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authorBrian Paul <[email protected]>2013-04-17 16:16:24 -0600
committerBrian Paul <[email protected]>2013-04-17 16:23:19 -0600
commit02039066a8bd4e9cdce7f7d4c90606b54018d74e (patch)
tree3f8ae3122c642f27b069c72279892a546485b0b2 /src
parent505ac6ddc6f83ee17655d54cf46ed71ead9e578c (diff)
st/wgl: fix issue with SwapBuffers of minimized windows
If a window's minimized we get a zero-size window. Skip the SwapBuffers in that case to avoid some warning messages with the VMware svga driver. Internal bug #996695 Reviewed-by: Jose Fonseca <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/state_trackers/wgl/stw_framebuffer.c22
-rw-r--r--src/gallium/state_trackers/wgl/stw_framebuffer.h2
2 files changed, 15 insertions, 9 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_framebuffer.c b/src/gallium/state_trackers/wgl/stw_framebuffer.c
index c22e0f153f0..18ecb05e94f 100644
--- a/src/gallium/state_trackers/wgl/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/stw_framebuffer.c
@@ -140,6 +140,8 @@ stw_framebuffer_get_size( struct stw_framebuffer *fb )
width = client_rect.right - client_rect.left;
height = client_rect.bottom - client_rect.top;
+ fb->minimized = width == 0 || height == 0;
+
if (width <= 0 || height <= 0) {
/*
* When the window is minimized GetClientRect will return zeros. Simply
@@ -530,15 +532,17 @@ DrvPresentBuffers(HDC hdc, PGLPRESENTBUFFERSDATA data)
}
}
- if(fb->shared_surface) {
- stw_dev->stw_winsys->compose(screen,
- res,
- fb->shared_surface,
- &fb->client_rect,
- data->PresentHistoryToken);
- }
- else {
- stw_dev->stw_winsys->present( screen, res, hdc );
+ if (!fb->minimized) {
+ if (fb->shared_surface) {
+ stw_dev->stw_winsys->compose(screen,
+ res,
+ fb->shared_surface,
+ &fb->client_rect,
+ data->PresentHistoryToken);
+ }
+ else {
+ stw_dev->stw_winsys->present( screen, res, hdc );
+ }
}
stw_framebuffer_update(fb);
diff --git a/src/gallium/state_trackers/wgl/stw_framebuffer.h b/src/gallium/state_trackers/wgl/stw_framebuffer.h
index 3ba51ba6898..cee28e8a19a 100644
--- a/src/gallium/state_trackers/wgl/stw_framebuffer.h
+++ b/src/gallium/state_trackers/wgl/stw_framebuffer.h
@@ -79,6 +79,8 @@ struct stw_framebuffer
/* FIXME: Make this work for multiple contexts bound to the same framebuffer */
boolean must_resize;
+ boolean minimized; /**< Is the window currently minimized? */
+
unsigned width;
unsigned height;