-//---------------------------------------------------------------------------
// File : RenderTexture.cpp
//---------------------------------------------------------------------------
// Copyright (c) 2002-2004 Mark J. Harris
// Original RenderTexture class: Mark J. Harris
// Original Render to Depth Texture support: Thorsten Scheuermann
// Linux Copy-to-texture: Eric Werness
+// OS X: Alexander Powell (someone please help)
// Various Bug Fixes: Daniel (Redge) Sperl
// Bill Baxter
//
/*
* Changelog:
*
- * Jan. 2005, Removed GLEW dependencies, Erik Hofman
+ * Jan. 2005, Removed GLEW dependencies, Erik Hofman, Fred Bouvier
+ * Nov. 2005, Use the simgear logging facility, Erik Hofman
+ * Mar. 2006, Add MAC OS X support, Alexander Powell
*/
+#ifdef HAVE_CONFIG_H
+# include <simgear_config.h>
+#endif
+
+#ifdef HAVE_WINDOWS_H
+# include <windows.h>
+#endif
#include <simgear/compiler.h>
-#include <simgear/screen/RenderTexture.h>
+#include <simgear/debug/logstream.hxx>
#include <simgear/screen/extensions.hxx>
+#include <simgear/screen/RenderTexture.h>
#include <stdio.h>
#include <stdlib.h>
-#include <stdarg.h>
#include <assert.h>
+#include <stdarg.h>
#ifdef _WIN32
#pragma comment(lib, "gdi32.lib") // required for GetPixelFormat()
using namespace std;
+#ifdef _WIN32
+static bool fctPtrInited = false;
+/* WGL_ARB_pixel_format */
+static wglChoosePixelFormatARBProc wglChoosePixelFormatARBPtr = 0;
+static wglGetPixelFormatAttribivARBProc wglGetPixelFormatAttribivARBPtr = 0;
+/* WGL_ARB_pbuffer */
+static wglCreatePbufferARBProc wglCreatePbufferARBPtr = 0;
+static wglGetPbufferDCARBProc wglGetPbufferDCARBPtr = 0;
+static wglQueryPbufferARBProc wglQueryPbufferARBPtr = 0;
+static wglReleasePbufferDCARBProc wglReleasePbufferDCARBPtr = 0;
+static wglDestroyPbufferARBProc wglDestroyPbufferARBPtr = 0;
+/* WGL_ARB_render_texture */
+static wglBindTexImageARBProc wglBindTexImageARBPtr = 0;
+static wglReleaseTexImageARBProc wglReleaseTexImageARBPtr = 0;
+
+#elif defined( __MACH__ )
+#else /* !_WIN32 */
+static bool glXVersion1_3Present = false;
+static glXChooseFBConfigProc glXChooseFBConfigPtr = 0;
+static glXCreatePbufferProc glXCreatePbufferPtr = 0;
+static glXCreateGLXPbufferProc glXCreateGLXPbufferPtr = 0;
+static glXGetVisualFromFBConfigProc glXGetVisualFromFBConfigPtr = 0;
+static glXCreateContextProc glXCreateContextPtr = 0;
+static glXCreateContextWithConfigProc glXCreateContextWithConfigPtr = 0;
+static glXDestroyPbufferProc glXDestroyPbufferPtr = 0;
+static glXQueryDrawableProc glXQueryDrawablePtr = 0;
+static glXQueryGLXPbufferSGIXProc glXQueryGLXPbufferSGIXPtr = 0;
+#endif
+
//---------------------------------------------------------------------------
// Function : RenderTexture::RenderTexture
// Description :
_bIsTexture(false),
_bIsDepthTexture(false),
_bHasARBDepthTexture(true), // [Redge]
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__MACH__)
_eUpdateMode(RT_RENDER_TO_TEXTURE),
#else
_eUpdateMode(RT_COPY_TO_TEXTURE),
_hPBuffer(NULL),
_hPreviousDC(0),
_hPreviousContext(0),
+#elif defined( __MACH__ )
+ _hGLContext(NULL),
+ _hPBuffer(0),
+ _hPreviousContext(NULL),
#else
_pDisplay(NULL),
_hGLContext(NULL),
_pbufferAttribs.push_back(WGL_PBUFFER_LARGEST_ARB);
_pbufferAttribs.push_back(true);
+#elif defined( __MACH__ )
+ //_pixelFormatAttribs.push_back(kCGLPFANoRecovery);
+ _pixelFormatAttribs.push_back(kCGLPFAAccelerated);
+ _pixelFormatAttribs.push_back(kCGLPFAWindow);
+ _pixelFormatAttribs.push_back(kCGLPFAPBuffer);
#else
_pbufferAttribs.push_back(GLX_RENDER_TYPE_SGIX);
_pbufferAttribs.push_back(GLX_RGBA_BIT_SGIX);
#ifdef _WIN32
_pixelFormatAttribs.push_back(0);
_pbufferAttribs.push_back(0);
+#elif defined(__MACH__)
+ _pixelFormatAttribs.push_back((CGLPixelFormatAttribute)0);
+ _pbufferAttribs.push_back((CGLPixelFormatAttribute)0);
#else
_pixelFormatAttribs.push_back(None);
#endif
_Invalidate();
}
+ //---------------------------------------------------------------------------
+// Function : _cglcheckError
+// Description :
+//---------------------------------------------------------------------------
+/**
+* @fn _cglCheckError()
+* @brief Prints to stderr a description when an OS X error is found.
+*/
+#ifdef __MACH__
+static void _cglCheckErrorHelper(CGLError err, char *sourceFile, int sourceLine)
+{
+# ifdef _DEBUG
+ if (err)
+ {
+ fprintf(stderr, "RenderTexture CGL Error: %s at (%s,%d)",
+ CGLErrorString(err), sourceFile, sourceLine);
+ }
+# endif
+}
+
+# define _cglCheckError(err) _cglCheckErrorHelper(err,__FILE__,__LINE__)
+
+#endif
+
//---------------------------------------------------------------------------
// Function : _wglGetLastError
switch(err)
{
case ERROR_INVALID_PIXEL_FORMAT:
- fprintf(stderr,
- "RenderTexture Win32 Error: ERROR_INVALID_PIXEL_FORMAT\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Win32 Error: ERROR_INVALID_PIXEL_FORMAT");
break;
case ERROR_NO_SYSTEM_RESOURCES:
- fprintf(stderr,
- "RenderTexture Win32 Error: ERROR_NO_SYSTEM_RESOURCES\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Win32 Error: ERROR_NO_SYSTEM_RESOURCES");
break;
case ERROR_INVALID_DATA:
- fprintf(stderr,
- "RenderTexture Win32 Error: ERROR_INVALID_DATA\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Win32 Error: ERROR_INVALID_DATA");
break;
case ERROR_INVALID_WINDOW_HANDLE:
- fprintf(stderr,
- "RenderTexture Win32 Error: ERROR_INVALID_WINDOW_HANDLE\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Win32 Error: ERROR_INVALID_WINDOW_HANDLE");
break;
case ERROR_RESOURCE_TYPE_NOT_FOUND:
- fprintf(stderr,
- "RenderTexture Win32 Error: ERROR_RESOURCE_TYPE_NOT_FOUND\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Win32 Error: ERROR_RESOURCE_TYPE_NOT_FOUND");
break;
case ERROR_SUCCESS:
// no error
0,
NULL);
- fprintf(stderr, "RenderTexture Win32 Error %d: %s\n", err, lpMsgBuf);
+ SG_LOG(SG_GL, SG_ALERT, "RenderTexture Win32 Error " << err << ":" << lpMsgBuf);
LocalFree( lpMsgBuf );
break;
}
*/
void PrintExtensionError( char* strMsg, ... )
{
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
"Error: RenderTexture requires the following unsupported "
- "OpenGL extensions: \n");
+ "OpenGL extensions: ");
char strBuffer[512];
va_list args;
va_start(args, strMsg);
-#ifdef _WIN32
+#if defined _WIN32 && !defined __CYGWIN__
_vsnprintf( strBuffer, 512, strMsg, args );
#else
vsnprintf( strBuffer, 512, strMsg, args );
#endif
va_end(args);
- fprintf(stderr, strMsg);
+ SG_LOG(SG_GL, SG_ALERT, strMsg);
}
+
//---------------------------------------------------------------------------
// Function : RenderTexture::Initialize
// Description :
if (_bInitialized)
_Invalidate();
-#if _WIN32
+#ifdef _WIN32
// Get the current context.
