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mutter/SOURCES/shadow-buffer-tile-damage.patch

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import mutter-3.32.2-57.el8
2021-05-18 06:37:53 +00:00
From e42c4e83283787062fb446a2aa698f227fe2db5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 29 Apr 2020 16:26:52 +0200
Subject: [PATCH 01/20] cogl/dma-buf-handle: Pass more metadata to handle
constructor
Could be useful would one want to mmap the dmabuf and deal with its
content manually in CPU space.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit e656d0caf01d8b012d2b458676e5658c540525dc)
---
cogl/cogl/cogl-dma-buf-handle.c | 45 +++++++++++++++++++++
cogl/cogl/cogl-dma-buf-handle.h | 46 +++++++++++++++++++++-
src/backends/native/meta-renderer-native.c | 14 +++++--
3 files changed, 101 insertions(+), 4 deletions(-)
diff --git a/cogl/cogl/cogl-dma-buf-handle.c b/cogl/cogl/cogl-dma-buf-handle.c
index 4a8f709f2c..d8b4e57c55 100644
--- a/cogl/cogl/cogl-dma-buf-handle.c
+++ b/cogl/cogl/cogl-dma-buf-handle.c
@@ -40,6 +40,11 @@ struct _CoglDmaBufHandle
{
CoglFramebuffer *framebuffer;
int dmabuf_fd;
+ int width;
+ int height;
+ int stride;
+ int offset;
+ int bpp;
gpointer user_data;
GDestroyNotify destroy_func;
};
@@ -47,6 +52,11 @@ struct _CoglDmaBufHandle
CoglDmaBufHandle *
cogl_dma_buf_handle_new (CoglFramebuffer *framebuffer,
int dmabuf_fd,
+ int width,
+ int height,
+ int stride,
+ int offset,
+ int bpp,
gpointer user_data,
GDestroyNotify destroy_func)
{
@@ -61,6 +71,12 @@ cogl_dma_buf_handle_new (CoglFramebuffer *framebuffer,
dmabuf_handle->user_data = user_data;
dmabuf_handle->destroy_func = destroy_func;
+ dmabuf_handle->width = width;
+ dmabuf_handle->height = height;
+ dmabuf_handle->stride = stride;
+ dmabuf_handle->offset = offset;
+ dmabuf_handle->bpp = bpp;
+
return dmabuf_handle;
}
@@ -92,3 +108,32 @@ cogl_dma_buf_handle_get_fd (CoglDmaBufHandle *dmabuf_handle)
return dmabuf_handle->dmabuf_fd;
}
+int
+cogl_dma_buf_handle_get_width (CoglDmaBufHandle *dmabuf_handle)
+{
+ return dmabuf_handle->width;
+}
+
+int
+cogl_dma_buf_handle_get_height (CoglDmaBufHandle *dmabuf_handle)
+{
+ return dmabuf_handle->height;
+}
+
+int
+cogl_dma_buf_handle_get_stride (CoglDmaBufHandle *dmabuf_handle)
+{
+ return dmabuf_handle->stride;
+}
+
+int
+cogl_dma_buf_handle_get_offset (CoglDmaBufHandle *dmabuf_handle)
+{
+ return dmabuf_handle->offset;
+}
+
+int
+cogl_dma_buf_handle_get_bpp (CoglDmaBufHandle *dmabuf_handle)
+{
+ return dmabuf_handle->bpp;
+}
diff --git a/cogl/cogl/cogl-dma-buf-handle.h b/cogl/cogl/cogl-dma-buf-handle.h
index 25b9b0ccb5..f64a20678d 100644
--- a/cogl/cogl/cogl-dma-buf-handle.h
+++ b/cogl/cogl/cogl-dma-buf-handle.h
@@ -46,7 +46,12 @@
CoglDmaBufHandle *
cogl_dma_buf_handle_new (CoglFramebuffer *framebuffer,
int dmabuf_fd,
- gpointer data,
+ int width,
+ int height,
+ int stride,
+ int offset,
