* Copyright 2019 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/gpu/dawn/GrDawnProgramDataManager.h"
#include "src/gpu/dawn/GrDawnGpu.h"
GrDawnProgramDataManager::GrDawnProgramDataManager(const UniformInfoArray& uniforms,
uint32_t geometryUniformSize,
uint32_t fragmentUniformSize)
: fGeometryUniformSize(geometryUniformSize)
, fFragmentUniformSize(fragmentUniformSize)
, fGeometryUniformsDirty(false)
, fFragmentUniformsDirty(false) {
fGeometryUniformData.reset(geometryUniformSize);
fFragmentUniformData.reset(fragmentUniformSize);
int count = uniforms.count();
fUniforms.push_back_n(count);
for (int i = 0; i < count; i++) {
Uniform& uniform = fUniforms[i];
const GrDawnUniformHandler::UniformInfo uniformInfo = uniforms[i];
SkDEBUGCODE(
uniform.fArrayCount = uniformInfo.fVar.getArrayCount();
uniform.fType = uniformInfo.fVar.getType();
);
if (!(kFragment_GrShaderFlag & uniformInfo.fVisibility)) {
uniform.fBinding = GrDawnUniformHandler::kGeometryBinding;
} else {
SkASSERT(kFragment_GrShaderFlag == uniformInfo.fVisibility);
uniform.fBinding = GrDawnUniformHandler::kFragBinding;
}
uniform.fOffset = uniformInfo.fUBOOffset;
}
}
void* GrDawnProgramDataManager::getBufferPtrAndMarkDirty(const Uniform& uni) const {
void* buffer;
if (GrDawnUniformHandler::kGeometryBinding == uni.fBinding) {
buffer = fGeometryUniformData.get();
fGeometryUniformsDirty = true;
} else {
SkASSERT(GrDawnUniformHandler::kFragBinding == uni.fBinding);
buffer = fFragmentUniformData.get();
fFragmentUniformsDirty = true;
}
buffer = static_cast<char*>(buffer)+uni.fOffset;
return buffer;
}
void GrDawnProgramDataManager::set1i(UniformHandle u, int32_t i) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer = this->getBufferPtrAndMarkDirty(uni);
memcpy(buffer, &i, sizeof(int32_t));
}
void GrDawnProgramDataManager::set1iv(UniformHandle u, int arrayCount, const int32_t v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
uint32_t* buffer = static_cast<uint32_t*>(this->getBufferPtrAndMarkDirty(uni));
for (int i = 0; i < arrayCount; ++i) {
const int32_t* curVec = &v[i];
memcpy(buffer, curVec, sizeof(int32_t));
buffer += 4;
}
}
void GrDawnProgramDataManager::set2i(UniformHandle u, int32_t i0, int32_t i1) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer = this->getBufferPtrAndMarkDirty(uni);
int32_t v[2] = { i0, i1 };
memcpy(buffer, v, 2 * sizeof(int32_t));
}
void GrDawnProgramDataManager::set2iv(UniformHandle u, int arrayCount, const int32_t v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
uint32_t* buffer = static_cast<uint32_t*>(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 += 4;
}
}
void GrDawnProgramDataManager::set3i(UniformHandle u, int32_t i0, int32_t i1, int32_t i2) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer = this->getBufferPtrAndMarkDirty(uni);
int32_t v[3] = { i0, i1, i2 };
memcpy(buffer, v, 3 * sizeof(int32_t));
}
void GrDawnProgramDataManager::set3iv(UniformHandle u, int arrayCount, const int32_t v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
uint32_t* buffer = static_cast<uint32_t*>(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 += 4;
}
}
void GrDawnProgramDataManager::set4i(UniformHandle u,
int32_t i0,
int32_t i1,
int32_t i2,
int32_t i3) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer = this->getBufferPtrAndMarkDirty(uni);
int32_t v[4] = { i0, i1, i2, i3 };
memcpy(buffer, v, sizeof(v));
}
void GrDawnProgramDataManager::set4iv(UniformHandle u, int arrayCount, const int32_t v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
uint32_t* buffer = static_cast<uint32_t*>(this->getBufferPtrAndMarkDirty(uni));
for (int i = 0; i < arrayCount; ++i) {
const int32_t* curVec = &v[4 * i];
memcpy(buffer, curVec, 4 * sizeof(int32_t));
buffer += 4;
