aboutsummaryrefslogtreecommitdiff
path: root/src/brussel.engine/GraphicsTags.cpp
blob: 83d52f80ba488563053ddb8fbc5db94cba0172f9 (plain)
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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
#include "GraphicsTags.hpp"

#include <robin_hood.h>
#include <cstddef>
#include <cstdint>

using namespace std::literals;

int Tags::SizeOf(VertexElementType type) {
	switch (type) {
		case VET_Float1:
			return sizeof(float);
		case VET_Float2:
			return sizeof(float) * 2;
		case VET_Float3:
			return sizeof(float) * 3;
		case VET_Float4:
			return sizeof(float) * 4;
		case VET_Double1:
			return sizeof(double);
		case VET_Double2:
			return sizeof(double) * 2;
		case VET_Double3:
			return sizeof(double) * 3;
		case VET_Double4:
			return sizeof(double) * 4;
		case VET_Short2:
		case VET_Short2Norm:
		case VET_Ushort2:
		case VET_Ushort2Norm:
			return sizeof(short) * 2;
		case VET_Short4:
		case VET_Short4Norm:
		case VET_Ushort4:
		case VET_Ushort4Norm:
			return sizeof(short) * 4;
		case VET_Int1:
		case VET_Uint1:
			return sizeof(int);
		case VET_Int2:
		case VET_Uint2:
			return sizeof(int) * 2;
		case VET_Int3:
		case VET_Uint3:
			return sizeof(int) * 3;
		case VET_Int4:
		case VET_Uint4:
			return sizeof(int) * 4;
		case VET_Byte4:
		case VET_Byte4Norm:
		case VET_Ubyte4:
		case VET_Ubyte4Norm:
			return sizeof(char) * 4;
	}
	return 0;
}

int Tags::VectorLenOf(VertexElementType type) {
	switch (type) {
		case VET_Float1:
		case VET_Double1:
		case VET_Int1:
		case VET_Uint1:
			return 1;
		case VET_Float2:
		case VET_Double2:
		case VET_Short2:
		case VET_Short2Norm:
		case VET_Ushort2:
		case VET_Ushort2Norm:
		case VET_Int2:
		case VET_Uint2:
			return 2;
		case VET_Float3:
		case VET_Double3:
		case VET_Int3:
		case VET_Uint3:
			return 3;
		case VET_Float4:
		case VET_Double4:
		case VET_Short4:
		case VET_Short4Norm:
		case VET_Ushort4:
		case VET_Ushort4Norm:
		case VET_Int4:
		case VET_Uint4:
		case VET_Byte4:
		case VET_Byte4Norm:
		case VET_Ubyte4:
		case VET_Ubyte4Norm:
			return 4;
	}
	return 0;
}

GLenum Tags::FindGLType(VertexElementType type) {
	switch (type) {
		case VET_Float1:
		case VET_Float2:
		case VET_Float3:
		case VET_Float4:
			return GL_FLOAT;
		case VET_Double1:
		case VET_Double2:
		case VET_Double3:
		case VET_Double4:
			return GL_DOUBLE;
		case VET_Short2:
		case VET_Short2Norm:
		case VET_Short4:
		case VET_Short4Norm:
			return GL_SHORT;
		case VET_Ushort2:
		case VET_Ushort2Norm:
		case VET_Ushort4:
		case VET_Ushort4Norm:
			return GL_UNSIGNED_SHORT;
		case VET_Int1:
		case VET_Int2:
		case VET_Int3:
		case VET_Int4:
			return GL_INT;
		case VET_Uint1:
		case VET_Uint2:
		case VET_Uint3:
		case VET_Uint4:
			return GL_UNSIGNED_INT;
		case VET_Byte4:
		case VET_Byte4Norm:
			return GL_BYTE;
		case VET_Ubyte4:
		case VET_Ubyte4Norm:
			return GL_UNSIGNED_BYTE;
	}
	return 0;
}

bool Tags::IsNormalized(VertexElementType type) {
	return type >= VET_NORM_BEGIN && type <= VET_NORM_END;
}

int Tags::SizeOf(IndexType type) {
	switch (type) {
		case IT_16Bit: return sizeof(uint16_t);
		case IT_32Bit: return sizeof(uint32_t);
	}
	return 0;
}

