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
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
|
#pragma once
#include <cstdint>
#include <tuple>
#include <array>
#include <mbgl/gl/gl.hpp>
#include <mbgl/util/color.hpp>
namespace mbgl {
namespace gl {
struct ClearDepth {
using Type = GLfloat;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glClearDepth(value));
}
inline static Type Get() {
Type clearDepth;
MBGL_CHECK_ERROR(glGetFloatv(GL_DEPTH_CLEAR_VALUE, &clearDepth));
return clearDepth;
}
};
struct ClearColor {
using Type = Color;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glClearColor(value.r, value.g, value.b, value.a));
}
inline static Type Get() {
GLfloat floats[4];
MBGL_CHECK_ERROR(glGetFloatv(GL_COLOR_CLEAR_VALUE, floats));
return { floats[0], floats[1], floats[2], floats[3] };
}
};
struct ClearStencil {
using Type = GLint;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glClearStencil(value));
}
inline static Type Get() {
Type clearStencil;
MBGL_CHECK_ERROR(glGetIntegerv(GL_STENCIL_CLEAR_VALUE, &clearStencil));
return clearStencil;
}
};
struct StencilMask {
using Type = GLuint;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glStencilMask(value));
}
inline static Type Get() {
GLint stencilMask;
MBGL_CHECK_ERROR(glGetIntegerv(GL_STENCIL_WRITEMASK, &stencilMask));
return stencilMask;
}
};
struct DepthMask {
using Type = GLboolean;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glDepthMask(value));
}
inline static Type Get() {
Type depthMask;
MBGL_CHECK_ERROR(glGetBooleanv(GL_DEPTH_WRITEMASK, &depthMask));
return depthMask;
}
};
struct ColorMask {
struct Type { bool r, g, b, a; };
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glColorMask(value.r, value.g, value.b, value.a));
}
inline static Type Get() {
GLboolean bools[4];
MBGL_CHECK_ERROR(glGetBooleanv(GL_COLOR_WRITEMASK, bools));
return { static_cast<bool>(bools[0]), static_cast<bool>(bools[1]),
static_cast<bool>(bools[2]), static_cast<bool>(bools[3]) };
}
};
inline bool operator!=(const ColorMask::Type& a, const ColorMask::Type& b) {
return a.r != b.r || a.g != b.g || a.b != b.b || a.a != b.a;
}
struct StencilFunc {
struct Type { GLenum func; GLint ref; GLuint mask; };
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glStencilFunc(value.func, value.ref, value.mask));
}
inline static Type Get() {
GLint func, ref, mask;
MBGL_CHECK_ERROR(glGetIntegerv(GL_STENCIL_FUNC, &func));
MBGL_CHECK_ERROR(glGetIntegerv(GL_STENCIL_REF, &ref));
MBGL_CHECK_ERROR(glGetIntegerv(GL_STENCIL_VALUE_MASK, &mask));
return { static_cast<GLenum>(func), ref, static_cast<GLuint>(mask) };
}
};
inline bool operator!=(const StencilFunc::Type& a, const StencilFunc::Type& b) {
return a.func != b.func || a.ref != b.ref || a.mask != b.mask;
}
struct StencilTest {
using Type = bool;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(value ? glEnable(GL_STENCIL_TEST) : glDisable(GL_STENCIL_TEST));
}
inline static Type Get() {
Type stencilTest;
MBGL_CHECK_ERROR(stencilTest = glIsEnabled(GL_STENCIL_TEST));
return stencilTest;
}
};
struct StencilOp {
struct Type { GLenum sfail, dpfail, dppass; };
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glStencilOp(value.sfail, value.dpfail, value.dppass));
}
inline static Type Get() {
GLint sfail, dpfail, dppass;
MBGL_CHECK_ERROR(glGetIntegerv(GL_STENCIL_FAIL, &sfail));
MBGL_CHECK_ERROR(glGetIntegerv(GL_STENCIL_PASS_DEPTH_FAIL, &dpfail));
