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// render.cpp
#include "renderer-shared.h"
#include "../../source/core/slang-math.h"
#include "d3d11/render-d3d11.h"
#include "d3d12/render-d3d12.h"
#include "open-gl/render-gl.h"
#include "vulkan/render-vk.h"
#include "cuda/render-cuda.h"
#include "cpu/render-cpu.h"
#include "debug-layer.h"
#include <cstring>
namespace gfx {
using namespace Slang;
static bool debugLayerEnabled = false;
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Global Renderer Functions !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
#define GFX_FORMAT_SIZE(name, size) uint8_t(size),
static const uint8_t s_formatSize[] =
{
GFX_FORMAT(GFX_FORMAT_SIZE)
};
static bool _checkFormat()
{
Index value = 0;
Index count = 0;
// Check the values are in the same order
#define GFX_FORMAT_CHECK(name, size) count += Index(Index(Format::name) == value++);
GFX_FORMAT(GFX_FORMAT_CHECK)
const bool r = (count == Index(Format::CountOf));
SLANG_ASSERT(r);
return r;
}
// We don't make static because we will get a warning that it's unused
static const bool _checkFormatResult = _checkFormat();
struct FormatInfoMap
{
FormatInfoMap()
{
// Set all to nothing initially
for (auto& info : m_infos)
{
info.channelCount = 0;
info.channelType = SLANG_SCALAR_TYPE_NONE;
}
set(Format::RGBA_Float16, SLANG_SCALAR_TYPE_FLOAT16, 4);
set(Format::RG_Float16, SLANG_SCALAR_TYPE_FLOAT16, 2);
set(Format::R_Float16, SLANG_SCALAR_TYPE_FLOAT16, 1);
set(Format::RGBA_Float32, SLANG_SCALAR_TYPE_FLOAT32, 4);
set(Format::RGB_Float32, SLANG_SCALAR_TYPE_FLOAT32, 3);
set(Format::RG_Float32, SLANG_SCALAR_TYPE_FLOAT32, 2);
set(Format::R_Float32, SLANG_SCALAR_TYPE_FLOAT32, 1);
set(Format::R_UInt16, SLANG_SCALAR_TYPE_UINT16, 1);
set(Format::R_UInt32, SLANG_SCALAR_TYPE_UINT32, 1);
set(Format::D_Float32, SLANG_SCALAR_TYPE_FLOAT32, 1);
}
void set(Format format, SlangScalarType type, Index channelCount)
{
FormatInfo& info = m_infos[Index(format)];
info.channelCount = uint8_t(channelCount);
info.channelType = uint8_t(type);
}
const FormatInfo& get(Format format) const { return m_infos[Index(format)]; }
FormatInfo m_infos[Index(Format::CountOf)];
};
static const FormatInfoMap s_formatInfoMap;
static void _compileTimeAsserts()
{
SLANG_COMPILE_TIME_ASSERT(SLANG_COUNT_OF(s_formatSize) == int(Format::CountOf));
}
extern "C"
{
size_t SLANG_MCALL gfxGetFormatSize(Format format)
{
return s_formatSize[int(format)];
}
SLANG_GFX_API FormatInfo gfxGetFormatInfo(Format format)
{
return s_formatInfoMap.get(format);
}
SlangResult _createDevice(const IDevice::Desc* desc, IDevice** outDevice)
{
switch (desc->deviceType)
{
#if SLANG_WINDOWS_FAMILY
case DeviceType::DirectX11:
{
return createD3D11Device(desc, outDevice);
}
case DeviceType::DirectX12:
{
return createD3D12Device(desc, outDevice);
}
case DeviceType::OpenGl:
{
return createGLDevice(desc, outDevice);
}
case DeviceType::Vulkan:
{
return createVKDevice(desc, outDevice);
}
case DeviceType::CUDA:
{
return createCUDADevice(desc, outDevice);
}
case DeviceType::Default:
{
IDevice::Desc newDesc = *desc;
newDesc.deviceType = DeviceType::DirectX12;
if (_createDevice(&newDesc, outDevice) == SLANG_OK)
return SLANG_OK;
newDesc.deviceType = DeviceType::Vulkan;
if (_createDevice(&newDesc, outDevice) == SLANG_OK)
return SLANG_OK;
newDesc.deviceType = DeviceType::DirectX11;
if (_createDevice(&newDesc, outDevice) == SLANG_OK)
return SLANG_OK;
newDesc.deviceType = DeviceType::OpenGl;
if (_createDevice(&newDesc, outDevice) == SLANG_OK)
return SLANG_OK;
return SLANG_FAIL;
}
break;
#elif SLANG_LINUX_FAMILY && !defined(__CYGWIN__)
case DeviceType::Default:
case DeviceType::Vulkan:
{
return createVKDevice(desc, outDevice);
}
case DeviceType::CUDA:
{
return createCUDADevice(desc, outDevice);
}
#endif
case DeviceType::CPU:
{
return createCPUDevice(desc, outDevice);
}
break;
default:
return SLANG_FAIL;
}
}
SLANG_GFX_API SlangResult SLANG_MCALL
gfxCreateDevice(const IDevice::Desc* desc, IDevice** outDevice)
{
ComPtr<IDevice> innerDevice;
auto resultCode = _createDevice(desc, innerDevice.writeRef());
if (SLANG_FAILED(resultCode))
return resultCode;
if (!debugLayerEnabled)
{
returnComPtr(outDevice, innerDevice);
return resultCode;
}
RefPtr<DebugDevice> debugDevice = new DebugDevice();
debugDevice->baseObject = innerDevice;
returnComPtr(outDevice, debugDevice);
return resultCode;
}
SLANG_GFX_API SlangResult SLANG_MCALL gfxSetDebugCallback(IDebugCallback* callback)
{
_getDebugCallback() = callback;
return SLANG_OK;
}
SLANG_GFX_API void SLANG_MCALL gfxEnableDebugLayer()
{
debugLayerEnabled = true;
}
const char* SLANG_MCALL gfxGetDeviceTypeName(DeviceType type)
{
switch (type)
{
case gfx::DeviceType::Unknown:
return "Unknown";
case gfx::DeviceType::Default:
return "Default";
case gfx::DeviceType::DirectX11:
return "DirectX11";
case gfx::DeviceType::DirectX12:
return "DirectX12";
case gfx::DeviceType::OpenGl:
return "OpenGL";
case gfx::DeviceType::Vulkan:
return "Vulkan";
case gfx::DeviceType::CPU:
return "CPU";
case gfx::DeviceType::CUDA:
return "CUDA";
default:
return "?";
}
}
void SLANG_MCALL gfxGetIdentityProjection(ProjectionStyle style, float projMatrix[16])
{
switch (style)
{
case ProjectionStyle::DirectX:
case ProjectionStyle::OpenGl:
{
static const float kIdentity[] = {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
::memcpy(projMatrix, kIdentity, sizeof(kIdentity));
break;
}
case ProjectionStyle::Vulkan:
{
static const float kIdentity[] = {1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
::memcpy(projMatrix, kIdentity, sizeof(kIdentity));
break;
}
default:
{
assert(!"Not handled");
}
}
}
}
} // renderer_test
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