mitchellhansen/voxel-raycaster
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The settings buffer is fully operational

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This commit is contained in:
mitchellhansen
2018-02-24 21:04:29 -08:00
parent da461a0ee4
commit d2bc5e483a
4 changed files with 108 additions and 195 deletions
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116
src/CLCaster.cpp
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@@ -3,14 +3,6 @@
CLCaster::CLCaster() {}
CLCaster::~CLCaster() {
// Causes sigabrt??
//release_map();
//release_camera();
//release_octree();
//clReleaseKernel(kernel_map.at("raycaster"));
//clReleaseProgram()
//release_viewport();
delete[] viewport_matrix;
delete[] viewport_image;
@@ -64,12 +56,11 @@ bool CLCaster::init() {
return false;
}
if (!compile_kernel("../kernels/ray_caster_kernel.cl", true, "raycaster")) {
Logger::log("Failed to compile the kernel", Logger::LogLevel::ERROR, __LINE__, __FILE__);
std::cin.get(); // hang the output window so we can read the error
return false;
}
if (!create_settings_buffer()) {
Logger::log("Failed to create settings buffer", Logger::LogLevel::ERROR, __LINE__, __FILE__);
return false;
}
srand(time(nullptr));
int *seed_memory = new int[1920*1080];
@@ -117,8 +108,8 @@ bool CLCaster::assign_octree(std::shared_ptr<Map> map) {
return false;
if (!create_buffer("octree_attachment_buffer", map->octree.buffer_size * sizeof(uint64_t), map->octree.attachment_buffer))
return false;
if (!create_buffer("settings_buffer", sizeof(uint64_t), &map->octree.root_index))
return false;
add_to_settings_buffer("octree_root_index", "OCTREE_ROOT_INDEX", (int64_t*)&map->octree.root_index);
return true;
}
@@ -134,8 +125,6 @@ bool CLCaster::release_octree()
return false;
if (!release_buffer("octree_attachment_buffer"))
return false;
if (!release_buffer("settings_buffer"))
return false;
return true;
}
@@ -166,6 +155,12 @@ bool CLCaster::release_camera() {
bool CLCaster::validate() {
if (!compile_kernel("../kernels/ray_caster_kernel.cl", true, "raycaster")) {
Logger::log("Failed to compile the kernel", Logger::LogLevel::ERROR, __LINE__, __FILE__);
std::cin.get(); // hang the output window so we can read the error
return false;
}
Logger::log("Validating OpenCL kernel args", Logger::LogLevel::INFO);
// Check to make sure everything has been entered
@@ -278,7 +273,7 @@ bool CLCaster::create_viewport(int width, int height, float v_fov, float h_fov)
}
}
if (!create_buffer("viewport_matrix", sizeof(float) * 4 * view_res.x * view_res.y, viewport_matrix, CL_MEM_USE_HOST_PTR))
if (!create_buffer("viewport_matrix", sizeof(float) * 4 * view_res.x * view_res.y, viewport_matrix))
return false;
// Create the image that opencl's rays write to
@@ -635,7 +630,6 @@ bool CLCaster::create_shared_context()
0
};
#elif defined TARGET_OS_MAC
CGLContextObj glContext = CGLGetCurrentContext();
@@ -648,8 +642,6 @@ bool CLCaster::create_shared_context()
#endif
// Create our shared context
context = clCreateContext(
context_properties,
@@ -718,7 +710,6 @@ bool CLCaster::compile_kernel(std::string kernel_source, bool is_path, std::stri
Logger::log("Failed at clCreateProgramWithSource() :" + cl_err_lookup(error), Logger::LogLevel::ERROR, __LINE__, __FILE__);
return false;
}
std::stringstream build_string_stream;
@@ -727,7 +718,6 @@ bool CLCaster::compile_kernel(std::string kernel_source, bool is_path, std::stri
build_string_stream << " -D" << define.first << "=" << define.second;
}
//build_string_stream << "-DOCTDIM=" << std::to_string(Application::MAP_X);
build_string_stream << " -cl-finite-math-only -cl-fast-relaxed-math -cl-unsafe-math-optimizations";
