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#ifndef MBGL_RENDERER_GL
#define MBGL_RENDERER_GL
#include <string>
#if __APPLE__
#include "TargetConditionals.h"
#if TARGET_OS_IPHONE
#include <OpenGLES/ES2/gl.h>
#include <OpenGLES/ES2/glext.h>
#elif TARGET_IPHONE_SIMULATOR
#include <OpenGLES/ES2/gl.h>
#include <OpenGLES/ES2/glext.h>
#elif TARGET_OS_MAC
#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>
#else
#error Unsupported Apple platform
#endif
#elif MBGL_USE_GLES2
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#else
#define GL_GLEXT_PROTOTYPES
#include <GL/gl.h>
#include <GL/glext.h>
#endif
namespace mbgl {
namespace gl {
// GL_KHR_debug / GL_ARB_debug_output
#define GL_DEBUG_OUTPUT_SYNCHRONOUS 0x8242
#define GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH 0x8243
#define GL_DEBUG_CALLBACK_FUNCTION 0x8244
#define GL_DEBUG_CALLBACK_USER_PARAM 0x8245
#define GL_DEBUG_SOURCE_API 0x8246
#define GL_DEBUG_SOURCE_WINDOW_SYSTEM 0x8247
#define GL_DEBUG_SOURCE_SHADER_COMPILER 0x8248
#define GL_DEBUG_SOURCE_THIRD_PARTY 0x8249
#define GL_DEBUG_SOURCE_APPLICATION 0x824A
#define GL_DEBUG_SOURCE_OTHER 0x824B
#define GL_DEBUG_TYPE_ERROR 0x824C
#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR 0x824D
#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR 0x824E
#define GL_DEBUG_TYPE_PORTABILITY 0x824F
#define GL_DEBUG_TYPE_PERFORMANCE 0x8250
#define GL_DEBUG_TYPE_OTHER 0x8251
#define GL_MAX_DEBUG_MESSAGE_LENGTH 0x9143
#define GL_MAX_DEBUG_LOGGED_MESSAGES 0x9144
#define GL_DEBUG_LOGGED_MESSAGES 0x9145
#define GL_DEBUG_SEVERITY_HIGH 0x9146
#define GL_DEBUG_SEVERITY_MEDIUM 0x9147
#define GL_DEBUG_SEVERITY_LOW 0x9148
#define GL_DEBUG_TYPE_MARKER 0x8268
#define GL_DEBUG_TYPE_PUSH_GROUP 0x8269
#define GL_DEBUG_TYPE_POP_GROUP 0x826A
#define GL_DEBUG_SEVERITY_NOTIFICATION 0x826B
#define GL_MAX_DEBUG_GROUP_STACK_DEPTH 0x826C
#define GL_DEBUG_GROUP_STACK_DEPTH 0x826D
#define GL_BUFFER 0x82E0
#define GL_SHADER 0x82E1
#define GL_PROGRAM 0x82E2
#define GL_QUERY 0x82E3
#define GL_PROGRAM_PIPELINE 0x82E4
#define GL_SAMPLER 0x82E6
#define GL_MAX_LABEL_LENGTH 0x82E8
#define GL_DEBUG_OUTPUT 0x92E0
#define GL_CONTEXT_FLAG_DEBUG_BIT 0x00000002
#define GL_DISPLAY_LIST 0x82E7
#define GL_VERTEX_ARRAY 0x8074
#define GL_TRANSFORM_FEEDBACK 0x8E22
#define GL_TEXTURE 0x1702
#define GL_RENDERBUFFER 0x8D41
#define GL_FRAMEBUFFER 0x8D40
typedef void (* GLDEBUGPROC)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam);
typedef void (* PFNGLDEBUGMESSAGECONTROLPROC) (GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled);
typedef void (* PFNGLDEBUGMESSAGEINSERTPROC) (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *buf);
typedef void (* PFNGLDEBUGMESSAGECALLBACKPROC) (GLDEBUGPROC callback, const void *userParam);
typedef GLuint (* PFNGLGETDEBUGMESSAGELOGPROC) (GLuint count, GLsizei bufSize, GLenum *sources, GLenum *types, GLuint *ids, GLenum *severities, GLsizei *lengths, GLchar *messageLog);
typedef void (* PFNGLGETPOINTERVPROC) (GLenum pname, void **params);
typedef void (* PFNGLPUSHDEBUGGROUPPROC) (GLenum source, GLuint id, GLsizei length, const GLchar *message);
typedef void (* PFNGLPOPDEBUGGROUPPROC) (void);
typedef void (* PFNGLOBJECTLABELPROC) (GLenum identifier, GLuint name, GLsizei length, const GLchar *label);
typedef void (* PFNGLGETOBJECTLABELPROC) (GLenum identifier, GLuint name, GLsizei bufSize, GLsizei *length, GLchar *label);
typedef void (* PFNGLOBJECTPTRLABELPROC) (const void *ptr, GLsizei length, const GLchar *label);
