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cogl-framebuffer: Remove swap_throttled config

Browse Source 
Since now we don't set the swap throttled value based
on sync-to-vblank, we can effectively remove it from
Cogl. Throttling swap buffers in Cogl is as much a
historical artifact as sync-to-vblank. Furthermore,
it doesn't make sense to disable it on a compositor,
which is the case with the embedded Cogl.

In addition to that, the winsys vfunc for updating
whenever swap throttling changes could also be removed,
since swap throttling is always enabled now.

Removing it means less code, less branches when running,
and one less config option to deal with.

This also removes the micro-perf test, since it doesn't
make sense for the case where Cogl is embedded into the
compositor.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/191
This commit is contained in:
Georges Basile Stavracas Neto 2018-08-08 17:09:55 -03:00
parent ae4d3bc27d
commit 7d20101198
20 changed files with 61 additions and 432 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
clutter/clutter/x11/clutter-stage-x11.c
View File

@ -631,7 +631,6 @@ clutter_stage_x11_realize (ClutterStageWindow *stage_window)
stage_x11->onscreen = cogl_onscreen_new (backend->cogl_context, width, height);
cogl_onscreen_set_swap_throttled (stage_x11->onscreen, TRUE);
stage_x11->frame_closure =
cogl_onscreen_add_frame_callback (stage_x11->onscreen,
frame_cb,

1
cogl/.gitignore vendored
View File

@ -66,7 +66,6 @@ TAGS
/tests/conform/config.env
/tests/conform/.log
/tests/unit/.log
/tests/micro-perf/test-journal
/tests/config.env
/po/POTFILES
/po/*.gmo

1
cogl/cogl/cogl-framebuffer-private.h
View File

@ -59,7 +59,6 @@ typedef struct
CoglSwapChain *swap_chain;
CoglBool need_stencil;
int samples_per_pixel;
CoglBool swap_throttled;
CoglBool depth_texture_enabled;
CoglBool stereo_enabled;
} CoglFramebufferConfig;

2
cogl/cogl/cogl-onscreen-private.h
View File

@ -65,8 +65,6 @@ struct _CoglOnscreen
void *foreign_update_mask_data;
#endif
CoglBool swap_throttled;
CoglList frame_closures;
CoglBool resizable;

9
cogl/cogl/cogl-onscreen-template.c
View File

@ -62,7 +62,6 @@ cogl_onscreen_template_new (CoglSwapChain *swap_chain)
else
onscreen_template->config.swap_chain = cogl_swap_chain_new ();
onscreen_template->config.swap_throttled = TRUE;
onscreen_template->config.need_stencil = TRUE;
onscreen_template->config.samples_per_pixel = 0;
@ -86,14 +85,6 @@ cogl_onscreen_template_set_samples_per_pixel (
onscreen_template->config.samples_per_pixel = samples_per_pixel;
}
void
cogl_onscreen_template_set_swap_throttled (
CoglOnscreenTemplate *onscreen_template,
CoglBool throttled)
{
onscreen_template->config.swap_throttled = throttled;
}
void
cogl_onscreen_template_set_stereo_enabled (
CoglOnscreenTemplate *onscreen_template,

17
cogl/cogl/cogl-onscreen-template.h
View File

@ -85,23 +85,6 @@ cogl_onscreen_template_set_samples_per_pixel (
CoglOnscreenTemplate *onscreen_template,
int n);
/**
* cogl_onscreen_template_set_swap_throttled:
* @onscreen_template: A #CoglOnscreenTemplate template framebuffer
* @throttled: Whether throttling should be enabled
*
* Requests that any future #CoglOnscreen framebuffers derived from this
* template should enable or disable swap throttling according to the given
* @throttled argument.
*
* Since: 1.10
* Stability: unstable
*/
void
cogl_onscreen_template_set_swap_throttled (
CoglOnscreenTemplate *onscreen_template,
CoglBool throttled);
/**
* cogl_onscreen_template_set_stereo_enabled:
* @onscreen_template: A #CoglOnscreenTemplate template framebuffer

14
cogl/cogl/cogl-onscreen.c
View File

@ -557,20 +557,6 @@ cogl_onscreen_remove_swap_buffers_callback (CoglOnscreen *onscreen,
cogl_onscreen_remove_frame_callback (onscreen, closure);
}
void
cogl_onscreen_set_swap_throttled (CoglOnscreen *onscreen,
CoglBool throttled)
{
CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
framebuffer->config.swap_throttled = throttled;
if (framebuffer->allocated)
{
const CoglWinsysVtable *winsys =
_cogl_framebuffer_get_winsys (framebuffer);
winsys->onscreen_update_swap_throttled (onscreen);
}
}
void
cogl_onscreen_show (CoglOnscreen *onscreen)
{

