Module: Mesa
Branch: master
Commit: 0ad9d8b5384c64ed57eed986af42508be5467e69
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=0ad9d8b5384c64ed57eed986af42508be5467e69
Author: Brian Paul <bri...@vmware.com>
Date: Tue Oct 12 08:54:54 2010 -0600
st/xlib: add some comments
---
src/gallium/state_trackers/glx/xlib/xm_st.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/src/gallium/state_trackers/glx/xlib/xm_st.c
b/src/gallium/state_trackers/glx/xlib/xm_st.c
index 4d0f5e6..e7466bd 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_st.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_st.c
@@ -196,7 +196,13 @@ xmesa_st_framebuffer_validate_textures(struct
st_framebuffer_iface *stfbi,
/**
+ * Check that a framebuffer's attachments match the window's size.
+ *
* Called via st_framebuffer_iface::validate()
+ *
+ * \param statts array of framebuffer attachments
+ * \param count number of framebuffer attachments in statts[]
+ * \param out returns resources for each of the attachments
*/
static boolean
xmesa_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
@@ -209,9 +215,11 @@ xmesa_st_framebuffer_validate(struct st_framebuffer_iface
*stfbi,
boolean resized;
boolean ret;
+ /* build mask of ST_ATTACHMENT bits */
statt_mask = 0x0;
for (i = 0; i < count; i++)
statt_mask |= 1 << statts[i];
+
/* record newly allocated textures */
new_mask = statt_mask & ~xstfb->texture_mask;
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