HDC hdc = wglGetCurrentDC();
if (NULL == hdc)
iFormat = GetPixelFormat(hdc);
if (iFormat == 0)
{
- fprintf(stderr,
- "RenderTexture Error: GetPixelFormat() failed.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: GetPixelFormat() failed.");
return false;
}
}
else
{
- if (!wglChoosePixelFormatARB(hdc, &_pixelFormatAttribs[0], NULL,
+ if (!wglChoosePixelFormatARBPtr(hdc, &_pixelFormatAttribs[0], NULL,
1, &iFormat, &iNumFormats))
{
- fprintf(stderr,
- "RenderTexture Error: wglChoosePixelFormatARB() failed.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: wglChoosePixelFormatARB() failed.");
_wglGetLastError();
return false;
}
if ( iNumFormats <= 0 )
{
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
"RenderTexture Error: Couldn't find a suitable "
- "pixel format.\n");
+ "pixel format.");
_wglGetLastError();
return false;
}
}
// Create the p-buffer.
- _hPBuffer = wglCreatePbufferARB(hdc, iFormat, _iWidth, _iHeight,
+ _hPBuffer = wglCreatePbufferARBPtr(hdc, iFormat, _iWidth, _iHeight,
&_pbufferAttribs[0]);
if (!_hPBuffer)
{
- fprintf(stderr,
- "RenderTexture Error: wglCreatePbufferARB() failed.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: wglCreatePbufferARB() failed.");
_wglGetLastError();
return false;
}
// Get the device context.
- _hDC = wglGetPbufferDCARB( _hPBuffer);
+ _hDC = wglGetPbufferDCARBPtr( _hPBuffer);
if ( !_hDC )
{
- fprintf(stderr,
- "RenderTexture Error: wglGetGetPbufferDCARB() failed.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: wglGetGetPbufferDCARB() failed.");
_wglGetLastError();
return false;
}
_hGLContext = wglCreateContext( _hDC );
if ( !_hGLContext )
{
- fprintf(stderr,
- "RenderTexture Error: wglCreateContext() failed.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: wglCreateContext() failed.");
_wglGetLastError();
return false;
}
{
if( !wglShareLists(hglrc, _hGLContext) )
{
- fprintf(stderr,
- "RenderTexture Error: wglShareLists() failed.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: wglShareLists() failed.");
_wglGetLastError();
return false;
}
}
// Determine the actual width and height we were able to create.
- wglQueryPbufferARB( _hPBuffer, WGL_PBUFFER_WIDTH_ARB, &_iWidth );
- wglQueryPbufferARB( _hPBuffer, WGL_PBUFFER_HEIGHT_ARB, &_iHeight );
+ wglQueryPbufferARBPtr( _hPBuffer, WGL_PBUFFER_WIDTH_ARB, &_iWidth );
+ wglQueryPbufferARBPtr( _hPBuffer, WGL_PBUFFER_HEIGHT_ARB, &_iHeight );
_bInitialized = true;
//int bits[6];
int value;
_iNumColorBits[0] =
- (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ (wglGetPixelFormatAttribivARBPtr(_hDC, iFormat, 0, 1, &attrib, &value))
? value : 0;
attrib = WGL_GREEN_BITS_ARB;
_iNumColorBits[1] =
- (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ (wglGetPixelFormatAttribivARBPtr(_hDC, iFormat, 0, 1, &attrib, &value))
? value : 0;
attrib = WGL_BLUE_BITS_ARB;
_iNumColorBits[2] =
- (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ (wglGetPixelFormatAttribivARBPtr(_hDC, iFormat, 0, 1, &attrib, &value))
? value : 0;
attrib = WGL_ALPHA_BITS_ARB;
_iNumColorBits[3] =
- (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ (wglGetPixelFormatAttribivARBPtr(_hDC, iFormat, 0, 1, &attrib, &value))
? value : 0;
attrib = WGL_DEPTH_BITS_ARB;
_iNumDepthBits =
- (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ (wglGetPixelFormatAttribivARBPtr(_hDC, iFormat, 0, 1, &attrib, &value))
? value : 0;
attrib = WGL_STENCIL_BITS_ARB;
_iNumStencilBits =
- (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ (wglGetPixelFormatAttribivARBPtr(_hDC, iFormat, 0, 1, &attrib, &value))
? value : 0;
attrib = WGL_DOUBLE_BUFFER_ARB;
_bDoubleBuffered =
- (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ (wglGetPixelFormatAttribivARBPtr(_hDC, iFormat, 0, 1, &attrib, &value))
? (value?true:false) : false;
#if defined(_DEBUG) | defined(DEBUG)
- fprintf(stderr, "Created a %dx%d RenderTexture with BPP(%d, %d, %d, %d)",
- _iWidth, _iHeight,
- _iNumColorBits[0], _iNumColorBits[1],
- _iNumColorBits[2], _iNumColorBits[3]);
- if (_iNumDepthBits) fprintf(stderr, " depth=%d", _iNumDepthBits);
- if (_iNumStencilBits) fprintf(stderr, " stencil=%d", _iNumStencilBits);
- if (_bDoubleBuffered) fprintf(stderr, " double buffered");
- fprintf(stderr, "\n");
+ SG_LOG(SG_GL, SG_ALERT, "Created a " << _iWidth << "x" << _iHeight <<
+ " RenderTexture with BPP(" <<
+ _iNumColorBits[0] << "," << _iNumColorBits[1] << "," <<
+ _iNumColorBits[2] << "," << _iNumColorBits[3] << ")");
+ if (_iNumDepthBits) SG_LOG(SG_GL, SG_ALERT, " depth=" << _iNumDepthBits);
+ if (_iNumStencilBits) SG_LOG(SG_GL, SG_ALERT, " stencil=" << _iNumStencilBits);
+ if (_bDoubleBuffered) SG_LOG(SG_GL, SG_ALERT, " double buffered");
#endif
-#else // !_WIN32
+#elif defined( __MACH__ )
+ // Get the current context.
+ CGLContextObj hglrc = CGLGetCurrentContext();
+ if (NULL == hglrc)
+ fprintf(stderr, "Couldn't get current context!");
+
+ CGLPixelFormatObj pixFormat = NULL;
+ long int iNumFormats;
+ CGLError error;
+
+ // Copy the _pixelFormatAttribs into another array to fix
+ // typecast issues
+ CGLPixelFormatAttribute *pixFormatAttribs =
+ (CGLPixelFormatAttribute *)malloc(sizeof(CGLPixelFormatAttribute)
+ * _pixelFormatAttribs.size());
+
+ for (unsigned int ii = 0; ii < _pixelFormatAttribs.size(); ii++)
+ {
+ pixFormatAttribs[ii] =
+ (CGLPixelFormatAttribute)_pixelFormatAttribs[ii];
+ }
+
+ if (error =
+ CGLChoosePixelFormat(&pixFormatAttribs[0], &pixFormat, &iNumFormats))
+ {
+ fprintf(stderr,
+ "RenderTexture Error: CGLChoosePixelFormat() failed.\n");
+ _cglCheckError(error);
+ return false;
+ }
+ if ( iNumFormats <= 0 )
+ {
+ fprintf(stderr,
+ "RenderTexture Error: Couldn't find a suitable "+
+ "pixel format.\n");
+ return false;
+ }
+
+ // Free the copy of the _pixelFormatAttribs array
+ free(pixFormatAttribs);
+
+ // Create the context.
+ error = CGLCreateContext(pixFormat, (_bShareObjects)
+ ? CGLGetCurrentContext() : NULL, &_hGLContext);
+ if (error)
+ {
+ fprintf(stderr,
+ "RenderTexture Error: CGLCreateContext() failed.\n");
+ _cglCheckError(error);
+ return false;
+ }
+ CGLDestroyPixelFormat(pixFormat);
+
+ // Create the p-buffer.