22
cogl/cogl/cogl-onscreen.h
View File

@ -162,23 +162,6 @@ uint32_t
cogl_x11_onscreen_get_visual_xid (CoglOnscreen *onscreen);
#endif /* COGL_HAS_X11 */
/**
* cogl_onscreen_set_swap_throttled:
* @onscreen: A #CoglOnscreen framebuffer
* @throttled: Whether swap throttling is wanted or not.
*
* Requests that the given @onscreen framebuffer should have swap buffer
* requests (made using cogl_onscreen_swap_buffers()) throttled either by a
* displays vblank period or perhaps some other mechanism in a composited
* environment.
*
* Since: 1.8
* Stability: unstable
*/
void
cogl_onscreen_set_swap_throttled (CoglOnscreen *onscreen,
CoglBool throttled);
/**
* cogl_onscreen_show:
* @onscreen: The onscreen framebuffer to make visible
@ -554,9 +537,8 @@ typedef void (*CoglSwapBuffersNotify) (CoglFramebuffer *framebuffer,
* registered callbacks will be called if this feature is not supported.</note>
*
* We recommend using this mechanism when available to manually throttle your
* applications (in conjunction with cogl_onscreen_set_swap_throttled()) so
* your application will be able to avoid long blocks in the driver caused by
* throttling when you request to swap buffers too quickly.
* applications so your application will be able to avoid long blocks in the
* driver caused by throttling when you request to swap buffers too quickly.
*
* Return value: a unique identifier that can be used to remove to remove
* the callback later.

3
cogl/cogl/cogl.symbols
View File

@ -578,7 +578,6 @@ cogl_onscreen_get_gtype
cogl_onscreen_get_resizable
cogl_onscreen_hide
cogl_onscreen_new
cogl_onscreen_set_swap_throttled
cogl_onscreen_remove_dirty_callback
cogl_onscreen_remove_frame_callback
cogl_onscreen_remove_resize_callback
@ -587,7 +586,6 @@ cogl_onscreen_remove_swap_buffers_callback
cogl_onscreen_resize_closure_get_gtype
#endif
cogl_onscreen_set_resizable
cogl_onscreen_set_swap_throttled
cogl_onscreen_show
cogl_onscreen_swap_buffers
cogl_onscreen_swap_buffers_with_damage
@ -597,7 +595,6 @@ cogl_onscreen_template_get_gtype
#endif
cogl_onscreen_template_new
cogl_onscreen_template_set_samples_per_pixel
cogl_onscreen_template_set_swap_throttled
cogl_ortho

20
cogl/cogl/winsys/cogl-winsys-egl.c
View File

@ -724,10 +724,7 @@ bind_onscreen_with_context (CoglOnscreen *onscreen,
CoglRenderer *renderer = context->display->renderer;
CoglRendererEGL *egl_renderer = renderer->winsys;
if (fb->config.swap_throttled)
eglSwapInterval (egl_renderer->edpy, 1);
else
eglSwapInterval (egl_renderer->edpy, 0);
}
return status;
@ -854,21 +851,6 @@ _cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen,
eglSwapBuffers (egl_renderer->edpy, egl_onscreen->egl_surface);
}
static void
_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen)
{
CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context;
CoglDisplayEGL *egl_display = context->display->winsys;
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
if (egl_display->current_draw_surface != egl_onscreen->egl_surface)
return;
egl_display->current_draw_surface = EGL_NO_SURFACE;
_cogl_winsys_onscreen_bind (onscreen);
}
static void
_cogl_winsys_save_context (CoglContext *ctx)
{
@ -985,8 +967,6 @@ static CoglWinsysVtable _cogl_winsys_vtable =
_cogl_winsys_onscreen_swap_buffers_with_damage,
.onscreen_swap_region = _cogl_winsys_onscreen_swap_region,
.onscreen_get_buffer_age = _cogl_winsys_onscreen_get_buffer_age,
.onscreen_update_swap_throttled =
_cogl_winsys_onscreen_update_swap_throttled,
/* CoglGLES2Context related methods */
.save_context = _cogl_winsys_save_context,

