summaryrefslogtreecommitdiffstats
path: root/src/mesa/state_tracker/st_manager.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/state_tracker/st_manager.c')
-rw-r--r--src/mesa/state_tracker/st_manager.c163
1 files changed, 95 insertions, 68 deletions
diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c
index a68544ddac7..a8c4b5c3f49 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -139,23 +139,64 @@ buffer_index_to_attachment(gl_buffer_index index)
}
/**
+ * Make sure a context picks up the latest cached state of the
+ * drawables it binds to.
+ */
+static void
+st_context_validate(struct st_context *st,
+ struct st_framebuffer *stdraw,
+ struct st_framebuffer *stread)
+{
+ if (stdraw && stdraw->stamp != st->draw_stamp) {
+ st->dirty.st |= ST_NEW_FRAMEBUFFER;
+ _mesa_resize_framebuffer(st->ctx, &stdraw->Base,
+ stdraw->Base.Width,
+ stdraw->Base.Height);
+ st->draw_stamp = stdraw->stamp;
+ }
+
+ if (stread && stread->stamp != st->read_stamp) {
+ if (stread != stdraw) {
+ st->dirty.st |= ST_NEW_FRAMEBUFFER;
+ _mesa_resize_framebuffer(st->ctx, &stread->Base,
+ stread->Base.Width,
+ stread->Base.Height);
+ }
+ st->read_stamp = stread->stamp;
+ }
+}
+
+/**
* Validate a framebuffer to make sure up-to-date pipe_textures are used.
+ * The context we need to pass in is s dummy context needed only to be
+ * able to get a pipe context to create pipe surfaces, and to have a
+ * context to call _mesa_resize_framebuffer():
+ * (That should probably be rethought, since those surfaces become
+ * drawable state, not context state, and can be freed by another pipe
+ * context).
*/
static void
-st_framebuffer_validate(struct st_framebuffer *stfb, struct st_context *st)
+st_framebuffer_validate(struct st_framebuffer *stfb,
+ struct st_context *st)
{
- struct pipe_context *pipe = st->pipe;
struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
uint width, height;
unsigned i;
boolean changed = FALSE;
+ int32_t new_stamp = p_atomic_read(&stfb->iface->stamp);
- if (!p_atomic_read(&stfb->revalidate))
+ if (stfb->iface_stamp == new_stamp)
return;
/* validate the fb */
- if (!stfb->iface->validate(stfb->iface, stfb->statts, stfb->num_statts, textures))
- return;
+ do {
+ if (!stfb->iface->validate(stfb->iface, stfb->statts,
+ stfb->num_statts, textures))
+ return;
+
+ stfb->iface_stamp = new_stamp;
+ new_stamp = p_atomic_read(&stfb->iface->stamp);
+ } while(stfb->iface_stamp != new_stamp);
width = stfb->Base.Width;
height = stfb->Base.Height;
@@ -184,7 +225,7 @@ st_framebuffer_validate(struct st_framebuffer *stfb, struct st_context *st)
memset(&surf_tmpl, 0, sizeof(surf_tmpl));
u_surface_default_template(&surf_tmpl, textures[i],
PIPE_BIND_RENDER_TARGET);
- ps = pipe->create_surface(pipe, textures[i], &surf_tmpl);
+ ps = st->pipe->create_surface(st->pipe, textures[i], &surf_tmpl);
if (ps) {
pipe_surface_reference(&strb->surface, ps);
pipe_resource_reference(&strb->texture, ps->texture);
@@ -204,14 +245,9 @@ st_framebuffer_validate(struct st_framebuffer *stfb, struct st_context *st)
}
if (changed) {
- st->dirty.st |= ST_NEW_FRAMEBUFFER;
+ ++stfb->stamp;
_mesa_resize_framebuffer(st->ctx, &stfb->Base, width, height);
-
- assert(stfb->Base.Width == width);
- assert(stfb->Base.Height == height);
}
-
- p_atomic_set(&stfb->revalidate, FALSE);
}
/**
@@ -236,8 +272,7 @@ st_framebuffer_update_attachments(struct st_framebuffer *stfb)
st_visual_have_buffers(stfb->iface->visual, 1 << statt))
stfb->statts[stfb->num_statts++] = statt;
}
-
- p_atomic_set(&stfb->revalidate, TRUE);
+ stfb->stamp++;
}
/**
@@ -443,6 +478,7 @@ st_framebuffer_create(struct st_framebuffer_iface *stfbi)
&stfb->Base._ColorReadBufferIndex);
stfb->iface = stfbi;
+ stfb->iface_stamp = p_atomic_read(&stfbi->stamp) - 1;
/* add the color buffer */
idx = stfb->Base._ColorDrawBufferIndexes[0];
@@ -454,6 +490,7 @@ st_framebuffer_create(struct st_framebuffer_iface *stfbi)
st_framebuffer_add_renderbuffer(stfb, BUFFER_DEPTH);
st_framebuffer_add_renderbuffer(stfb, BUFFER_ACCUM);
+ stfb->stamp = 0;
st_framebuffer_update_attachments(stfb);
stfb->Base.Initialized = GL_TRUE;
@@ -473,31 +510,6 @@ st_framebuffer_reference(struct st_framebuffer **ptr,
}
static void
-st_context_notify_invalid_framebuffer(struct st_context_iface *stctxi,
- struct st_framebuffer_iface *stfbi)
-{
- struct st_context *st = (struct st_context *) stctxi;
- struct st_framebuffer *stfb;
-
- /* either draw or read winsys fb */
- stfb = st_ws_framebuffer(st->ctx->WinSysDrawBuffer);
- if (!stfb || stfb->iface != stfbi)
- stfb = st_ws_framebuffer(st->ctx->WinSysReadBuffer);
-
- if (stfb && stfb->iface == stfbi) {
- p_atomic_set(&stfb->revalidate, TRUE);
- }
- else {
- /* This function is probably getting called when we've detected a
- * change in a window's size but the currently bound context is
- * not bound to that window.