GLenum Tags::FindGLType(IndexType type) {
	switch (type) {
		case IT_16Bit: return GL_UNSIGNED_SHORT;
		case IT_32Bit: return GL_UNSIGNED_BYTE;
	}
	return 0;
}

namespace ProjectBrussel_UNITY_ID {
struct GLTypeInfo {
	robin_hood::unordered_flat_map<GLenum, std::string_view> enum2Name;
	robin_hood::unordered_flat_map<std::string_view, GLenum> name2Enum;

	GLTypeInfo() {
		InsertEntry("float"sv, GL_FLOAT);
		InsertEntry("double"sv, GL_DOUBLE);
		InsertEntry("int"sv, GL_INT);
		InsertEntry("uint"sv, GL_UNSIGNED_INT);
		InsertEntry("bool"sv, GL_BOOL);

		InsertEntry("vec2"sv, GL_FLOAT_VEC2);
		InsertEntry("vec3"sv, GL_FLOAT_VEC3);
		InsertEntry("vec4"sv, GL_FLOAT_VEC4);
		InsertEntry("dvec2"sv, GL_DOUBLE_VEC2);
		InsertEntry("dvec3"sv, GL_DOUBLE_VEC3);
		InsertEntry("dvec4"sv, GL_DOUBLE_VEC4);
		InsertEntry("ivec2"sv, GL_INT_VEC2);
		InsertEntry("ivec3"sv, GL_INT_VEC3);
		InsertEntry("ivec4"sv, GL_INT_VEC4);
		InsertEntry("uvec2"sv, GL_UNSIGNED_INT_VEC2);
		InsertEntry("uvec3"sv, GL_UNSIGNED_INT_VEC3);
		InsertEntry("uvec4"sv, GL_UNSIGNED_INT_VEC4);
		InsertEntry("bvec2"sv, GL_BOOL_VEC2);
		InsertEntry("bvec3"sv, GL_BOOL_VEC3);
		InsertEntry("bvec4"sv, GL_BOOL_VEC4);

		InsertEntry("mat2"sv, GL_FLOAT_MAT2);
		InsertEntry("mat3"sv, GL_FLOAT_MAT3);
		InsertEntry("mat4"sv, GL_FLOAT_MAT4);
		InsertEntry("mat2x3"sv, GL_FLOAT_MAT2x3);
		InsertEntry("mat2x4"sv, GL_FLOAT_MAT2x4);
		InsertEntry("mat3x2"sv, GL_FLOAT_MAT3x2);
		InsertEntry("mat3x4"sv, GL_FLOAT_MAT3x4);
		InsertEntry("mat4x2"sv, GL_FLOAT_MAT4x2);
		InsertEntry("mat4x3"sv, GL_FLOAT_MAT4x3);

		InsertEntry("dmat2"sv, GL_DOUBLE_MAT2);
		InsertEntry("dmat3"sv, GL_DOUBLE_MAT3);
		InsertEntry("dmat4"sv, GL_DOUBLE_MAT4);
		InsertEntry("dmat2x3"sv, GL_DOUBLE_MAT2x3);
		InsertEntry("dmat2x4"sv, GL_DOUBLE_MAT2x4);
		InsertEntry("dmat3x2"sv, GL_DOUBLE_MAT3x2);
		InsertEntry("dmat3x4"sv, GL_DOUBLE_MAT3x4);
		InsertEntry("dmat4x2"sv, GL_DOUBLE_MAT4x2);
		InsertEntry("dmat4x3"sv, GL_DOUBLE_MAT4x3);

