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/SkMatrix.h"
11 #include "include/private/base/SkTemplates.h"
12 #include "src/core/SkMatrixPriv.h"
13
14 #include <cstddef>
15
setSkMatrix(UniformHandle u,const SkMatrix & matrix) const16 void GrGLSLProgramDataManager::setSkMatrix(UniformHandle u, const SkMatrix& matrix) const {
17 float mt[] = {
18 matrix.get(SkMatrix::kMScaleX),
19 matrix.get(SkMatrix::kMSkewY),
20 matrix.get(SkMatrix::kMPersp0),
21 matrix.get(SkMatrix::kMSkewX),
22 matrix.get(SkMatrix::kMScaleY),
23 matrix.get(SkMatrix::kMPersp1),
24 matrix.get(SkMatrix::kMTransX),
25 matrix.get(SkMatrix::kMTransY),
26 matrix.get(SkMatrix::kMPersp2),
27 };
28 this->setMatrix3f(u, mt);
29 }
30
setSkM44(UniformHandle u,const SkM44 & matrix) const31 void GrGLSLProgramDataManager::setSkM44(UniformHandle u, const SkM44& matrix) const {
32 this->setMatrix4f(u, SkMatrixPriv::M44ColMajor(matrix));
33 }
34
setRuntimeEffectUniforms(SkSpan<const SkRuntimeEffect::Uniform> uniforms,SkSpan<const UniformHandle> handles,SkSpan<const Specialized> specialized,const void * src) const35 void GrGLSLProgramDataManager::setRuntimeEffectUniforms(
36 SkSpan<const SkRuntimeEffect::Uniform> uniforms,
37 SkSpan<const UniformHandle> handles,
38 SkSpan<const Specialized> specialized,
39 const void* src) const {
40 SkASSERT(uniforms.empty() || src);
41 SkASSERT(specialized.empty() || specialized.size() == uniforms.size());
42 SkASSERT(!specialized.empty() || handles.size() == uniforms.size());
43
44 using Type = SkRuntimeEffect::Uniform::Type;
45 size_t handleIdx = 0;
46 for (size_t uniformIdx = 0; uniformIdx < uniforms.size(); ++uniformIdx) {
47 const auto& u = uniforms[uniformIdx];
48 auto floatData = [=] { return SkTAddOffset<const float>(src, u.offset); };
49 auto intData = [=] { return SkTAddOffset<const int >(src, u.offset); };
50 if (!specialized.empty() && specialized[uniformIdx] == Specialized::kYes) {
51 continue;
52 }
53 const auto h = handles[handleIdx++];
54 switch (u.type) {
55 case Type::kFloat: this->set1fv(h, u.count, floatData()); break;
56 case Type::kFloat2: this->set2fv(h, u.count, floatData()); break;
57 case Type::kFloat3: this->set3fv(h, u.count, floatData()); break;
58 case Type::kFloat4: this->set4fv(h, u.count, floatData()); break;
59
60 case Type::kFloat2x2: this->setMatrix2fv(h, u.count, floatData()); break;
61 case Type::kFloat3x3: this->setMatrix3fv(h, u.count, floatData()); break;
62 case Type::kFloat4x4: this->setMatrix4fv(h, u.count, floatData()); break;
63
64 case Type::kInt: this->set1iv(h, u.count, intData()); break;
65 case Type::kInt2: this->set2iv(h, u.count, intData()); break;
66 case Type::kInt3: this->set3iv(h, u.count, intData()); break;
67 case Type::kInt4: this->set4iv(h, u.count, intData()); break;
68
69 default:
70 SkDEBUGFAIL("Unsupported uniform type");
71 break;
72 }
73 }
74 SkASSERT(handleIdx == handles.size());
75 }
76