Created
July 26, 2017 20:46
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/** | |
* @file | |
*/ | |
#pragma once | |
#include "compute/Shader.h" | |
#include "core/Singleton.h" | |
namespace compute { | |
class TestShader : public compute::Shader { | |
private: | |
using Super = compute::Shader; | |
int _setupCalls = 0; | |
mutable compute::Id _buffer_example_buf = compute::InvalidId; | |
mutable compute::Id _buffer_example_buf2 = compute::InvalidId; | |
compute::Id _kernelexample = compute::InvalidId; | |
mutable compute::Id _buffer_example2_buf = compute::InvalidId; | |
mutable compute::Id _buffer_example2_buf2 = compute::InvalidId; | |
compute::Id _kernelexample2 = compute::InvalidId; | |
compute::Id _kernelvector_add = compute::InvalidId; | |
public: | |
static inline TestShader& getInstance() { | |
return core::Singleton<TestShader>::getInstance(); | |
} | |
struct Data { | |
int foo; | |
char foo2; | |
float foo3; | |
float foo4[4]; | |
}; | |
/** | |
* @brief Load the vertex and fragment shaders and verifies that its attributes and uniforms are used. | |
* @note If an attribute or an uniform isn't active, a message will be printed about that fact - but | |
* the setup process won't fail. | |
*/ | |
bool setup() override { | |
++_setupCalls; | |
if (_initialized) { | |
return true; | |
} | |
if (!init()) { | |
return false; | |
} | |
if (!loadProgram("shaders/test")) { | |
return false; | |
} | |
_kernelexample = compute::createKernel(_program, "example"); | |
_kernelexample2 = compute::createKernel(_program, "example2"); | |
_kernelvector_add = compute::createKernel(_program, "vector_add"); | |
return true; | |
} | |
void shutdown() override { | |
if (_setupCalls == 0) { | |
return; | |
} | |
--_setupCalls; | |
if (_setupCalls > 0) { | |
return; | |
} | |
compute::deleteBuffer(_buffer_example_buf); | |
compute::deleteBuffer(_buffer_example_buf2); | |
compute::deleteKernel(_kernelexample); | |
compute::deleteBuffer(_buffer_example2_buf); | |
compute::deleteBuffer(_buffer_example2_buf2); | |
compute::deleteKernel(_kernelexample2); | |
compute::deleteKernel(_kernelvector_add); | |
Super::shutdown(); | |
} | |
bool example(const char* buf, size_t bufSize, char* buf2, size_t buf2Size, int workSize, int workDim) const { | |
core_assert(workSize % workDim == 0); | |
if (_buffer_example_buf == InvalidId) { | |
_buffer_example_buf = compute::createBuffer(compute::BufferFlag::ReadOnly, bufSize, const_cast<char*>(buf)); | |
} else { | |
compute::updateBuffer(_buffer_example_buf, bufSize, buf); | |
} | |
compute::kernelArg(_kernelexample, 0, _buffer_example_buf); | |
if (_buffer_example_buf2 == InvalidId) { | |
_buffer_example_buf2 = compute::createBuffer(compute::BufferFlag::ReadWrite, buf2Size, buf2); | |
} else { | |
compute::updateBuffer(_buffer_example_buf2, buf2Size, buf2); | |
} | |
compute::kernelArg(_kernelexample, 1, _buffer_example_buf2); | |
const bool state = compute::kernelRun(_kernelexample, workSize, workDim); | |
compute::readBuffer(_buffer_example_buf2, buf2Size, buf2); | |
return state; | |
} | |
bool example2(const char* buf, size_t bufSize, char* buf2, size_t buf2Size, int N, int workSize, int workDim) const { | |
core_assert(workSize % workDim == 0); | |
if (_buffer_example2_buf == InvalidId) { | |
_buffer_example2_buf = compute::createBuffer(compute::BufferFlag::ReadOnly, bufSize, const_cast<char*>(buf)); | |
} else { | |
compute::updateBuffer(_buffer_example2_buf, bufSize, buf); | |
} | |
compute::kernelArg(_kernelexample2, 0, _buffer_example2_buf); | |
if (_buffer_example2_buf2 == InvalidId) { | |
_buffer_example2_buf2 = compute::createBuffer(compute::BufferFlag::ReadWrite, buf2Size, buf2); | |
} else { | |
compute::updateBuffer(_buffer_example2_buf2, buf2Size, buf2); | |
} | |
compute::kernelArg(_kernelexample2, 1, _buffer_example2_buf2); | |
compute::kernelArg(_kernelexample2, 2, N); | |
const bool state = compute::kernelRun(_kernelexample2, workSize, workDim); | |
compute::readBuffer(_buffer_example2_buf2, buf2Size, buf2); | |
return state; | |
} | |
bool vector_add(const int *A, const int *B, int *C, int workSize, int workDim) const { | |
core_assert(workSize % workDim == 0); | |
compute::kernelArg(_kernelvector_add, 0, *A); | |
compute::kernelArg(_kernelvector_add, 1, *B); | |
compute::kernelArg(_kernelvector_add, 2, *C); | |
const bool state = compute::kernelRun(_kernelvector_add, workSize, workDim); | |
return state; | |
} | |
}; | |
typedef std::shared_ptr<TestShader> TestShaderPtr; | |
}; |
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