+ int bpp,
+ gpointer user_data,
GDestroyNotify destroy_func);
/**
@@ -79,5 +84,44 @@ cogl_dma_buf_handle_get_framebuffer (CoglDmaBufHandle *dmabuf_handle);
int
cogl_dma_buf_handle_get_fd (CoglDmaBufHandle *dmabuf_handle);
+/**
+ * cogl_dmabuf_handle_get_width: (skip)
+ *
+ * Returns: the buffer width
+ */
+int
+cogl_dma_buf_handle_get_width (CoglDmaBufHandle *dmabuf_handle);
+
+/**
+ * cogl_dmabuf_handle_get_height: (skip)
+ *
+ * Returns: the buffer height
+ */
+int
+cogl_dma_buf_handle_get_height (CoglDmaBufHandle *dmabuf_handle);
+
+/**
+ * cogl_dmabuf_handle_get_stride: (skip)
+ *
+ * Returns: the buffer stride
+ */
+int
+cogl_dma_buf_handle_get_stride (CoglDmaBufHandle *dmabuf_handle);
+
+/**
+ * cogl_dmabuf_handle_get_offset: (skip)
+ *
+ * Returns: the buffer offset
+ */
+int
+cogl_dma_buf_handle_get_offset (CoglDmaBufHandle *dmabuf_handle);
+
+/**
+ * cogl_dmabuf_handle_get_bpp: (skip)
+ *
+ * Returns: the number of bytes per pixel
+ */
+int
+cogl_dma_buf_handle_get_bpp (CoglDmaBufHandle *dmabuf_handle);
#endif /* __COGL_DMA_BUF_HANDLE_H__ */
diff --git a/src/backends/native/meta-renderer-native.c b/src/backends/native/meta-renderer-native.c
index 25833b6cf6..c14cb5acda 100644
--- a/src/backends/native/meta-renderer-native.c
+++ b/src/backends/native/meta-renderer-native.c
@@ -2641,6 +2641,9 @@ meta_renderer_native_create_dma_buf (CoglRenderer *cogl_renderer,
CoglFramebuffer *dmabuf_fb;
CoglDmaBufHandle *dmabuf_handle;
struct gbm_bo *new_bo;
+ int stride;
+ int offset;
+ int bpp;
int dmabuf_fd = -1;
new_bo = gbm_bo_create (renderer_gpu_data->gbm.device,
@@ -2664,11 +2667,14 @@ meta_renderer_native_create_dma_buf (CoglRenderer *cogl_renderer,
return NULL;
}
+ stride = gbm_bo_get_stride (new_bo);
+ offset = gbm_bo_get_offset (new_bo, 0);
+ bpp = 4;
dmabuf_fb = create_dma_buf_framebuffer (renderer_native,
dmabuf_fd,
width, height,
- gbm_bo_get_stride (new_bo),
- gbm_bo_get_offset (new_bo, 0),
+ stride,
+ offset,
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_XRGB8888,
error);
@@ -2677,7 +2683,9 @@ meta_renderer_native_create_dma_buf (CoglRenderer *cogl_renderer,
return NULL;
dmabuf_handle =
- cogl_dma_buf_handle_new (dmabuf_fb, dmabuf_fd, new_bo,
+ cogl_dma_buf_handle_new (dmabuf_fb, dmabuf_fd,
+ width, height, stride, offset, bpp,
+ new_bo,
(GDestroyNotify) gbm_bo_destroy);
cogl_object_unref (dmabuf_fb);
return dmabuf_handle;
--
2.28.0
From 2270f6dcf7b1e70386f5b4242f92bf5735bb88ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Thu, 30 Apr 2020 10:42:30 +0200
Subject: [PATCH 02/20] clutter/stage-view: Add name property
Will be used for logging to identify what view a log entry concerns. For
the native and nested backend this is the name of the output the CRTC is
assigned to drive; for X11 it's just "X11 screen", and for the legacy
"X11 screen" emulation mode of the nested backend it's called "legacy
nested".
