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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 <cstring>
namespace gfx {
using namespace Slang;
static const IResource::DescBase s_emptyDescBase = {};
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Global Renderer Functions !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
static const uint8_t s_formatSize[] = {
0, // Unknown,
uint8_t(sizeof(float) * 4), // RGBA_Float32,
uint8_t(sizeof(float) * 3), // RGB_Float32,
uint8_t(sizeof(float) * 2), // RG_Float32,
uint8_t(sizeof(float) * 1), // R_Float32,
uint8_t(sizeof(uint32_t)), // RGBA_Unorm_UInt8,
uint8_t(sizeof(uint32_t)), // BGRA_Unorm_UInt8,
uint8_t(sizeof(uint16_t)), // R_UInt16,
uint8_t(sizeof(uint32_t)), // R_UInt32,
uint8_t(sizeof(float)), // D_Float32,
uint8_t(sizeof(uint32_t)), // D_Unorm24_S8,
};
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 SlangResult SLANG_MCALL
gfxCreateDevice(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 (gfxCreateDevice(&newDesc, outDevice) == SLANG_OK)
return SLANG_OK;
newDesc.deviceType = DeviceType::Vulkan;
if (gfxCreateDevice(&newDesc, outDevice) == SLANG_OK)
return SLANG_OK;
newDesc.deviceType = DeviceType::DirectX11;
if (gfxCreateDevice(&newDesc, outDevice) == SLANG_OK)
return SLANG_OK;
newDesc.deviceType = DeviceType::OpenGl;
if (gfxCreateDevice(&newDesc, outDevice) == SLANG_OK)
return SLANG_OK;
return SLANG_FAIL;
}
break;
#endif
default:
return SLANG_FAIL;
}
}
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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