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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkMatrix.h"
#include "gl/GrGLProgramDataManager.h"
#include "gl/GrGLGpu.h"
#include "glsl/GrGLSLUniformHandler.h"
#define ASSERT_ARRAY_UPLOAD_IN_BOUNDS(UNI, COUNT) \
SkASSERT((COUNT) <= (UNI).fArrayCount || \
(1 == (COUNT) && GrShaderVar::kNonArray == (UNI).fArrayCount))
GrGLProgramDataManager::GrGLProgramDataManager(GrGLGpu* gpu, GrGLuint programID,
const UniformInfoArray& uniforms,
const VaryingInfoArray& pathProcVaryings)
: fGpu(gpu)
, fProgramID(programID) {
int count = uniforms.count();
fUniforms.push_back_n(count);
for (int i = 0; i < count; i++) {
Uniform& uniform = fUniforms[i];
const UniformInfo& builderUniform = uniforms[i];
SkASSERT(GrShaderVar::kNonArray == builderUniform.fVariable.getArrayCount() ||
builderUniform.fVariable.getArrayCount() > 0);
SkDEBUGCODE(
uniform.fArrayCount = builderUniform.fVariable.getArrayCount();
uniform.fType = builderUniform.fVariable.getType();
);
uniform.fLocation = builderUniform.fLocation;
}
// NVPR programs have separable varyings
count = pathProcVaryings.count();
fPathProcVaryings.push_back_n(count);
for (int i = 0; i < count; i++) {
SkASSERT(fGpu->glCaps().shaderCaps()->pathRenderingSupport());
PathProcVarying& pathProcVarying = fPathProcVaryings[i];
const VaryingInfo& builderPathProcVarying = pathProcVaryings[i];
SkASSERT(GrShaderVar::kNonArray == builderPathProcVarying.fVariable.getArrayCount() ||
builderPathProcVarying.fVariable.getArrayCount() > 0);
SkDEBUGCODE(
pathProcVarying.fArrayCount = builderPathProcVarying.fVariable.getArrayCount();
pathProcVarying.fType = builderPathProcVarying.fVariable.getType();
);
pathProcVarying.fLocation = builderPathProcVarying.fLocation;
}
}
void GrGLProgramDataManager::setSamplerUniforms(const UniformInfoArray& samplers,
int startUnit) const {
for (int i = 0; i < samplers.count(); ++i) {
const UniformInfo& sampler = samplers[i];
SkASSERT(sampler.fVisibility);
if (kUnusedUniform != sampler.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform1i(sampler.fLocation, i + startUnit));
}
}
}
void GrGLProgramDataManager::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);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform1i(uni.fLocation, i));
}
}
void GrGLProgramDataManager::set1iv(UniformHandle u,
int arrayCount,
const int v[]) const {
const Uniform& uni = fUniforms[u.toIndex()];
SkASSERT(uni.fType == kInt_GrSLType || uni.fType == kShort_GrSLType);
SkASSERT(arrayCount > 0);
ASSERT_ARRAY_UPLOAD_IN_BOUNDS(uni, arrayCount);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform1iv(uni.fLocation, arrayCount, v));
}
}
void GrGLProgramDataManager::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);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform1f(uni.fLocation, v0));
}
}
void GrGLProgramDataManager::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);
ASSERT_ARRAY_UPLOAD_IN_BOUNDS(uni, arrayCount);
// This assert fires in some instances of the two-pt gradient for its VSParams.
// Once the uniform manager is responsible for inserting the duplicate uniform
// arrays in VS and FS driver bug workaround, this can be enabled.
// this->printUni(uni);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform1fv(uni.fLocation, arrayCount, v));
}
}
void GrGLProgramDataManager::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);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform2f(uni.fLocation, v0, v1));
}
}
void GrGLProgramDataManager::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);
ASSERT_ARRAY_UPLOAD_IN_BOUNDS(uni, arrayCount);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform2fv(uni.fLocation, arrayCount, v));
}
}
void GrGLProgramDataManager::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);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform3f(uni.fLocation, v0, v1, v2));
}
}
void GrGLProgramDataManager::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);
ASSERT_ARRAY_UPLOAD_IN_BOUNDS(uni, arrayCount);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform3fv(uni.fLocation, arrayCount, v));
}
}
void GrGLProgramDataManager::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);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform4f(uni.fLocation, v0, v1, v2, v3));
}
}
void GrGLProgramDataManager::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);
ASSERT_ARRAY_UPLOAD_IN_BOUNDS(uni, arrayCount);
if (kUnusedUniform != uni.fLocation) {
GR_GL_CALL(fGpu->glInterface(), Uniform4fv(uni.fLocation, arrayCount, v));
}
}
void GrGLProgramDataManager::setMatrix2f(UniformHandle u, const float matrix[]) const {
this->setMatrices<2>(u, 1, matrix);
}
void GrGLProgramDataManager::setMatrix3f(UniformHandle u, const float matrix[]) const {
this->setMatrices<3>(u, 1, matrix);
}
void GrGLProgramDataManager::setMatrix4f(UniformHandle u, const float matrix[]) const {
this->setMatrices<4>(u, 1, matrix);
}
void GrGLProgramDataManager::setMatrix2fv(UniformHandle u, int arrayCount, const float m[]) const {
this->setMatrices<2>(u, arrayCount, m);
}
void GrGLProgramDataManager::setMatrix3fv(UniformHandle u, int arrayCount, const float m[]) const {
this->setMatrices<3>(u, arrayCount, m);
}
void GrGLProgramDataManager::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 GrGLProgramDataManager::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);
ASSERT_ARRAY_UPLOAD_IN_BOUNDS(uni, arrayCount);
if (kUnusedUniform != uni.fLocation) {
set_uniform_matrix<N>::set(fGpu->glInterface(), uni.fLocation, arrayCount, matrices);
}
}
template<> struct set_uniform_matrix<2> {
inline static void set(const GrGLInterface* gli, const GrGLint loc, int cnt, const float m[]) {
GR_GL_CALL(gli, UniformMatrix2fv(loc, cnt, false, m));
}
};
template<> struct set_uniform_matrix<3> {
inline static void set(const GrGLInterface* gli, const GrGLint loc, int cnt, const float m[]) {
GR_GL_CALL(gli, UniformMatrix3fv(loc, cnt, false, m));
}
};
template<> struct set_uniform_matrix<4> {
inline static void set(const GrGLInterface* gli, const GrGLint loc, int cnt, const float m[]) {
GR_GL_CALL(gli, UniformMatrix4fv(loc, cnt, false, m));
}
};
void GrGLProgramDataManager::setPathFragmentInputTransform(VaryingHandle u,
int components,
const SkMatrix& matrix) const {
SkASSERT(fGpu->glCaps().shaderCaps()->pathRenderingSupport());
const PathProcVarying& fragmentInput = fPathProcVaryings[u.toIndex()];
SkASSERT((components == 2 && (fragmentInput.fType == kFloat2_GrSLType ||
fragmentInput.fType == kHalf2_GrSLType)) ||
(components == 3 && (fragmentInput.fType == kFloat3_GrSLType ||
fragmentInput.fType == kHalf3_GrSLType)));
fGpu->glPathRendering()->setProgramPathFragmentInputTransform(fProgramID,
fragmentInput.fLocation,
GR_GL_OBJECT_LINEAR,
components,
matrix);
}
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