38
cogl/cogl/winsys/cogl-winsys-glx.c
View File

@ -1685,13 +1685,7 @@ _cogl_winsys_onscreen_bind (CoglOnscreen *onscreen)
* exclusive.
*/
if (glx_renderer->glXSwapInterval)
{
CoglFramebuffer *fb = COGL_FRAMEBUFFER (onscreen);
if (fb->config.swap_throttled)
glx_renderer->glXSwapInterval (1);
else
glx_renderer->glXSwapInterval (0);
}
XSync (xlib_renderer->xdpy, False);
@ -2074,16 +2068,8 @@ _cogl_winsys_onscreen_swap_region (CoglOnscreen *onscreen,
framebuffer,
COGL_FRAMEBUFFER_STATE_BIND);
if (framebuffer->config.swap_throttled)
{
have_counter = glx_display->have_vblank_counter;
can_wait = glx_display->can_vblank_wait;
}
else
{
have_counter = FALSE;
can_wait = FALSE;
}
/* We need to ensure that all the rendering is done, otherwise
* redraw operations that are slower than the framerate can
@ -2250,8 +2236,6 @@ _cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen,
drawable = glx_onscreen->glxwin ? glx_onscreen->glxwin : xlib_onscreen->xwin;
if (framebuffer->config.swap_throttled)
{
have_counter = glx_display->have_vblank_counter;
if (glx_renderer->glXSwapInterval)
@ -2312,9 +2296,6 @@ _cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen,
else if (can_wait)
_cogl_winsys_wait_for_vblank (onscreen);
}
}
else
have_counter = FALSE;
glx_renderer->glXSwapBuffers (xlib_renderer->xdpy, drawable);
@ -2332,23 +2313,6 @@ _cogl_winsys_onscreen_x11_get_window_xid (CoglOnscreen *onscreen)
return xlib_onscreen->xwin;
}
static void
_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen)
{
CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context;
CoglContextGLX *glx_context = context->winsys;
CoglOnscreenGLX *glx_onscreen = onscreen->winsys;
CoglOnscreenXlib *xlib_onscreen = onscreen->winsys;
GLXDrawable drawable =
glx_onscreen->glxwin ? glx_onscreen->glxwin : xlib_onscreen->xwin;
if (glx_context->current_drawable != drawable)
return;
glx_context->current_drawable = 0;
_cogl_winsys_onscreen_bind (onscreen);
}
static void
_cogl_winsys_onscreen_set_visibility (CoglOnscreen *onscreen,
CoglBool visibility)
@ -3022,8 +2986,6 @@ static CoglWinsysVtable _cogl_winsys_vtable =
_cogl_winsys_onscreen_swap_buffers_with_damage,
.onscreen_swap_region = _cogl_winsys_onscreen_swap_region,
.onscreen_get_buffer_age = _cogl_winsys_onscreen_get_buffer_age,
.onscreen_update_swap_throttled =
_cogl_winsys_onscreen_update_swap_throttled,
.onscreen_x11_get_window_xid =
_cogl_winsys_onscreen_x11_get_window_xid,
.onscreen_set_visibility = _cogl_winsys_onscreen_set_visibility,

3
cogl/cogl/winsys/cogl-winsys-private.h
View File

@ -122,9 +122,6 @@ typedef struct _CoglWinsysVtable
const int *rectangles,
int n_rectangles);
void
(*onscreen_update_swap_throttled) (CoglOnscreen *onscreen);
void
(*onscreen_set_visibility) (CoglOnscreen *onscreen,
CoglBool visibility);

7
cogl/cogl/winsys/cogl-winsys-stub.c
View File

@ -143,11 +143,6 @@ _cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen,
{
}
static void
_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen)
{
}
static void
_cogl_winsys_onscreen_set_visibility (CoglOnscreen *onscreen,
CoglBool visibility)
@ -184,8 +179,6 @@ _cogl_winsys_stub_get_vtable (void)
vtable.onscreen_bind = _cogl_winsys_onscreen_bind;
vtable.onscreen_swap_buffers_with_damage =
_cogl_winsys_onscreen_swap_buffers_with_damage;
vtable.onscreen_update_swap_throttled =
_cogl_winsys_onscreen_update_swap_throttled;
vtable.onscreen_set_visibility = _cogl_winsys_onscreen_set_visibility;
vtable_inited = TRUE;

