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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(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 const BindingStyle s_rendererTypeToBindingStyle[] = {
BindingStyle::Unknown, // Unknown,
BindingStyle::DirectX, // DirectX11,
BindingStyle::DirectX, // DirectX12,
BindingStyle::OpenGl, // OpenGl,
BindingStyle::Vulkan, // Vulkan
BindingStyle::CPU, // CPU
BindingStyle::CUDA, // CUDA
};
static void _compileTimeAsserts()
{
SLANG_COMPILE_TIME_ASSERT(SLANG_COUNT_OF(s_formatSize) == int(Format::CountOf));
SLANG_COMPILE_TIME_ASSERT(
SLANG_COUNT_OF(s_rendererTypeToBindingStyle) == int(RendererType::CountOf));
}
extern "C"
{
size_t SLANG_MCALL gfxGetFormatSize(Format format)
{
return s_formatSize[int(format)];
}
BindingStyle SLANG_MCALL gfxGetBindingStyle(RendererType type)
{
return s_rendererTypeToBindingStyle[int(type)];
}
const char* SLANG_MCALL gfxGetRendererName(RendererType type)
{
switch (type)
{
case RendererType::DirectX11:
return "DirectX11";
case RendererType::DirectX12:
return "DirectX11";
case RendererType::OpenGl:
return "OpenGL";
case RendererType::Vulkan:
return "Vulkan";
case RendererType::Unknown:
return "Unknown";
case RendererType::CPU:
return "CPU";
case RendererType::CUDA:
return "CUDA";
default:
return "?!?";
}
}
SGRendererCreateFunc SLANG_MCALL gfxGetCreateFunc(RendererType type)
{
switch (type)
{
#if SLANG_WINDOWS_FAMILY
case RendererType::DirectX11:
{
return &createD3D11Renderer;
}
case RendererType::DirectX12:
{
return &createD3D12Renderer;
}
case RendererType::OpenGl:
{
return &createGLRenderer;
}
case RendererType::Vulkan:
{
return &createVKRenderer;
}
case RendererType::CUDA:
{
return &createCUDARenderer;
}
#endif
default:
return nullptr;
}
}
ProjectionStyle SLANG_MCALL gfxGetProjectionStyle(RendererType type)
{
switch (type)
{
case RendererType::DirectX11:
case RendererType::DirectX12:
{
return ProjectionStyle::DirectX;
}
case RendererType::OpenGl:
return ProjectionStyle::OpenGl;
case RendererType::Vulkan:
return ProjectionStyle::Vulkan;
case RendererType::Unknown:
return ProjectionStyle::Unknown;
default:
{
assert(!"Unhandled type");
return ProjectionStyle::Unknown;
}
}
}
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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