1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef UI_GL_GL_BINDINGS_H_
6 #define UI_GL_GL_BINDINGS_H_
8 // Includes the platform independent and platform dependent GL headers.
9 // Only include this in cc files. It pulls in system headers, including
10 // the X11 headers on linux, which define all kinds of macros that are
11 // liable to cause conflicts.
16 #include <EGL/eglext.h>
18 #include "base/logging.h"
19 #include "base/threading/thread_local.h"
20 #include "build/build_config.h"
21 #include "ui/gl/gl_export.h"
23 // The standard OpenGL native extension headers are also included.
25 #include <GL/wglext.h>
26 #elif defined(OS_MACOSX)
27 #include <OpenGL/OpenGL.h>
28 #elif defined(USE_X11)
30 #include <GL/glxext.h>
32 // Undefine some macros defined by X headers. This is why this file should only
33 // be included in .cc files.
40 // GLES2 defines not part of Desktop GL
41 // Shader Precision-Specified Types
42 #define GL_LOW_FLOAT 0x8DF0
43 #define GL_MEDIUM_FLOAT 0x8DF1
44 #define GL_HIGH_FLOAT 0x8DF2
45 #define GL_LOW_INT 0x8DF3
46 #define GL_MEDIUM_INT 0x8DF4
47 #define GL_HIGH_INT 0x8DF5
48 #define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A
49 #define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
50 #define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
51 #define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
52 #define GL_MAX_VARYING_VECTORS 0x8DFC
53 #define GL_SHADER_BINARY_FORMATS 0x8DF8
54 #define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
55 #define GL_SHADER_COMPILER 0x8DFA
56 #define GL_RGB565 0x8D62
57 #define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES 0x8B8B
58 #define GL_RGB8_OES 0x8051
59 #define GL_RGBA8_OES 0x8058
60 #define GL_HALF_FLOAT_OES 0x8D61
62 // GL_OES_EGL_image_external
63 #define GL_TEXTURE_EXTERNAL_OES 0x8D65
64 #define GL_SAMPLER_EXTERNAL_OES 0x8D66
65 #define GL_TEXTURE_BINDING_EXTERNAL_OES 0x8D67
66 #define GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES 0x8D68
68 // GL_ANGLE_translated_shader_source
69 #define GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0
72 #define GL_UNPACK_FLIP_Y_CHROMIUM 0x9240
74 #define GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM 0x9241
75 #define GL_UNPACK_UNPREMULTIPLY_ALPHA_CHROMIUM 0x9242
76 #define GL_UNPACK_COLORSPACE_CONVERSION_CHROMIUM 0x9243
77 #define GL_BIND_GENERATES_RESOURCE_CHROMIUM 0x9244
79 // GL_CHROMIUM_gpu_memory_manager
80 #define GL_TEXTURE_POOL_CHROMIUM 0x6000
81 #define GL_TEXTURE_POOL_MANAGED_CHROMIUM 0x6001
82 #define GL_TEXTURE_POOL_UNMANAGED_CHROMIUM 0x6002
84 // GL_ANGLE_pack_reverse_row_order
85 #define GL_PACK_REVERSE_ROW_ORDER_ANGLE 0x93A4
87 // GL_ANGLE_texture_usage
88 #define GL_TEXTURE_USAGE_ANGLE 0x93A2
89 #define GL_FRAMEBUFFER_ATTACHMENT_ANGLE 0x93A3
91 // GL_EXT_texture_storage
92 #define GL_TEXTURE_IMMUTABLE_FORMAT_EXT 0x912F
93 #define GL_ALPHA8_EXT 0x803C
94 #define GL_LUMINANCE8_EXT 0x8040
95 #define GL_LUMINANCE8_ALPHA8_EXT 0x8045
96 #define GL_RGBA32F_EXT 0x8814
97 #define GL_RGB32F_EXT 0x8815
98 #define GL_ALPHA32F_EXT 0x8816
99 #define GL_LUMINANCE32F_EXT 0x8818
100 #define GL_LUMINANCE_ALPHA32F_EXT 0x8819
101 #define GL_RGBA16F_EXT 0x881A