+ error = CGLCreatePBuffer(_iWidth, _iHeight, (_bRectangle)
+ ? GL_TEXTURE_RECTANGLE_EXT : GL_TEXTURE_2D, GL_RGBA, 0, &_hPBuffer);
+ if (error)
+ {
+ fprintf(stderr,
+ "RenderTexture Error: CGLCreatePBuffer() failed.\n");
+ _cglCheckError(error);
+ return false;
+ }
+
+ long screen;
+ if (error = CGLGetVirtualScreen(CGLGetCurrentContext(), &screen))
+ {
+ _cglCheckError(error);
+ return false;
+ }
+ if (error = CGLSetPBuffer(_hGLContext, _hPBuffer, 0, 0, screen))
+ {
+ _cglCheckError(error);
+ return false;
+ }
+
+ // Determine the actual width and height we were able to create.
+ //wglQueryPbufferARB( _hPBuffer, WGL_PBUFFER_WIDTH_ARB, &_iWidth );
+ //wglQueryPbufferARB( _hPBuffer, WGL_PBUFFER_HEIGHT_ARB, &_iHeight );
+
+ _bInitialized = true;
+
+ /*
+ // get the actual number of bits allocated:
+ int attrib = WGL_RED_BITS_ARB;
+ //int bits[6];
+ int value;
+ _iNumColorBits[0] =
+ (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ ? value : 0;
+ attrib = WGL_GREEN_BITS_ARB;
+ _iNumColorBits[1] =
+ (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ ? value : 0;
+ attrib = WGL_BLUE_BITS_ARB;
+ _iNumColorBits[2] =
+ (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ ? value : 0;
+ attrib = WGL_ALPHA_BITS_ARB;
+ _iNumColorBits[3] =
+ (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ ? value : 0;
+ attrib = WGL_DEPTH_BITS_ARB;
+ _iNumDepthBits =
+ (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ ? value : 0;
+ attrib = WGL_STENCIL_BITS_ARB;
+ _iNumStencilBits =
+ (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ ? value : 0;
+ attrib = WGL_DOUBLE_BUFFER_ARB;
+ _bDoubleBuffered =
+ (wglGetPixelFormatAttribivARB(_hDC, iFormat, 0, 1, &attrib, &value))
+ ? (value?true:false) : false;
+ */
+
+#if defined(_DEBUG) | defined(DEBUG)
+ fprintf(stderr, "Created a %dx%d RenderTexture with BPP(%d, %d, %d, %d)",
+ _iWidth, _iHeight,
+ _iNumColorBits[0], _iNumColorBits[1],
+ _iNumColorBits[2], _iNumColorBits[3]);
+ if (_iNumDepthBits) fprintf(stderr, " depth=%d", _iNumDepthBits);
+ if (_iNumStencilBits) fprintf(stderr, " stencil=%d", _iNumStencilBits);
+ if (_bDoubleBuffered) fprintf(stderr, " double buffered");
+ fprintf(stderr, "\n");
+#endif
+
+#else // !_WIN32, !__MACH_
_pDisplay = glXGetCurrentDisplay();
GLXContext context = glXGetCurrentContext();
int screen = DefaultScreen(_pDisplay);
XVisualInfo *visInfo;
- int iFormat = 0;
- int iNumFormats;
- int attrib = 0;
-
- GLXFBConfigSGIX *fbConfigs;
+ GLXFBConfig *fbConfigs;
int nConfigs;
- fbConfigs = glXChooseFBConfigSGIX(_pDisplay, screen,
+ fbConfigs = glXChooseFBConfigPtr(_pDisplay, screen,
&_pixelFormatAttribs[0], &nConfigs);
if (nConfigs == 0 || !fbConfigs)
{
- fprintf(stderr,
- "RenderTexture Error: Couldn't find a suitable pixel format.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: Couldn't find a suitable pixel format.");
return false;
}
// Pick the first returned format that will return a pbuffer
- for (int i=0;i<nConfigs;i++)
+ if (glXVersion1_3Present)
+ {
+ int pbufAttrib[] = {
+ GLX_PBUFFER_WIDTH, _iWidth,
+ GLX_PBUFFER_HEIGHT, _iHeight,
+ GLX_LARGEST_PBUFFER, False,
+ None
+ };
+ for (int i=0;i<nConfigs;i++)
+ {
+ _hPBuffer = glXCreatePbufferPtr(_pDisplay, fbConfigs[i], pbufAttrib);
+ if (_hPBuffer)
+ {
+ XVisualInfo *visInfo = glXGetVisualFromFBConfigPtr(_pDisplay, fbConfigs[i]);
+
+ _hGLContext = glXCreateContextPtr(_pDisplay, visInfo,
+ _bShareObjects ? context : NULL,
+ True);
+ if (!_hGLContext)
+ {
+ return false;
+ }
+ XFree( visInfo );
+ break;
+ }
+ }
+ }
+ else
{
- _hPBuffer = glXCreateGLXPbufferSGIX(_pDisplay, fbConfigs[i],
- _iWidth, _iHeight, NULL);
- if (_hPBuffer)
+ int iFormat = 0;
+ int iNumFormats;
+ int attrib = 0;
+ for (int i=0;i<nConfigs;i++)
{
- _hGLContext = glXCreateContextWithConfigSGIX(_pDisplay,
- fbConfigs[i],
- GLX_RGBA_TYPE,
- _bShareObjects ? context : NULL,
- True);
- break;
+ _hPBuffer = glXCreateGLXPbufferPtr(_pDisplay, fbConfigs[i],
+ _iWidth, _iHeight, NULL);
+ if (_hPBuffer)
+ {
+ _hGLContext = glXCreateContextWithConfigPtr(_pDisplay,
+ fbConfigs[i],
+ GLX_RGBA_TYPE,
+ _bShareObjects ? context : NULL,
+ True);
+ break;
+ }
}
}
+ XFree( fbConfigs );
if (!_hPBuffer)
{
- fprintf(stderr,
- "RenderTexture Error: glXCreateGLXPbufferSGIX() failed.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: glXCreateGLXPbufferPtr() failed.");
return false;
}
_bShareObjects ? context : NULL, False);
if ( !_hGLContext )
{
- fprintf(stderr,
- "RenderTexture Error: glXCreateContext() failed.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: glXCreateContext() failed.");
return false;
}
}
- glXQueryGLXPbufferSGIX(_pDisplay, _hPBuffer, GLX_WIDTH_SGIX,
- (GLuint*)&_iWidth);
- glXQueryGLXPbufferSGIX(_pDisplay, _hPBuffer, GLX_HEIGHT_SGIX,
- (GLuint*)&_iHeight);
+ if (!glXVersion1_3Present)
+ {
+ glXQueryGLXPbufferSGIXPtr(_pDisplay, _hPBuffer, GLX_WIDTH_SGIX,
+ (GLuint*)&_iWidth);
+ glXQueryGLXPbufferSGIXPtr(_pDisplay, _hPBuffer, GLX_HEIGHT_SGIX,
+ (GLuint*)&_iHeight);
+ }
_bInitialized = true;
_wglGetLastError();
return false;
}
+#elif defined( __MACH__ )
+ CGLError err;
+ if (err = CGLSetCurrentContext(_hGLContext))
+ {
+ _cglCheckError(err);
+ return false;
+ }
#else
_hPreviousContext = glXGetCurrentContext();
_hPreviousDrawable = glXGetCurrentDrawable();
_wglGetLastError();
return false;
}
+#elif defined( __MACH__ )
+ if (err = CGLSetCurrentContext(_hPreviousContext))
+ {
+ _cglCheckError(err);
+ return false;
+ }
#else
if (False == glXMakeCurrent(_pDisplay,
_hPreviousDrawable, _hPreviousContext))
{
return false;
}
+ if (glXVersion1_3Present)
+ {
+ GLXDrawable draw = glXGetCurrentDrawable();
+ glXQueryDrawablePtr(_pDisplay, draw, GLX_WIDTH, (unsigned int*)&_iWidth);
+ glXQueryDrawablePtr(_pDisplay, draw, GLX_HEIGHT, (unsigned int*)&_iHeight);
+ }
#endif
return result;
glDeleteTextures(1, &_iDepthTextureID);
}
-#if _WIN32
+#ifdef _WIN32
if ( _hPBuffer )
{
