1022f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
1032f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com    float values[4] = {
10481712883419f76e25d2ffec38a9438284a45a48dbsalomon@google.com        SkScalarToFloat(domain.left()),
10581712883419f76e25d2ffec38a9438284a45a48dbsalomon@google.com        SkScalarToFloat(domain.top()),
10681712883419f76e25d2ffec38a9438284a45a48dbsalomon@google.com        SkScalarToFloat(domain.right()),
10781712883419f76e25d2ffec38a9438284a45a48dbsalomon@google.com        SkScalarToFloat(domain.bottom())
1082f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com    };
1092f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com    // vertical flip if necessary
110c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    if (kBottomLeft_GrSurfaceOrigin == texDom.texture(0)->origin()) {
1112f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com        values[1] = 1.0f - values[1];
1122f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com        values[3] = 1.0f - values[3];
1132f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com        // The top and bottom were just flipped, so correct the ordering
1142f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com        // of elements so that values = (l, t, r, b).
1152f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com        SkTSwap(values[1], values[3]);
1162f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com    }
11792b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com    if (0 != memcmp(values, fPrevDomain, 4 * sizeof(GrGLfloat))) {
11892b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com        uman.set4fv(fNameUni, 0, 1, values);
1196b96d368f0dbd09bdec2e209a08fa6306c4a3603robertphillips@google.com        memcpy(fPrevDomain, values, 4 * sizeof(GrGLfloat));
12092b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com    }
12192b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com    fEffectMatrix.setData(uman,
122c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                          texDom.getMatrix(),
123c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                          drawEffect,
124c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                          texDom.texture(0));
1251aa90cf11e136a722bce71dd77f4bb03cc2b56f8skia.committer@gmail.com}
12692b6a94ac103ea3f37a8f9f02072ef884cc17a7cbsalomon@google.com
127c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.comGrGLEffect::EffectKey GrGLTextureDomainEffect::GenKey(const GrDrawEffect& drawEffect,
128c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                                      const GrGLCaps&) {
129c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainEffect>();
130c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    EffectKey key = texDom.wrapMode();
1317b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    key <<= GrGLEffectMatrix::kKeyBits;
132c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    EffectKey matrixKey = GrGLEffectMatrix::GenKey(texDom.getMatrix(),
133c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                                   drawEffect,
134c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                                   texDom.coordsType(),
135c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                                   texDom.texture(0));
1367b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    return key | matrixKey;
1372f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com}
1382f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
1392f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
1402f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com///////////////////////////////////////////////////////////////////////////////
1412f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
1420ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.comGrEffectRef* GrTextureDomainEffect::Create(GrTexture* texture,
1430ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com                                           const SkMatrix& matrix,
144fd03d4a829efe2d77a712fd991927c55f59a2ffecommit-bot@chromium.org                                           const SkRect& domain,
1450ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com                                           WrapMode wrapMode,
146b86add1ad37776818e1f730359ec587c9fdbff5fhumper@google.com                                           GrTextureParams::FilterMode filterMode,
147c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                           CoordsType coordsType) {
1487b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    static const SkRect kFullRect = {0, 0, SK_Scalar1, SK_Scalar1};
1497b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    if (kClamp_WrapMode == wrapMode && domain.contains(kFullRect)) {
150b86add1ad37776818e1f730359ec587c9fdbff5fhumper@google.com        return GrSimpleTextureEffect::Create(texture, matrix, filterMode);
1517b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    } else {
1527b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com        SkRect clippedDomain;
1537b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com        // We don't currently handle domains that are empty or don't intersect the texture.
154fe4e4916b37346ee7b4ca7a13d2eaee1fb3fc416bsalomon@google.com        // It is OK if the domain rect is a line or point, but it should not be inverted. We do not
155fe4e4916b37346ee7b4ca7a13d2eaee1fb3fc416bsalomon@google.com        // handle rects that do not intersect the [0..1]x[0..1] rect.
