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-rw-r--r--src/mesa/state_tracker/st_cb_viewport.c15
-rw-r--r--src/mesa/state_tracker/st_context.h6
-rw-r--r--src/mesa/state_tracker/st_manager.c102
3 files changed, 73 insertions, 50 deletions
diff --git a/src/mesa/state_tracker/st_cb_viewport.c b/src/mesa/state_tracker/st_cb_viewport.c
index 049755e45c0..d4742eb897d 100644
--- a/src/mesa/state_tracker/st_cb_viewport.c
+++ b/src/mesa/state_tracker/st_cb_viewport.c
@@ -56,13 +56,20 @@ static void st_viewport(struct gl_context * ctx, GLint x, GLint y,
if (!st->invalidate_on_gl_viewport)
return;
+ /*
+ * Normally we'd want the state tracker manager to mark the drawables
+ * invalid only when needed. This will force the state tracker manager
+ * to revalidate the drawable, rather than just update the context with
+ * the latest cached drawable info.
+ */
+
stdraw = st_ws_framebuffer(st->ctx->DrawBuffer);
stread = st_ws_framebuffer(st->ctx->ReadBuffer);
- if (stdraw)
- p_atomic_set(&stdraw->revalidate, TRUE);
- if (stread && stread != stdraw)
- p_atomic_set(&stread->revalidate, TRUE);
+ if (stdraw && stdraw->iface)
+ stdraw->iface_stamp = p_atomic_read(&stdraw->iface->stamp) - 1;
+ if (stread && stread != stdraw && stread->iface)
+ stread->iface_stamp = p_atomic_read(&stread->iface->stamp) - 1;
}
void st_init_viewport_functions(struct dd_function_table *functions)
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index ff207039d78..0a322022149 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -204,6 +204,9 @@ struct st_context
/* Active render condition. */
struct pipe_query *render_condition;
unsigned condition_mode;
+
+ int32_t draw_stamp;
+ int32_t read_stamp;
};
@@ -227,7 +230,8 @@ struct st_framebuffer
struct st_framebuffer_iface *iface;
enum st_attachment_type statts[ST_ATTACHMENT_COUNT];
unsigned num_statts;
- int32_t revalidate;
+ int32_t stamp;
+ int32_t iface_stamp;
};
diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c
index c95514cbef9..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;
@@ -762,10 +772,6 @@ st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
}
if (stdraw && stread) {
- if (stctxi != st_api_get_current(stapi)) {
- p_atomic_set(&stdraw->revalidate, TRUE);
- p_atomic_set(&stread->revalidate, TRUE);
- }
st_framebuffer_validate(stdraw, st);
if (stread != stdraw)
st_framebuffer_validate(stread, st);
@@ -781,6 +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();
@@ -872,6 +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);
}
/**
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 18:10:41 +0000