// Check if we are currently rendering in the pbuffer
wglMakeCurrent(0,0);
if (!_bCopyContext)
wglDeleteContext( _hGLContext);
- wglReleasePbufferDCARB( _hPBuffer, _hDC);
- wglDestroyPbufferARB( _hPBuffer );
+ wglReleasePbufferDCARBPtr( _hPBuffer, _hDC);
+ wglDestroyPbufferARBPtr( _hPBuffer );
_hPBuffer = 0;
return true;
}
+#elif defined( __MACH__ )
+ if ( _hPBuffer )
+ {
+ if (CGLGetCurrentContext() == _hGLContext)
+ CGLSetCurrentContext(NULL);
+ if (!_bCopyContext)
+ CGLDestroyContext(_hGLContext);
+ CGLDestroyPBuffer(_hPBuffer);
+ _hPBuffer = NULL;
+ return true;
+ }
#else
if ( _hPBuffer )
{
if(glXGetCurrentContext() == _hGLContext)
// XXX I don't know if this is right at all
glXMakeCurrent(_pDisplay, _hPBuffer, 0);
- glXDestroyGLXPbufferSGIX(_pDisplay, _hPBuffer);
+ glXDestroyPbufferPtr(_pDisplay, _hPBuffer);
_hPBuffer = 0;
return true;
}
_iWidth = 0; _iHeight = 0;
_bIsTexture = false; _bIsDepthTexture = false,
_bHasARBDepthTexture = true;
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__MACH__)
_eUpdateMode = RT_RENDER_TO_TEXTURE;
#else
_eUpdateMode = RT_COPY_TO_TEXTURE;
if (IsInitialized() && !_Invalidate())
{
- fprintf(stderr, "RenderTexture::Reset(): failed to invalidate.\n");
+ SG_LOG(SG_GL, SG_ALERT, "RenderTexture::Reset(): failed to invalidate.");
return false;
}
_pbufferAttribs.push_back(WGL_PBUFFER_LARGEST_ARB);
_pbufferAttribs.push_back(true);
+#elif defined( __MACH__ )
+ //_pixelFormatAttribs.push_back(kCGLPFANoRecovery);
+ _pixelFormatAttribs.push_back(kCGLPFAAccelerated);
+ _pixelFormatAttribs.push_back(kCGLPFAWindow);
+ _pixelFormatAttribs.push_back(kCGLPFAPBuffer);
#else
_pbufferAttribs.push_back(GLX_RENDER_TYPE_SGIX);
_pbufferAttribs.push_back(GLX_RGBA_BIT_SGIX);
va_list args;
char strBuffer[256];
va_start(args,strMode);
-#ifdef _WIN32
+#if defined _WIN32 && !defined __CYGWIN__
_vsnprintf( strBuffer, 256, strMode, args );
#else
vsnprintf( strBuffer, 256, strMode, args );
#ifdef _WIN32
_pixelFormatAttribs.push_back(0);
_pbufferAttribs.push_back(0);
+#elif defined(__MACH__)
+ _pixelFormatAttribs.push_back((CGLPixelFormatAttribute)0);
#else
_pixelFormatAttribs.push_back(None);
#endif
bool RenderTexture::Resize(int iWidth, int iHeight)
{
if (!_bInitialized) {
- fprintf(stderr, "RenderTexture::Resize(): must Initialize() first.\n");
+ SG_LOG(SG_GL, SG_ALERT, "RenderTexture::Resize(): must Initialize() first.");
return false;
}
if (iWidth == _iWidth && iHeight == _iHeight) {
wglMakeCurrent(0,0);
if (!_bCopyContext)
wglDeleteContext( _hGLContext);
- wglReleasePbufferDCARB( _hPBuffer, _hDC);
- wglDestroyPbufferARB( _hPBuffer );
+ wglReleasePbufferDCARBPtr( _hPBuffer, _hDC);
+ wglDestroyPbufferARBPtr( _hPBuffer );
_hPBuffer = 0;
return true;
}
+#elif defined( __MACH__ )
+ if ( _hPBuffer )
+ {
+ if (CGLGetCurrentContext() == _hGLContext)
+ CGLSetCurrentContext(NULL);
+ if (!_bCopyContext)
+ CGLDestroyContext(_hGLContext);
+ CGLDestroyPBuffer(_hPBuffer);
+ _hPBuffer = NULL;
+ return true;
+ }
#else
if ( _hPBuffer )
{
if(glXGetCurrentContext() == _hGLContext)
// XXX I don't know if this is right at all
glXMakeCurrent(_pDisplay, _hPBuffer, 0);
- glXDestroyGLXPbufferSGIX(_pDisplay, _hPBuffer);
+ glXDestroyPbufferPtr(_pDisplay, _hPBuffer);
_hPBuffer = 0;
}
#endif
else {
- fprintf(stderr, "RenderTexture::Resize(): failed to resize.\n");
+ SG_LOG(SG_GL, SG_ALERT, "RenderTexture::Resize(): failed to resize.");
return false;
}
_bInitialized = false;
{
if (!_bInitialized)
{
- fprintf(stderr,
- "RenderTexture::BeginCapture(): Texture is not initialized!\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture::BeginCapture(): Texture is not initialized!");
return false;
}
#ifdef _WIN32
_hPreviousContext = wglGetCurrentContext();
if (NULL == _hPreviousContext)
_wglGetLastError();
+#elif defined( __MACH__ )
+ _hPreviousContext = CGLGetCurrentContext();
#else
_hPreviousContext = glXGetCurrentContext();
_hPreviousDrawable = glXGetCurrentDrawable();
{
if (!_bInitialized)
{
- fprintf(stderr,
- "RenderTexture::EndCapture() : Texture is not initialized!\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture::EndCapture() : Texture is not initialized!");
return false;
}
+ glFlush(); // Added by a-lex
+
_MaybeCopyBuffer();
#ifdef _WIN32
_wglGetLastError();
return false;
}
+#elif defined( __MACH__ )
+ CGLError err;
+ if (err = CGLSetCurrentContext(_hPreviousContext))
+ {
+ _cglCheckError(err);
+ return false;
+ }
#else
if (False == glXMakeCurrent(_pDisplay, _hPreviousDrawable,
_hPreviousContext))
}
if (!_bInitialized)
{
- fprintf(stderr,
- "RenderTexture::BeginCapture(RenderTexture*): Texture is not initialized!\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture::BeginCapture(RenderTexture*): Texture is not initialized!");
return false;
}
if (!current->_bInitialized)
{
- fprintf(stderr,
- "RenderTexture::BeginCapture(RenderTexture): 'current' texture is not initialized!\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture::BeginCapture(RenderTexture): 'current' texture is not initialized!");
return false;
}
_hPreviousContext = current->_hPreviousContext;
if (NULL == _hPreviousContext)
_wglGetLastError();
+#elif defined( __MACH__ )
+ _hPreviousContext = current->_hPreviousContext;
#else
_hPreviousContext = current->_hPreviousContext;
_hPreviousDrawable = current->_hPreviousDrawable;
{
glBindTexture(_iTextureTarget, _iTextureID);
-#if _WIN32
+#ifdef _WIN32
if (RT_RENDER_TO_TEXTURE == _eUpdateMode && _bIsTexture &&
(!_bIsBufferBound || _iCurrentBoundBuffer != iBuffer))
{
- if (FALSE == wglBindTexImageARB(_hPBuffer, iBuffer))
+ if (FALSE == wglBindTexImageARBPtr(_hPBuffer, iBuffer))
{
// WVB: WGL API considers binding twice to the same buffer
// to be an error. But we don't want to
_bIsBufferBound = true;
_iCurrentBoundBuffer = iBuffer;
}
+#elif defined(__MACH__)
+ if (RT_RENDER_TO_TEXTURE == _eUpdateMode && _bIsTexture &&
+ (!_bIsBufferBound || _iCurrentBoundBuffer != iBuffer))
