546 lines
15 KiB
C++
546 lines
15 KiB
C++
// ---------------------------------------------------------------------------
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//
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// @file LoadOGL.cpp
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// @author Philippe Decaudin
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// @license This file is part of the AntTweakBar library.
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// For conditions of distribution and use, see License.txt
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//
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// ---------------------------------------------------------------------------
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#include "TwPrecomp.h"
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#include "LoadOGL.h"
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// ---------------------------------------------------------------------------
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#define ANT_NB_OGL_FUNC_MAX 1024
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struct COGLFuncRec
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{
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const char * m_Name;
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GL::PFNOpenGL * m_FuncPtr;
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COGLFuncRec() : m_Name(NULL), m_FuncPtr(NULL) {}
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};
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COGLFuncRec g_OGLFuncRec[ANT_NB_OGL_FUNC_MAX];
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int g_NbOGLFunc = 0;
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#if defined(ANT_WINDOWS)
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HMODULE g_OGLModule = NULL;
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#endif
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// ---------------------------------------------------------------------------
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ANT_GL_IMPL(glAccum)
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ANT_GL_IMPL(glAlphaFunc)
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ANT_GL_IMPL(glAreTexturesResident)
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ANT_GL_IMPL(glArrayElement)
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ANT_GL_IMPL(glBegin)
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ANT_GL_IMPL(glBindTexture)
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ANT_GL_IMPL(glBitmap)
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ANT_GL_IMPL(glBlendFunc)
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ANT_GL_IMPL(glCallList)
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ANT_GL_IMPL(glCallLists)
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ANT_GL_IMPL(glClear)
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ANT_GL_IMPL(glClearAccum)
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ANT_GL_IMPL(glClearColor)
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ANT_GL_IMPL(glClearDepth)
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ANT_GL_IMPL(glClearIndex)
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ANT_GL_IMPL(glClearStencil)
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ANT_GL_IMPL(glClipPlane)
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ANT_GL_IMPL(glColor3b)
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ANT_GL_IMPL(glColor3bv)
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ANT_GL_IMPL(glColor3d)
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ANT_GL_IMPL(glColor3dv)
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ANT_GL_IMPL(glColor3f)
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ANT_GL_IMPL(glColor3fv)
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ANT_GL_IMPL(glColor3i)
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ANT_GL_IMPL(glColor3iv)
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ANT_GL_IMPL(glColor3s)
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ANT_GL_IMPL(glColor3sv)
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ANT_GL_IMPL(glColor3ub)
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ANT_GL_IMPL(glColor3ubv)
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ANT_GL_IMPL(glColor3ui)
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ANT_GL_IMPL(glColor3uiv)
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ANT_GL_IMPL(glColor3us)
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ANT_GL_IMPL(glColor3usv)
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ANT_GL_IMPL(glColor4b)
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ANT_GL_IMPL(glColor4bv)
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ANT_GL_IMPL(glColor4d)
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ANT_GL_IMPL(glColor4dv)
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ANT_GL_IMPL(glColor4f)
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ANT_GL_IMPL(glColor4fv)
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ANT_GL_IMPL(glColor4i)
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ANT_GL_IMPL(glColor4iv)
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ANT_GL_IMPL(glColor4s)
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ANT_GL_IMPL(glColor4sv)
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ANT_GL_IMPL(glColor4ub)
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ANT_GL_IMPL(glColor4ubv)
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ANT_GL_IMPL(glColor4ui)
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ANT_GL_IMPL(glColor4uiv)
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ANT_GL_IMPL(glColor4us)
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ANT_GL_IMPL(glColor4usv)