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit c86367199febdee10ecd7ba24c69b6dda52cb896)
---
clutter/clutter/clutter-stage-view.c | 18 ++++++++++++++++++
src/backends/native/meta-renderer-native.c | 3 +++
.../x11/nested/meta-renderer-x11-nested.c | 4 ++++
3 files changed, 25 insertions(+)
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 0fad6fc446..6b543b5d51 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -27,6 +27,7 @@ enum
{
PROP_0,
+ PROP_NAME,
PROP_LAYOUT,
PROP_FRAMEBUFFER,
PROP_OFFSCREEN,
@@ -40,6 +41,8 @@ static GParamSpec *obj_props[PROP_LAST];
typedef struct _ClutterStageViewPrivate
{
+ char *name;
+
cairo_rectangle_int_t layout;
float scale;
CoglFramebuffer *framebuffer;
@@ -339,6 +342,9 @@ clutter_stage_view_get_property (GObject *object,
switch (prop_id)
{
+ case PROP_NAME:
+ g_value_set_string (value, priv->name);
+ break;
case PROP_LAYOUT:
g_value_set_boxed (value, &priv->layout);
break;
@@ -372,6 +378,9 @@ clutter_stage_view_set_property (GObject *object,
switch (prop_id)
{
+ case PROP_NAME:
+ priv->name = g_value_dup_string (value);
+ break;
case PROP_LAYOUT:
layout = g_value_get_boxed (value);
priv->layout = *layout;
@@ -414,6 +423,7 @@ clutter_stage_view_dispose (GObject *object)
ClutterStageViewPrivate *priv =
clutter_stage_view_get_instance_private (view);
+ g_clear_pointer (&priv->name, g_free);
g_clear_pointer (&priv->framebuffer, cogl_object_unref);
g_clear_pointer (&priv->shadowfb, cogl_object_unref);
g_clear_pointer (&priv->offscreen, cogl_object_unref);
@@ -446,6 +456,14 @@ clutter_stage_view_class_init (ClutterStageViewClass *klass)
object_class->set_property = clutter_stage_view_set_property;
object_class->dispose = clutter_stage_view_dispose;
+ obj_props[PROP_NAME] =
+ g_param_spec_string ("name",
+ "Name",
+ "Name of view",
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS);
obj_props[PROP_LAYOUT] =
g_param_spec_boxed ("layout",
"View layout",
diff --git a/src/backends/native/meta-renderer-native.c b/src/backends/native/meta-renderer-native.c
index c14cb5acda..d3fb5b3c55 100644
--- a/src/backends/native/meta-renderer-native.c
+++ b/src/backends/native/meta-renderer-native.c
@@ -3679,6 +3679,7 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
CoglContext *cogl_context =
cogl_context_from_renderer_native (renderer_native);
CoglDisplay *cogl_display = cogl_context_get_display (cogl_context);
+ MetaMonitor *monitor;
CoglDisplayEGL *cogl_display_egl;
CoglOnscreenEGL *onscreen_egl;
MetaMonitorTransform view_transform;
@@ -3742,7 +3743,9 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
g_error ("Failed to allocate shadow buffer texture: %s", error->message);
}
+ monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
view = g_object_new (META_TYPE_RENDERER_VIEW,
+ "name", meta_monitor_get_connector (monitor),
"layout", &logical_monitor->rect,
"scale", scale,
"framebuffer", onscreen,
diff --git a/src/backends/x11/nested/meta-renderer-x11-nested.c b/src/backends/x11/nested/meta-renderer-x11-nested.c
index 5000bf3579..f3a5547dbb 100644
--- a/src/backends/x11/nested/meta-renderer-x11-nested.c
+++ b/src/backends/x11/nested/meta-renderer-x11-nested.c
@@ -163,6 +163,7 @@ meta_renderer_x11_nested_ensure_legacy_view (MetaRendererX11Nested *renderer_x11
.height = height
};
legacy_view = g_object_new (META_TYPE_RENDERER_VIEW,
+ "name", "legacy nested",
"layout", &view_layout,
"framebuffer", COGL_FRAMEBUFFER (fake_onscreen),
NULL);
@@ -179,6 +180,7 @@ meta_renderer_x11_nested_create_view (MetaRenderer *renderer,
meta_backend_get_monitor_manager (backend);
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
+ MetaMonitor *monitor;
MetaMonitorTransform view_transform;
float view_scale;
int width, height;
@@ -212,7 +214,9 @@ meta_renderer_x11_nested_create_view (MetaRenderer *renderer,
else
offscreen = NULL;
+ monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
return g_object_new (META_TYPE_RENDERER_VIEW,