+ {
+ CGLError err;
+ if (err=CGLTexImagePBuffer(CGLGetCurrentContext(), _hPBuffer, iBuffer))
+ {
+ _cglCheckError(err);
+ }
+ _bIsBufferBound = true;
+ _iCurrentBoundBuffer = iBuffer;
+ }
#endif
}
return true;
//---------------------------------------------------------------------------
-// Function : RenderTexture::BindBuffer
+// Function : RenderTexture::BindDepthBuffer
// Description :
//---------------------------------------------------------------------------
/**
RT_RENDER_TO_TEXTURE == _eUpdateMode)
{
glBindTexture(_iTextureTarget, _iDepthTextureID);
- if (FALSE == wglBindTexImageARB(_hPBuffer, WGL_DEPTH_COMPONENT_NV))
+ if (FALSE == wglBindTexImageARBPtr(_hPBuffer, WGL_DEPTH_COMPONENT_NV))
{
_wglGetLastError();
return false;
}
}
+#elif defined(__MACH__)
+ if (_bInitialized && _bIsDepthTexture &&
+ RT_RENDER_TO_TEXTURE == _eUpdateMode)
+ {
+ glBindTexture(_iTextureTarget, _iDepthTextureID);
+ //if (FALSE == CGLTexImagePBuffer(<#CGLContextObj ctx#>,<#CGLPBufferObj pbuffer#>,<#unsigned long source#>)(_hPBuffer, WGL_DEPTH_COMPONENT_NV))
+ //{
+ // _wglGetLastError();
+ // return false;
+ //}
+ }
#endif
return true;
}
return;
_iNumComponents = 0;
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__MACH__)
_eUpdateMode = RT_RENDER_TO_TEXTURE;
#else
_eUpdateMode = RT_COPY_TO_TEXTURE;
pfAttribs.push_back(bitVec[1]);
pfAttribs.push_back(WGL_BLUE_BITS_ARB);
pfAttribs.push_back(bitVec[2]);
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_RED_SIZE);
+ pfAttribs.push_back(bitVec[0]);
+ pfAttribs.push_back(AGL_GREEN_SIZE);
+ pfAttribs.push_back(bitVec[1]);
+ pfAttribs.push_back(AGL_BLUE_SIZE);
+ pfAttribs.push_back(bitVec[2]);
+# else
+ pfAttribs.push_back(kCGLPFAColorSize);
+ pfAttribs.push_back(bitVec[0] + bitVec[1] + bitVec[2]);
+# endif
#else
-# ifndef sgi
pfAttribs.push_back(GLX_RED_SIZE);
pfAttribs.push_back(bitVec[0]);
pfAttribs.push_back(GLX_GREEN_SIZE);
pfAttribs.push_back(bitVec[1]);
pfAttribs.push_back(GLX_BLUE_SIZE);
pfAttribs.push_back(bitVec[2]);
-# endif
#endif
- _iNumComponents += 3;
+ _iNumComponents += 3;
continue;
}
else if (kv.first == "rgb")
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
"RenderTexture Warning: mistake in components definition "
- "(rgb + %d).\n",
- _iNumComponents);
-
+ "(rgb + " << _iNumComponents << ").");
if (kv.first == "rgba" && (_iNumComponents == 0))
{
pfAttribs.push_back(bitVec[2]);
pfAttribs.push_back(WGL_ALPHA_BITS_ARB);
pfAttribs.push_back(bitVec[3]);
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_RED_SIZE);
+ pfAttribs.push_back(bitVec[0]);
+ pfAttribs.push_back(AGL_GREEN_SIZE);
+ pfAttribs.push_back(bitVec[1]);
+ pfAttribs.push_back(AGL_BLUE_SIZE);
+ pfAttribs.push_back(bitVec[2]);
+ pfAttribs.push_back(AGL_ALPHA_SIZE);
+ pfAttribs.push_back(bitVec[3]);
+# else
+ pfAttribs.push_back(kCGLPFAColorSize);
+ pfAttribs.push_back(bitVec[0] + bitVec[1] + bitVec[2] + bitVec[3]);
+ //pfAttribs.push_back(kCGLPFAAlphaSize);
+ //pfAttribs.push_back(bitVec[3]);
+ // printf("Color size: %d\n", bitVec[0] + bitVec[1] + bitVec[2] + bitVec[3]);
+
+# endif
#else
-# ifndef sgi
pfAttribs.push_back(GLX_RED_SIZE);
pfAttribs.push_back(bitVec[0]);
pfAttribs.push_back(GLX_GREEN_SIZE);
pfAttribs.push_back(bitVec[2]);
pfAttribs.push_back(GLX_ALPHA_SIZE);
pfAttribs.push_back(bitVec[3]);
-# endif
#endif
- _iNumComponents = 4;
+ _iNumComponents = 4;
continue;
}
else if (kv.first == "rgba")
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
"RenderTexture Warning: mistake in components definition "
- "(rgba + %d).\n",
- _iNumComponents);
+ "(rgba + " << _iNumComponents << ").");
if (kv.first == "r" && (_iNumComponents <= 1))
{
#ifdef _WIN32
pfAttribs.push_back(WGL_RED_BITS_ARB);
pfAttribs.push_back(bitVec[0]);
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_RED_SIZE);
+ pfAttribs.push_back(bitVec[0]);
+# else
+ pfAttribs.push_back(kCGLPFAColorSize);
+ pfAttribs.push_back(bitVec[0]);
+# endif
#else
pfAttribs.push_back(GLX_RED_SIZE);
pfAttribs.push_back(bitVec[0]);
_iNumComponents++;
continue;
}
- else if (kv.first == "r")
- fprintf(stderr,
+ else if (kv.first == "r")
+ SG_LOG(SG_GL, SG_ALERT,
"RenderTexture Warning: mistake in components definition "
- "(r + %d).\n",
- _iNumComponents);
+ "(r + " << _iNumComponents << ").");
if (kv.first == "rg" && (_iNumComponents <= 1))
{
pfAttribs.push_back(bitVec[0]);
pfAttribs.push_back(WGL_GREEN_BITS_ARB);
pfAttribs.push_back(bitVec[1]);
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_RED_SIZE);
+ pfAttribs.push_back(bitVec[0]);
+ pfAttribs.push_back(AGL_GREEN_SIZE);
+ pfAttribs.push_back(bitVec[1]);
+# else
+ pfAttribs.push_back(kCGLPFAColorSize);
+ pfAttribs.push_back(bitVec[0] + bitVec[1]);
+# endif
#else
pfAttribs.push_back(GLX_RED_SIZE);
pfAttribs.push_back(bitVec[0]);
continue;
}
else if (kv.first == "rg")
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
"RenderTexture Warning: mistake in components definition "
- "(rg + %d).\n",
- _iNumComponents);
+ "(rg + " << _iNumComponents << ").");
if (kv.first == "depth")
{
bHasStencil = true;
#ifdef _WIN32
pfAttribs.push_back(WGL_STENCIL_BITS_ARB);
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_STENCIL_SIZE);
+# else
+ pfAttribs.push_back(kCGLPFAStencilSize);
+# endif
#else
pfAttribs.push_back(GLX_STENCIL_SIZE);
#endif
pfAttribs.push_back(1);
pfAttribs.push_back(WGL_SAMPLES_ARB);
pfAttribs.push_back(strtol(kv.second.c_str(), 0, 10));
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_SAMPLE_BUFFERS_ARB);
+ pfAttribs.push_back(1);
+ pfAttribs.push_back(AGL_SAMPLES_ARB);
+# else
+ pfAttribs.push_back(kCGLPFAMultisample);
+ pfAttribs.push_back(kCGLPFASamples);
+# endif
+ pfAttribs.push_back(strtol(kv.second.c_str(), 0, 10));
#else
- pfAttribs.push_back(GL_SAMPLE_BUFFERS_ARB);
+ pfAttribs.push_back(GLX_SAMPLE_BUFFERS_ARB);
pfAttribs.push_back(1);
- pfAttribs.push_back(GL_SAMPLES_ARB);
+ pfAttribs.push_back(GLX_SAMPLES_ARB);
