diff options
author | José Fonseca <[email protected]> | 2011-03-08 20:08:35 +0000 |
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committer | José Fonseca <[email protected]> | 2011-03-09 09:58:35 +0000 |
commit | 0ffd603e17fd489886b47c5fec4624a589a13c10 (patch) | |
tree | d5bad6025e7db9aa64def28e91a52e1bb64302c6 /src/gallium/state_trackers/wgl/stw_device.c | |
parent | 52e598d200108ab9cfc9c9d828bbebdc576e9703 (diff) |
wgl: Force framebuffer validation on glViewport.
Diffstat (limited to 'src/gallium/state_trackers/wgl/stw_device.c')
-rw-r--r-- | src/gallium/state_trackers/wgl/stw_device.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_device.c b/src/gallium/state_trackers/wgl/stw_device.c index 445db9cd9b8..e65e71dc15f 100644 --- a/src/gallium/state_trackers/wgl/stw_device.c +++ b/src/gallium/state_trackers/wgl/stw_device.c @@ -48,7 +48,19 @@ static int stw_get_param(struct st_manager *smapi, enum st_manager_param param) { - return 0; + switch (param) { + case ST_MANAGER_BROKEN_INVALIDATE: + /* + * Force framebuffer validation on glViewport. + * + * Certain applications, like Rhinoceros 4, uses glReadPixels + * exclusively (never uses SwapBuffers), so framebuffers never get + * resized unless we check on glViewport. + */ + return 1; + default: + return 0; + } } boolean |