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gl_bindings.h
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GL_GL_BINDINGS_H_
#define UI_GL_GL_BINDINGS_H_
// Includes the platform independent and platform dependent GL headers.
// Only include this in cc files. It pulls in system headers, including
// the X11 headers on linux, which define all kinds of macros that are
// liable to cause conflicts.
#include <GL/gl.h>
#include <GL/glext.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "base/logging.h"
#include "base/threading/thread_local.h"
#include "build/build_config.h"
#include "ui/gl/gl_export.h"
// The standard OpenGL native extension headers are also included.
#if defined(OS_WIN)
#include <GL/wglext.h>
#elif defined(OS_MACOSX)
#include <OpenGL/OpenGL.h>
#elif defined(USE_X11)
#include <GL/glx.h>
#include <GL/glxext.h>
// Undefine some macros defined by X headers. This is why this file should only
// be included in .cc files.
#undef Bool
#undef None
#undef Status
#endif
// GLES2 defines not part of Desktop GL
// Shader Precision-Specified Types
#define GL_LOW_FLOAT 0x8DF0
#define GL_MEDIUM_FLOAT 0x8DF1
#define GL_HIGH_FLOAT 0x8DF2
#define GL_LOW_INT 0x8DF3
#define GL_MEDIUM_INT 0x8DF4
#define GL_HIGH_INT 0x8DF5
#define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A
#define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
#define GL_MAX_VARYING_VECTORS 0x8DFC
#define GL_SHADER_BINARY_FORMATS 0x8DF8
#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
#define GL_SHADER_COMPILER 0x8DFA
#define GL_RGB565 0x8D62
#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES 0x8B8B
#define GL_RGB8_OES 0x8051
#define GL_RGBA8_OES 0x8058
#define GL_HALF_FLOAT_OES 0x8D61
// GL_OES_EGL_image_external
#define GL_TEXTURE_EXTERNAL_OES 0x8D65
#define GL_SAMPLER_EXTERNAL_OES 0x8D66
#define GL_TEXTURE_BINDING_EXTERNAL_OES 0x8D67
#define GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES 0x8D68
// GL_ANGLE_translated_shader_source
#define GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0
// GL_CHROMIUM_flipy
#define GL_UNPACK_FLIP_Y_CHROMIUM 0x9240
#define GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM 0x9241
#define GL_UNPACK_UNPREMULTIPLY_ALPHA_CHROMIUM 0x9242
#define GL_UNPACK_COLORSPACE_CONVERSION_CHROMIUM 0x9243
#define GL_BIND_GENERATES_RESOURCE_CHROMIUM 0x9244
// GL_CHROMIUM_gpu_memory_manager
#define GL_TEXTURE_POOL_CHROMIUM 0x6000
#define GL_TEXTURE_POOL_MANAGED_CHROMIUM 0x6001
#define GL_TEXTURE_POOL_UNMANAGED_CHROMIUM 0x6002
// GL_ANGLE_pack_reverse_row_order
#define GL_PACK_REVERSE_ROW_ORDER_ANGLE 0x93A4
// GL_ANGLE_texture_usage
#define GL_TEXTURE_USAGE_ANGLE 0x93A2
#define GL_FRAMEBUFFER_ATTACHMENT_ANGLE 0x93A3
// GL_EXT_texture_storage
#define GL_TEXTURE_IMMUTABLE_FORMAT_EXT 0x912F
#define GL_ALPHA8_EXT 0x803C
#define GL_LUMINANCE8_EXT 0x8040
#define GL_LUMINANCE8_ALPHA8_EXT 0x8045
#define GL_RGBA32F_EXT 0x8814
#define GL_RGB32F_EXT 0x8815
#define GL_ALPHA32F_EXT 0x8816
#define GL_LUMINANCE32F_EXT 0x8818
#define GL_LUMINANCE_ALPHA32F_EXT 0x8819
#define GL_RGBA16F_EXT 0x881A
#define GL_RGB16F_EXT 0x881B
#define GL_RG16F_EXT 0x822F
#define GL_R16F_EXT 0x822D
#define GL_ALPHA16F_EXT 0x881C
#define GL_LUMINANCE16F_EXT 0x881E
#define GL_LUMINANCE_ALPHA16F_EXT 0x881F
#define GL_R32F_EXT 0x822E
#define GL_RG32F_EXT 0x8230
#define GL_BGRA8_EXT 0x93A1
// GL_ANGLE_instanced_arrays
#define GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE 0x88FE
// GL_EXT_occlusion_query_boolean
#define GL_ANY_SAMPLES_PASSED_EXT 0x8C2F
#define GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT 0x8D6A