- * If the st_framebuffer_iface structure had a pointer to the
- * corresponding st_framebuffer we'd be able to handle this.
- */
- }
-}
-
-static void
st_context_flush(struct st_context_iface *stctxi, unsigned flags,
struct pipe_fence_handle **fence)
{
@@ -696,8 +708,6 @@ st_api_create_context(struct st_api *stapi, struct st_manager *smapi,
smapi->get_param(smapi, ST_MANAGER_BROKEN_INVALIDATE);
st->iface.destroy = st_context_destroy;
- st->iface.notify_invalid_framebuffer =
- st_context_notify_invalid_framebuffer;
st->iface.flush = st_context_flush;
st->iface.teximage = st_context_teximage;
st->iface.copy = st_context_copy;
@@ -707,38 +717,58 @@ st_api_create_context(struct st_api *stapi, struct st_manager *smapi,
return &st->iface;
}
+static struct st_context_iface *
+st_api_get_current(struct st_api *stapi)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct st_context *st = (ctx) ? ctx->st : NULL;
+
+ return (st) ? &st->iface : NULL;
+}
+
+static struct st_framebuffer *
+st_framebuffer_reuse_or_create(struct gl_framebuffer *fb,
+ struct st_framebuffer_iface *stfbi)
+{
+ struct st_framebuffer *cur = st_ws_framebuffer(fb), *stfb = NULL;
+
+ if (cur && cur->iface == stfbi) {
+ /* reuse the current stfb */
+ st_framebuffer_reference(&stfb, cur);
+ }
+ else {
+ /* create a new one */
+ stfb = st_framebuffer_create(stfbi);
+ }
+
+ return stfb;
+}
+
static boolean
st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
struct st_framebuffer_iface *stdrawi,
struct st_framebuffer_iface *streadi)
{
struct st_context *st = (struct st_context *) stctxi;
- struct st_framebuffer *stdraw, *stread, *stfb;
+ struct st_framebuffer *stdraw, *stread;
boolean ret;
_glapi_check_multithread();
if (st) {
- /* reuse/create the draw fb */
- stfb = st_ws_framebuffer(st->ctx->WinSysDrawBuffer);
- if (stfb && stfb->iface == stdrawi) {
- stdraw = NULL;
- st_framebuffer_reference(&stdraw, stfb);
+ /* reuse or create the draw fb */
+ stdraw = st_framebuffer_reuse_or_create(st->ctx->WinSysDrawBuffer,
+ stdrawi);
+ if (streadi != stdrawi) {
+ /* do the same for the read fb */
+ stread = st_framebuffer_reuse_or_create(st->ctx->WinSysReadBuffer,
+ streadi);
}
else {
- stdraw = st_framebuffer_create(stdrawi);
- }
-
- /* reuse/create the read fb */
- stfb = st_ws_framebuffer(st->ctx->WinSysReadBuffer);
- if (!stfb || stfb->iface != streadi)
- stfb = stdraw;
- if (stfb && stfb->iface == streadi) {
stread = NULL;
- st_framebuffer_reference(&stread, stfb);
- }
- else {
- stread = st_framebuffer_create(streadi);
+ /* reuse the draw fb for the read fb */
+ if (stdraw)
+ st_framebuffer_reference(&stread, stdraw);
}
if (stdraw && stread) {
@@ -757,6 +787,10 @@ st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
}
ret = _mesa_make_current(st->ctx, &stdraw->Base, &stread->Base);
+
+ st->draw_stamp = stdraw->stamp - 1;
+ st->read_stamp = stread->stamp - 1;
+ st_context_validate(st, stdraw, stread);
}
else {
struct gl_framebuffer *incomplete = _mesa_get_incomplete_framebuffer();
@@ -773,15 +807,6 @@ st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
return ret;
}
-static struct st_context_iface *
-st_api_get_current(struct st_api *stapi)
-{
- GET_CURRENT_CONTEXT(ctx);
- struct st_context *st = (ctx) ? ctx->st : NULL;
-
- return (st) ? &st->iface : NULL;
-}
-
static st_proc_t
st_api_get_proc_address(struct st_api *stapi, const char *procname)
{
@@ -857,6 +882,8 @@ st_manager_validate_framebuffers(struct st_context *st)
st_framebuffer_validate(stdraw, st);
if (stread && stread != stdraw)
st_framebuffer_validate(stread, st);
+
+ st_context_validate(st, stdraw, stread);
}
/**