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clutter/stage-cogl: Use buffer age when view monitor is rotated

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We failed to use the buffer age when monitors were rotated, as when they
are, we first composite to an offscreen framebuffer, then later again to
the onscreen. The buffer age checking happened on the offscreen, and an
offscreen being single buffered, they can't possible support buffer
ages.

Instead, move the buffer age check to check the actual onscreen
framebuffer. The offscreen to onscreen painting is still always full
frame, but that will be fixed in a later commit.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
This commit is contained in:
Jonas Ådahl 2020-05-05 19:05:36 +02:00 committed by Georges Basile Stavracas Neto
parent 03c65b93e6
commit 9d3e4fd402
5 changed files with 64 additions and 50 deletions
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6
clutter/clutter/clutter-stage-view-private.h
View File

@ -52,4 +52,10 @@ cairo_region_t * clutter_stage_view_take_redraw_clip (ClutterStageView *view);
CoglScanout * clutter_stage_view_take_scanout (ClutterStageView *view);
void clutter_stage_view_transform_rect_to_onscreen (ClutterStageView *view,
const cairo_rectangle_int_t *src_rect,
int dst_width,
int dst_height,
cairo_rectangle_int_t *dst_rect);
#endif /* __CLUTTER_STAGE_VIEW_PRIVATE_H__ */

29
clutter/clutter/clutter-stage-view.c
View File

@ -166,6 +166,22 @@ clutter_stage_view_invalidate_offscreen_blit_pipeline (ClutterStageView *view)
g_clear_pointer (&priv->offscreen_pipeline, cogl_object_unref);
}
void
clutter_stage_view_transform_rect_to_onscreen (ClutterStageView *view,
const cairo_rectangle_int_t *src_rect,
int dst_width,
int dst_height,
cairo_rectangle_int_t *dst_rect)
{
ClutterStageViewClass *view_class = CLUTTER_STAGE_VIEW_GET_CLASS (view);
return view_class->transform_rect_to_onscreen (view,
src_rect,
dst_width,
dst_height,
dst_rect);
}
static void
paint_transformed_framebuffer (ClutterStageView *view,
CoglPipeline *pipeline,
@ -471,19 +487,6 @@ clutter_stage_view_take_redraw_clip (ClutterStageView *view)
return g_steal_pointer (&priv->redraw_clip);
}
void
clutter_stage_view_transform_to_onscreen (ClutterStageView *view,
gfloat *x,
gfloat *y)
{
gfloat z = 0, w = 1;
CoglMatrix matrix;
clutter_stage_view_get_offscreen_transformation_matrix (view, &matrix);
cogl_matrix_get_inverse (&matrix, &matrix);
cogl_matrix_transform_point (&matrix, x, y, &z, &w);
}
static void
clutter_stage_default_get_offscreen_transformation_matrix (ClutterStageView *view,
CoglMatrix *matrix)

11
clutter/clutter/clutter-stage-view.h
View File

@ -43,6 +43,12 @@ struct _ClutterStageViewClass
void (* get_offscreen_transformation_matrix) (ClutterStageView *view,
CoglMatrix *matrix);
void (* transform_rect_to_onscreen) (ClutterStageView *view,
const cairo_rectangle_int_t *src_rect,
int dst_width,
int dst_height,
cairo_rectangle_int_t *dst_rect);
};
CLUTTER_EXPORT
@ -56,11 +62,6 @@ CoglFramebuffer *clutter_stage_view_get_onscreen (ClutterStageView *view);
CLUTTER_EXPORT
void clutter_stage_view_invalidate_offscreen_blit_pipeline (ClutterStageView *view);
CLUTTER_EXPORT
void clutter_stage_view_transform_to_onscreen (ClutterStageView *view,
gfloat *x,
gfloat *y);
CLUTTER_EXPORT
float clutter_stage_view_get_scale (ClutterStageView *view);

