1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
// 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 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 "DirectX12";
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 "?!?";
}
}
SLANG_GFX_API SlangResult SLANG_MCALL gfxCreateRenderer(const IRenderer::Desc* desc, IRenderer** outRenderer)
{
switch (desc->rendererType)
{
#if SLANG_WINDOWS_FAMILY
case RendererType::DirectX11:
{
return createD3D11Renderer(desc, outRenderer);
}
case RendererType::DirectX12:
{
return createD3D12Renderer(desc, outRenderer);
}
case RendererType::OpenGl:
{
return createGLRenderer(desc, outRenderer);
}
case RendererType::Vulkan:
{
return createVKRenderer(desc, outRenderer);
}
case RendererType::CUDA:
{
return createCUDARenderer(desc, outRenderer);
}
#endif
default:
return SLANG_FAIL;
}
}
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
|