1
cogl/configure.ac
View File

@ -693,7 +693,6 @@ tests/Makefile
tests/config.env
tests/conform/Makefile
tests/unit/Makefile
tests/micro-perf/Makefile
tests/data/Makefile
)

4
cogl/tests/Makefile.am
View File

@ -4,9 +4,9 @@ if UNIT_TESTS
SUBDIRS += unit
endif
SUBDIRS += micro-perf data
SUBDIRS += data
DIST_SUBDIRS = conform unit micro-perf data
DIST_SUBDIRS = conform unit data
EXTRA_DIST = README test-launcher.sh run-tests.sh

1
cogl/tests/meson.build
View File

@ -11,4 +11,3 @@ cogl_config_env = configure_file(
subdir('conform')
subdir('unit')
subdir('micro-perf')

24
cogl/tests/micro-perf/Makefile.am
View File

@ -1,24 +0,0 @@
NULL =
AM_CPPFLAGS = \
-I$(top_srcdir) \
-I$(top_builddir)/cogl \
-DCOGL_DISABLE_DEPRECATED
test_conformance_CPPFLAGS = \
-DTESTS_DATADIR=\""$(top_srcdir)/tests/data"\"
noinst_PROGRAMS =
noinst_PROGRAMS += test-journal
AM_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS)
common_ldadd = \
$(COGL_DEP_LIBS) \
$(top_builddir)/cogl/libmutter-cogl-$(LIBMUTTER_API_VERSION).la \
$(LIBM)
test_journal_SOURCES = test-journal.c
test_journal_LDADD = $(common_ldadd)

18
cogl/tests/micro-perf/meson.build
View File

@ -1,18 +0,0 @@
cogl_test_journal_sources = [
'test-journal.c',
]
cogl_test_journal = executable('test-journal',
sources: cogl_test_journal_sources,
c_args: cogl_debug_c_args + [
'-DCOGL_DISABLE_DEPRECATED',
'-DTESTS_DATADIR="@0@"'.format(join_paths(cogl_srcdir, 'tests/data')),
],
include_directories: cogl_includepath,
dependencies: [
cogl_deps,
libmutter_cogl_dep,
libmutter_cogl_path_dep,
],
install: false,
)

