Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 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 "SkArenaAlloc.h" |
| 9 | #include "SkAutoBlitterChoose.h" |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 10 | #include "SkComposeShader.h" |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 11 | #include "SkDraw.h" |
| 12 | #include "SkNx.h" |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 13 | #include "SkPM4fPriv.h" |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 14 | #include "SkRasterClip.h" |
| 15 | #include "SkScan.h" |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 16 | #include "SkShaderBase.h" |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 17 | #include "SkString.h" |
| 18 | #include "SkVertState.h" |
| 19 | |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 20 | #include "SkArenaAlloc.h" |
| 21 | #include "SkCoreBlitters.h" |
| 22 | #include "SkColorSpaceXform.h" |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 23 | |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 24 | struct Matrix43 { |
| 25 | float fMat[12]; // column major |
| 26 | |
| 27 | Sk4f map(float x, float y) const { |
| 28 | return Sk4f::Load(&fMat[0]) * x + Sk4f::Load(&fMat[4]) * y + Sk4f::Load(&fMat[8]); |
| 29 | } |
| 30 | |
| 31 | void setConcat(const Matrix43& a, const SkMatrix& b) { |
| 32 | fMat[ 0] = a.dot(0, b.getScaleX(), b.getSkewY()); |
| 33 | fMat[ 1] = a.dot(1, b.getScaleX(), b.getSkewY()); |
| 34 | fMat[ 2] = a.dot(2, b.getScaleX(), b.getSkewY()); |
| 35 | fMat[ 3] = a.dot(3, b.getScaleX(), b.getSkewY()); |
| 36 | |
| 37 | fMat[ 4] = a.dot(0, b.getSkewX(), b.getScaleY()); |
| 38 | fMat[ 5] = a.dot(1, b.getSkewX(), b.getScaleY()); |
| 39 | fMat[ 6] = a.dot(2, b.getSkewX(), b.getScaleY()); |
| 40 | fMat[ 7] = a.dot(3, b.getSkewX(), b.getScaleY()); |
| 41 | |
| 42 | fMat[ 8] = a.dot(0, b.getTranslateX(), b.getTranslateY()) + a.fMat[ 8]; |
| 43 | fMat[ 9] = a.dot(1, b.getTranslateX(), b.getTranslateY()) + a.fMat[ 9]; |
| 44 | fMat[10] = a.dot(2, b.getTranslateX(), b.getTranslateY()) + a.fMat[10]; |
| 45 | fMat[11] = a.dot(3, b.getTranslateX(), b.getTranslateY()) + a.fMat[11]; |
| 46 | } |
| 47 | |
| 48 | private: |
| 49 | float dot(int index, float x, float y) const { |
| 50 | return fMat[index + 0] * x + fMat[index + 4] * y; |
| 51 | } |
| 52 | }; |
| 53 | |
| 54 | static SkScan::HairRCProc ChooseHairProc(bool doAntiAlias) { |
| 55 | return doAntiAlias ? SkScan::AntiHairLine : SkScan::HairLine; |
| 56 | } |
| 57 | |
Mike Reed | efb25fd | 2018-02-05 12:43:18 -0500 | [diff] [blame] | 58 | static bool SK_WARN_UNUSED_RESULT |
| 59 | texture_to_matrix(const VertState& state, const SkPoint verts[], const SkPoint texs[], |
| 60 | SkMatrix* matrix) { |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 61 | SkPoint src[3], dst[3]; |
| 62 | |
| 63 | src[0] = texs[state.f0]; |
| 64 | src[1] = texs[state.f1]; |
| 65 | src[2] = texs[state.f2]; |
| 66 | dst[0] = verts[state.f0]; |
| 67 | dst[1] = verts[state.f1]; |
| 68 | dst[2] = verts[state.f2]; |
| 69 | return matrix->setPolyToPoly(src, dst, 3); |
| 70 | } |
| 71 | |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 72 | class SkTriColorShader : public SkShaderBase { |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 73 | public: |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 74 | SkTriColorShader(bool isOpaque) : fIsOpaque(isOpaque) {} |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 75 | |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 76 | Matrix43* getMatrix43() { return &fM43; } |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 77 | |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 78 | bool isOpaque() const override { return fIsOpaque; } |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 79 | |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 80 | // For serialization. This will never be called. |
