1 /*
2 * Copyright 2016 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 "src/gpu/ganesh/glsl/GrGLSLProgramDataManager.h"
9
10 #include "include/core/SkM44.h"
11 #include "include/core/SkMatrix.h"
12 #include "src/core/SkMatrixPriv.h"
13
setSkMatrix(UniformHandle u,const SkMatrix & matrix) const14 void GrGLSLProgramDataManager::setSkMatrix(UniformHandle u, const SkMatrix& matrix) const {
15 float mt[] = {
16 matrix.get(SkMatrix::kMScaleX),
17 matrix.get(SkMatrix::kMSkewY),
18 matrix.get(SkMatrix::kMPersp0),
19 matrix.get(SkMatrix::kMSkewX),
20 matrix.get(SkMatrix::kMScaleY),
21 matrix.get(SkMatrix::kMPersp1),
22 matrix.get(SkMatrix::kMTransX),
23 matrix.get(SkMatrix::kMTransY),
24 matrix.get(SkMatrix::kMPersp2),
25 };
26 this->setMatrix3f(u, mt);
27 }
28
setSkM44(UniformHandle u,const SkM44 & matrix) const29 void GrGLSLProgramDataManager::setSkM44(UniformHandle u, const SkM44& matrix) const {
30 this->setMatrix4f(u, SkMatrixPriv::M44ColMajor(matrix));
31 }
32
setRuntimeEffectUniforms(SkSpan<const SkRuntimeEffect::Uniform> uniforms,SkSpan<const UniformHandle> handles,SkSpan<const Specialized> specialized,const void * src) const33 void GrGLSLProgramDataManager::setRuntimeEffectUniforms(
34 SkSpan<const SkRuntimeEffect::Uniform> uniforms,
35 SkSpan<const UniformHandle> handles,
36 SkSpan<const Specialized> specialized,
37 const void* src) const {
38 SkASSERT(uniforms.empty() || src);
39 SkASSERT(specialized.empty() || specialized.size() == uniforms.size());
40 SkASSERT(!specialized.empty() || handles.size() == uniforms.size());
41
42 using Type = SkRuntimeEffect::Uniform::Type;
43 size_t handleIdx = 0;
44 for (size_t uniformIdx = 0; uniformIdx < uniforms.size(); ++uniformIdx) {
45 const auto& u = uniforms[uniformIdx];
46 auto floatData = [=] { return SkTAddOffset<const float>(src, u.offset); };
47 auto intData = [=] { return SkTAddOffset<const int >(src, u.offset); };
48 if (!specialized.empty() && specialized[uniformIdx] == Specialized::kYes) {
49 continue;
50 }
51 const auto h = handles[handleIdx++];
52 switch (u.type) {
53 case Type::kFloat: this->set1fv(h, u.count, floatData()); break;
54 case Type::kFloat2: this->set2fv(h, u.count, floatData()); break;
55 case Type::kFloat3: this->set3fv(h, u.count, floatData()); break;
56 case Type::kFloat4: this->set4fv(h, u.count, floatData()); break;
57
58 case Type::kFloat2x2: this->setMatrix2fv(h, u.count, floatData()); break;
59 case Type::kFloat3x3: this->setMatrix3fv(h, u.count, floatData()); break;
60 case Type::kFloat4x4: this->setMatrix4fv(h, u.count, floatData()); break;
61
62 case Type::kInt: this->set1iv(h, u.count, intData()); break;
63 case Type::kInt2: this->set2iv(h, u.count, intData()); break;
64 case Type::kInt3: this->set3iv(h, u.count, intData()); break;
65 case Type::kInt4: this->set4iv(h, u.count, intData()); break;
66
67 default:
68 SkDEBUGFAIL("Unsupported uniform type");
69 break;
70 }
71 }
72 SkASSERT(handleIdx == handles.size());
73 }
74