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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _OGLHelper_H_
#define _OGLHelper_H_
#include "../api.h"
#include "../avgconfigwrapper.h"
#ifdef _WIN32
#include <windows.h>
#undef ERROR
#undef WARNING
#include <GL/gl.h>
#include <GL/glu.h>
#include "GL/glext.h"
#include "GL/wglext.h"
#else
#ifdef AVG_ENABLE_EGL
#define EGL_EGLEXT_PROTOTYPES
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#else
#include "GL/gl.h"
#include "GL/glu.h"
#include "GL/glext.h"
#endif
#endif
#if defined(linux) && !defined(AVG_ENABLE_EGL)
#define GLX_GLXEXT_PROTOTYPES
#ifndef __GLXextFuncPtr
typedef void (*__GLXextFuncPtr)(void);
#endif
#include "GL/glx.h"
#endif
#ifdef linux
#ifndef GLX_CONTEXT_ES2_PROFILE_BIT_EXT
#define GLX_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
#endif
#endif
// For NVX_gpu_memory_info
#ifndef GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
#define GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047
#define GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048
#define GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049
#define GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A
#define GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B
#endif
#include <string>
#ifndef APIENTRY
#define APIENTRY
#endif
namespace avg {
bool AVG_API queryOGLExtension(const char* extName);
bool AVG_API queryGLXExtension(const char* extName);
std::string AVG_API oglModeToString(int mode);
enum OGLMemoryMode {
MM_OGL, // Standard OpenGL
MM_PBO // pixel buffer objects
};
std::string oglMemoryMode2String(OGLMemoryMode mode);
void AVG_API clearGLBuffers(GLbitfield mask, bool bOpaque);
typedef void (*GLfunction)();
GLfunction AVG_API getFuzzyProcAddress(const char * psz);
#ifdef linux
GLfunction getglXProcAddress(const char * psz);
#endif
#ifdef AVG_ENABLE_EGL
#define GL_WRITE_ONLY GL_WRITE_ONLY_OES
#define GL_DYNAMIC_READ 0x88E9
#define GL_BGRA 0x80E1
typedef void (GL_APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
typedef void (GL_APIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size,
const GLvoid* data, GLenum usage);
typedef void (APIENTRY* DEBUGCALLBACKPROC) (GLenum source, GLenum type, GLuint id,
GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam);
typedef void (GL_APIENTRYP PFNGLDEBUGMESSAGECALLBACKPROC) (DEBUGCALLBACKPROC callback,
void* userParam);
typedef void (GL_APIENTRYP PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint* buffers);
typedef void (GL_APIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
typedef void* (GL_APIENTRYP PFNGLMAPBUFFERPROC) (GLenum target, GLenum access);
typedef GLboolean (GL_APIENTRYP PFNGLUNMAPBUFFERPROC) (GLenum target);
typedef GLuint (GL_APIENTRYP PFNGLCREATESHADERPROC) (GLenum type);
typedef void (GL_APIENTRYP PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count,
const GLchar** string, const GLint* length);
typedef void (GL_APIENTRYP PFNGLCOMPILESHADERPROC) (GLuint shader);
typedef GLuint (GL_APIENTRYP PFNGLCREATEPROGRAMPROC) (void);
typedef void (GL_APIENTRYP PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader);
typedef void (GL_APIENTRYP PFNGLLINKPROGRAMPROC) (GLuint program);
typedef void (GL_APIENTRYP PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname,