#define GL_CURRENT_QUERY_EXT 0x8865
#define GL_QUERY_RESULT_EXT 0x8866
#define GL_QUERY_RESULT_AVAILABLE_EXT 0x8867
// GL_CHROMIUM_command_buffer_query
#define GL_COMMANDS_ISSUED_CHROMIUM 0x6004
/* GL_CHROMIUM_get_error_query */
#define GL_GET_ERROR_QUERY_CHROMIUM 0x6003
/* GL_CHROMIUM_command_buffer_latency_query */
#define GL_LATENCY_QUERY_CHROMIUM 0x6007
/* GL_CHROMIUM_async_pixel_transfers */
#define GL_ASYNC_PIXEL_UNPACK_COMPLETED_CHROMIUM 0x6005
#define GL_ASYNC_PIXEL_PACK_COMPLETED_CHROMIUM 0x6006
// GL_CHROMIUM_sync_query
#define GL_COMMANDS_COMPLETED_CHROMIUM 0x84F7
// GL_CHROMIUM_gpu_memory_buffer_image
#define GL_MAP_CHROMIUM 0x78F1
#define GL_SCANOUT_CHROMIUM 0x78F2
// GL_CHROMIUM_schedule_overlay_plane
#define GL_OVERLAY_TRANSFORM_NONE_CHROMIUM 0x9245
#define GL_OVERLAY_TRANSFORM_FLIP_HORIZONTAL_CHROMIUM 0x9246
#define GL_OVERLAY_TRANSFORM_FLIP_VERTICAL_CHROMIUM 0x9247
#define GL_OVERLAY_TRANSFORM_ROTATE_90_CHROMIUM 0x9248
#define GL_OVERLAY_TRANSFORM_ROTATE_180_CHROMIUM 0x9249
#define GL_OVERLAY_TRANSFORM_ROTATE_270_CHROMIUM 0x924A
// GL_CHROMIUM_subscribe_uniforms
#define GL_SUBSCRIBED_VALUES_BUFFER_CHROMIUM 0x924B
#define GL_MOUSE_POSITION_CHROMIUM 0x924C
// GL_OES_texure_3D
#define GL_SAMPLER_3D_OES 0x8B5F
// GL_OES_depth24
#define GL_DEPTH_COMPONENT24_OES 0x81A6
// GL_OES_depth32
#define GL_DEPTH_COMPONENT32_OES 0x81A7
// GL_OES_packed_depth_stencil
#ifndef GL_DEPTH24_STENCIL8_OES
#define GL_DEPTH24_STENCIL8_OES 0x88F0
#endif
#ifndef GL_DEPTH24_STENCIL8
#define GL_DEPTH24_STENCIL8 0x88F0
#endif
// GL_OES_compressed_ETC1_RGB8_texture
#define GL_ETC1_RGB8_OES 0x8D64
// GL_AMD_compressed_ATC_texture
#define GL_ATC_RGB_AMD 0x8C92
#define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD 0x8C93
#define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE
// GL_IMG_texture_compression_pvrtc
#define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
#define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
#define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
#define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
// GL_OES_vertex_array_object
#define GL_VERTEX_ARRAY_BINDING_OES 0x85B5
// GL_CHROMIUM_pixel_transfer_buffer_object
#define GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM 0x78EC
#define GL_PIXEL_PACK_TRANSFER_BUFFER_CHROMIUM 0x78ED
#define GL_PIXEL_PACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x78EE
#define GL_PIXEL_UNPACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x78EF
/* GL_EXT_discard_framebuffer */
#ifndef GL_EXT_discard_framebuffer
#define GL_COLOR_EXT 0x1800
#define GL_DEPTH_EXT 0x1801
#define GL_STENCIL_EXT 0x1802
#endif
// GL_EXT_sRGB
#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
// GL_ARB_get_program_binary
#define PROGRAM_BINARY_RETRIEVABLE_HINT 0x8257
// GL_OES_get_program_binary
#define GL_PROGRAM_BINARY_LENGTH_OES 0x8741
#define GL_NUM_PROGRAM_BINARY_FORMATS_OES 0x87FE
#define GL_PROGRAM_BINARY_FORMATS_OES 0x87FF
#ifndef GL_EXT_multisampled_render_to_texture
#define GL_RENDERBUFFER_SAMPLES_EXT 0x8CAB
#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT 0x8D56
#define GL_MAX_SAMPLES_EXT 0x8D57
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT 0x8D6C
#endif
#ifndef GL_IMG_multisampled_render_to_texture
#define GL_RENDERBUFFER_SAMPLES_IMG 0x9133
#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_IMG 0x9134
#define GL_MAX_SAMPLES_IMG 0x9135
#define GL_TEXTURE_SAMPLES_IMG 0x9136
#endif
#ifndef GL_CHROMIUM_path_rendering
// These match the corresponding values in NV_path_rendering
// extension, eg tokens with CHROMIUM replaced with NV.
