obs-StreamFX/source/nvidia/cuda/nvidia-cuda-gs-texture.cpp

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// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2020-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// Copyright (C) 2022 lainon <GermanAizek@yandex.ru>
// AUTOGENERATED COPYRIGHT HEADER END
#include "nvidia-cuda-gs-texture.hpp"
#include "obs/gs/gs-helper.hpp"
#include "util/util-logging.hpp"
#ifdef _DEBUG
#define ST_PREFIX "<%s> "
#define D_LOG_ERROR(x, ...) P_LOG_ERROR(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#define D_LOG_WARNING(x, ...) P_LOG_WARN(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#define D_LOG_INFO(x, ...) P_LOG_INFO(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#define D_LOG_DEBUG(x, ...) P_LOG_DEBUG(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#else
#define ST_PREFIX "<nvidia::cuda::gstexture> "
#define D_LOG_ERROR(...) P_LOG_ERROR(ST_PREFIX __VA_ARGS__)
#define D_LOG_WARNING(...) P_LOG_WARN(ST_PREFIX __VA_ARGS__)
#define D_LOG_INFO(...) P_LOG_INFO(ST_PREFIX __VA_ARGS__)
#define D_LOG_DEBUG(...) P_LOG_DEBUG(ST_PREFIX __VA_ARGS__)
#endif
streamfx::nvidia::cuda::gstexture::~gstexture()
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{
D_LOG_DEBUG("Finalizing... (Addr: 0x%" PRIuPTR ")", this);
unmap();
_cuda->cuGraphicsUnregisterResource(_resource);
}
streamfx::nvidia::cuda::gstexture::gstexture(std::shared_ptr<streamfx::obs::gs::texture> texture) : _cuda(::streamfx::nvidia::cuda::cuda::get()), _texture(texture), _resource(), _is_mapped(false), _pointer()
{
D_LOG_DEBUG("Initializating... (Addr: 0x%" PRIuPTR ")", this);
if (!texture)
throw std::invalid_argument("texture");
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streamfx::obs::gs::context gctx;
int dev_type = gs_get_device_type();
if (dev_type == GS_DEVICE_OPENGL) {
// ToDo
}
#ifdef WIN32
if (dev_type == GS_DEVICE_DIRECT3D_11) {
ID3D11Resource* resource = nullptr;
switch (_texture->get_type()) {
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case streamfx::obs::gs::texture::type::Cube:
case streamfx::obs::gs::texture::type::Volume:
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case streamfx::obs::gs::texture::type::Normal: {
resource = static_cast<ID3D11Resource*>(gs_texture_get_obj(_texture->get_object()));
break;
}
}
if (!resource) {
throw std::runtime_error("nvidia::cuda::gstexture: Failed to get resource from gs::texture.");
}
switch (_cuda->cuGraphicsD3D11RegisterResource(&_resource, resource, 0)) {
case streamfx::nvidia::cuda::result::SUCCESS:
break;
default:
throw std::runtime_error("nvidia::cuda::gstexture: Failed to register resource.");
}
}
#endif
}
streamfx::nvidia::cuda::array_t streamfx::nvidia::cuda::gstexture::map(std::shared_ptr<streamfx::nvidia::cuda::stream> stream)
{
if (_is_mapped) {
return _pointer;
}
graphics_resource_t resources[] = {_resource};
switch (_cuda->cuGraphicsMapResources(1, resources, stream->get())) {
case streamfx::nvidia::cuda::result::SUCCESS:
break;
default:
throw std::runtime_error("nvidia::cuda::gstexture: Mapping failed.");
}
_stream = std::move(stream);
_is_mapped = true;
switch (_cuda->cuGraphicsSubResourceGetMappedArray(&_pointer, _resource, 0, 0)) {
case streamfx::nvidia::cuda::result::SUCCESS:
break;
default:
unmap();
throw std::runtime_error("nvidia::cuda::gstexture: Mapping pointer failed.");
}
return _pointer;
}
void streamfx::nvidia::cuda::gstexture::unmap()
{
if (!_is_mapped)
return;
graphics_resource_t resources[] = {_resource};
switch (_cuda->cuGraphicsUnmapResources(1, resources, _stream->get())) {
case streamfx::nvidia::cuda::result::SUCCESS:
break;
default:
throw std::runtime_error("nvidia::cuda::gstexture: Unmapping failed.");
}
_is_mapped = false;
_pointer = nullptr;
_stream.reset();
}
std::shared_ptr<streamfx::obs::gs::texture> streamfx::nvidia::cuda::gstexture::get_texture()
{
return _texture;
}
::streamfx::nvidia::cuda::graphics_resource_t streamfx::nvidia::cuda::gstexture::get()
{
return _resource;
}