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#ifndef LLMR_RENDERER_GL
#define LLMR_RENDERER_GL
#include <string>
#ifdef NVIDIA
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
extern PFNGLDISCARDFRAMEBUFFEREXTPROC glDiscardFramebufferEXT;
#define GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_OES
#elif __APPLE__
#include "TargetConditionals.h"
#if TARGET_OS_IPHONE
#include <OpenGLES/ES2/gl.h>
#include <OpenGLES/ES2/glext.h>
#define glGenVertexArrays glGenVertexArraysOES
#define glBindVertexArray glBindVertexArrayOES
#define glDeleteVertexArrays glDeleteVertexArraysOES
#define GL_ARB_vertex_array_object 1
#define GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_OES
#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>
#define glGenVertexArrays glGenVertexArraysAPPLE
#define glBindVertexArray glBindVertexArrayAPPLE
#define glDeleteVertexArrays glDeleteVertexArraysAPPLE
#else
#error Unsupported Apple platform
#endif
#else
#define GL_GLEXT_PROTOTYPES
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glext.h>
#endif
namespace llmr {
namespace gl {
// Debug group markers, useful for debuggin on iOS
#if defined(__APPLE__) && defined(DEBUG) && defined(GL_EXT_debug_marker)
// static int indent = 0;
inline void start_group(const std::string &str) {
glPushGroupMarkerEXT(0, str.c_str());
// fprintf(stderr, "%s%s\n", std::string(indent * 4, ' ').c_str(), str.c_str());
// indent++;
}
inline void end_group() {
glPopGroupMarkerEXT();
// 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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