Ben Wagner | 7ca9a74 | 2017-08-17 14:05:04 -0400 | [diff] [blame] | 81 | Factory getFactory() const override { SK_ABORT("not reached"); return nullptr; } |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 82 | |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 83 | protected: |
| 84 | Context* onMakeContext(const ContextRec& rec, SkArenaAlloc* alloc) const override { |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 85 | return nullptr; |
| 86 | } |
Mike Reed | 1d8c42e | 2017-08-29 14:58:19 -0400 | [diff] [blame] | 87 | bool onAppendStages(const StageRec& rec) const override { |
Mike Klein | e8de024 | 2018-03-10 12:37:11 -0500 | [diff] [blame] | 88 | rec.fPipeline->append(SkRasterPipeline::seed_shader); |
Mike Reed | 1d8c42e | 2017-08-29 14:58:19 -0400 | [diff] [blame] | 89 | rec.fPipeline->append(SkRasterPipeline::matrix_4x3, &fM43); |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 90 | return true; |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | private: |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 94 | Matrix43 fM43; |
| 95 | const bool fIsOpaque; |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 96 | |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 97 | typedef SkShaderBase INHERITED; |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 98 | }; |
| 99 | |
Mike Reed | efb25fd | 2018-02-05 12:43:18 -0500 | [diff] [blame] | 100 | static bool SK_WARN_UNUSED_RESULT |
| 101 | update_tricolor_matrix(const SkMatrix& ctmInv, const SkPoint pts[], const SkPM4f colors[], |
| 102 | int index0, int index1, int index2, Matrix43* result) { |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 103 | SkMatrix m, im; |
| 104 | m.reset(); |
| 105 | m.set(0, pts[index1].fX - pts[index0].fX); |
| 106 | m.set(1, pts[index2].fX - pts[index0].fX); |
| 107 | m.set(2, pts[index0].fX); |
| 108 | m.set(3, pts[index1].fY - pts[index0].fY); |
| 109 | m.set(4, pts[index2].fY - pts[index0].fY); |
| 110 | m.set(5, pts[index0].fY); |
| 111 | if (!m.invert(&im)) { |
| 112 | return false; |
| 113 | } |
| 114 | |
| 115 | SkMatrix dstToUnit; |
| 116 | dstToUnit.setConcat(im, ctmInv); |
| 117 | |
| 118 | Sk4f c0 = colors[index0].to4f(), |
| 119 | c1 = colors[index1].to4f(), |
| 120 | c2 = colors[index2].to4f(); |
| 121 | |
| 122 | Matrix43 colorm; |
| 123 | (c1 - c0).store(&colorm.fMat[0]); |
| 124 | (c2 - c0).store(&colorm.fMat[4]); |
| 125 | c0.store(&colorm.fMat[8]); |
| 126 | result->setConcat(colorm, dstToUnit); |
| 127 | return true; |
| 128 | } |
| 129 | |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 130 | // Convert the SkColors into float colors. The conversion depends on some conditions: |
| 131 | // - If the pixmap has a dst colorspace, we have to be "color-correct". |
| 132 | // Do we map into dst-colorspace before or after we interpolate? |
| 133 | // - We have to decide when to apply per-color alpha (before or after we interpolate) |
| 134 | // |
| 135 | // For now, we will take a simple approach, but recognize this is just a start: |
| 136 | // - convert colors into dst colorspace before interpolation (matches gradients) |
| 137 | // - apply per-color alpha before interpolation (matches old version of vertices) |
| 138 | // |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 139 | static SkPM4f* convert_colors(const SkColor src[], int count, SkColorSpace* deviceCS, |
| 140 | SkArenaAlloc* alloc) { |
| 141 | SkPM4f* dst = alloc->makeArray<SkPM4f>(count); |
| 142 | if (!deviceCS) { |
| 143 | for (int i = 0; i < count; ++i) { |
Robert Phillips | 4a17501 | 2018-07-13 13:18:56 +0000 | [diff] [blame] | 144 | SkColor4f color4f; |
