blob: 69842d085206f214ce689356a799057ae37bc3a5 [file] [log] [blame]
/*
* Copyright 2020 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/gpu/GrUniformDataManager.h"
#include "src/gpu/GrShaderVar.h"
// ensure that these types are the sizes the uniform data is expecting
static_assert(sizeof(int32_t) == 4);
static_assert(sizeof(float) == 4);
GrUniformDataManager::GrUniformDataManager(uint32_t uniformCount, uint32_t uniformSize)
: fUniformSize(uniformSize)
, fUniformsDirty(false) {
fUniformData.reset(uniformSize);
fUniforms.push_back_n(uniformCount);
// subclasses fill in the uniforms in their constructor
}
void* GrUniformDataManager::getBufferPtrAndMarkDirty(const Uniform& uni) const {
fUniformsDirty = true;
return static_cast<char*>(fUniformData.get())+uni.fOffset;
}
void GrUniformDataManager::set1i(UniformHandle u, int32_t i) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kInt_GrSLType || uni.fType == kShort_GrSLType);
SkASSERT(GrShaderVar::kNonArray == uni.fArrayCount);
void* buffer = this->getBufferPtrAndMarkDirty(uni);
memcpy(buffer, &i, sizeof(int32_t));
}
void GrUniformDataManager::set1iv(UniformHandle u,
int arrayCount,
const int32_t v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kInt_GrSLType || uni.fType == kShort_GrSLType);
SkASSERT(arrayCount > 0);
SkASSERT(arrayCount <= uni.fArrayCount ||
(1 == arrayCount && GrShaderVar::kNonArray == uni.fArrayCount));
void* buffer = this->getBufferPtrAndMarkDirty(uni);
for (int i = 0; i < arrayCount; ++i) {
const int32_t* curVec = &v[i];
memcpy(buffer, curVec, sizeof(int32_t));
buffer = static_cast<char*>(buffer) + 4*sizeof(int32_t);
}
}
void GrUniformDataManager::set1f(UniformHandle u, float v0) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kFloat_GrSLType || uni.fType == kHalf_GrSLType);
SkASSERT(GrShaderVar::kNonArray == uni.fArrayCount);
void* buffer = this->getBufferPtrAndMarkDirty(uni);
memcpy(buffer, &v0, sizeof(float));
}
void GrUniformDataManager::set1fv(UniformHandle u,
int arrayCount,
const float v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kFloat_GrSLType || uni.fType == kHalf_GrSLType);
SkASSERT(arrayCount > 0);
SkASSERT(arrayCount <= uni.fArrayCount ||
(1 == arrayCount && GrShaderVar::kNonArray == uni.fArrayCount));
void* buffer = this->getBufferPtrAndMarkDirty(uni);
for (int i = 0; i < arrayCount; ++i) {
const float* curVec = &v[i];
memcpy(buffer, curVec, sizeof(float));
buffer = static_cast<char*>(buffer) + 4*sizeof(float);
}
}
void GrUniformDataManager::set2i(UniformHandle u, int32_t i0, int32_t i1) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kInt2_GrSLType || uni.fType == kShort2_GrSLType);
SkASSERT(GrShaderVar::kNonArray == uni.fArrayCount);
void* buffer = this->getBufferPtrAndMarkDirty(uni);
int32_t v[2] = { i0, i1 };
memcpy(buffer, v, 2 * sizeof(int32_t));
}
void GrUniformDataManager::set2iv(UniformHandle u,
int arrayCount,
const int32_t v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kInt2_GrSLType || uni.fType == kShort2_GrSLType);
SkASSERT(arrayCount > 0);
SkASSERT(arrayCount <= uni.fArrayCount ||
(1 == arrayCount && GrShaderVar::kNonArray == uni.fArrayCount));
void* buffer = this->getBufferPtrAndMarkDirty(uni);
for (int i = 0; i < arrayCount; ++i) {