std::string build_string = build_string_stream.str();
@@ -1177,14 +1167,63 @@ std::string CLCaster::cl_err_lookup(int error_code) {
}
void CLCaster::setDefine(std::string name, std::string value) {
void CLCaster::set_define(std::string name, std::string value) {
defines_map[name] = value;
}
void CLCaster::removeDefine(std::string name) {
void CLCaster::remove_define(std::string name) {
defines_map.erase(name);
}
bool CLCaster::add_to_settings_buffer(std::string setting_name, std::string define_accessor_name, int64_t *value) {
bool success = true;
if (settings_buffer == nullptr){
Logger::log("Trying to push settings to an uninitialized settings buffer", Logger::LogLevel::ERROR, __LINE__, __FILE__);
success = false;
} else if (defines_map.count(define_accessor_name)) {
Logger::log("Define name already present in the defines map", Logger::LogLevel::ERROR, __LINE__, __FILE__);
success = false;
} else {
if (settings_buffer_position < SETTINGS_BUFFER_SIZE) {
defines_map[define_accessor_name] = std::to_string(settings_buffer_position);
settings_buffer[settings_buffer_position] = *value;
settings_buffer_position++;
} else {
Logger::log("Settings buffer has reached the maximum size of " + std::to_string(SETTINGS_BUFFER_SIZE) + " elements", Logger::LogLevel::ERROR, __LINE__, __FILE__);
success = false;
}
}
return success;
}
bool CLCaster::create_settings_buffer() {
settings_buffer = new int64_t[SETTINGS_BUFFER_SIZE];
if (!create_buffer("settings_buffer", sizeof(int64_t) * SETTINGS_BUFFER_SIZE, settings_buffer, CL_MEM_USE_HOST_PTR))
return false;
return true;
}
bool CLCaster::remove_from_settings_buffer(std::string setting_name) {
Logger::log("remove_from_settings_buffer() not implimented", Logger::LogLevel::WARN, __LINE__, __FILE__);
return false;
}
bool CLCaster::release_settings_buffer() {
if (!release_buffer("settings_buffer"))
return false;
return true;
}
CLCaster::device::device(cl_device_id device_id, cl_platform_id platform_id) {
@@ -1237,26 +1276,25 @@ CLCaster::device::device(const device& d) {
void CLCaster::device::print(std::ostream& stream) const {
stream << "\n\tDevice ID : " << device_id << std::endl;
stream << "\tDevice Name : " << data.device_name << std::endl;
stream << "\tPlatform ID : " << platform_id << std::endl;
stream << "\tPlatform ID : " << platform_id << std::endl;
stream << "\tPlatform Name : " << data.platform_name << std::endl;
stream << "\tDevice Name : " << data.device_name << std::endl;
stream << "\tPlatform Name : " << data.platform_name << std::endl;
stream << "\tDevice Type : ";
stream << "\tOpenCL Version : " << data.opencl_version << std::endl;
stream << "\tSupports sharing : " << std::boolalpha << cl_gl_sharing << std::endl;
stream << "\tDevice Type : ";
if (data.device_type == CL_DEVICE_TYPE_CPU)
stream << "CPU" << std::endl;
if (data.device_type == CL_DEVICE_TYPE_CPU)
stream << "CPU" << std::endl;
else if (data.device_type == CL_DEVICE_TYPE_GPU)
stream << "GPU" << std::endl;
else if (data.device_type == CL_DEVICE_TYPE_GPU)
stream << "GPU" << std::endl;
else if (data.device_type == CL_DEVICE_TYPE_ACCELERATOR)
stream << "Accelerator" << std::endl;
else if (data.device_type == CL_DEVICE_TYPE_ACCELERATOR)
stream << "Accelerator" << std::endl;
stream << "\tOpenCL Version : " << data.opencl_version << std::endl;
stream << "\tSupports sharing : " << std::boolalpha << cl_gl_sharing << std::endl;
stream << "\tIs Little Endian : " << std::boolalpha << is_little_endian << std::endl;
stream << "\tClock Frequency : " << data.clock_frequency << std::endl;
stream << "\tCompute Units : " << data.compute_units << std::endl;