GLint* params);
typedef void (GL_APIENTRYP PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname,
GLint* params);
typedef void (GL_APIENTRYP PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufsize,
GLsizei* length, GLchar* infolog);
typedef void (GL_APIENTRYP PFNGLGETPROGRAMINFOLOGPROC) (GLuint shader, GLsizei bufsize,
GLsizei* length, GLchar* infolog);
typedef void (GL_APIENTRYP PFNGLUSEPROGRAMPROC) (GLuint program);
typedef int (GL_APIENTRYP PFNGLGETUNIFORMLOCATIONPROC) (GLuint program,
const GLchar* name);
typedef void (GL_APIENTRYP PFNGLUNIFORM1IPROC) (GLint location, GLint x);
typedef void (GL_APIENTRYP PFNGLUNIFORM1FPROC) (GLint location, GLfloat x);
typedef void (GL_APIENTRYP PFNGLUNIFORM2FPROC) (GLint location, GLfloat x, GLfloat y);
typedef void (GL_APIENTRYP PFNGLUNIFORM3FPROC) (GLint location, GLfloat x, GLfloat y,
GLfloat z);
typedef void (GL_APIENTRYP PFNGLUNIFORM4FPROC) (GLint location, GLfloat x, GLfloat y,
GLfloat z, GLfloat w);
typedef void (GL_APIENTRYP PFNGLUNIFORM1FVPROC) (GLint location, GLsizei count,
const GLfloat* v);
typedef void (GL_APIENTRYP PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count,
GLboolean transpose, const GLfloat* value);
typedef void (GL_APIENTRYP PFNGLBLENDFUNCSEPARATEPROC) (GLenum srcRGB, GLenum dstRGB,
GLenum srcAlpha, GLenum dstAlpha);
typedef void (GL_APIENTRYP PFNGLBLENDEQUATIONPROC) ( GLenum mode );
typedef void (GL_APIENTRYP PFNGLBLENDCOLORPROC) (GLclampf red, GLclampf green,
GLclampf blue, GLclampf alpha);
typedef void (GL_APIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture);
typedef void (GL_APIENTRYP PFNGLGENERATEMIPMAPPROC) (GLenum target);
typedef GLenum (GL_APIENTRYP PFNGLCHECKFRAMEBUFFERSTATUSPROC) (GLenum target);
typedef void (GL_APIENTRYP PFNGLGENFRAMEBUFFERSPROC) (GLsizei n, GLuint* framebuffers);
typedef void (GL_APIENTRYP PFNGLBINDFRAMEBUFFERPROC) (GLenum target, GLuint framebuffer);
typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DPROC) (GLenum target,
GLenum attachment, GLenum textarget, GLuint texture, GLint level);
typedef void (GL_APIENTRYP PFNGLDELETEFRAMEBUFFERSPROC) (GLsizei n,
const GLuint* framebuffers);
typedef void (GL_APIENTRYP PFNGLGENRENDERBUFFERSPROC) (GLsizei n, GLuint* renderbuffers);
typedef void (GL_APIENTRYP PFNGLBINDRENDERBUFFERPROC) (GLenum target,
GLuint renderbuffer);
typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEPROC) (GLenum target,
GLenum internalformat, GLsizei width, GLsizei height);
typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) (GLenum target,
GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERRENDERBUFFERPROC) (GLenum target,
GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
//TODO: BLITFRAMEBUFFER
typedef void (GL_APIENTRYP PFNGLDELETERENDERBUFFERSPROC) (GLsizei n,
const GLuint* renderbuffers);
typedef void (GL_APIENTRYP PFNGLVERTEXATTRIBPOINTERPROC) (GLuint indx, GLint size,
GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr);
typedef void (GL_APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index);
typedef void (GL_APIENTRYP PFNGLBINDATTRIBLOCATIONPROC) (GLuint program, GLuint index,
const GLchar* name);
#else
#define PFNGLDEBUGMESSAGECALLBACKPROC PFNGLDEBUGMESSAGECALLBACKARBPROC
#endif
namespace glproc {
extern AVG_API PFNGLGENBUFFERSPROC GenBuffers;