pfAttribs.push_back(strtol(kv.second.c_str(), 0, 10));
#endif
continue;
#ifdef _WIN32
pfAttribs.push_back(WGL_DOUBLE_BUFFER_ARB);
pfAttribs.push_back(true);
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_DOUBLEBUFFER);
+ pfAttribs.push_back(True);
+# else
+ pfAttribs.push_back(kCGLPFADoubleBuffer);
+# endif
#else
- pfAttribs.push_back(GL_DOUBLEBUFFER);
+ pfAttribs.push_back(GLX_DOUBLEBUFFER);
pfAttribs.push_back(True);
#endif
continue;
{
#ifdef _WIN32
pfAttribs.push_back(WGL_AUX_BUFFERS_ARB);
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_AUX_BUFFERS);
+# else
+ pfAttribs.push_back(kCGLPFAAuxBuffers);
+# endif
#else
- pfAttribs.push_back(GL_AUX_BUFFERS);
+ pfAttribs.push_back(GLX_AUX_BUFFERS);
#endif
if (kv.second == "")
pfAttribs.push_back(0);
{
_bIsTexture = true;
- if ((kv.first == "texRECT") && GL_NV_texture_rectangle)
+ if ((kv.first == "texRECT") && (GL_NV_texture_rectangle ||
+ GL_EXT_texture_rectangle))
{
_bRectangle = true;
bBindRECT = true;
{
_bIsDepthTexture = true;
- if ((kv.first == "depthTexRECT") && GL_NV_texture_rectangle)
+ if ((kv.first == "depthTexRECT") && (GL_NV_texture_rectangle ||
+ GL_EXT_texture_rectangle))
{
_bRectangle = true;
bBindRECT = true;
continue;
}
- fprintf(stderr,
- "RenderTexture Error: Unknown pbuffer attribute: %s\n",
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Error: Unknown pbuffer attribute: " <<
token.c_str());
}
// Check for inconsistent texture targets
if (_bIsTexture && _bIsDepthTexture && !(bBind2D ^ bBindRECT ^ bBindCUBE))
{
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
"RenderTexture Warning: Depth and Color texture targets "
- "should match.\n");
+ "should match.");
}
// Apply default bit format if none specified
#ifdef _WIN32
pfAttribs.push_back(WGL_DEPTH_BITS_ARB);
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_DEPTH_SIZE);
+# else
+ pfAttribs.push_back(kCGLPFADepthSize);
+# endif
#else
pfAttribs.push_back(GLX_DEPTH_SIZE);
#endif
#ifdef _WIN32
pfAttribs.push_back(WGL_STENCIL_BITS_ARB);
pfAttribs.push_back(0);
+#elif defined( __MACH__ )
+# if 0
+ pfAttribs.push_back(AGL_STENCIL_SIZE);
+# else
+ pfAttribs.push_back(kCGLPFAStencilSize);
+# endif
+ pfAttribs.push_back(0);
#else
pfAttribs.push_back(GLX_STENCIL_SIZE);
pfAttribs.push_back(0);
if (!WGL_NV_render_depth_texture && _bIsDepthTexture && (RT_RENDER_TO_TEXTURE == _eUpdateMode))
{
#if defined(DEBUG) || defined(_DEBUG)
- fprintf(stderr, "RenderTexture Warning: No support found for "
- "render to depth texture.\n");
+ SG_LOG(SG_GL, SG_ALERT, "RenderTexture Warning: No support found for "
+ "render to depth texture.");
#endif
_bIsDepthTexture = false;
}
pbAttribs.push_back(WGL_MIPMAP_TEXTURE_ARB);
pbAttribs.push_back(true);
}
-
+#elif defined(__MACH__)
#elif defined(DEBUG) || defined(_DEBUG)
- printf("RenderTexture Error: Render to Texture not "
- "supported in Linux\n");
+ SG_LOG(SG_GL, SG_INFO, "RenderTexture Error: Render to Texture not "
+ "supported in Linux or MacOS");
#endif
}
pfAttribs.push_back(WGL_PIXEL_TYPE_ARB);
pfAttribs.push_back(WGL_TYPE_RGBA_FLOAT_ATI);
}
+#elif defined( __MACH__ )
+ // if (GL_MACH_float_pixels) // FIXME
+ {
+ pfAttribs.push_back(kCGLPFAColorFloat);
+ }
#else
- if (GL_NV_float_buffer)
+ if (GLX_NV_float_buffer)
{
- pfAttribs.push_back(GL_FLOAT_COMPONENTS_NV);
+ pfAttribs.push_back(GLX_FLOAT_COMPONENTS_NV);
pfAttribs.push_back(1);
}
#endif
pbAttribs.push_back(WGL_TEXTURE_FLOAT_RGBA_NV);
break;
default:
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
"RenderTexture Warning: Bad number of components "
- "(r=1,rg=2,rgb=3,rgba=4): %d.\n",
+ "(r=1,rg=2,rgb=3,rgba=4): " <<
_iNumComponents);
break;
}
pbAttribs.push_back(WGL_TEXTURE_RGBA_ARB);
break;
default:
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Warning: Bad number of components "
+ "(r=1,rg=2,rgb=3,rgba=4): " << _iNumComponents);
+ break;
+ }
+ }
+#elif defined(__MACH__)
+ if (_bFloat)
+ {
+ /*
+ //if (WGLEW_NV_float_buffer) // FIXME
+ {
+ switch(_iNumComponents)
+ {
+ case 1:
+ pfAttribs.push_back(WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV);
+ pfAttribs.push_back(true);
+
+ pbAttribs.push_back(WGL_TEXTURE_FORMAT_ARB);
+ pbAttribs.push_back(WGL_TEXTURE_FLOAT_R_NV);
+ break;
+ case 2:
+ pfAttribs.push_back(WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV);
+ pfAttribs.push_back(true);
+
+ pbAttribs.push_back(WGL_TEXTURE_FORMAT_ARB);
+ pbAttribs.push_back(WGL_TEXTURE_FLOAT_RG_NV);
+ break;
+ case 3:
+ pfAttribs.push_back(WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV);
+ pfAttribs.push_back(true);
+
+ pbAttribs.push_back(WGL_TEXTURE_FORMAT_ARB);
+ pbAttribs.push_back(WGL_TEXTURE_FLOAT_RGB_NV);
+ break;
+ case 4:
+ pfAttribs.push_back(WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV);
+ pfAttribs.push_back(true);
+
+ pbAttribs.push_back(WGL_TEXTURE_FORMAT_ARB);
+ pbAttribs.push_back(WGL_TEXTURE_FLOAT_RGBA_NV);
+ break;
+ default:
+ fprintf(stderr,
+ "RenderTexture Warning: Bad number of components "
+ "(r=1,rg=2,rgb=3,rgba=4): %d.\n",
+ _iNumComponents);
+ break;
+ }
+ }
+ else
+ {
+ if (4 == _iNumComponents)
+ {
+ pfAttribs.push_back(WGL_BIND_TO_TEXTURE_RGBA_ARB);
+ pfAttribs.push_back(true);
+
+ pbAttribs.push_back(WGL_TEXTURE_FORMAT_ARB);
+ pbAttribs.push_back(WGL_TEXTURE_RGBA_ARB);
+ }
+ else
+ {
+ // standard ARB_render_texture only supports 3 or 4 channels
+ pfAttribs.push_back(WGL_BIND_TO_TEXTURE_RGB_ARB);
+ pfAttribs.push_back(true);
+
+ pbAttribs.push_back(WGL_TEXTURE_FORMAT_ARB);
+ pbAttribs.push_back(WGL_TEXTURE_RGB_ARB);
+ }
+ }
+ */
+ }
+ else
+ {
+ /*
+ switch(_iNumComponents)
+ {
+ case 3:
+ pfAttribs.push_back(WGL_BIND_TO_TEXTURE_RGB_ARB);
+ pfAttribs.push_back(true);
+
+ pbAttribs.push_back(WGL_TEXTURE_FORMAT_ARB);
+ pbAttribs.push_back(WGL_TEXTURE_RGB_ARB);
+ break;
+ case 4:
+ pfAttribs.push_back(WGL_BIND_TO_TEXTURE_RGBA_ARB);
+ pfAttribs.push_back(true);
+