102 #define GL_RGB16F_EXT 0x881B
103 #define GL_ALPHA16F_EXT 0x881C
104 #define GL_LUMINANCE16F_EXT 0x881E
105 #define GL_LUMINANCE_ALPHA16F_EXT 0x881F
106 #define GL_BGRA8_EXT 0x93A1
108 // GL_ANGLE_instanced_arrays
109 #define GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE 0x88FE
111 // GL_EXT_occlusion_query_boolean
112 #define GL_ANY_SAMPLES_PASSED_EXT 0x8C2F
113 #define GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT 0x8D6A
114 #define GL_CURRENT_QUERY_EXT 0x8865
115 #define GL_QUERY_RESULT_EXT 0x8866
116 #define GL_QUERY_RESULT_AVAILABLE_EXT 0x8867
118 // GL_CHROMIUM_command_buffer_query
119 #define GL_COMMANDS_ISSUED_CHROMIUM 0x84F2
121 /* GL_CHROMIUM_get_error_query */
122 #define GL_GET_ERROR_QUERY_CHROMIUM 0x84F3
124 /* GL_CHROMIUM_command_buffer_latency_query */
125 #define GL_LATENCY_QUERY_CHROMIUM 0x84F4
127 /* GL_CHROMIUM_async_pixel_transfers */
128 #define GL_ASYNC_PIXEL_UNPACK_COMPLETED_CHROMIUM 0x84F5
129 #define GL_ASYNC_PIXEL_PACK_COMPLETED_CHROMIUM 0x84F6
131 // GL_CHROMIUM_sync_query
132 #define GL_COMMANDS_COMPLETED_CHROMIUM 0x84F7
134 // GL_CHROMIUM_gpu_memory_buffer_image
135 #define GL_MAP_CHROMIUM 0x78F1
136 #define GL_SCANOUT_CHROMIUM 0x78F2
138 // GL_CHROMIUM_schedule_overlay_plane
139 #define GL_OVERLAY_TRANSFORM_NONE_CHROMIUM 0x9245
140 #define GL_OVERLAY_TRANSFORM_FLIP_HORIZONTAL_CHROMIUM 0x9246
141 #define GL_OVERLAY_TRANSFORM_FLIP_VERTICAL_CHROMIUM 0x9247
142 #define GL_OVERLAY_TRANSFORM_ROTATE_90_CHROMIUM 0x9248
143 #define GL_OVERLAY_TRANSFORM_ROTATE_180_CHROMIUM 0x9249
144 #define GL_OVERLAY_TRANSFORM_ROTATE_270_CHROMIUM 0x924A
146 // GL_CHROMIUM_subscribe_uniforms
147 #define GL_SUBSCRIBED_VALUES_BUFFER_CHROMIUM 0x924B
148 #define GL_MOUSE_POSITION_CHROMIUM 0x924C
151 #define GL_SAMPLER_3D_OES 0x8B5F
154 #define GL_DEPTH_COMPONENT24_OES 0x81A6
157 #define GL_DEPTH_COMPONENT32_OES 0x81A7
159 // GL_OES_packed_depth_stencil
160 #ifndef GL_DEPTH24_STENCIL8_OES
161 #define GL_DEPTH24_STENCIL8_OES 0x88F0
164 #ifndef GL_DEPTH24_STENCIL8
165 #define GL_DEPTH24_STENCIL8 0x88F0
168 // GL_OES_compressed_ETC1_RGB8_texture
169 #define GL_ETC1_RGB8_OES 0x8D64
171 // GL_AMD_compressed_ATC_texture
172 #define GL_ATC_RGB_AMD 0x8C92
173 #define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD 0x8C93
174 #define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE
176 // GL_IMG_texture_compression_pvrtc
177 #define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
178 #define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
179 #define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
180 #define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
182 // GL_OES_vertex_array_object
183 #define GL_VERTEX_ARRAY_BINDING_OES 0x85B5
185 // GL_CHROMIUM_pixel_transfer_buffer_object
186 #define GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM 0x78EC
187 #define GL_PIXEL_PACK_TRANSFER_BUFFER_CHROMIUM 0x78ED
188 #define GL_PIXEL_PACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x78EE
189 #define GL_PIXEL_UNPACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x78EF
191 /* GL_EXT_discard_framebuffer */
192 #ifndef GL_EXT_discard_framebuffer
193 #define GL_COLOR_EXT 0x1800
