diff options
Diffstat (limited to 'src/mesa/drivers/allegro/amesa.c')
| -rw-r--r-- | src/mesa/drivers/allegro/amesa.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mesa/drivers/allegro/amesa.c b/src/mesa/drivers/allegro/amesa.c index cb46efa56ac..594668affda 100644 --- a/src/mesa/drivers/allegro/amesa.c +++ b/src/mesa/drivers/allegro/amesa.c @@ -145,10 +145,20 @@ static void get_buffer_size(GLcontext *ctx, GLuint *width, GLuint *height) }
+/**
+ * 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( &newWidth, &newHeight );
+ if (buffer->Width != newWidth || buffer->Height != newHeight) {
+ _mesa_resize_framebuffer(ctx, buffer, newWidth, newHeight );
+ }
+
}
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