+ pbAttribs.push_back(WGL_TEXTURE_FORMAT_ARB);
+ pbAttribs.push_back(WGL_TEXTURE_RGBA_ARB);
+ break;
+ default:
+ fprintf(stderr,
"RenderTexture Warning: Bad number of components "
"(r=1,rg=2,rgb=3,rgba=4): %d.\n", _iNumComponents);
break;
}
- }
+ */
+ }
#elif defined(DEBUG) || defined(_DEBUG)
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
"RenderTexture Error: Render to Texture not supported in "
- "Linux\n");
+ "Linux or MacOS\ n");
#endif
}
pbAttribs.push_back(WGL_DEPTH_TEXTURE_FORMAT_NV);
pbAttribs.push_back(WGL_TEXTURE_DEPTH_COMPONENT_NV);
}
+#elif defined(__MACH__)
#elif defined(DEBUG) || defined(_DEBUG)
- printf("RenderTexture Error: Render to Texture not supported in "
- "Linux\n");
+ SG_LOG(SG_GL, SG_INFO, "RenderTexture Error: Render to Texture not supported in "
+ "Linux or MacOS");
#endif
}
}
string::size_type nextpos = 0;
do
{
- nextpos = bitVector.find_first_of(", \n", pos);
+ nextpos = bitVector.find_first_of(", ", pos);
pieces.push_back(string(bitVector, pos, nextpos - pos));
pos = nextpos+1;
} while (nextpos != bitVector.npos );
bool RenderTexture::_VerifyExtensions()
{
#ifdef _WIN32
- if (!WGL_ARB_pbuffer)
+ // a second call to _VerifyExtensions will allways return true, causing a crash
+ // if the extension is not supported
+ if ( true || !fctPtrInited )
{
- PrintExtensionError("WGL_ARB_pbuffer");
- return false;
- }
- if (!WGL_ARB_pixel_format)
- {
- PrintExtensionError("WGL_ARB_pixel_format");
- return false;
- }
- if (_bIsTexture && !WGL_ARB_render_texture)
- {
- PrintExtensionError("WGL_ARB_render_texture");
- return false;
- }
- if (_bRectangle && !GL_NV_texture_rectangle)
- {
- PrintExtensionError("GL_NV_texture_rectangle");
- return false;
- }
- if (_bFloat && !(GL_NV_float_buffer || WGL_ATI_pixel_format_float))
- {
- PrintExtensionError("GL_NV_float_buffer or GL_ATI_pixel_format_float");
- return false;
-
- }
- if (_bFloat && _bIsTexture && !(GL_NV_float_buffer || GL_ATI_texture_float))
- {
- PrintExtensionError("NV_float_buffer or ATI_texture_float");
- }
- if (_bIsDepthTexture && !GL_ARB_depth_texture)
- {
- // [Redge]
+ fctPtrInited = true;
+ wglGetExtensionsStringARBProc wglGetExtensionsStringARBPtr = (wglGetExtensionsStringARBProc)wglGetProcAddress( "wglGetExtensionsStringARB" );
+ if ( wglGetExtensionsStringARBPtr == 0 )
+ {
+ PrintExtensionError("WGL_ARB_extensions_string");
+ return false;
+ }
+ string wglExtensionsString = wglGetExtensionsStringARBPtr( wglGetCurrentDC() );
+ if ( SGSearchExtensionsString( wglExtensionsString.c_str(), "WGL_ARB_pixel_format" ) )
+ {
+ wglChoosePixelFormatARBPtr = (wglChoosePixelFormatARBProc)SGLookupFunction("wglChoosePixelFormatARB");
+ wglGetPixelFormatAttribivARBPtr = (wglGetPixelFormatAttribivARBProc)SGLookupFunction("wglGetPixelFormatAttribivARB");
+ }
+ else
+ {
+ PrintExtensionError("WGL_ARB_pixel_format");
+ return false;
+ }
+ if ( SGSearchExtensionsString( wglExtensionsString.c_str(), "WGL_ARB_pbuffer" ) )
+ {
+ wglCreatePbufferARBPtr = (wglCreatePbufferARBProc)SGLookupFunction("wglCreatePbufferARB");
+ wglGetPbufferDCARBPtr = (wglGetPbufferDCARBProc)SGLookupFunction("wglGetPbufferDCARB");
+ wglQueryPbufferARBPtr = (wglQueryPbufferARBProc)SGLookupFunction("wglQueryPbufferARB");
+ wglReleasePbufferDCARBPtr = (wglReleasePbufferDCARBProc)SGLookupFunction("wglReleasePbufferDCARB");
+ wglDestroyPbufferARBPtr = (wglDestroyPbufferARBProc)SGLookupFunction("wglDestroyPbufferARB");
+ }
+ else
+ {
+ PrintExtensionError("WGL_ARB_pbuffer");
+ return false;
+ }
+ if ( SGSearchExtensionsString( wglExtensionsString.c_str(), "WGL_ARB_render_texture" ) )
+ {
+ wglBindTexImageARBPtr = (wglBindTexImageARBProc)SGLookupFunction("wglBindTexImageARB");
+ wglReleaseTexImageARBPtr = (wglReleaseTexImageARBProc)SGLookupFunction("wglReleaseTexImageARB");
+ }
+ else if ( _bIsTexture )
+ {
+ PrintExtensionError("WGL_ARB_render_texture");
+ return false;
+ }
+ if (_bRectangle && !SGIsOpenGLExtensionSupported( "GL_NV_texture_rectangle" ))
+ {
+ PrintExtensionError("GL_NV_texture_rectangle");
+ return false;
+ }
+ if (_bFloat && !(SGIsOpenGLExtensionSupported( "GL_NV_float_buffer" ) ||
+ SGSearchExtensionsString( wglExtensionsString.c_str(), "WGL_ATI_pixel_format_float" )))
+ {
+ PrintExtensionError("GL_NV_float_buffer or GL_ATI_pixel_format_float");
+ return false;
+
+ }
+ if (_bFloat && _bIsTexture && !(SGIsOpenGLExtensionSupported( "GL_NV_float_buffer" ) || SGIsOpenGLExtensionSupported( "GL_ATI_texture_float" )))
+ {
+ PrintExtensionError("NV_float_buffer or ATI_texture_float");
+ }
+ if (_bIsDepthTexture && !SGIsOpenGLExtensionSupported( "GL_ARB_depth_texture" ))
+ {
+ // [Redge]
#if defined(_DEBUG) | defined(DEBUG)
- fprintf(stderr,
- "RenderTexture Warning: "
- "OpenGL extension GL_ARB_depth_texture not available.\n"
- " Using glReadPixels() to emulate behavior.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Warning: "
+ "OpenGL extension GL_ARB_depth_texture not available."
+ " Using glReadPixels() to emulate behavior.");
#endif
- _bHasARBDepthTexture = false;
- //PrintExtensionError("GL_ARB_depth_texture");
- //return false;
- // [/Redge]
+ _bHasARBDepthTexture = false;
+ //PrintExtensionError("GL_ARB_depth_texture");
+ //return false;
+ // [/Redge]
+ }
+ SetLastError(0);
}
- SetLastError(0);
+#elif defined( __MACH__ )
+ // FIXME! Check extensions!
#else
- if (!GLX_SGIX_pbuffer)
- {
- PrintExtensionError("GL_SGIX_pbuffer");
+ Display* dpy = glXGetCurrentDisplay();
+ int minor = 0, major = 0;
+ if (!glXQueryVersion(dpy, &major, &minor))
return false;
- }
- if (!GLX_SGIX_fbconfig)
- {
- PrintExtensionError("GL_SGIX_fbconfig");
+
+ int screen = DefaultScreen(dpy);
+ const char* extString = glXQueryExtensionsString(dpy, screen);
+ if (!SGSearchExtensionsString(extString, "GLX_SGIX_fbconfig") ||
+ !SGSearchExtensionsString(extString, "GLX_SGIX_pbuffer"))
return false;
+
+ // First try the glX version 1.3 functions.