| 145 | swizzle_rb(Sk4f_fromL32(src[i])).store(&color4f); |
| 146 | dst[i] = color4f.premul(); |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 147 | } |
| 148 | } else { |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 149 | auto srcCS = SkColorSpace::MakeSRGB(); |
Mike Klein | e08059d | 2018-07-11 17:31:02 -0400 | [diff] [blame] | 150 | SkColorSpaceXform::Apply(deviceCS , SkColorSpaceXform::kRGBA_F32_ColorFormat, dst, |
Mike Reed | edf8a76 | 2017-05-22 13:41:36 -0400 | [diff] [blame] | 151 | srcCS.get(), SkColorSpaceXform::kBGRA_8888_ColorFormat, src, |
| 152 | count, SkColorSpaceXform::kPremul_AlphaOp); |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 153 | } |
| 154 | return dst; |
| 155 | } |
| 156 | |
| 157 | static bool compute_is_opaque(const SkColor colors[], int count) { |
| 158 | uint32_t c = ~0; |
| 159 | for (int i = 0; i < count; ++i) { |
| 160 | c &= colors[i]; |
| 161 | } |
| 162 | return SkColorGetA(c) == 0xFF; |
| 163 | } |
| 164 | |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 165 | void SkDraw::drawVertices(SkVertices::VertexMode vmode, int vertexCount, |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 166 | const SkPoint vertices[], const SkPoint textures[], |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 167 | const SkColor colors[], const SkVertices::BoneIndices boneIndices[], |
| 168 | const SkVertices::BoneWeights boneWeights[], SkBlendMode bmode, |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 169 | const uint16_t indices[], int indexCount, |
Ruiqi Mao | c97a339 | 2018-08-15 10:44:19 -0400 | [diff] [blame^] | 170 | const SkPaint& paint, const SkVertices::Bone bones[], |
| 171 | int boneCount) const { |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 172 | SkASSERT(0 == vertexCount || vertices); |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 173 | |
| 174 | // abort early if there is nothing to draw |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 175 | if (vertexCount < 3 || (indices && indexCount < 3) || fRC->isEmpty()) { |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 176 | return; |
| 177 | } |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 178 | SkMatrix ctmInv; |
| 179 | if (!fMatrix->invert(&ctmInv)) { |
| 180 | return; |
| 181 | } |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 182 | |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 183 | // make textures and shader mutually consistent |
| 184 | SkShader* shader = paint.getShader(); |
| 185 | if (!(shader && textures)) { |
| 186 | shader = nullptr; |
| 187 | textures = nullptr; |
| 188 | } |
| 189 | |
Mike Reed | 0271c5b | 2017-06-02 14:52:22 -0400 | [diff] [blame] | 190 | // We can simplify things for certain blendmodes. This is for speed, and SkComposeShader |
| 191 | // itself insists we don't pass kSrc or kDst to it. |
| 192 | // |
| 193 | if (colors && textures) { |
| 194 | switch (bmode) { |
| 195 | case SkBlendMode::kSrc: |
| 196 | colors = nullptr; |
| 197 | break; |
| 198 | case SkBlendMode::kDst: |
| 199 | textures = nullptr; |
| 200 | break; |
| 201 | default: break; |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | // we don't use the shader if there are no textures |
| 206 | if (!textures) { |
| 207 | shader = nullptr; |
| 208 | } |
| 209 | |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 210 | constexpr size_t kDefVertexCount = 16; |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 211 | constexpr size_t kOuterSize = sizeof(SkTriColorShader) + |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 212 | sizeof(SkComposeShader) + |
