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-rw-r--r--src/mesa/drivers/x11/xm_api.c4
-rw-r--r--src/mesa/main/context.c36
2 files changed, 35 insertions, 5 deletions
diff --git a/src/mesa/drivers/x11/xm_api.c b/src/mesa/drivers/x11/xm_api.c
index 288eeff6b9f..1ef83c12cfe 100644
--- a/src/mesa/drivers/x11/xm_api.c
+++ b/src/mesa/drivers/x11/xm_api.c
@@ -1,4 +1,4 @@
-/* $Id: xm_api.c,v 1.38 2002/06/16 01:11:10 brianp Exp $ */
+/* $Id: xm_api.c,v 1.39 2002/06/17 23:38:14 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1277,8 +1277,6 @@ static GLboolean initialize_visual_and_buffer( int client,
get_drawable_size( v->display, window, &w, &h );
b->width = w;
b->height = h;
- b->mesa_buffer.Width = w;
- b->mesa_buffer.Height = h;
b->frontbuffer = window;
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index c8c6b99b243..0b3e23aafd6 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) */