MBGL_CHECK_ERROR(glGetIntegerv(GL_STENCIL_PASS_DEPTH_PASS, &dppass));
return { static_cast<GLenum>(sfail), static_cast<GLenum>(dpfail), static_cast<GLuint>(dppass) };
}
};
struct DepthRange {
struct Type { GLfloat near, far; };
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glDepthRange(value.near, value.far));
}
inline static Type Get() {
GLfloat floats[2];
MBGL_CHECK_ERROR(glGetFloatv(GL_DEPTH_RANGE, floats));
return { floats[0], floats[1] };
}
};
inline bool operator!=(const DepthRange::Type& a, const DepthRange::Type& b) {
return a.near != b.near || a.far != b.far;
}
struct DepthTest {
using Type = bool;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(value ? glEnable(GL_DEPTH_TEST) : glDisable(GL_DEPTH_TEST));
}
inline static Type Get() {
Type depthTest;
MBGL_CHECK_ERROR(depthTest = glIsEnabled(GL_DEPTH_TEST));
return depthTest;
}
};
struct DepthFunc {
using Type = GLenum;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glDepthFunc(value));
}
inline static Type Get() {
GLint depthFunc;
MBGL_CHECK_ERROR(glGetIntegerv(GL_DEPTH_FUNC, &depthFunc));
return depthFunc;
}
};
struct Blend {
using Type = bool;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(value ? glEnable(GL_BLEND) : glDisable(GL_BLEND));
}
inline static Type Get() {
Type blend;
MBGL_CHECK_ERROR(blend = glIsEnabled(GL_BLEND));
return blend;
}
};
struct BlendFunc {
struct Type { GLenum sfactor, dfactor; };
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glBlendFunc(value.sfactor, value.dfactor));
}
inline static Type Get() {
GLint sfactor, dfactor;
MBGL_CHECK_ERROR(glGetIntegerv(GL_BLEND_SRC_ALPHA, &sfactor));
MBGL_CHECK_ERROR(glGetIntegerv(GL_BLEND_DST_ALPHA, &dfactor));
return { static_cast<GLenum>(sfactor), static_cast<GLenum>(dfactor) };
}
};
struct Program {
using Type = GLuint;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glUseProgram(value));
}
inline static Type Get() {
GLint program;
MBGL_CHECK_ERROR(glGetIntegerv(GL_CURRENT_PROGRAM, &program));
return program;
}
};
struct LineWidth {
using Type = GLfloat;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glLineWidth(value));
}
inline static Type Get() {
Type lineWidth;
MBGL_CHECK_ERROR(glGetFloatv(GL_LINE_WIDTH, &lineWidth));
return lineWidth;
}
};
struct ActiveTexture {
using Type = GLint;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glActiveTexture(value));
}
inline static Type Get() {
Type activeTexture;
MBGL_CHECK_ERROR(glGetIntegerv(GL_ACTIVE_TEXTURE, &activeTexture));
return activeTexture;
}
};
#ifndef GL_ES_VERSION_2_0
struct PixelZoom {
struct Type { GLfloat xfactor; GLfloat yfactor; };
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glPixelZoom(value.xfactor, value.yfactor));
}
inline static Type Get() {
Type value;
MBGL_CHECK_ERROR(glGetFloatv(GL_ZOOM_X, &value.xfactor));
MBGL_CHECK_ERROR(glGetFloatv(GL_ZOOM_Y, &value.yfactor));
return value;
}
};
inline bool operator!=(const PixelZoom::Type& a, const PixelZoom::Type& b) {
return a.xfactor != b.xfactor || a.yfactor != b.yfactor;
}
struct RasterPos {
using Type = std::array<GLdouble, 4>;
static const Type Default;
inline static void Set(const Type& value) {
MBGL_CHECK_ERROR(glRasterPos4d(value[0], value[1], value[2], value[3]));
}
inline static Type Get() {
Type pos;
MBGL_CHECK_ERROR(glGetDoublev(GL_CURRENT_RASTER_POSITION, pos.data()));
return pos;
}
};
#endif // GL_ES_VERSION_2_0
} // namespace gl
} // namespace mbgl
|