Ruiqi Mao | c97a339 | 2018-08-15 10:44:19 -0400 | [diff] [blame^] | 213 | (2 * sizeof(SkPoint) + sizeof(SkPM4f)) * kDefVertexCount; |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 214 | SkSTArenaAlloc<kOuterSize> outerAlloc; |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 215 | |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 216 | // deform vertices using the skeleton if it is passed in |
| 217 | if (bones && boneCount) { |
| 218 | // allocate space for the deformed vertices |
| 219 | SkPoint* deformed = outerAlloc.makeArray<SkPoint>(vertexCount); |
| 220 | |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 221 | // deform the vertices |
| 222 | if (boneIndices && boneWeights) { |
| 223 | for (int i = 0; i < vertexCount; i ++) { |
| 224 | const SkVertices::BoneIndices& indices = boneIndices[i]; |
| 225 | const SkVertices::BoneWeights& weights = boneWeights[i]; |
| 226 | |
Ruiqi Mao | c97a339 | 2018-08-15 10:44:19 -0400 | [diff] [blame^] | 227 | // apply the world transform |
| 228 | SkPoint worldPoint = bones[0].mapPoint(vertices[i]); |
| 229 | |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 230 | // apply bone deformations |
Ruiqi Mao | c97a339 | 2018-08-15 10:44:19 -0400 | [diff] [blame^] | 231 | deformed[i] = SkPoint::Make(0.0f, 0.0f); |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 232 | for (uint32_t j = 0; j < 4; j ++) { |
| 233 | // get the attachment data |
Ruiqi Mao | c97a339 | 2018-08-15 10:44:19 -0400 | [diff] [blame^] | 234 | uint32_t index = indices[j]; |
| 235 | float weight = weights[j]; |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 236 | |
| 237 | // skip the bone if there is no weight |
| 238 | if (weight == 0.0f) { |
| 239 | continue; |
| 240 | } |
| 241 | SkASSERT(index != 0); |
| 242 | |
Ruiqi Mao | c97a339 | 2018-08-15 10:44:19 -0400 | [diff] [blame^] | 243 | // deformed += M * v * w |
| 244 | deformed[i] += bones[index].mapPoint(worldPoint) * weight; |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 245 | } |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 246 | } |
| 247 | } else { |
| 248 | // no bones, so only apply world transform |
Ruiqi Mao | c97a339 | 2018-08-15 10:44:19 -0400 | [diff] [blame^] | 249 | SkMatrix worldTransform = SkMatrix::I(); |
| 250 | worldTransform.setAffine(bones[0].values); |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 251 | worldTransform.mapPoints(deformed, vertices, vertexCount); |
| 252 | } |
| 253 | |
| 254 | // change the vertices to point to deformed |
| 255 | vertices = deformed; |
| 256 | } |
| 257 | |
| 258 | SkPoint* devVerts = outerAlloc.makeArray<SkPoint>(vertexCount); |
| 259 | fMatrix->mapPoints(devVerts, vertices, vertexCount); |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 260 | |
Mike Reed | 81afc04 | 2018-05-02 13:15:06 -0400 | [diff] [blame] | 261 | { |
| 262 | SkRect bounds; |
| 263 | // this also sets bounds to empty if we see a non-finite value |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 264 | bounds.set(devVerts, vertexCount); |
Mike Reed | 81afc04 | 2018-05-02 13:15:06 -0400 | [diff] [blame] | 265 | if (bounds.isEmpty()) { |
| 266 | return; |
| 267 | } |
| 268 | } |
| 269 | |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 270 | VertState state(vertexCount, indices, indexCount); |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 271 | VertState::Proc vertProc = state.chooseProc(vmode); |
| 272 | |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 273 | if (colors || textures) { |
| 274 | SkPM4f* dstColors = nullptr; |
| 275 | Matrix43* matrix43 = nullptr; |
| 276 | |
| 277 | if (colors) { |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 278 | dstColors = convert_colors(colors, vertexCount, fDst.colorSpace(), &outerAlloc); |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 279 | |
| 280 | SkTriColorShader* triShader = outerAlloc.make<SkTriColorShader>( |