const int32_t* curVec = &v[2 * i];
memcpy(buffer, curVec, 2 * sizeof(int32_t));
buffer = static_cast<char*>(buffer) + 4*sizeof(int32_t);
}
}
void GrUniformDataManager::set2f(UniformHandle u, float v0, float v1) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kFloat2_GrSLType || uni.fType == kHalf2_GrSLType);
SkASSERT(GrShaderVar::kNonArray == uni.fArrayCount);
void* buffer = this->getBufferPtrAndMarkDirty(uni);
float v[2] = { v0, v1 };
memcpy(buffer, v, 2 * sizeof(float));
}
void GrUniformDataManager::set2fv(UniformHandle u,
int arrayCount,
const float v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kFloat2_GrSLType || uni.fType == kHalf2_GrSLType);
SkASSERT(arrayCount > 0);
SkASSERT(arrayCount <= uni.fArrayCount ||
(1 == arrayCount && GrShaderVar::kNonArray == uni.fArrayCount));
void* buffer = this->getBufferPtrAndMarkDirty(uni);
for (int i = 0; i < arrayCount; ++i) {
const float* curVec = &v[2 * i];
memcpy(buffer, curVec, 2 * sizeof(float));
buffer = static_cast<char*>(buffer) + 4*sizeof(float);
}
}
void GrUniformDataManager::set3i(UniformHandle u,
int32_t i0,
int32_t i1,
int32_t i2) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kInt3_GrSLType || uni.fType == kShort3_GrSLType);
SkASSERT(GrShaderVar::kNonArray == uni.fArrayCount);
void* buffer = this->getBufferPtrAndMarkDirty(uni);
int32_t v[3] = { i0, i1, i2 };
memcpy(buffer, v, 3 * sizeof(int32_t));
}
void GrUniformDataManager::set3iv(UniformHandle u,
int arrayCount,
const int32_t v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kInt3_GrSLType || uni.fType == kShort3_GrSLType);
SkASSERT(arrayCount > 0);
SkASSERT(arrayCount <= uni.fArrayCount ||
(1 == arrayCount && GrShaderVar::kNonArray == uni.fArrayCount));
void* buffer = this->getBufferPtrAndMarkDirty(uni);
for (int i = 0; i < arrayCount; ++i) {
const int32_t* curVec = &v[3 * i];
memcpy(buffer, curVec, 3 * sizeof(int32_t));
buffer = static_cast<char*>(buffer) + 4*sizeof(int32_t);
}
}
void GrUniformDataManager::set3f(UniformHandle u, float v0, float v1, float v2) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kFloat3_GrSLType || uni.fType == kHalf3_GrSLType);
SkASSERT(GrShaderVar::kNonArray == uni.fArrayCount);
void* buffer = this->getBufferPtrAndMarkDirty(uni);
float v[3] = { v0, v1, v2 };
memcpy(buffer, v, 3 * sizeof(float));
}
void GrUniformDataManager::set3fv(UniformHandle u,
int arrayCount,
const float v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kFloat3_GrSLType || uni.fType == kHalf3_GrSLType);
SkASSERT(arrayCount > 0);
SkASSERT(arrayCount <= uni.fArrayCount ||
(1 == arrayCount && GrShaderVar::kNonArray == uni.fArrayCount));
void* buffer = this->getBufferPtrAndMarkDirty(uni);
for (int i = 0; i < arrayCount; ++i) {
const float* curVec = &v[3 * i];
memcpy(buffer, curVec, 3 * sizeof(float));
buffer = static_cast<char*>(buffer) + 4*sizeof(float);
}
}
void GrUniformDataManager::set4i(UniformHandle u,
int32_t i0,
int32_t i1,
int32_t i2,
int32_t i3) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kInt4_GrSLType || uni.fType == kShort4_GrSLType);
SkASSERT(GrShaderVar::kNonArray == uni.fArrayCount);
void* buffer = this->getBufferPtrAndMarkDirty(uni);
int32_t v[4] = { i0, i1, i2, i3 };
memcpy(buffer, v, 4 * sizeof(int32_t));