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ANT_GL_IMPL(glColorMask)
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ANT_GL_IMPL(glColorMaterial)
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ANT_GL_IMPL(glColorPointer)
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ANT_GL_IMPL(glCopyPixels)
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ANT_GL_IMPL(glCopyTexImage1D)
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ANT_GL_IMPL(glCopyTexImage2D)
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ANT_GL_IMPL(glCopyTexSubImage1D)
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ANT_GL_IMPL(glCopyTexSubImage2D)
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ANT_GL_IMPL(glCullFace)
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ANT_GL_IMPL(glDeleteLists)
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ANT_GL_IMPL(glDeleteTextures)
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ANT_GL_IMPL(glDepthFunc)
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ANT_GL_IMPL(glDepthMask)
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ANT_GL_IMPL(glDepthRange)
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ANT_GL_IMPL(glDisable)
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ANT_GL_IMPL(glDisableClientState)
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ANT_GL_IMPL(glDrawArrays)
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ANT_GL_IMPL(glDrawBuffer)
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ANT_GL_IMPL(glDrawElements)
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ANT_GL_IMPL(glDrawPixels)
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ANT_GL_IMPL(glEdgeFlag)
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ANT_GL_IMPL(glEdgeFlagPointer)
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ANT_GL_IMPL(glEdgeFlagv)
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ANT_GL_IMPL(glEnable)
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ANT_GL_IMPL(glEnableClientState)
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ANT_GL_IMPL(glEnd)
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ANT_GL_IMPL(glEndList)
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ANT_GL_IMPL(glEvalCoord1d)
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ANT_GL_IMPL(glEvalCoord1dv)
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ANT_GL_IMPL(glEvalCoord1f)
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ANT_GL_IMPL(glEvalCoord1fv)
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ANT_GL_IMPL(glEvalCoord2d)
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ANT_GL_IMPL(glEvalCoord2dv)
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ANT_GL_IMPL(glEvalCoord2f)
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ANT_GL_IMPL(glEvalCoord2fv)
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ANT_GL_IMPL(glEvalMesh1)
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ANT_GL_IMPL(glEvalMesh2)
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ANT_GL_IMPL(glEvalPoint1)
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ANT_GL_IMPL(glEvalPoint2)
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ANT_GL_IMPL(glFeedbackBuffer)
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ANT_GL_IMPL(glFinish)
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ANT_GL_IMPL(glFlush)
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ANT_GL_IMPL(glFogf)
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ANT_GL_IMPL(glFogfv)
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ANT_GL_IMPL(glFogi)
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ANT_GL_IMPL(glFogiv)
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ANT_GL_IMPL(glFrontFace)
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ANT_GL_IMPL(glFrustum)
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ANT_GL_IMPL(glGenLists)
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ANT_GL_IMPL(glGenTextures)
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ANT_GL_IMPL(glGetBooleanv)
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ANT_GL_IMPL(glGetClipPlane)
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ANT_GL_IMPL(glGetDoublev)
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ANT_GL_IMPL(glGetError)
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ANT_GL_IMPL(glGetFloatv)
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ANT_GL_IMPL(glGetIntegerv)
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ANT_GL_IMPL(glGetLightfv)
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ANT_GL_IMPL(glGetLightiv)
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ANT_GL_IMPL(glGetMapdv)
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ANT_GL_IMPL(glGetMapfv)
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ANT_GL_IMPL(glGetMapiv)
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ANT_GL_IMPL(glGetMaterialfv)
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ANT_GL_IMPL(glGetMaterialiv)
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ANT_GL_IMPL(glGetPixelMapfv)
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ANT_GL_IMPL(glGetPixelMapuiv)
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ANT_GL_IMPL(glGetPixelMapusv)
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ANT_GL_IMPL(glGetPointerv)
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ANT_GL_IMPL(glGetPolygonStipple)
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ANT_GL_IMPL(glGetString)
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ANT_GL_IMPL(glGetTexEnvfv)
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ANT_GL_IMPL(glGetTexEnviv)
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ANT_GL_IMPL(glGetTexGendv)
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ANT_GL_IMPL(glGetTexGenfv)
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ANT_GL_IMPL(glGetTexGeniv)