Ruiqi Mao | f510149 | 2018-06-29 14:32:21 -0400 | [diff] [blame] | 281 | compute_is_opaque(colors, |
| 282 | vertexCount)); |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 283 | matrix43 = triShader->getMatrix43(); |
| 284 | if (shader) { |
| 285 | shader = outerAlloc.make<SkComposeShader>(sk_ref_sp(triShader), sk_ref_sp(shader), |
Mike Reed | 01b2b83 | 2017-06-09 10:51:52 -0400 | [diff] [blame] | 286 | bmode, 1); |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 287 | } else { |
| 288 | shader = triShader; |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | SkPaint p(paint); |
| 293 | p.setShader(sk_ref_sp(shader)); |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 294 | |
Mike Reed | e28bbcf | 2017-05-26 09:52:05 -0400 | [diff] [blame] | 295 | if (!textures) { // only tricolor shader |
| 296 | SkASSERT(matrix43); |
| 297 | auto blitter = SkCreateRasterPipelineBlitter(fDst, p, *fMatrix, &outerAlloc); |
| 298 | while (vertProc(&state)) { |
| 299 | if (!update_tricolor_matrix(ctmInv, vertices, dstColors, |
| 300 | state.f0, state.f1, state.f2, |
| 301 | matrix43)) { |
| 302 | continue; |
| 303 | } |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 304 | |
Mike Reed | e28bbcf | 2017-05-26 09:52:05 -0400 | [diff] [blame] | 305 | SkPoint tmp[] = { |
| 306 | devVerts[state.f0], devVerts[state.f1], devVerts[state.f2] |
| 307 | }; |
| 308 | SkScan::FillTriangle(tmp, *fRC, blitter); |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 309 | } |
Mike Reed | e28bbcf | 2017-05-26 09:52:05 -0400 | [diff] [blame] | 310 | } else { |
| 311 | while (vertProc(&state)) { |
| 312 | SkSTArenaAlloc<2048> innerAlloc; |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 313 | |
Mike Reed | e28bbcf | 2017-05-26 09:52:05 -0400 | [diff] [blame] | 314 | const SkMatrix* ctm = fMatrix; |
| 315 | SkMatrix tmpCtm; |
| 316 | if (textures) { |
| 317 | SkMatrix localM; |
Mike Reed | efb25fd | 2018-02-05 12:43:18 -0500 | [diff] [blame] | 318 | if (!texture_to_matrix(state, vertices, textures, &localM)) { |
| 319 | continue; |
| 320 | } |
Mike Reed | e28bbcf | 2017-05-26 09:52:05 -0400 | [diff] [blame] | 321 | tmpCtm = SkMatrix::Concat(*fMatrix, localM); |
| 322 | ctm = &tmpCtm; |
| 323 | } |
| 324 | |
| 325 | if (matrix43 && !update_tricolor_matrix(ctmInv, vertices, dstColors, |
| 326 | state.f0, state.f1, state.f2, |
| 327 | matrix43)) { |
| 328 | continue; |
| 329 | } |
| 330 | |
| 331 | SkPoint tmp[] = { |
| 332 | devVerts[state.f0], devVerts[state.f1], devVerts[state.f2] |
| 333 | }; |
| 334 | auto blitter = SkCreateRasterPipelineBlitter(fDst, p, *ctm, &innerAlloc); |
| 335 | SkScan::FillTriangle(tmp, *fRC, blitter); |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 336 | } |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 337 | } |
| 338 | } else { |
| 339 | // no colors[] and no texture, stroke hairlines with paint's color. |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 340 | SkPaint p; |
| 341 | p.setStyle(SkPaint::kStroke_Style); |
Mike Reed | 910ca0f | 2018-04-25 13:04:05 -0400 | [diff] [blame] | 342 | SkAutoBlitterChoose blitter(*this, nullptr, p); |
Mike Reed | 176f19c | 2017-05-24 13:53:36 -0400 | [diff] [blame] | 343 | // Abort early if we failed to create a shader context. |
| 344 | if (blitter->isNullBlitter()) { |
| 345 | return; |
| 346 | } |
Mike Reed | 787a16d | 2017-05-15 09:29:18 -0400 | [diff] [blame] | 347 | SkScan::HairRCProc hairProc = ChooseHairProc(paint.isAntiAlias()); |
| 348 | const SkRasterClip& clip = *fRC; |
| 349 | while (vertProc(&state)) { |
| 350 | SkPoint array[] = { |
| 351 | devVerts[state.f0], devVerts[state.f1], devVerts[state.f2], devVerts[state.f0] |
| 352 | }; |
| 353 | hairProc(array, 4, clip, blitter.get()); |
| 354 | } |
| 355 | } |
| 356 | } |