extern AVG_API PFNGLBUFFERDATAPROC BufferData;
#ifndef AVG_ENABLE_EGL
extern AVG_API PFNGLBUFFERSUBDATAPROC BufferSubData;
extern AVG_API PFNGLGETBUFFERSUBDATAPROC GetBufferSubData;
extern AVG_API PFNGLDRAWBUFFERSPROC DrawBuffers;
extern AVG_API PFNGLDRAWRANGEELEMENTSPROC DrawRangeElements;
extern AVG_API PFNGLBLITFRAMEBUFFERPROC BlitFramebuffer;
extern AVG_API PFNGLGETOBJECTPARAMETERIVARBPROC GetObjectParameteriv;
#endif
extern AVG_API PFNGLDEBUGMESSAGECALLBACKPROC DebugMessageCallback;
extern AVG_API PFNGLDELETEBUFFERSPROC DeleteBuffers;
extern AVG_API PFNGLBINDBUFFERPROC BindBuffer;
extern AVG_API PFNGLMAPBUFFERPROC MapBuffer;
extern AVG_API PFNGLUNMAPBUFFERPROC UnmapBuffer;
extern AVG_API PFNGLCREATESHADERPROC CreateShader;
extern AVG_API PFNGLSHADERSOURCEPROC ShaderSource;
extern AVG_API PFNGLCOMPILESHADERPROC CompileShader;
extern AVG_API PFNGLCREATEPROGRAMPROC CreateProgram;
extern AVG_API PFNGLATTACHSHADERPROC AttachShader;
extern AVG_API PFNGLLINKPROGRAMPROC LinkProgram;
extern AVG_API PFNGLGETSHADERIVPROC GetShaderiv;
extern AVG_API PFNGLGETPROGRAMIVPROC GetProgramiv;
extern AVG_API PFNGLGETSHADERINFOLOGPROC GetShaderInfoLog;
extern AVG_API PFNGLGETPROGRAMINFOLOGPROC GetProgramInfoLog;
extern AVG_API PFNGLUSEPROGRAMPROC UseProgram;
extern AVG_API PFNGLGETUNIFORMLOCATIONPROC GetUniformLocation;
extern AVG_API PFNGLUNIFORM1IPROC Uniform1i;
extern AVG_API PFNGLUNIFORM1FPROC Uniform1f;
extern AVG_API PFNGLUNIFORM2FPROC Uniform2f;
extern AVG_API PFNGLUNIFORM3FPROC Uniform3f;
extern AVG_API PFNGLUNIFORM4FPROC Uniform4f;
extern AVG_API PFNGLUNIFORM1FVPROC Uniform1fv;
extern AVG_API PFNGLUNIFORMMATRIX4FVPROC UniformMatrix4fv;
extern AVG_API PFNGLBLENDFUNCSEPARATEPROC BlendFuncSeparate;
extern AVG_API PFNGLBLENDEQUATIONPROC BlendEquation;
extern AVG_API PFNGLBLENDCOLORPROC BlendColor;
extern AVG_API PFNGLACTIVETEXTUREPROC ActiveTexture;
extern AVG_API PFNGLGENERATEMIPMAPPROC GenerateMipmap;
extern AVG_API PFNGLCHECKFRAMEBUFFERSTATUSPROC CheckFramebufferStatus;
extern AVG_API PFNGLGENFRAMEBUFFERSPROC GenFramebuffers;
extern AVG_API PFNGLBINDFRAMEBUFFERPROC BindFramebuffer;
extern AVG_API PFNGLFRAMEBUFFERTEXTURE2DPROC FramebufferTexture2D;
extern AVG_API PFNGLDELETEFRAMEBUFFERSPROC DeleteFramebuffers;
extern AVG_API PFNGLGENRENDERBUFFERSPROC GenRenderbuffers;
extern AVG_API PFNGLBINDRENDERBUFFERPROC BindRenderbuffer;
extern AVG_API PFNGLRENDERBUFFERSTORAGEPROC RenderbufferStorage;
extern AVG_API PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC
RenderbufferStorageMultisample;
extern AVG_API PFNGLFRAMEBUFFERRENDERBUFFERPROC FramebufferRenderbuffer;
extern AVG_API PFNGLDELETERENDERBUFFERSPROC DeleteRenderbuffers;
extern AVG_API PFNGLVERTEXATTRIBPOINTERPROC VertexAttribPointer;
extern AVG_API PFNGLENABLEVERTEXATTRIBARRAYPROC EnableVertexAttribArray;
extern AVG_API PFNGLBINDATTRIBLOCATIONPROC BindAttribLocation;
#if defined(linux) && !defined(AVG_ENABLE_EGL)
extern PFNGLXSWAPINTERVALEXTPROC SwapIntervalEXT;
#endif
#ifdef _WIN32
extern AVG_API PFNWGLGETEXTENSIONSSTRINGARBPROC GetExtensionsStringARB;
extern AVG_API PFNWGLGETSWAPINTERVALEXTPROC GetSwapIntervalEXT;
extern AVG_API PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT;
#endif
void init();
extern void * s_hGLLib;
}
}
#endif
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