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ANT_GL_IMPL(glGetTexImage)
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ANT_GL_IMPL(glGetTexLevelParameterfv)
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ANT_GL_IMPL(glGetTexLevelParameteriv)
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ANT_GL_IMPL(glGetTexParameterfv)
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ANT_GL_IMPL(glGetTexParameteriv)
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ANT_GL_IMPL(glHint)
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ANT_GL_IMPL(glIndexMask)
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ANT_GL_IMPL(glIndexPointer)
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ANT_GL_IMPL(glIndexd)
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ANT_GL_IMPL(glIndexdv)
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ANT_GL_IMPL(glIndexf)
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ANT_GL_IMPL(glIndexfv)
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ANT_GL_IMPL(glIndexi)
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ANT_GL_IMPL(glIndexiv)
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ANT_GL_IMPL(glIndexs)
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ANT_GL_IMPL(glIndexsv)
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ANT_GL_IMPL(glIndexub)
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ANT_GL_IMPL(glIndexubv)
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ANT_GL_IMPL(glInitNames)
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ANT_GL_IMPL(glInterleavedArrays)
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ANT_GL_IMPL(glIsEnabled)
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ANT_GL_IMPL(glIsList)
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ANT_GL_IMPL(glIsTexture)
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ANT_GL_IMPL(glLightModelf)
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ANT_GL_IMPL(glLightModelfv)
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ANT_GL_IMPL(glLightModeli)
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ANT_GL_IMPL(glLightModeliv)
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ANT_GL_IMPL(glLightf)
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ANT_GL_IMPL(glLightfv)
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ANT_GL_IMPL(glLighti)
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ANT_GL_IMPL(glLightiv)
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ANT_GL_IMPL(glLineStipple)
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ANT_GL_IMPL(glLineWidth)
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ANT_GL_IMPL(glListBase)
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ANT_GL_IMPL(glLoadIdentity)
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ANT_GL_IMPL(glLoadMatrixd)
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ANT_GL_IMPL(glLoadMatrixf)
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ANT_GL_IMPL(glLoadName)
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ANT_GL_IMPL(glLogicOp)
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ANT_GL_IMPL(glMap1d)
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ANT_GL_IMPL(glMap1f)
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ANT_GL_IMPL(glMap2d)
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ANT_GL_IMPL(glMap2f)
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ANT_GL_IMPL(glMapGrid1d)
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ANT_GL_IMPL(glMapGrid1f)
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ANT_GL_IMPL(glMapGrid2d)
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ANT_GL_IMPL(glMapGrid2f)
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ANT_GL_IMPL(glMaterialf)
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ANT_GL_IMPL(glMaterialfv)
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ANT_GL_IMPL(glMateriali)
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ANT_GL_IMPL(glMaterialiv)
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ANT_GL_IMPL(glMatrixMode)
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ANT_GL_IMPL(glMultMatrixd)
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ANT_GL_IMPL(glMultMatrixf)
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ANT_GL_IMPL(glNewList)
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ANT_GL_IMPL(glNormal3b)
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ANT_GL_IMPL(glNormal3bv)
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ANT_GL_IMPL(glNormal3d)
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ANT_GL_IMPL(glNormal3dv)
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ANT_GL_IMPL(glNormal3f)
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ANT_GL_IMPL(glNormal3fv)
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ANT_GL_IMPL(glNormal3i)
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ANT_GL_IMPL(glNormal3iv)
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ANT_GL_IMPL(glNormal3s)
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ANT_GL_IMPL(glNormal3sv)
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ANT_GL_IMPL(glNormalPointer)
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ANT_GL_IMPL(glOrtho)
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ANT_GL_IMPL(glPassThrough)
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ANT_GL_IMPL(glPixelMapfv)
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ANT_GL_IMPL(glPixelMapuiv)
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ANT_GL_IMPL(glPixelMapusv)
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ANT_GL_IMPL(glPixelStoref)
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ANT_GL_IMPL(glPixelStorei)
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ANT_GL_IMPL(glPixelTransferf)
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ANT_GL_IMPL(glPixelTransferi)