194 #define GL_DEPTH_EXT 0x1801
195 #define GL_STENCIL_EXT 0x1802
199 #define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
201 // GL_ARB_get_program_binary
202 #define PROGRAM_BINARY_RETRIEVABLE_HINT 0x8257
203 // GL_OES_get_program_binary
204 #define GL_PROGRAM_BINARY_LENGTH_OES 0x8741
205 #define GL_NUM_PROGRAM_BINARY_FORMATS_OES 0x87FE
206 #define GL_PROGRAM_BINARY_FORMATS_OES 0x87FF
208 #ifndef GL_EXT_multisampled_render_to_texture
209 #define GL_RENDERBUFFER_SAMPLES_EXT 0x8CAB
210 #define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT 0x8D56
211 #define GL_MAX_SAMPLES_EXT 0x8D57
212 #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT 0x8D6C
215 #ifndef GL_IMG_multisampled_render_to_texture
216 #define GL_RENDERBUFFER_SAMPLES_IMG 0x9133
217 #define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_IMG 0x9134
218 #define GL_MAX_SAMPLES_IMG 0x9135
219 #define GL_TEXTURE_SAMPLES_IMG 0x9136
222 #ifndef GL_CHROMIUM_path_rendering
223 // These match the corresponding values in NV_path_rendering
224 // extension, eg tokens with CHROMIUM replaced with NV.
225 #define GL_PATH_MODELVIEW_MATRIX_CHROMIUM 0x0BA6
226 #define GL_PATH_PROJECTION_MATRIX_CHROMIUM 0x0BA7
227 #define GL_PATH_MODELVIEW_CHROMIUM 0x1700
228 #define GL_PATH_PROJECTION_CHROMIUM 0x1701
231 #ifndef GL_KHR_blend_equation_advanced
232 #define GL_KHR_blend_equation_advanced 1
233 #define GL_COLORBURN_KHR 0x929A
234 #define GL_COLORDODGE_KHR 0x9299
235 #define GL_DARKEN_KHR 0x9297
236 #define GL_DIFFERENCE_KHR 0x929E
237 #define GL_EXCLUSION_KHR 0x92A0
238 #define GL_HARDLIGHT_KHR 0x929B
239 #define GL_HSL_COLOR_KHR 0x92AF
240 #define GL_HSL_HUE_KHR 0x92AD
241 #define GL_HSL_LUMINOSITY_KHR 0x92B0
242 #define GL_HSL_SATURATION_KHR 0x92AE
243 #define GL_LIGHTEN_KHR 0x9298
244 #define GL_MULTIPLY_KHR 0x9294
245 #define GL_OVERLAY_KHR 0x9296
246 #define GL_SCREEN_KHR 0x9295
247 #define GL_SOFTLIGHT_KHR 0x929C
248 #endif /* GL_KHR_blend_equation_advanced */
250 #ifndef GL_KHR_blend_equation_advanced_coherent
251 #define GL_KHR_blend_equation_advanced_coherent 1
252 #define GL_BLEND_ADVANCED_COHERENT_KHR 0x9285
253 #endif /* GL_KHR_blend_equation_advanced_coherent */
255 #ifndef GL_EXT_disjoint_timer_query
256 #define GL_EXT_disjoint_timer_query 1
257 #define GL_QUERY_COUNTER_BITS_EXT 0x8864
258 #define GL_TIME_ELAPSED_EXT 0x88BF
259 #define GL_TIMESTAMP_EXT 0x8E28
260 #define GL_GPU_DISJOINT_EXT 0x8FBB
263 #ifndef GL_KHR_robustness
264 #define GL_KHR_robustness 1
265 #define GL_CONTEXT_ROBUST_ACCESS_KHR 0x90F3
266 #define GL_LOSE_CONTEXT_ON_RESET_KHR 0x8252
267 #define GL_GUILTY_CONTEXT_RESET_KHR 0x8253
268 #define GL_INNOCENT_CONTEXT_RESET_KHR 0x8254
269 #define GL_UNKNOWN_CONTEXT_RESET_KHR 0x8255
270 #define GL_RESET_NOTIFICATION_STRATEGY_KHR 0x8256
271 #define GL_NO_RESET_NOTIFICATION_KHR 0x8261
272 #define GL_CONTEXT_LOST_KHR 0x0507
273 #endif /* GL_KHR_robustness */
275 #define GL_GLEXT_PROTOTYPES 1
278 #define GL_BINDING_CALL WINAPI
280 #define GL_BINDING_CALL
283 #define GL_SERVICE_LOG(args) DLOG(INFO) << args;
285 #define GL_SERVICE_LOG_CODE_BLOCK(code)
287 #define GL_SERVICE_LOG_CODE_BLOCK(code) code
290 // Forward declare OSMesa types.
