raze/source/common/rendering/gles/gles_system.h

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#ifndef __GLES_SYSTEM_H
#define __GLES_SYSTEM_H
#include <math.h>
#include <float.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include <assert.h>
#include <errno.h>
#include <stdarg.h>
#include <signal.h>
#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__)
#include <malloc.h>
#endif
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
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#define USE_GLES2 0 // For Desktop PC leave as 0, it will use the exisiting OpenGL context creationg code but run with the GLES2 renderer
// Set to 1 for when comipling for a real GLES device
#if (USE_GLES2)
#include "glad/glad.h"
// Below are used extensions for GLES
typedef void* (APIENTRYP PFNGLMAPBUFFERRANGEEXTPROC)(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
GLAPI PFNGLMAPBUFFERRANGEEXTPROC glMapBufferRange;
typedef GLboolean(APIENTRYP PFNGLUNMAPBUFFEROESPROC)(GLenum target);
GLAPI PFNGLUNMAPBUFFEROESPROC glUnmapBuffer;
typedef void (APIENTRYP PFNGLVERTEXATTRIBIPOINTERPROC) (GLuint index, GLint size, GLenum type, GLsizei stride, const void* pointer);
GLAPI PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer;
#define GL_DEPTH24_STENCIL8 0x88F0
#define GL_MAP_PERSISTENT_BIT 0x0040
#define GL_MAP_READ_BIT 0x0001
#define GL_MAP_WRITE_BIT 0x0002
#define GL_MAP_UNSYNCHRONIZED_BIT 0x0020
#define GL_MAP_INVALIDATE_BUFFER_BIT 0x0008
#define GL_BGRA 0x80E1
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#define GL_DEPTH_CLAMP 0x864F
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#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
#define GL_INT_2_10_10_10_REV 0x8D9F
#else
#include "gl_load/gl_load.h"
#endif
#if defined(__APPLE__)
#include <OpenGL/OpenGL.h>
#endif
// This is the number of vec4s make up the light data
#define LIGHT_VEC4_NUM 4
//#define NO_RENDER_BUFFER
//#define NPOT_EMULATION
namespace OpenGLESRenderer
{
struct RenderContextGLES
{
unsigned int flags;
unsigned int maxlights;
unsigned int numlightvectors;
bool useMappedBuffers;
bool depthStencilAvailable;
bool npotAvailable;
bool forceGLSLv100;
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bool depthClampAvailable;
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bool anistropicFilterAvailable;
bool gles3Features;
const char* shaderVersionString;
int max_texturesize;
char* vendorstring;
char* modelstring;
};
extern RenderContextGLES gles;
void InitGLES();
}
#ifdef _MSC_VER
#pragma warning(disable : 4244) // MIPS
#pragma warning(disable : 4136) // X86
#pragma warning(disable : 4051) // ALPHA
#pragma warning(disable : 4018) // signed/unsigned mismatch
#pragma warning(disable : 4305) // truncate from double to float
#endif
#endif //__GL_PCH_H