#define GL_PATH_MODELVIEW_MATRIX_CHROMIUM 0x0BA6
#define GL_PATH_PROJECTION_MATRIX_CHROMIUM 0x0BA7
#define GL_PATH_MODELVIEW_CHROMIUM 0x1700
#define GL_PATH_PROJECTION_CHROMIUM 0x1701
#endif
#ifndef GL_KHR_blend_equation_advanced
#define GL_KHR_blend_equation_advanced 1
#define GL_COLORBURN_KHR 0x929A
#define GL_COLORDODGE_KHR 0x9299
#define GL_DARKEN_KHR 0x9297
#define GL_DIFFERENCE_KHR 0x929E
#define GL_EXCLUSION_KHR 0x92A0
#define GL_HARDLIGHT_KHR 0x929B
#define GL_HSL_COLOR_KHR 0x92AF
#define GL_HSL_HUE_KHR 0x92AD
#define GL_HSL_LUMINOSITY_KHR 0x92B0
#define GL_HSL_SATURATION_KHR 0x92AE
#define GL_LIGHTEN_KHR 0x9298
#define GL_MULTIPLY_KHR 0x9294
#define GL_OVERLAY_KHR 0x9296
#define GL_SCREEN_KHR 0x9295
#define GL_SOFTLIGHT_KHR 0x929C
#endif /* GL_KHR_blend_equation_advanced */
#ifndef GL_KHR_blend_equation_advanced_coherent
#define GL_KHR_blend_equation_advanced_coherent 1
#define GL_BLEND_ADVANCED_COHERENT_KHR 0x9285
#endif /* GL_KHR_blend_equation_advanced_coherent */
#ifndef GL_EXT_disjoint_timer_query
#define GL_EXT_disjoint_timer_query 1
#define GL_QUERY_COUNTER_BITS_EXT 0x8864
#define GL_TIME_ELAPSED_EXT 0x88BF
#define GL_TIMESTAMP_EXT 0x8E28
#define GL_GPU_DISJOINT_EXT 0x8FBB
#endif
#ifndef GL_KHR_robustness
#define GL_KHR_robustness 1
#define GL_CONTEXT_ROBUST_ACCESS_KHR 0x90F3
#define GL_LOSE_CONTEXT_ON_RESET_KHR 0x8252
#define GL_GUILTY_CONTEXT_RESET_KHR 0x8253
#define GL_INNOCENT_CONTEXT_RESET_KHR 0x8254
#define GL_UNKNOWN_CONTEXT_RESET_KHR 0x8255
#define GL_RESET_NOTIFICATION_STRATEGY_KHR 0x8256
#define GL_NO_RESET_NOTIFICATION_KHR 0x8261
#define GL_CONTEXT_LOST_KHR 0x0507
#endif /* GL_KHR_robustness */
#ifndef GL_EXT_texture_rg
#define GL_EXT_texture_rg 1
#define GL_RED_EXT 0x1903
#define GL_RG_EXT 0x8227
#define GL_R8_EXT 0x8229
#define GL_RG8_EXT 0x822B
#endif /* GL_EXT_texture_rg */
#define GL_GLEXT_PROTOTYPES 1
#if defined(OS_WIN)
#define GL_BINDING_CALL WINAPI
#else
#define GL_BINDING_CALL
#endif
#define GL_SERVICE_LOG(args) DLOG(INFO) << args;
#if defined(NDEBUG)
#define GL_SERVICE_LOG_CODE_BLOCK(code)
#else
#define GL_SERVICE_LOG_CODE_BLOCK(code) code
#endif
// Forward declare OSMesa types.