46
clutter/clutter/cogl/clutter-stage-cogl.c
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@ -536,44 +536,25 @@ static cairo_region_t *
transform_swap_region_to_onscreen (ClutterStageView *view,
cairo_region_t *swap_region)
{
CoglFramebuffer *framebuffer;
cairo_rectangle_int_t layout;
gint width, height;
CoglFramebuffer *onscreen = clutter_stage_view_get_onscreen (view);
int n_rects, i;
cairo_rectangle_int_t *rects;
cairo_region_t *transformed_region;
int width, height;
framebuffer = clutter_stage_view_get_onscreen (view);
clutter_stage_view_get_layout (view, &layout);
width = cogl_framebuffer_get_width (framebuffer);
height = cogl_framebuffer_get_height (framebuffer);
width = cogl_framebuffer_get_width (onscreen);
height = cogl_framebuffer_get_height (onscreen);
n_rects = cairo_region_num_rectangles (swap_region);
rects = g_newa (cairo_rectangle_int_t, n_rects);
for (i = 0; i < n_rects; i++)
{
gfloat x1, y1, x2, y2;
cairo_region_get_rectangle (swap_region, i, &rects[i]);
x1 = (float) rects[i].x / layout.width;
y1 = (float) rects[i].y / layout.height;
x2 = (float) (rects[i].x + rects[i].width) / layout.width;
y2 = (float) (rects[i].y + rects[i].height) / layout.height;
clutter_stage_view_transform_to_onscreen (view, &x1, &y1);
clutter_stage_view_transform_to_onscreen (view, &x2, &y2);
x1 = floor (x1 * width);
y1 = floor (height - (y1 * height));
x2 = ceil (x2 * width);
y2 = ceil (height - (y2 * height));
rects[i].x = x1;
rects[i].y = y1;
rects[i].width = x2 - x1;
rects[i].height = y2 - y1;
clutter_stage_view_transform_rect_to_onscreen (view,
&rects[i],
width,
height,
&rects[i]);
}
transformed_region = cairo_region_create_rectangles (rects, n_rects);
@ -598,6 +579,7 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
ClutterStageViewCoglPrivate *view_priv =
clutter_stage_view_cogl_get_instance_private (view_cogl);
CoglFramebuffer *fb = clutter_stage_view_get_framebuffer (view);
CoglFramebuffer *onscreen = clutter_stage_view_get_onscreen (view);
cairo_rectangle_int_t view_rect;
gboolean is_full_redraw;
gboolean use_clipped_redraw;
@ -619,10 +601,10 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
fb_height = cogl_framebuffer_get_height (fb);
can_blit_sub_buffer =
cogl_is_onscreen (fb) &&
cogl_is_onscreen (onscreen) &&
cogl_clutter_winsys_has_feature (COGL_WINSYS_FEATURE_SWAP_REGION);
has_buffer_age = cogl_is_onscreen (fb) && is_buffer_age_enabled ();
has_buffer_age = cogl_is_onscreen (onscreen) && is_buffer_age_enabled ();
redraw_clip = clutter_stage_view_take_redraw_clip (view);
if (G_UNLIKELY (clutter_paint_debug_flags & CLUTTER_DEBUG_PAINT_DAMAGE_REGION))
@ -636,7 +618,7 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
if (has_buffer_age)
{
buffer_age = cogl_onscreen_get_buffer_age (COGL_ONSCREEN (fb));
buffer_age = cogl_onscreen_get_buffer_age (COGL_ONSCREEN (onscreen));
if (!valid_buffer_age (view_cogl, buffer_age))
{
CLUTTER_NOTE (CLIPPING,
@ -654,7 +636,7 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
!is_full_redraw &&
/* some drivers struggle to get going and produce some junk
* frames when starting up... */
cogl_onscreen_get_frame_counter (COGL_ONSCREEN (fb)) > 3;
cogl_onscreen_get_frame_counter (COGL_ONSCREEN (onscreen)) > 3;
if (use_clipped_redraw)
{

22
src/backends/meta-renderer-view.c
View File

@ -34,6 +34,7 @@
#include "backends/meta-renderer.h"
#include "clutter/clutter-mutter.h"
#include "compositor/region-utils.h"
enum
{
@ -117,6 +118,25 @@ meta_renderer_view_setup_offscreen_blit_pipeline (ClutterStageView *view,
cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
}
static void
meta_renderer_view_transform_rect_to_onscreen (ClutterStageView *view,
const cairo_rectangle_int_t *src_rect,
int dst_width,
int dst_height,
cairo_rectangle_int_t *dst_rect)
{
MetaRendererView *renderer_view = META_RENDERER_VIEW (view);
MetaMonitorTransform inverted_transform;
inverted_transform =
meta_monitor_transform_invert (renderer_view->transform);
return meta_rectangle_transform (src_rect,
inverted_transform,
dst_width,
dst_height,
dst_rect);
}
static void
meta_renderer_view_set_transform (MetaRendererView *view,
MetaMonitorTransform transform)
@ -181,6 +201,8 @@ meta_renderer_view_class_init (MetaRendererViewClass *klass)
meta_renderer_view_setup_offscreen_blit_pipeline;
view_class->get_offscreen_transformation_matrix =
meta_renderer_view_get_offscreen_transformation_matrix;
view_class->transform_rect_to_onscreen =
meta_renderer_view_transform_rect_to_onscreen;
object_class->get_property = meta_renderer_view_get_property;
object_class->set_property = meta_renderer_view_set_property;