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-rw-r--r--src/mesa/drivers/svga/svgamesa.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/mesa/drivers/svga/svgamesa.c b/src/mesa/drivers/svga/svgamesa.c
index 09330e78ab..0dd9a144fe 100644
--- a/src/mesa/drivers/svga/svgamesa.c
+++ b/src/mesa/drivers/svga/svgamesa.c
@@ -1,4 +1,4 @@
-/* $Id: svgamesa.c,v 1.26 2005/09/07 23:26:01 brianp Exp $ */
+/* $Id: svgamesa.c,v 1.27 2006/10/15 18:51:22 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -213,10 +213,18 @@ static void get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *heigh
*height = SVGAMesa->height = vga_getydim();
}
+/**
+ * We only implement this function as a mechanism to check if the
+ * framebuffer size has changed (and update corresponding state).
+ */
static void viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
{
- /* poll for window size change and realloc software Z/stencil/etc if needed */
- _mesa_ResizeBuffersMESA();
+ GLuint newWidth, newHeight;
+ GLframebuffer *buffer = ctx->WinSysDrawBuffer;
+ get_buffer_size( buffer, &newWidth, &newHeight );
+ if (buffer->Width != newWidth || buffer->Height != newHeight) {
+ _mesa_resize_framebuffer(ctx, buffer, newWidth, newHeight );
+ }
}
static void set_buffer( GLcontext *ctx, GLframebuffer *colorBuffer,