190
cogl/tests/micro-perf/test-journal.c
View File

@ -1,190 +0,0 @@
#include <glib.h>
#include <cogl/cogl.h>
#include <math.h>
#include "cogl/cogl-profile.h"
#define FRAMEBUFFER_WIDTH 800
#define FRAMEBUFFER_HEIGHT 600
CoglBool run_all = FALSE;
typedef struct _Data
{
CoglContext *ctx;
CoglFramebuffer *fb;
CoglPipeline *pipeline;
CoglPipeline *alpha_pipeline;
GTimer *timer;
int frame;
} Data;
static void
test_rectangles (Data *data)
{
#define RECT_WIDTH 5
#define RECT_HEIGHT 5
int x;
int y;
cogl_framebuffer_clear4f (data->fb, COGL_BUFFER_BIT_COLOR, 1, 1, 1, 1);
cogl_framebuffer_push_rectangle_clip (data->fb,
10,
10,
FRAMEBUFFER_WIDTH - 10,
FRAMEBUFFER_HEIGHT - 10);
/* Should the rectangles be randomly positioned/colored/rotated?
*
* It could be good to develop equivalent GL and Cairo tests so we can
* have a sanity check for our Cogl performance.
*
* The color should vary to check that we correctly batch color changes
* The use of alpha should vary so we have a variation of which rectangles
* require blending.
* Should this be a random variation?
* It could be good to experiment with focibly enabling blending for
* rectangles that don't technically need it for the sake of extending
* batching. E.g. if you a long run of interleved rectangles with every
* other rectangle needing blending then it may be worth enabling blending
* for all the rectangles to avoid the state changes.
* The modelview should change between rectangles to check the software
* transform codepath.
* Should we group some rectangles under the same modelview? Potentially
* we could avoid software transform for long runs of rectangles with the
* same modelview.
*
*/
for (y = 0; y < FRAMEBUFFER_HEIGHT; y += RECT_HEIGHT)
{
for (x = 0; x < FRAMEBUFFER_WIDTH; x += RECT_WIDTH)
{
cogl_framebuffer_push_matrix (data->fb);
cogl_framebuffer_translate (data->fb, x, y, 0);
cogl_framebuffer_rotate (data->fb, 45, 0, 0, 1);
cogl_pipeline_set_color4f (data->pipeline,
1,
(1.0f/FRAMEBUFFER_WIDTH)*y,
(1.0f/FRAMEBUFFER_HEIGHT)*x,
1);
cogl_framebuffer_draw_rectangle (data->fb,
data->pipeline,
0, 0, RECT_WIDTH, RECT_HEIGHT);
cogl_framebuffer_pop_matrix (data->fb);
}
}
for (y = 0; y < FRAMEBUFFER_HEIGHT; y += RECT_HEIGHT)
{
for (x = 0; x < FRAMEBUFFER_WIDTH; x += RECT_WIDTH)
{
cogl_framebuffer_push_matrix (data->fb);
cogl_framebuffer_translate (data->fb, x, y, 0);
cogl_pipeline_set_color4f (data->alpha_pipeline,
1,
(1.0f/FRAMEBUFFER_WIDTH)*x,
(1.0f/FRAMEBUFFER_HEIGHT)*y,
(1.0f/FRAMEBUFFER_WIDTH)*x);
cogl_framebuffer_draw_rectangle (data->fb,
data->alpha_pipeline,
0, 0, RECT_WIDTH, RECT_HEIGHT);
cogl_framebuffer_pop_matrix (data->fb);
}
}
cogl_framebuffer_pop_clip (data->fb);
}
static CoglBool
paint_cb (void *user_data)
{
Data *data = user_data;
double elapsed;
data->frame++;
test_rectangles (data);
cogl_onscreen_swap_buffers (COGL_ONSCREEN (data->fb));
elapsed = g_timer_elapsed (data->timer, NULL);
if (elapsed > 1.0)
{
g_print ("fps = %f\n", data->frame / elapsed);
g_timer_start (data->timer);
data->frame = 0;
}
return FALSE; /* remove the callback */
}
static void
frame_event_cb (CoglOnscreen *onscreen,
CoglFrameEvent event,
CoglFrameInfo *info,
void *user_data)
{
if (event == COGL_FRAME_EVENT_SYNC)
paint_cb (user_data);
}
int
main (int argc, char **argv)
{
Data data;
CoglOnscreen *onscreen;
GSource *cogl_source;
GMainLoop *loop;
COGL_STATIC_TIMER (mainloop_timer,
NULL, //no parent
"Mainloop",
"The time spent in the glib mainloop",
0); // no application private data
data.ctx = cogl_context_new (NULL, NULL);
onscreen = cogl_onscreen_new (data.ctx,
FRAMEBUFFER_WIDTH, FRAMEBUFFER_HEIGHT);
cogl_onscreen_set_swap_throttled (onscreen, FALSE);
cogl_onscreen_show (onscreen);
data.fb = onscreen;
cogl_framebuffer_orthographic (data.fb,
0, 0,
FRAMEBUFFER_WIDTH, FRAMEBUFFER_HEIGHT,
-1,
100);
data.pipeline = cogl_pipeline_new (data.ctx);
cogl_pipeline_set_color4f (data.pipeline, 1, 1, 1, 1);
data.alpha_pipeline = cogl_pipeline_new (data.ctx);
cogl_pipeline_set_color4f (data.alpha_pipeline, 1, 1, 1, 0.5);
cogl_source = cogl_glib_source_new (data.ctx, G_PRIORITY_DEFAULT);
g_source_attach (cogl_source, NULL);
cogl_onscreen_add_frame_callback (COGL_ONSCREEN (data.fb),
frame_event_cb,
&data,
NULL); /* destroy notify */
g_idle_add (paint_cb, &data);
data.frame = 0;
data.timer = g_timer_new ();
g_timer_start (data.timer);
loop = g_main_loop_new (NULL, TRUE);
COGL_TIMER_START (uprof_get_mainloop_context (), mainloop_timer);
g_main_loop_run (loop);
COGL_TIMER_STOP (uprof_get_mainloop_context (), mainloop_timer);
return 0;
}

3
src/backends/native/meta-renderer-native.c
View File

@ -2727,9 +2727,6 @@ meta_renderer_native_create_onscreen (MetaRendererNative *renderer_native,
onscreen = cogl_onscreen_new (context, width, height);
/* We have wait_for_pending_flips hardcoded, so throttling always. */
cogl_onscreen_set_swap_throttled (onscreen, TRUE);
if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (onscreen), error))
{
cogl_object_unref (onscreen);