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authorChia-I Wu <[email protected]>2010-03-13 17:40:24 +0800
committerChia-I Wu <[email protected]>2010-03-13 17:41:45 +0800
commit66cd38f465499863de106e1ae83b5de85072c29b (patch)
tree9d0b053ce5bde5e60431e483f7f013f2bbeec8f1 /src
parent418b9ac2990fc6809de359a862ee809d3b86343c (diff)
st/glx: Fix framebuffer validation.
When xmesa_st_framebuffer_validate was called twice with different sets of attachments, the second call was ignored. Add a texture_mask to remember which textures have been requested to make sure the missing ones get created.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/state_trackers/glx/xlib/xm_st.c53
1 files changed, 29 insertions, 24 deletions
diff --git a/src/gallium/state_trackers/glx/xlib/xm_st.c b/src/gallium/state_trackers/glx/xlib/xm_st.c
index abe3b5429bc..8714da8b346 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_st.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_st.c
@@ -37,7 +37,7 @@ struct xmesa_st_framebuffer {
struct st_visual stvis;
- unsigned texture_width, texture_height;
+ unsigned texture_width, texture_height, texture_mask;
struct pipe_texture *textures[ST_ATTACHMENT_COUNT];
struct pipe_surface *display_surface;
@@ -86,39 +86,37 @@ xmesa_st_framebuffer_display(struct st_framebuffer_iface *stfbi,
*/
static void
xmesa_st_framebuffer_validate_textures(struct st_framebuffer_iface *stfbi,
- const enum st_attachment_type *statts,
- unsigned count)
+ unsigned width, unsigned height,
+ unsigned mask)
{
struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
struct pipe_texture templ;
- unsigned request_mask, i;
+ unsigned i;
- request_mask = 0;
- for (i = 0; i < count; i++)
- request_mask |= 1 << statts[i];
+ /* remove outdated textures */
+ if (xstfb->texture_width != width || xstfb->texture_height != height) {
+ for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
+ pipe_texture_reference(&xstfb->textures[i], NULL);
+ }
memset(&templ, 0, sizeof(templ));
templ.target = PIPE_TEXTURE_2D;
- templ.width0 = xstfb->texture_width;
- templ.height0 = xstfb->texture_height;
+ templ.width0 = width;
+ templ.height0 = height;
templ.depth0 = 1;
templ.last_level = 0;
for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
- struct pipe_texture *ptex = xstfb->textures[i];
enum pipe_format format;
unsigned tex_usage;
- /* remove outdated textures */
- if (ptex && (ptex->width0 != xstfb->texture_width ||
- ptex->height0 != xstfb->texture_height)) {
- pipe_texture_reference(&xstfb->textures[i], NULL);
- ptex = NULL;
- }
-
/* the texture already exists or not requested */
- if (ptex || !(request_mask & (1 << i)))
+ if (xstfb->textures[i] || !(mask & (1 << i))) {
+ /* remember the texture */
+ if (xstfb->textures[i])
+ mask |= (1 << i);
continue;
+ }
switch (i) {
case ST_ATTACHMENT_FRONT_LEFT:
@@ -146,6 +144,10 @@ xmesa_st_framebuffer_validate_textures(struct st_framebuffer_iface *stfbi,
xstfb->screen->texture_create(xstfb->screen, &templ);
}
}
+
+ xstfb->texture_width = width;
+ xstfb->texture_height = height;
+ xstfb->texture_mask = mask;
}
static boolean
@@ -155,15 +157,18 @@ xmesa_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
struct pipe_texture **out)
{
struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
- unsigned i;
+ unsigned statt_mask, i;
+
+ statt_mask = 0x0;
+ for (i = 0; i < count; i++)
+ statt_mask |= 1 << statts[i];
/* revalidate textures */
if (xstfb->buffer->width != xstfb->texture_width ||
- xstfb->buffer->height != xstfb->texture_height) {
- xstfb->texture_width = xstfb->buffer->width;
- xstfb->texture_height = xstfb->buffer->height;
-
- xmesa_st_framebuffer_validate_textures(stfbi, statts, count);
+ xstfb->buffer->height != xstfb->texture_height ||
+ (xstfb->texture_mask & statt_mask) != statt_mask) {
+ xmesa_st_framebuffer_validate_textures(stfbi,
+ xstfb->buffer->width, xstfb->buffer->height, statt_mask);
}
for (i = 0; i < count; i++) {