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ANT_GL_IMPL(glPixelZoom)
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ANT_GL_IMPL(glPointSize)
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ANT_GL_IMPL(glPolygonMode)
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ANT_GL_IMPL(glPolygonOffset)
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ANT_GL_IMPL(glPolygonStipple)
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ANT_GL_IMPL(glPopAttrib)
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ANT_GL_IMPL(glPopClientAttrib)
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ANT_GL_IMPL(glPopMatrix)
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ANT_GL_IMPL(glPopName)
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ANT_GL_IMPL(glPrioritizeTextures)
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ANT_GL_IMPL(glPushAttrib)
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ANT_GL_IMPL(glPushClientAttrib)
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ANT_GL_IMPL(glPushMatrix)
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ANT_GL_IMPL(glPushName)
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ANT_GL_IMPL(glRasterPos2d)
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ANT_GL_IMPL(glRasterPos2dv)
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ANT_GL_IMPL(glRasterPos2f)
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ANT_GL_IMPL(glRasterPos2fv)
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ANT_GL_IMPL(glRasterPos2i)
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ANT_GL_IMPL(glRasterPos2iv)
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ANT_GL_IMPL(glRasterPos2s)
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ANT_GL_IMPL(glRasterPos2sv)
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ANT_GL_IMPL(glRasterPos3d)
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ANT_GL_IMPL(glRasterPos3dv)
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ANT_GL_IMPL(glRasterPos3f)
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ANT_GL_IMPL(glRasterPos3fv)
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ANT_GL_IMPL(glRasterPos3i)
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ANT_GL_IMPL(glRasterPos3iv)
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ANT_GL_IMPL(glRasterPos3s)
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ANT_GL_IMPL(glRasterPos3sv)
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ANT_GL_IMPL(glRasterPos4d)
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ANT_GL_IMPL(glRasterPos4dv)
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ANT_GL_IMPL(glRasterPos4f)
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ANT_GL_IMPL(glRasterPos4fv)
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ANT_GL_IMPL(glRasterPos4i)
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ANT_GL_IMPL(glRasterPos4iv)
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ANT_GL_IMPL(glRasterPos4s)
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ANT_GL_IMPL(glRasterPos4sv)
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ANT_GL_IMPL(glReadBuffer)
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ANT_GL_IMPL(glReadPixels)
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ANT_GL_IMPL(glRectd)
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ANT_GL_IMPL(glRectdv)
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ANT_GL_IMPL(glRectf)
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ANT_GL_IMPL(glRectfv)
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ANT_GL_IMPL(glRecti)
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ANT_GL_IMPL(glRectiv)
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ANT_GL_IMPL(glRects)
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ANT_GL_IMPL(glRectsv)
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ANT_GL_IMPL(glRenderMode)
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ANT_GL_IMPL(glRotated)
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ANT_GL_IMPL(glRotatef)
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ANT_GL_IMPL(glScaled)
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ANT_GL_IMPL(glScalef)
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ANT_GL_IMPL(glScissor)
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ANT_GL_IMPL(glSelectBuffer)
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ANT_GL_IMPL(glShadeModel)
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ANT_GL_IMPL(glStencilFunc)
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ANT_GL_IMPL(glStencilMask)
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ANT_GL_IMPL(glStencilOp)
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ANT_GL_IMPL(glTexCoord1d)
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ANT_GL_IMPL(glTexCoord1dv)
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ANT_GL_IMPL(glTexCoord1f)
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ANT_GL_IMPL(glTexCoord1fv)
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ANT_GL_IMPL(glTexCoord1i)
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ANT_GL_IMPL(glTexCoord1iv)
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ANT_GL_IMPL(glTexCoord1s)
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ANT_GL_IMPL(glTexCoord1sv)
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ANT_GL_IMPL(glTexCoord2d)
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ANT_GL_IMPL(glTexCoord2dv)
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ANT_GL_IMPL(glTexCoord2f)
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ANT_GL_IMPL(glTexCoord2fv)
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ANT_GL_IMPL(glTexCoord2i)
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ANT_GL_IMPL(glTexCoord2iv)
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ANT_GL_IMPL(glTexCoord2s)