typedef void (* PFNGLGETOBJECTPTRLABELPROC) (const void *ptr, GLsizei bufSize, GLsizei *length, GLchar *label);
extern PFNGLDEBUGMESSAGECONTROLPROC DebugMessageControl;
extern PFNGLDEBUGMESSAGEINSERTPROC DebugMessageInsert;
extern PFNGLDEBUGMESSAGECALLBACKPROC DebugMessageCallback;
extern PFNGLGETDEBUGMESSAGELOGPROC GetDebugMessageLog;
extern PFNGLGETPOINTERVPROC GetPointerv;
extern PFNGLPUSHDEBUGGROUPPROC PushDebugGroup;
extern PFNGLPOPDEBUGGROUPPROC PopDebugGroup;
extern PFNGLOBJECTLABELPROC ObjectLabel;
extern PFNGLGETOBJECTLABELPROC GetObjectLabel;
extern PFNGLOBJECTPTRLABELPROC ObjectPtrLabel;
extern PFNGLGETOBJECTPTRLABELPROC GetObjectPtrLabel;
void debug_callback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam);
// GL_EXT_debug_marker
typedef void (* PFNGLINSERTEVENTMARKEREXTPROC) (GLsizei length, const GLchar *marker);
typedef void (* PFNGLPUSHGROUPMARKEREXTPROC) (GLsizei length, const GLchar *marker);
typedef void (* PFNGLPOPGROUPMARKEREXTPROC) (void);
extern PFNGLINSERTEVENTMARKEREXTPROC InsertEventMarkerEXT;
extern PFNGLPUSHGROUPMARKEREXTPROC PushGroupMarkerEXT;
extern PFNGLPOPGROUPMARKEREXTPROC PopGroupMarkerEXT;
// GL_EXT_debug_label
#define GL_PROGRAM_PIPELINE_OBJECT_EXT 0x8A4F
#define GL_PROGRAM_OBJECT_EXT 0x8B40
#define GL_SHADER_OBJECT_EXT 0x8B48
#define GL_BUFFER_OBJECT_EXT 0x9151
#define GL_QUERY_OBJECT_EXT 0x9153
#define GL_VERTEX_ARRAY_OBJECT_EXT 0x9154
typedef void (* PFNGLLABELOBJECTEXTPROC) (GLenum type, GLuint object, GLsizei length, const GLchar *label);
typedef void (* PFNGLGETOBJECTLABELEXTPROC) (GLenum type, GLuint object, GLsizei bufSize, GLsizei *length, GLchar *label);
extern PFNGLLABELOBJECTEXTPROC LabelObjectEXT;
extern PFNGLGETOBJECTLABELEXTPROC GetObjectLabelEXT;
#define GL_VERTEX_ARRAY_BINDING 0x85B5
typedef void (* PFNGLBINDVERTEXARRAYPROC) (GLuint array);
typedef void (* PFNGLDELETEVERTEXARRAYSPROC) (GLsizei n, const GLuint* arrays);
typedef void (* PFNGLGENVERTEXARRAYSPROC) (GLsizei n, GLuint* arrays);
typedef GLboolean (* PFNGLISVERTEXARRAYPROC) (GLuint array);
extern PFNGLBINDVERTEXARRAYPROC BindVertexArray;
extern PFNGLDELETEVERTEXARRAYSPROC DeleteVertexArrays;
extern PFNGLGENVERTEXARRAYSPROC GenVertexArrays;
extern PFNGLISVERTEXARRAYPROC IsVertexArray;
// Debug group markers, useful for debugging on iOS
#if defined(DEBUG)
// static int indent = 0;
inline void start_group(const std::string &str) {
if (gl::PushDebugGroup != nullptr) {
gl::PushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, str.size(), str.c_str());
} else if (gl::PushGroupMarkerEXT != nullptr) {
gl::PushGroupMarkerEXT(str.size(), str.c_str());
}
// fprintf(stderr, "%s%s\n", std::string(indent * 4, ' ').c_str(), str.c_str());
// indent++;
}
inline void end_group() {
if (gl::PopDebugGroup != nullptr) {
gl::PopDebugGroup();
} else if (gl::PopGroupMarkerEXT != nullptr) {
gl::PopGroupMarkerEXT();
}
// indent--;
}
#else
inline void start_group(const std::string &) {}
inline void end_group() {}
#endif
struct group {
inline group(const std::string &str) { start_group(str); }
~group() { end_group(); };
};
}
}
#ifdef GL_ES_VERSION_2_0
#define glClearDepth glClearDepthf
#define glDepthRange glDepthRangef
#endif
void _CHECK_GL_ERROR(const char *cmd, const char *file, int line);
#define _CHECK_ERROR(cmd, file, line) \
cmd; \
do { _CHECK_GL_ERROR(#cmd, file, line); } while (false);
#define CHECK_ERROR(cmd) _CHECK_ERROR(cmd, __FILE__, __LINE__)
#endif
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