291 typedef struct osmesa_context *OSMesaContext;
292 typedef void (*OSMESAproc)();
294 // Forward declare EGL types.
295 typedef uint64 EGLuint64CHROMIUM;
297 #include "gl_bindings_autogen_gl.h"
298 #include "gl_bindings_autogen_osmesa.h"
301 #include "gl_bindings_autogen_egl.h"
302 #include "gl_bindings_autogen_wgl.h"
303 #elif defined(USE_X11)
304 #include "gl_bindings_autogen_egl.h"
305 #include "gl_bindings_autogen_glx.h"
306 #elif defined(USE_OZONE)
307 #include "gl_bindings_autogen_egl.h"
308 #elif defined(OS_ANDROID)
309 #include "gl_bindings_autogen_egl.h"
314 struct GL_EXPORT DriverGL {
315 void InitializeStaticBindings();
316 void InitializeCustomDynamicBindings(GLContext* context);
317 void InitializeDebugBindings();
318 void InitializeNullDrawBindings();
319 // TODO(danakj): Remove this when all test suites are using null-draw.
320 bool HasInitializedNullDrawBindings();
321 bool SetNullDrawBindingsEnabled(bool enabled);
322 void ClearBindings();
328 bool null_draw_bindings_enabled;
331 void InitializeDynamicBindings(GLContext* context);
334 struct GL_EXPORT DriverOSMESA {
335 void InitializeStaticBindings();
336 void InitializeDynamicBindings(GLContext* context);
337 void InitializeDebugBindings();
338 void ClearBindings();
341 ProcsOSMESA debug_fn;
342 ExtensionsOSMESA ext;
346 struct GL_EXPORT DriverWGL {
347 void InitializeStaticBindings();
348 void InitializeDynamicBindings(GLContext* context);
349 void InitializeDebugBindings();
350 void ClearBindings();
358 #if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || defined(USE_OZONE)
359 struct GL_EXPORT DriverEGL {
360 void InitializeStaticBindings();
361 void InitializeDynamicBindings(GLContext* context);
362 void InitializeDebugBindings();
363 void ClearBindings();
372 struct GL_EXPORT DriverGLX {
373 void InitializeStaticBindings();
374 void InitializeDynamicBindings(GLContext* context);
375 void InitializeDebugBindings();
376 void ClearBindings();
384 // This #define is here to support autogenerated code.
385 #define g_current_gl_context g_current_gl_context_tls->Get()
386 GL_EXPORT extern base::ThreadLocalPointer<GLApi>* g_current_gl_context_tls;
388 GL_EXPORT extern OSMESAApi* g_current_osmesa_context;
389 GL_EXPORT extern DriverGL g_driver_gl;
390 GL_EXPORT extern DriverOSMESA g_driver_osmesa;
394 GL_EXPORT extern EGLApi* g_current_egl_context;
395 GL_EXPORT extern WGLApi* g_current_wgl_context;
396 GL_EXPORT extern DriverEGL g_driver_egl;
397 GL_EXPORT extern DriverWGL g_driver_wgl;
399 #elif defined(USE_X11)
401 GL_EXPORT extern EGLApi* g_current_egl_context;
402 GL_EXPORT extern GLXApi* g_current_glx_context;
403 GL_EXPORT extern DriverEGL g_driver_egl;
404 GL_EXPORT extern DriverGLX g_driver_glx;
406 #elif defined(USE_OZONE)
408 GL_EXPORT extern EGLApi* g_current_egl_context;
409 GL_EXPORT extern DriverEGL g_driver_egl;
411 #elif defined(OS_ANDROID)
413 GL_EXPORT extern EGLApi* g_current_egl_context;
414 GL_EXPORT extern DriverEGL g_driver_egl;
420 #endif // UI_GL_GL_BINDINGS_H_