mirror of
https://github.com/ZDoom/Raze.git
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123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
#ifndef __GLES_SYSTEM_H
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#define __GLES_SYSTEM_H
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#include <math.h>
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#include <float.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <string.h>
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#include <ctype.h>
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#include <limits.h>
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#include <assert.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <signal.h>
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#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__)
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#include <malloc.h>
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#endif
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#include <time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#define USE_GLAD_LOADER 0 // Set to 1 to use the GLAD loader, otherwise use noramal GZDoom loader for PC
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#if (USE_GLAD_LOADER)
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#include "glad/glad.h"
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// Below are used extensions for GLES
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typedef void* (APIENTRYP PFNGLMAPBUFFERRANGEEXTPROC)(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
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GLAPI PFNGLMAPBUFFERRANGEEXTPROC glMapBufferRange;
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typedef GLboolean(APIENTRYP PFNGLUNMAPBUFFEROESPROC)(GLenum target);
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GLAPI PFNGLUNMAPBUFFEROESPROC glUnmapBuffer;
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typedef void (APIENTRYP PFNGLVERTEXATTRIBIPOINTERPROC) (GLuint index, GLint size, GLenum type, GLsizei stride, const void* pointer);
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GLAPI PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer;
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typedef GLsync(APIENTRYP PFNGLFENCESYNCPROC)(GLenum condition, GLbitfield flags);
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GLAPI PFNGLFENCESYNCPROC glFenceSync;
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typedef GLenum(APIENTRYP PFNGLCLIENTWAITSYNCPROC)(GLsync sync, GLbitfield flags, GLuint64 timeout);
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GLAPI PFNGLCLIENTWAITSYNCPROC glClientWaitSync;
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typedef void (APIENTRYP PFNGLDELETESYNCPROC)(GLsync sync);
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GLAPI PFNGLDELETESYNCPROC glDeleteSync;
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#define GL_DEPTH24_STENCIL8 0x88F0
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#define GL_MAP_PERSISTENT_BIT 0x0040
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#define GL_MAP_READ_BIT 0x0001
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#define GL_MAP_WRITE_BIT 0x0002
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#define GL_MAP_UNSYNCHRONIZED_BIT 0x0020
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#define GL_MAP_INVALIDATE_BUFFER_BIT 0x0008
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#define GL_BGRA 0x80E1
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#define GL_DEPTH_CLAMP 0x864F
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#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
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#define GL_INT_2_10_10_10_REV 0x8D9F
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#define GL_RED 0x1903
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#define GL_TEXTURE_SWIZZLE_RGBA 0x8E46
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#define GL_SYNC_GPU_COMMANDS_COMPLETE 0x9117
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#define GL_SYNC_FLUSH_COMMANDS_BIT 0x00000001
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#define GL_ALREADY_SIGNALED 0x911A
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#define GL_CONDITION_SATISFIED 0x911C
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#else
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#include "gl_load/gl_load.h"
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#endif
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#if defined(__APPLE__)
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#include <OpenGL/OpenGL.h>
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#endif
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// This is the number of vec4s make up the light data
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#define LIGHT_VEC4_NUM 4
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//#define NO_RENDER_BUFFER
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//#define NPOT_EMULATION
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namespace OpenGLESRenderer
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{
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enum
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{
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GLES_MODE_GLES = 0,
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GLES_MODE_OGL2 = 1,
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GLES_MODE_OGL3 = 2,
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};
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struct RenderContextGLES
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{
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unsigned int flags;
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unsigned int maxlights;
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unsigned int numlightvectors;
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bool useMappedBuffers;
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bool depthStencilAvailable;
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bool npotAvailable;
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bool forceGLSLv100;
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bool depthClampAvailable;
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bool anistropicFilterAvailable;
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int glesMode;
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const char* shaderVersionString;
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int max_texturesize;
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char* vendorstring;
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char* modelstring;
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};
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extern RenderContextGLES gles;
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void InitGLES();
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}
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#ifdef _MSC_VER
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#pragma warning(disable : 4244) // MIPS
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#pragma warning(disable : 4136) // X86
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#pragma warning(disable : 4051) // ALPHA
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#pragma warning(disable : 4018) // signed/unsigned mismatch
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#pragma warning(disable : 4305) // truncate from double to float
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#endif
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#endif //__GL_PCH_H
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