}
}
void GrDawnProgramDataManager::set1f(UniformHandle u, float v0) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer = this->getBufferPtrAndMarkDirty(uni);
memcpy(buffer, &v0, sizeof(float));
}
void GrDawnProgramDataManager::set1fv(UniformHandle u, int arrayCount, const float v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
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 GrDawnProgramDataManager::set2f(UniformHandle u, float v0, float v1) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer = this->getBufferPtrAndMarkDirty(uni);
float v[2] = { v0, v1 };
memcpy(buffer, v, 2 * sizeof(float));
}
void GrDawnProgramDataManager::set2fv(UniformHandle u, int arrayCount, const float v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
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 GrDawnProgramDataManager::set3f(UniformHandle u, float v0, float v1, float v2) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer = this->getBufferPtrAndMarkDirty(uni);
float v[3] = { v0, v1, v2 };
memcpy(buffer, v, 3 * sizeof(float));
}
void GrDawnProgramDataManager::set3fv(UniformHandle u, int arrayCount, const float v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
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 GrDawnProgramDataManager::set4f(UniformHandle u,
float v0,
float v1,
float v2,
float v3) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer = this->getBufferPtrAndMarkDirty(uni);
float v[4] = { v0, v1, v2, v3 };
memcpy(buffer, v, 4 * sizeof(float));
}
void GrDawnProgramDataManager::set4fv(UniformHandle u, int arrayCount, const float v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer = this->getBufferPtrAndMarkDirty(uni);
memcpy(buffer, v, arrayCount * 4 * sizeof(float));
}
void GrDawnProgramDataManager::setMatrix2f(UniformHandle u, const float matrix[]) const {
this->setMatrices<2>(u, 1, matrix);
}
void GrDawnProgramDataManager::setMatrix2fv(UniformHandle u,
int arrayCount,
const float m[]) const {
this->setMatrices<2>(u, arrayCount, m);
}
void GrDawnProgramDataManager::setMatrix3f(UniformHandle u, const float matrix[]) const {
this->setMatrices<3>(u, 1, matrix);
}
void GrDawnProgramDataManager::setMatrix3fv(UniformHandle u,
int arrayCount,
const float m[]) const {
this->setMatrices<3>(u, arrayCount, m);
}
void GrDawnProgramDataManager::setMatrix4f(UniformHandle u, const float matrix[]) const {
this->setMatrices<4>(u, 1, matrix);
}
void GrDawnProgramDataManager::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 GrDawnProgramDataManager::setMatrices(UniformHandle u,
int arrayCount,
const float matrices[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
void* buffer;
if (GrDawnUniformHandler::kGeometryBinding == uni.fBinding) {
buffer = fGeometryUniformData.get();
fGeometryUniformsDirty = true;
} else {
SkASSERT(GrDawnUniformHandler::kFragBinding == uni.fBinding);
buffer = fFragmentUniformData.get();
fFragmentUniformsDirty = 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[]) {
GR_STATIC_ASSERT(sizeof(float) == 4);
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[]) {
GR_STATIC_ASSERT(sizeof(float) == 4);
buffer = static_cast<char*>(buffer) + uniformOffset;
memcpy(buffer, matrices, count * 16 * sizeof(float));
}
};
void GrDawnProgramDataManager::uploadUniformBuffers(dawn::Buffer geometryBuffer,
dawn::Buffer fragmentBuffer) const {
if (geometryBuffer && fGeometryUniformsDirty) {
geometryBuffer.SetSubData(0, fGeometryUniformSize,
static_cast<const uint8_t*>(fGeometryUniformData.get()));
fGeometryUniformsDirty = false;
}
if (fragmentBuffer && fFragmentUniformsDirty) {
fragmentBuffer.SetSubData(0, fFragmentUniformSize,
static_cast<const uint8_t*>(fFragmentUniformData.get()));
fFragmentUniformsDirty = false;
}
}
