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cogl: Remove midscene tracking

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Midscene tracking was used at a time that some Cogl users
could call random OpenGL API without going through Cogl.
That is not allowed anymore, and certainly not done by
Mutter and GNOME Shell.

Remove midscene tracking from CoglFramebuffer.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/402
This commit is contained in:
Georges Basile Stavracas Neto 2019-02-05 11:01:40 -02:00
parent c5b7d73ce2
commit 62072838c9
5 changed files with 0 additions and 28 deletions
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1
cogl/cogl/cogl-attribute.c
View File

@ -652,7 +652,6 @@ _cogl_flush_attributes_state (CoglFramebuffer *framebuffer,
* pixel and the scene is just comprised of simple rectangles still
* in the journal. For this optimization to work we need to track
* when the framebuffer really does get drawn to. */
_cogl_framebuffer_mark_mid_scene (framebuffer);
_cogl_framebuffer_mark_clear_clip_dirty (framebuffer);
if (G_UNLIKELY (!(flags & COGL_DRAW_SKIP_LEGACY_STATE)) &&

7
cogl/cogl/cogl-framebuffer-private.h
View File

@ -181,10 +181,6 @@ struct _CoglFramebuffer
int clear_clip_y1;
gboolean clear_clip_dirty;
/* Whether something has been drawn to the buffer since the last
* swap buffers or swap region. */
gboolean mid_scene;
/* driver specific */
gboolean dirty_bitmasks;
CoglFramebufferBits bits;
@ -269,9 +265,6 @@ _cogl_framebuffer_clear_without_flush4f (CoglFramebuffer *framebuffer,
void
_cogl_framebuffer_mark_clear_clip_dirty (CoglFramebuffer *framebuffer);
void
_cogl_framebuffer_mark_mid_scene (CoglFramebuffer *framebuffer);
/*
* _cogl_framebuffer_get_clip_stack:
* @framebuffer: A #CoglFramebuffer

12
cogl/cogl/cogl-framebuffer.c
View File

@ -241,12 +241,6 @@ _cogl_framebuffer_mark_clear_clip_dirty (CoglFramebuffer *framebuffer)
framebuffer->clear_clip_dirty = TRUE;
}
void
_cogl_framebuffer_mark_mid_scene (CoglFramebuffer *framebuffer)
{
framebuffer->mid_scene = TRUE;
}
void
cogl_framebuffer_clear4f (CoglFramebuffer *framebuffer,
unsigned long buffers,
@ -381,7 +375,6 @@ cogl_framebuffer_clear4f (CoglFramebuffer *framebuffer,
cleared:
_cogl_framebuffer_mark_mid_scene (framebuffer);
_cogl_framebuffer_mark_clear_clip_dirty (framebuffer);
if (buffers & COGL_BUFFER_BIT_DEPTH)
@ -1062,12 +1055,7 @@ cogl_framebuffer_set_dither_enabled (CoglFramebuffer *framebuffer,
if (framebuffer->dither_enabled == dither_enabled)
return;
cogl_flush (); /* Currently dithering changes aren't tracked in the journal */
framebuffer->dither_enabled = dither_enabled;
if (framebuffer->context->current_draw_buffer == framebuffer)
framebuffer->context->current_draw_buffer_changes |=
COGL_FRAMEBUFFER_STATE_DITHER;
}
void

6
cogl/cogl/cogl-journal.c
View File

@ -1555,12 +1555,6 @@ _cogl_journal_log_quad (CoglJournal *journal,
COGL_TIMER_START (_cogl_uprof_context, log_timer);
/* Adding something to the journal should mean that we are in the
* middle of the scene. Although this will also end up being set
* when the journal is actually flushed, we set it here explicitly
* so that we will know sooner */
_cogl_framebuffer_mark_mid_scene (framebuffer);
/* If the framebuffer was previously empty then we'll take a
reference to the current framebuffer. This reference will be
removed when the journal is flushed */

2
cogl/cogl/cogl-onscreen.c
View File

@ -336,7 +336,6 @@ cogl_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen,
}
onscreen->frame_counter++;
framebuffer->mid_scene = FALSE;
}
void
@ -393,7 +392,6 @@ cogl_onscreen_swap_region (CoglOnscreen *onscreen,
}
onscreen->frame_counter++;
framebuffer->mid_scene = FALSE;
}
int