+ glXChooseFBConfigPtr = (glXChooseFBConfigProc)SGLookupFunction("glXChooseFBConfig");
+ glXCreatePbufferPtr = (glXCreatePbufferProc)SGLookupFunction("glXCreatePbuffer");
+ glXGetVisualFromFBConfigPtr = (glXGetVisualFromFBConfigProc)SGLookupFunction("glXGetVisualFromFBConfig");
+ glXCreateContextPtr = (glXCreateContextProc)SGLookupFunction("glXCreateContext");
+ glXDestroyPbufferPtr = (glXDestroyPbufferProc)SGLookupFunction("glXDestroyPbuffer");
+ glXQueryDrawablePtr = (glXQueryDrawableProc)SGLookupFunction("glXQueryDrawable");
+
+ if (((1 <= major && 3 <= minor) || 2 <= major) &&
+ glXChooseFBConfigPtr &&
+ glXCreatePbufferPtr &&
+ glXGetVisualFromFBConfigPtr &&
+ glXCreateContextPtr &&
+ glXDestroyPbufferPtr &&
+ glXQueryDrawablePtr)
+ glXVersion1_3Present = true;
+ else
+ {
+ glXChooseFBConfigPtr = (glXChooseFBConfigProc)SGLookupFunction("glXChooseFBConfigSGIX");
+ glXCreateGLXPbufferPtr = (glXCreateGLXPbufferProc)SGLookupFunction("glXCreateGLXPbufferSGIX");
+ glXGetVisualFromFBConfigPtr = (glXGetVisualFromFBConfigProc)SGLookupFunction("glXGetVisualFromFBConfigSGIX");
+ glXCreateContextWithConfigPtr = (glXCreateContextWithConfigProc)SGLookupFunction("glXCreateContextWithConfigSGIX");
+ glXDestroyPbufferPtr = (glXDestroyPbufferProc)SGLookupFunction("glXDestroyGLXPbufferSGIX");
+ glXQueryGLXPbufferSGIXPtr = (glXQueryGLXPbufferSGIXProc)SGLookupFunction("glXQueryGLXPbufferSGIX");
+
+
+ if (!glXChooseFBConfigPtr ||
+ !glXCreateGLXPbufferPtr ||
+ !glXGetVisualFromFBConfigPtr ||
+ !glXCreateContextWithConfigPtr ||
+ !glXDestroyPbufferPtr ||
+ !glXQueryGLXPbufferSGIXPtr)
+ return false;
}
+
if (_bIsDepthTexture && !GL_ARB_depth_texture)
{
PrintExtensionError("GL_ARB_depth_texture");
return false;
}
- if (_bFloat && _bIsTexture && !GL_NV_float_buffer)
+ if (_bFloat && _bIsTexture && !GLX_NV_float_buffer)
{
- PrintExtensionError("GL_NV_float_buffer");
+ PrintExtensionError("GLX_NV_float_buffer");
return false;
}
if (_eUpdateMode == RT_RENDER_TO_TEXTURE)
{
- PrintExtensionError("Some GLX render texture extension: FIXME!");
+ PrintExtensionError("Some GLX render texture extension: Please implement me!");
return false;
}
#endif
{
if (_bRectangle && GL_NV_texture_rectangle)
_iTextureTarget = GL_TEXTURE_RECTANGLE_NV;
+ else if (_bRectangle && GL_EXT_texture_rectangle)
+ _iTextureTarget = GL_TEXTURE_RECTANGLE_EXT;
else
_iTextureTarget = GL_TEXTURE_2D;
}
if (_bIsTexture)
{
- glGenTextures(1, &_iTextureID);
+ glGenTextures(1, (GLuint*)&_iTextureID);
glBindTexture(_iTextureTarget, _iTextureID);
// Use clamp to edge as the default texture wrap mode for all tex
{
if (_bMipmap)
{
- fprintf(stderr,
+ SG_LOG(SG_GL, SG_ALERT,
"RenderTexture Error: mipmapped float textures not "
- "supported.\n");
+ "supported.");
return false;
}
iFormat = GL_RGBA;
break;
default:
- printf("RenderTexture Error: "
- "Invalid number of components: %d\n",
+ SG_LOG(SG_GL, SG_INFO, "RenderTexture Error: "
+ "Invalid number of components: " <<
_iNumComponents);
return false;
}
if (_bIsDepthTexture)
{
- glGenTextures(1, &_iDepthTextureID);
+ glGenTextures(1, (GLuint*)&_iDepthTextureID);
glBindTexture(_iTextureTarget, _iDepthTextureID);
// Use clamp to edge as the default texture wrap mode for all tex
}
}
+#elif defined(__MACH__)
+ if (RT_COPY_TO_TEXTURE == _eUpdateMode)
+ {
+ if (_bIsTexture)
+ {
+ glBindTexture(_iTextureTarget, _iTextureID);
+ glCopyTexSubImage2D(_iTextureTarget, 0, 0, 0, 0, 0, _iWidth, _iHeight);
+ }
+ if (_bIsDepthTexture)
+ {
+ glBindTexture(_iTextureTarget, _iDepthTextureID);
+ assert(_bHasARBDepthTexture);
+ glCopyTexSubImage2D(_iTextureTarget, 0, 0, 0, 0, 0, _iWidth, _iHeight);
+ }
+ }
#else
if (_bIsTexture)
{
// release the pbuffer from the render texture object
if (0 != _iCurrentBoundBuffer && _bIsBufferBound)
{
- if (FALSE == wglReleaseTexImageARB(_hPBuffer, _iCurrentBoundBuffer))
+ if (FALSE == wglReleaseTexImageARBPtr(_hPBuffer, _iCurrentBoundBuffer))
{
_wglGetLastError();
return false;
glBindTexture(_iTextureTarget, _iDepthTextureID);
// release the pbuffer from the render texture object
- if (FALSE == wglReleaseTexImageARB(_hPBuffer, WGL_DEPTH_COMPONENT_NV))
+ if (FALSE == wglReleaseTexImageARBPtr(_hPBuffer, WGL_DEPTH_COMPONENT_NV))
{
_wglGetLastError();
return false;
_wglGetLastError();
return false;
}
+#elif defined( __MACH__ )
+ CGLError err;
+
+ if (err = CGLSetCurrentContext(_hGLContext))
+ {
+ _cglCheckError(err);
+ return false;
+ }
#else
if (false == glXMakeCurrent(_pDisplay, _hPBuffer, _hGLContext))
{
_hPBuffer(NULL),
_hPreviousDC(0),
_hPreviousContext(0),
+#elif defined( __MACH__ )
+ _hGLContext(NULL),
+ _hPBuffer(NULL),
+ _hPreviousContext(NULL),
#else
_pDisplay(NULL),
_hGLContext(NULL),
{
assert(width > 0 && height > 0);
#if defined DEBUG || defined _DEBUG
- fprintf(stderr,
- "RenderTexture Warning: Deprecated Contructor interface used.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Warning: Deprecated Contructor interface used.");
#endif
_iNumColorBits[0] = _iNumColorBits[1] =
return false;
#if defined DEBUG || defined _DEBUG
- fprintf(stderr,
- "RenderTexture Warning: Deprecated Initialize() interface used.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Warning: Deprecated Initialize() interface used.");
#endif
// create a mode string.
mode.append("a");
mode.append("=");
char bitVector[100];
- sprintf(bitVector,
+ snprintf( bitVector, 100,
"%d%s,%d%s,%d%s,%d%s",
iRBits, (iRBits >= 16) ? "f" : "",
iGBits, (iGBits >= 16) ? "f" : "",
}
if (_bIsTexture)
{
- if (GL_NV_texture_rectangle &&
+ if ((GL_NV_texture_rectangle || GL_EXT_texture_rectangle) &&
((!IsPowerOfTwo(_iWidth) || !IsPowerOfTwo(_iHeight))
|| iRBits >= 16 || iGBits > 16 || iBBits > 16 || iABits >= 16))
mode.append("texRECT ");
}
if (_bIsDepthTexture)
{
- if (GL_NV_texture_rectangle &&
+ if ((GL_NV_texture_rectangle || GL_EXT_texture_rectangle) &&
((!IsPowerOfTwo(_iWidth) || !IsPowerOfTwo(_iHeight))
|| iRBits >= 16 || iGBits > 16 || iBBits > 16 || iABits >= 16))
mode.append("texRECT ");
_pbufferAttribs.push_back(WGL_PBUFFER_LARGEST_ARB);
_pbufferAttribs.push_back(true);
+#elif defined( __MACH__ )
+ //_pixelFormatAttribs.push_back(kCGLPFANoRecovery);
+ _pixelFormatAttribs.push_back(kCGLPFAAccelerated);
+ _pixelFormatAttribs.push_back(kCGLPFAWindow);
+ _pixelFormatAttribs.push_back(kCGLPFAPBuffer);
#else
_pixelFormatAttribs.push_back(GLX_RENDER_TYPE_SGIX);
_pixelFormatAttribs.push_back(GLX_RGBA_BIT_SGIX);
#ifdef _WIN32
_pixelFormatAttribs.push_back(0);
_pbufferAttribs.push_back(0);
+#elif defined(__MACH__)
+ _pixelFormatAttribs.push_back(0);
#else
_pixelFormatAttribs.push_back(None);
#endif
*/
bool RenderTexture::Reset(int iWidth, int iHeight)
{
- fprintf(stderr,
- "RenderTexture Warning: Deprecated Reset() interface used.\n");
+ SG_LOG(SG_GL, SG_ALERT,
+ "RenderTexture Warning: Deprecated Reset() interface used.");
if (!_Invalidate())
{
- fprintf(stderr, "RenderTexture::Reset(): failed to invalidate.\n");
+ SG_LOG(SG_GL, SG_ALERT, "RenderTexture::Reset(): failed to invalidate.");
return false;
}
_iWidth = iWidth;
projects / simgear.git / blobdiff