diff options
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/context.c | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index c8c6b99b24..0b3e23aafd 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -1,4 +1,4 @@ -/* $Id: context.c,v 1.170 2002/06/17 23:36:31 brianp Exp $ */ +/* $Id: context.c,v 1.171 2002/06/17 23:38:14 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -2169,7 +2169,39 @@ _mesa_make_current2( GLcontext *newCtx, GLframebuffer *drawBuffer, newCtx->DrawBuffer = drawBuffer; newCtx->ReadBuffer = readBuffer; newCtx->NewState |= _NEW_BUFFERS; - /* _mesa_update_state( newCtx ); */ + + if (drawBuffer->Width == 0 && drawBuffer->Height == 0) { + /* get initial window size */ + GLuint bufWidth, bufHeight; + + /* ask device driver for size of output buffer */ + (*newCtx->Driver.GetBufferSize)( drawBuffer, &bufWidth, &bufHeight ); + + if (drawBuffer->Width == bufWidth && drawBuffer->Height == bufHeight) + return; /* size is as expected */ + + drawBuffer->Width = bufWidth; + drawBuffer->Height = bufHeight; + + newCtx->Driver.ResizeBuffers( drawBuffer ); + } + + if (readBuffer != drawBuffer && + readBuffer->Width == 0 && readBuffer->Height == 0) { + /* get initial window size */ + GLuint bufWidth, bufHeight; + + /* ask device driver for size of output buffer */ + (*newCtx->Driver.GetBufferSize)( readBuffer, &bufWidth, &bufHeight ); + + if (readBuffer->Width == bufWidth && readBuffer->Height == bufHeight) + return; /* size is as expected */ + + readBuffer->Width = bufWidth; + readBuffer->Height = bufHeight; + + newCtx->Driver.ResizeBuffers( readBuffer ); + } } /* This is only for T&L - a bit out of place, or misnamed (BP) */ |