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authorJosé Fonseca <[email protected]>2011-04-07 19:15:55 +0100
committerJosé Fonseca <[email protected]>2011-04-12 12:00:49 +0100
commit16d42af618aa6250bedc7e66e0e2c0b061cc6e99 (patch)
treecb027800dd01f585b4c84d83d1d413bffd83b00a /src
parentb5829c0d6444a9eb25738c9b7f0bab8b667c8e0a (diff)
st/wgl: Prevent spurious framebuffer sizes when the window is minimized.
When the window is minimized GetClientRect will return zeros. Instead of creating a 1x1 framebuffer, simply preserve the current window size, until the window is restored or maximized again.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/state_trackers/wgl/stw_framebuffer.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_framebuffer.c b/src/gallium/state_trackers/wgl/stw_framebuffer.c
index 670e542cb4f..d8b1440a688 100644
--- a/src/gallium/state_trackers/wgl/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/stw_framebuffer.c
@@ -112,7 +112,7 @@ stw_framebuffer_release(
static INLINE void
stw_framebuffer_get_size( struct stw_framebuffer *fb )
{
- unsigned width, height;
+ LONG width, height;
RECT client_rect;
RECT window_rect;
POINT client_pos;
@@ -126,10 +126,17 @@ stw_framebuffer_get_size( struct stw_framebuffer *fb )
width = client_rect.right - client_rect.left;
height = client_rect.bottom - client_rect.top;
- if(width < 1)
- width = 1;
- if(height < 1)
- height = 1;
+ if (width <= 0 || height <= 0) {
+ /*
+ * When the window is minimized GetClientRect will return zeros. Simply
+ * preserve the current window size, until the window is restored or
+ * maximized again.
+ */
+
+ assert(width == 0 && height == 0);
+
+ return;
+ }
if(width != fb->width || height != fb->height) {
fb->must_resize = TRUE;