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added new GLUT features
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@ -101,6 +101,41 @@ DOS needs updating
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New features in GLUT
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--------------------
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1. Frames per second printing
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GLUT now looks for an environment variable called "GLUT_FPS". If it's
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set, GLUT will print out a frames/second statistic to stderr when
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glutSwapBuffers() is called. By default, frames/second is computed
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and displayed once every 5 seconds. You can specify a different
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interval (in milliseconds) when you set the env var. For example
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'export GLUT_FPS=1000' or 'setenv GLUT_FPS 1000' will set the interval
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to one second.
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NOTE: the demo or application must call the glutInit() function for
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this to work. Otherwise, the env var will be ignored.
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Finally, this feature may not be reliable in multi-window programs.
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2. glutGetProcAddress() function
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The new function:
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void *glutGetProcAddress(const char *procName)
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is a wrapper for glXGetProcAddressARB() and wglGetProcAddress(). It
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lets you dynamically get the address of an OpenGL function at runtime.
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The GLUT_API_VERSION has been bumped to 5, but I haven't bumped the
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GLUT version number from 3.7 since that's probably Mark Kilgard's role.
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This function should probably also be able to return the address of
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GLUT functions themselves, but it doesn't do that yet.
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XXX Things To Do Yet XXXX
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-------------------------
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@ -215,4 +250,4 @@ are some things to change:
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----------------------------------------------------------------------
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$Id: RELNOTES-4.1,v 1.14 2002/08/01 15:16:46 brianp Exp $
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$Id: RELNOTES-4.1,v 1.15 2002/08/17 00:23:19 brianp Exp $
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@ -1,4 +1,4 @@
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$Id: VERSIONS,v 1.94 2002/08/07 00:46:17 brianp Exp $
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$Id: VERSIONS,v 1.95 2002/08/17 00:23:19 brianp Exp $
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Mesa Version History
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@ -1002,6 +1002,8 @@ Mesa Version History
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- faster software texturing in some cases (i.e. trilinear filtering)
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- new OSMesaGetProcAddress() function
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- more blend modes implemented with MMX code (Jose Fonseca)
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- added glutGetProcAddress() to GLUT
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- added GLUT_FPS env var to compute frames/second in glutSwapBuffers()
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Bug fixes:
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- better mipmap LOD computation (prevents excessive blurriness)
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- OSMesaMakeCurrent() didn't recognize buffer size changes
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@ -1011,5 +1013,6 @@ Mesa Version History
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- clamp colors to [0,1] in OSMesa if GLchan==GLfloat (Gerk Huisma)
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- fixed divide by zero error in NURBS tessellator (Jon Perry)
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- fixed GL_LINEAR fog bug by adding clamping
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- fixed FP exceptions found using Alpha CPU
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Changes:
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- New spec file and Python code to generate some GL dispatch files
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