}
void GrUniformDataManager::set4iv(UniformHandle u,
int arrayCount,
const int32_t v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kInt4_GrSLType || uni.fType == kShort4_GrSLType);
SkASSERT(arrayCount > 0);
SkASSERT(arrayCount <= uni.fArrayCount ||
(1 == arrayCount && GrShaderVar::kNonArray == uni.fArrayCount));
void* buffer = this->getBufferPtrAndMarkDirty(uni);
memcpy(buffer, v, arrayCount * 4 * sizeof(int32_t));
}
void GrUniformDataManager::set4f(UniformHandle u,
float v0,
float v1,
float v2,
float v3) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kFloat4_GrSLType || uni.fType == kHalf4_GrSLType);
SkASSERT(GrShaderVar::kNonArray == uni.fArrayCount);
void* buffer = this->getBufferPtrAndMarkDirty(uni);
float v[4] = { v0, v1, v2, v3 };
memcpy(buffer, v, 4 * sizeof(float));
}
void GrUniformDataManager::set4fv(UniformHandle u,
int arrayCount,
const float v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kFloat4_GrSLType || uni.fType == kHalf4_GrSLType);
SkASSERT(arrayCount > 0);
SkASSERT(arrayCount <= uni.fArrayCount ||
(1 == arrayCount && GrShaderVar::kNonArray == uni.fArrayCount));
void* buffer = this->getBufferPtrAndMarkDirty(uni);
memcpy(buffer, v, arrayCount * 4 * sizeof(float));
}
void GrUniformDataManager::setMatrix2f(UniformHandle u, const float matrix[]) const {
this->setMatrices<2>(u, 1, matrix);
}
void GrUniformDataManager::setMatrix2fv(UniformHandle u, int arrayCount, const float m[]) const {
this->setMatrices<2>(u, arrayCount, m);
}
void GrUniformDataManager::setMatrix3f(UniformHandle u, const float matrix[]) const {
this->setMatrices<3>(u, 1, matrix);
}
void GrUniformDataManager::setMatrix3fv(UniformHandle u, int arrayCount, const float m[]) const {
this->setMatrices<3>(u, arrayCount, m);
}
void GrUniformDataManager::setMatrix4f(UniformHandle u, const float matrix[]) const {
this->setMatrices<4>(u, 1, matrix);
}
void GrUniformDataManager::setMatrix4fv(UniformHandle u, int arrayCount, const float m[]) const {
this->setMatrices<4>(u, arrayCount, m);
}
template<int N> struct set_uniform_matrix;
template<int N> inline void GrUniformDataManager::setMatrices(UniformHandle u,
int arrayCount,
const float matrices[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kFloat2x2_GrSLType + (N - 2) ||
uni.fType == kHalf2x2_GrSLType + (N - 2));
SkASSERT(arrayCount > 0);
SkASSERT(arrayCount <= uni.fArrayCount ||
(1 == arrayCount && GrShaderVar::kNonArray == uni.fArrayCount));
void* buffer = fUniformData.get();
fUniformsDirty = true;
set_uniform_matrix<N>::set(buffer, uni.fOffset, arrayCount, matrices);
}
template<int N> struct set_uniform_matrix {
inline static void set(void* buffer, int uniformOffset, int count, const float matrices[]) {
buffer = static_cast<char*>(buffer) + uniformOffset;
for (int i = 0; i < count; ++i) {
const float* matrix = &matrices[N * N * i];
for (int j = 0; j < N; ++j) {
memcpy(buffer, &matrix[j * N], N * sizeof(float));
buffer = static_cast<char*>(buffer) + 4 * sizeof(float);
}
}
}
};
template<> struct set_uniform_matrix<4> {
inline static void set(void* buffer, int uniformOffset, int count, const float matrices[]) {
buffer = static_cast<char*>(buffer) + uniformOffset;
memcpy(buffer, matrices, count * 16 * sizeof(float));
}
};