156f6de475e5cbd143f348ff7738919e397b7fe7f57tfarina@chromium.org        SkASSERT(domain.fLeft <= domain.fRight);
157f6de475e5cbd143f348ff7738919e397b7fe7f57tfarina@chromium.org        SkASSERT(domain.fTop <= domain.fBottom);
158fe4e4916b37346ee7b4ca7a13d2eaee1fb3fc416bsalomon@google.com        clippedDomain.fLeft = SkMaxScalar(domain.fLeft, kFullRect.fLeft);
159fe4e4916b37346ee7b4ca7a13d2eaee1fb3fc416bsalomon@google.com        clippedDomain.fRight = SkMinScalar(domain.fRight, kFullRect.fRight);
160fe4e4916b37346ee7b4ca7a13d2eaee1fb3fc416bsalomon@google.com        clippedDomain.fTop = SkMaxScalar(domain.fTop, kFullRect.fTop);
161fe4e4916b37346ee7b4ca7a13d2eaee1fb3fc416bsalomon@google.com        clippedDomain.fBottom = SkMinScalar(domain.fBottom, kFullRect.fBottom);
162f6de475e5cbd143f348ff7738919e397b7fe7f57tfarina@chromium.org        SkASSERT(clippedDomain.fLeft <= clippedDomain.fRight);
163f6de475e5cbd143f348ff7738919e397b7fe7f57tfarina@chromium.org        SkASSERT(clippedDomain.fTop <= clippedDomain.fBottom);
1640ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com
1656340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com        AutoEffectUnref effect(SkNEW_ARGS(GrTextureDomainEffect, (texture,
1666340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com                                                                  matrix,
1676340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com                                                                  clippedDomain,
1686340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com                                                                  wrapMode,
169b86add1ad37776818e1f730359ec587c9fdbff5fhumper@google.com                                                                  filterMode,
170c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                                                  coordsType)));
171a1ebbe447d5eab098111eb83580e55f2f5f6facabsalomon@google.com        return CreateEffectRef(effect);
1720ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com
1737b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    }
1742f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com}
1752f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
1761ce49fc91714ce8974d11246d29ebe7b97b5fe98bsalomon@google.comGrTextureDomainEffect::GrTextureDomainEffect(GrTexture* texture,
1777b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com                                             const SkMatrix& matrix,
178fd03d4a829efe2d77a712fd991927c55f59a2ffecommit-bot@chromium.org                                             const SkRect& domain,
1797b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com                                             WrapMode wrapMode,
180b86add1ad37776818e1f730359ec587c9fdbff5fhumper@google.com                                             GrTextureParams::FilterMode filterMode,
181c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                             CoordsType coordsType)
182b86add1ad37776818e1f730359ec587c9fdbff5fhumper@google.com    : GrSingleTextureEffect(texture, matrix, filterMode, coordsType)
1837b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    , fWrapMode(wrapMode)
1841ce49fc91714ce8974d11246d29ebe7b97b5fe98bsalomon@google.com    , fTextureDomain(domain) {
1851ce49fc91714ce8974d11246d29ebe7b97b5fe98bsalomon@google.com}
1861ce49fc91714ce8974d11246d29ebe7b97b5fe98bsalomon@google.com
1872f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.comGrTextureDomainEffect::~GrTextureDomainEffect() {
1882f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
1892f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com}
1902f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
191396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comconst GrBackendEffectFactory& GrTextureDomainEffect::getFactory() const {
192396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com    return GrTBackendEffectFactory<GrTextureDomainEffect>::getInstance();
1932f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com}
1942f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com
1958a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.combool GrTextureDomainEffect::onIsEqual(const GrEffect& sBase) const {
1966340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com    const GrTextureDomainEffect& s = CastEffect<GrTextureDomainEffect>(sBase);
197c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    return this->hasSameTextureParamsMatrixAndCoordsType(s) &&
198c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com           this->fTextureDomain == s.fTextureDomain;
19968b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com}
20068b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com
20168b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.comvoid GrTextureDomainEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
20268b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com    if (kDecal_WrapMode == fWrapMode) {
20368b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com        *validFlags = 0;
20468b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com    } else {
20568b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com        this->updateConstantColorComponentsForModulation(color, validFlags);
20668b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com    }
2072f68e7684bb2ecdf0c03a513c31d0626d2caf752tomhudson@google.com}
2080a7672f85ef7655b343679609d02018f83fcfc23bsalomon@google.com
2090a7672f85ef7655b343679609d02018f83fcfc23bsalomon@google.com///////////////////////////////////////////////////////////////////////////////
2100a7672f85ef7655b343679609d02018f83fcfc23bsalomon@google.com
211f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.comGR_DEFINE_EFFECT_TEST(GrTextureDomainEffect);
2120a7672f85ef7655b343679609d02018f83fcfc23bsalomon@google.com
213e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.orgGrEffectRef* GrTextureDomainEffect::TestCreate(SkRandom* random,
214e0e385c1d4171e065348ba17c546b3463a0bd651sugoi@google.com                                               GrContext*,
215c26d94fd7dc0b00cd6d0e42d28285f4a38aff021bsalomon@google.com                                               const GrDrawTargetCaps&,
2160ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com                                               GrTexture* textures[]) {
2176f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com    int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx :
2186f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com                                      GrEffectUnitTest::kAlphaTextureIdx;
219fd03d4a829efe2d77a712fd991927c55f59a2ffecommit-bot@chromium.org    SkRect domain;
2200a7672f85ef7655b343679609d02018f83fcfc23bsalomon@google.com    domain.fLeft = random->nextUScalar1();
2210a7672f85ef7655b343679609d02018f83fcfc23bsalomon@google.com    domain.fRight = random->nextRangeScalar(domain.fLeft, SK_Scalar1);
2220a7672f85ef7655b343679609d02018f83fcfc23bsalomon@google.com    domain.fTop = random->nextUScalar1();
2230a7672f85ef7655b343679609d02018f83fcfc23bsalomon@google.com    domain.fBottom = random->nextRangeScalar(domain.fTop, SK_Scalar1);
2247b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    WrapMode wrapMode = random->nextBool() ? kClamp_WrapMode : kDecal_WrapMode;
2257b7cdd147f5528865238e5ed98c79e6d319fde9bbsalomon@google.com    const SkMatrix& matrix = GrEffectUnitTest::TestMatrix(random);
226c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    bool bilerp = random->nextBool();
227c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    CoordsType coords = random->nextBool() ? kLocal_CoordsType : kPosition_CoordsType;
228c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com    return GrTextureDomainEffect::Create(textures[texIdx],
229c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                         matrix,
230c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                         domain,
231c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                         wrapMode,
232b86add1ad37776818e1f730359ec587c9fdbff5fhumper@google.com                                         bilerp ? GrTextureParams::kBilerp_FilterMode : GrTextureParams::kNone_FilterMode,
233c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com                                         coords);
2340a7672f85ef7655b343679609d02018f83fcfc23bsalomon@google.com}
235