		InsertEntry("sampler1D"sv, GL_SAMPLER_1D);
		InsertEntry("sampler2D"sv, GL_SAMPLER_2D);
		InsertEntry("sampler3D"sv, GL_SAMPLER_3D);
		InsertEntry("samplerCube"sv, GL_SAMPLER_CUBE);
		InsertEntry("sampler1DShadow"sv, GL_SAMPLER_1D_SHADOW);
		InsertEntry("sampler2DShadow"sv, GL_SAMPLER_2D_SHADOW);
		InsertEntry("sampler1DArray"sv, GL_SAMPLER_1D_ARRAY);
		InsertEntry("sampler2DArray"sv, GL_SAMPLER_2D_ARRAY);
		InsertEntry("sampler1DArrayShadow"sv, GL_SAMPLER_1D_ARRAY_SHADOW);
		InsertEntry("sampler2DArrayShadow"sv, GL_SAMPLER_2D_ARRAY_SHADOW);
		InsertEntry("sampler2DMultisample"sv, GL_SAMPLER_2D_MULTISAMPLE);
		InsertEntry("sampler2DMultisampleArray"sv, GL_SAMPLER_2D_MULTISAMPLE_ARRAY);
		InsertEntry("samplerCubeShadow"sv, GL_SAMPLER_CUBE_SHADOW);
		InsertEntry("samplerBuffer"sv, GL_SAMPLER_BUFFER);
		InsertEntry("sampler2DRect"sv, GL_SAMPLER_2D_RECT);
		InsertEntry("sampler2DRectShadow"sv, GL_SAMPLER_2D_RECT_SHADOW);

		InsertEntry("isampler1D"sv, GL_INT_SAMPLER_1D);
		InsertEntry("isampler2D"sv, GL_INT_SAMPLER_2D);
		InsertEntry("isampler3D"sv, GL_INT_SAMPLER_3D);
		InsertEntry("isamplerCube"sv, GL_INT_SAMPLER_CUBE);
		InsertEntry("isampler1DArray"sv, GL_INT_SAMPLER_1D_ARRAY);
		InsertEntry("isampler2DArray"sv, GL_INT_SAMPLER_2D_ARRAY);
		InsertEntry("isampler2DMultisample"sv, GL_INT_SAMPLER_2D_MULTISAMPLE);
		InsertEntry("isampler2DMultisampleArray"sv, GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY);
		InsertEntry("isamplerBuffer"sv, GL_INT_SAMPLER_BUFFER);
		InsertEntry("isampler2DRect"sv, GL_INT_SAMPLER_2D_RECT);

		InsertEntry("usampler1D"sv, GL_UNSIGNED_INT_SAMPLER_1D);
		InsertEntry("usampler2D"sv, GL_UNSIGNED_INT_SAMPLER_2D);
		InsertEntry("usampler3D"sv, GL_UNSIGNED_INT_SAMPLER_3D);
		InsertEntry("usamplerCube"sv, GL_UNSIGNED_INT_SAMPLER_CUBE);
		InsertEntry("usampler1DArray"sv, GL_UNSIGNED_INT_SAMPLER_1D_ARRAY);
		InsertEntry("usampler2DArray"sv, GL_UNSIGNED_INT_SAMPLER_2D_ARRAY);
		InsertEntry("usampler2DMultisample"sv, GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE);
		InsertEntry("usampler2DMultisampleArray"sv, GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY);
		InsertEntry("usamplerBuffer"sv, GL_UNSIGNED_INT_SAMPLER_BUFFER);
		InsertEntry("usampler2DRect"sv, GL_UNSIGNED_INT_SAMPLER_2D_RECT);
	}

	void InsertEntry(std::string_view name, GLenum value) {
		enum2Name.try_emplace(value, name);
		name2Enum.try_emplace(name, value);
	}
} const kGLTypeInfo;
} // namespace ProjectBrussel_UNITY_ID

std::string_view Tags::GLTypeToString(GLenum value) {
	using namespace ProjectBrussel_UNITY_ID;
	auto iter = kGLTypeInfo.enum2Name.find(value);
	if (iter != kGLTypeInfo.enum2Name.end()) {
		return iter->second;
	} else {
		return std::string_view();
	}
}

GLenum Tags::GLTypeFromString(std::string_view name) {
	using namespace ProjectBrussel_UNITY_ID;
	auto iter = kGLTypeInfo.name2Enum.find(name);
	if (iter != kGLTypeInfo.name2Enum.end()) {
		return iter->second;
	} else {
		return 0;
	}
}

#include <generated/GraphicsTags.gs.inl>