typedef struct osmesa_context *OSMesaContext;
typedef void (*OSMESAproc)();
// Forward declare EGL types.
typedef uint64 EGLuint64CHROMIUM;
#include "gl_bindings_autogen_gl.h"
#include "gl_bindings_autogen_osmesa.h"
#if defined(OS_WIN)
#include "gl_bindings_autogen_egl.h"
#include "gl_bindings_autogen_wgl.h"
#elif defined(USE_X11)
#include "gl_bindings_autogen_egl.h"
#include "gl_bindings_autogen_glx.h"
#elif defined(USE_OZONE)
#include "gl_bindings_autogen_egl.h"
#elif defined(OS_ANDROID)
#include "gl_bindings_autogen_egl.h"
#endif
namespace gfx {
struct GL_EXPORT DriverGL {
void InitializeStaticBindings();
void InitializeCustomDynamicBindings(GLContext* context);
void InitializeDebugBindings();
void InitializeNullDrawBindings();
// TODO(danakj): Remove this when all test suites are using null-draw.
bool HasInitializedNullDrawBindings();
bool SetNullDrawBindingsEnabled(bool enabled);
void ClearBindings();
ProcsGL fn;
ProcsGL orig_fn;
ProcsGL debug_fn;
ExtensionsGL ext;
bool null_draw_bindings_enabled;
private:
void InitializeDynamicBindings(GLContext* context);
};
struct GL_EXPORT DriverOSMESA {
void InitializeStaticBindings();
void InitializeDynamicBindings(GLContext* context);
void InitializeDebugBindings();
void ClearBindings();
ProcsOSMESA fn;
ProcsOSMESA debug_fn;
ExtensionsOSMESA ext;
};
#if defined(OS_WIN)
struct GL_EXPORT DriverWGL {
void InitializeStaticBindings();
void InitializeDynamicBindings(GLContext* context);
void InitializeDebugBindings();
void ClearBindings();
ProcsWGL fn;
ProcsWGL debug_fn;
ExtensionsWGL ext;
};
#endif
#if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || defined(USE_OZONE)
struct GL_EXPORT DriverEGL {
void InitializeStaticBindings();
void InitializeDynamicBindings(GLContext* context);
void InitializeDebugBindings();
void ClearBindings();
ProcsEGL fn;
ProcsEGL debug_fn;
ExtensionsEGL ext;
};
#endif
#if defined(USE_X11)
struct GL_EXPORT DriverGLX {
void InitializeStaticBindings();
void InitializeDynamicBindings(GLContext* context);
void InitializeDebugBindings();
void ClearBindings();
ProcsGLX fn;
ProcsGLX debug_fn;
ExtensionsGLX ext;
};
#endif
// This #define is here to support autogenerated code.
#define g_current_gl_context g_current_gl_context_tls->Get()
GL_EXPORT extern base::ThreadLocalPointer<GLApi>* g_current_gl_context_tls;
GL_EXPORT extern OSMESAApi* g_current_osmesa_context;
GL_EXPORT extern DriverGL g_driver_gl;
GL_EXPORT extern DriverOSMESA g_driver_osmesa;
#if defined(OS_WIN)
GL_EXPORT extern EGLApi* g_current_egl_context;
GL_EXPORT extern WGLApi* g_current_wgl_context;
GL_EXPORT extern DriverEGL g_driver_egl;
GL_EXPORT extern DriverWGL g_driver_wgl;
#elif defined(USE_X11)
GL_EXPORT extern EGLApi* g_current_egl_context;
GL_EXPORT extern GLXApi* g_current_glx_context;
GL_EXPORT extern DriverEGL g_driver_egl;
GL_EXPORT extern DriverGLX g_driver_glx;
#elif defined(USE_OZONE)
GL_EXPORT extern EGLApi* g_current_egl_context;
GL_EXPORT extern DriverEGL g_driver_egl;
#elif defined(OS_ANDROID)
GL_EXPORT extern EGLApi* g_current_egl_context;
GL_EXPORT extern DriverEGL g_driver_egl;
#endif
} // namespace gfx
#endif // UI_GL_GL_BINDINGS_H_