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ANT_GL_IMPL(glTexCoord2sv)
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ANT_GL_IMPL(glTexCoord3d)
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ANT_GL_IMPL(glTexCoord3dv)
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ANT_GL_IMPL(glTexCoord3f)
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ANT_GL_IMPL(glTexCoord3fv)
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ANT_GL_IMPL(glTexCoord3i)
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ANT_GL_IMPL(glTexCoord3iv)
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ANT_GL_IMPL(glTexCoord3s)
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ANT_GL_IMPL(glTexCoord3sv)
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ANT_GL_IMPL(glTexCoord4d)
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ANT_GL_IMPL(glTexCoord4dv)
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ANT_GL_IMPL(glTexCoord4f)
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ANT_GL_IMPL(glTexCoord4fv)
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ANT_GL_IMPL(glTexCoord4i)
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ANT_GL_IMPL(glTexCoord4iv)
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ANT_GL_IMPL(glTexCoord4s)
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ANT_GL_IMPL(glTexCoord4sv)
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ANT_GL_IMPL(glTexCoordPointer)
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ANT_GL_IMPL(glTexEnvf)
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ANT_GL_IMPL(glTexEnvfv)
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ANT_GL_IMPL(glTexEnvi)
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ANT_GL_IMPL(glTexEnviv)
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ANT_GL_IMPL(glTexGend)
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ANT_GL_IMPL(glTexGendv)
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ANT_GL_IMPL(glTexGenf)
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ANT_GL_IMPL(glTexGenfv)
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ANT_GL_IMPL(glTexGeni)
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ANT_GL_IMPL(glTexGeniv)
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ANT_GL_IMPL(glTexImage1D)
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ANT_GL_IMPL(glTexImage2D)
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ANT_GL_IMPL(glTexParameterf)
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ANT_GL_IMPL(glTexParameterfv)
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ANT_GL_IMPL(glTexParameteri)
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ANT_GL_IMPL(glTexParameteriv)
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ANT_GL_IMPL(glTexSubImage1D)
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ANT_GL_IMPL(glTexSubImage2D)
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ANT_GL_IMPL(glTranslated)
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ANT_GL_IMPL(glTranslatef)
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ANT_GL_IMPL(glVertex2d)
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ANT_GL_IMPL(glVertex2dv)
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ANT_GL_IMPL(glVertex2f)
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ANT_GL_IMPL(glVertex2fv)
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ANT_GL_IMPL(glVertex2i)
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ANT_GL_IMPL(glVertex2iv)
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ANT_GL_IMPL(glVertex2s)
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ANT_GL_IMPL(glVertex2sv)
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ANT_GL_IMPL(glVertex3d)
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ANT_GL_IMPL(glVertex3dv)
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ANT_GL_IMPL(glVertex3f)
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ANT_GL_IMPL(glVertex3fv)
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ANT_GL_IMPL(glVertex3i)
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ANT_GL_IMPL(glVertex3iv)
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ANT_GL_IMPL(glVertex3s)
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ANT_GL_IMPL(glVertex3sv)
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ANT_GL_IMPL(glVertex4d)
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ANT_GL_IMPL(glVertex4dv)
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ANT_GL_IMPL(glVertex4f)
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ANT_GL_IMPL(glVertex4fv)
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ANT_GL_IMPL(glVertex4i)
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ANT_GL_IMPL(glVertex4iv)
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ANT_GL_IMPL(glVertex4s)
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ANT_GL_IMPL(glVertex4sv)
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ANT_GL_IMPL(glVertexPointer)
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ANT_GL_IMPL(glViewport)
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#if defined(ANT_WINDOWS)
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ANT_GL_IMPL(wglGetProcAddress)
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#endif
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namespace GL { PFNGLGetProcAddress _glGetProcAddress = NULL; }
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// ---------------------------------------------------------------------------
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#if defined(ANT_WINDOWS)
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// ---------------------------------------------------------------------------
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int LoadOpenGL()
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{
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if( g_OGLModule!=NULL )
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{
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return 1; // "OpenGL library already loaded"
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}
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g_OGLModule = LoadLibrary("OPENGL32.DLL");
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if( g_OGLModule )
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{
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// Info(VERB_LOW, "Load %d OpenGL functions", g_NbOGLFunc);
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int Res = 1;
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for(int i=0; i<g_NbOGLFunc; ++i)
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{
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assert(g_OGLFuncRec[i].m_FuncPtr!=NULL);
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assert(*(g_OGLFuncRec[i].m_FuncPtr)==NULL);
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assert(g_OGLFuncRec[i].m_Name!=NULL);
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assert(strlen(g_OGLFuncRec[i].m_Name)>0);
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*(g_OGLFuncRec[i].m_FuncPtr) = reinterpret_cast<GL::PFNOpenGL>(GetProcAddress(g_OGLModule, g_OGLFuncRec[i].m_Name));
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if( *(g_OGLFuncRec[i].m_FuncPtr)==NULL )
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Res = 0; // Error("cannot find OpenGL function");
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}
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_glGetProcAddress = reinterpret_cast<GL::PFNGLGetProcAddress>(_wglGetProcAddress);
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if( _glGetProcAddress==NULL )
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Res = 0;
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return Res;
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}
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else
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{
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// InternDisplayLastErrorWIN("Cannot load opengl32 DLL", false);
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return 0; // cannot load DLL
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}
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}
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// ---------------------------------------------------------------------------
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int UnloadOpenGL()
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{
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if( g_OGLModule==NULL )
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{
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return 1; // "OpenGL library not loaded"
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}
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// Info(VERB_LOW, "Unload %d OpenGL functions", g_NbOGLFunc);
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for(int i=0; i<g_NbOGLFunc; ++i)
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{
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assert(g_OGLFuncRec[i].m_FuncPtr!=NULL);
|
|
assert(*(g_OGLFuncRec[i].m_FuncPtr)!=NULL);
|
|
assert(g_OGLFuncRec[i].m_Name!=NULL);
|
|
assert(strlen(g_OGLFuncRec[i].m_Name)>0);
|
|
*(g_OGLFuncRec[i].m_FuncPtr) = NULL;
|
|
}
|
|
if( FreeLibrary(g_OGLModule) )
|
|
{
|
|
// Info(VERB_LOW, "OpenGL library unloaded");
|
|
g_OGLModule = NULL;
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
// InternDisplayLastErrorWIN("Cannot unload opengl32 DLL", false);
|
|
return 0; // cannot unload opengl32.dll
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
namespace GL
|
|
{
|
|
|
|
PFNOpenGL Record(const char *_FuncName, PFNOpenGL *_FuncPtr)
|
|
{
|
|
if( g_NbOGLFunc>=ANT_NB_OGL_FUNC_MAX )
|
|
{
|
|
fprintf(stderr, "Too many OpenGL functions declared. Change ANT_NB_OGL_FUNC_MAX.");
|
|
exit(-1);
|
|
}
|
|
|
|
g_OGLFuncRec[g_NbOGLFunc].m_Name = _FuncName;
|
|
g_OGLFuncRec[g_NbOGLFunc].m_FuncPtr = _FuncPtr;
|
|
++g_NbOGLFunc;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
} // namespace GL
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
#endif // defined(ANT_WINDOWS)
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
#if defined(ANT_UNIX)
|
|
|
|
int LoadOpenGL()
|
|
{
|
|
_glGetProcAddress = reinterpret_cast<GL::PFNGLGetProcAddress>(glXGetProcAddressARB);
|
|
|
|
return 1; // "OpenGL library is statically linked"
|
|
}
|
|
|
|
int UnloadOpenGL()
|
|
{
|
|
return 1; // "OpenGL library is statically linked"
|
|
}
|
|
|
|
#elif defined(ANT_OSX)
|
|
|
|
#include <dlfcn.h>
|
|
|
|
static void *gl_dyld = NULL;
|
|
static const char *gl_prefix = "_";
|
|
void *NSGLGetProcAddressNew(const GLubyte *name)
|
|
{
|
|
void *proc=NULL;
|
|
if (gl_dyld == NULL)
|
|
{
|
|
gl_dyld = dlopen("OpenGL",RTLD_LAZY);
|
|
}
|
|
if (gl_dyld)
|
|
{
|
|
NSString *sym = [[NSString alloc] initWithFormat: @"%s%s",gl_prefix,name];
|
|
proc = dlsym(gl_dyld,[sym UTF8String]);
|
|
[sym release];
|
|
}
|
|
return proc;
|
|
}
|
|
|
|
int LoadOpenGL()
|
|
{
|
|
_glGetProcAddress = reinterpret_cast<GL::PFNGLGetProcAddress>(NSGLGetProcAddressNew);
|
|
|
|
// try to load a symbol
|
|
if (_glGetProcAddress("glBindBufferARB") == NULL)
|
|
{
|
|
// remove the symbols underscore prefix (OSX 10.7 and later)
|
|
gl_prefix = "";
|
|
if (_glGetProcAddress("glBindBufferARB") == NULL)
|
|
{
|
|
// fail: fall back to underscore
|
|
gl_prefix = "_";
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int UnloadOpenGL()
|
|
{
|
|
if (gl_dyld)
|
|
{
|
|
dlclose(gl_dyld);
|
|
gl_dyld = NULL;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
#endif // defined(ANT_UNIX)
|
|
|
|
// ---------------------------------------------------------------------------
|