+ "name", meta_monitor_get_connector (monitor),
"layout", &logical_monitor->rect,
"framebuffer", COGL_FRAMEBUFFER (fake_onscreen),
"offscreen", COGL_FRAMEBUFFER (offscreen),
--
2.28.0
From 6716fde14c5b1a00a02a80b46db67d3f236a87c1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Thu, 30 Apr 2020 17:53:30 +0200
Subject: [PATCH 03/20] renderer-native: Move shadow fb construction to the
stage view
The stage view will need a more involved approach to shadow buffers, in
order to implement things such double buffered shadow buffers and damage
detection.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 3ab89be574f0e02dc67e1b1f538bb24f94612bcf)
---
clutter/clutter/clutter-stage-view.c | 115 ++++++++++++++++++---
src/backends/native/meta-renderer-native.c | 25 +----
2 files changed, 106 insertions(+), 34 deletions(-)
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 6b543b5d51..db0067297c 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -31,7 +31,7 @@ enum
PROP_LAYOUT,
PROP_FRAMEBUFFER,
PROP_OFFSCREEN,
- PROP_SHADOWFB,
+ PROP_USE_SHADOWFB,
PROP_SCALE,
PROP_LAST
@@ -50,6 +50,7 @@ typedef struct _ClutterStageViewPrivate
CoglOffscreen *offscreen;
CoglPipeline *offscreen_pipeline;
+ gboolean use_shadowfb;
CoglOffscreen *shadowfb;
CoglPipeline *shadowfb_pipeline;
@@ -206,6 +207,80 @@ clutter_stage_view_copy_to_framebuffer (ClutterStageView *view,
cogl_framebuffer_pop_matrix (dst_framebuffer);
}
+static CoglOffscreen *
+create_offscreen_framebuffer (CoglContext *context,
+ int width,
+ int height,
+ GError **error)
+{
+ CoglOffscreen *framebuffer;
+ CoglTexture2D *texture;
+
+ texture = cogl_texture_2d_new_with_size (context, width, height);
+ cogl_primitive_texture_set_auto_mipmap (COGL_PRIMITIVE_TEXTURE (texture),
+ FALSE);
+
+ if (!cogl_texture_allocate (COGL_TEXTURE (texture), error))
+ {
+ cogl_object_unref (texture);
+ return FALSE;
+ }
+
+ framebuffer = cogl_offscreen_new_with_texture (COGL_TEXTURE (texture));
+ cogl_object_unref (texture);
+ if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (framebuffer), error))
+ {
+ cogl_object_unref (framebuffer);
+ return FALSE;
+ }
+
+ return framebuffer;
+}
+
+static gboolean
+init_offscreen_shadowfb (ClutterStageView *view,
+ CoglContext *cogl_context,
+ int width,
+ int height,
+ GError **error)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+ CoglOffscreen *offscreen;
+
+ offscreen = create_offscreen_framebuffer (cogl_context, width, height, error);
+ if (!offscreen)
+ return FALSE;
+
+ priv->shadowfb = offscreen;
+ return TRUE;
+}
+
+static void
+init_shadowfb (ClutterStageView *view)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+ g_autoptr (GError) error = NULL;
+ int width;
+ int height;
+ CoglContext *cogl_context;
+
+ width = cogl_framebuffer_get_width (priv->framebuffer);
+ height = cogl_framebuffer_get_height (priv->framebuffer);
+ cogl_context = cogl_framebuffer_get_context (priv->framebuffer);
+
+ if (!init_offscreen_shadowfb (view, cogl_context, width, height, &error))
+ {
+ g_warning ("Failed to initialize single buffered shadow fb for %s: %s",
+ priv->name, error->message);
+ }
+ else
+ {
+ g_message ("Initialized single buffered shadow fb for %s", priv->name);
+ }
+}
+
void
clutter_stage_view_blit_offscreen (ClutterStageView *view,
const cairo_rectangle_int_t *rect)
@@ -354,8 +429,8 @@ clutter_stage_view_get_property (GObject *object,
case PROP_OFFSCREEN:
g_value_set_boxed (value, priv->offscreen);
break;
- case PROP_SHADOWFB:
- g_value_set_boxed (value, priv->shadowfb);
+ case PROP_USE_SHADOWFB:
+ g_value_set_boolean (value, priv->use_shadowfb);
break;
case PROP_SCALE:
g_value_set_float (value, priv->scale);
@@ -405,8 +480,8 @@ clutter_stage_view_set_property (GObject *object,
case PROP_OFFSCREEN:
priv->offscreen = g_value_dup_boxed (value);
break;
- case PROP_SHADOWFB:
- priv->shadowfb = g_value_dup_boxed (value);
+ case PROP_USE_SHADOWFB:
+ priv->use_shadowfb = g_value_get_boolean (value);
break;
case PROP_SCALE:
priv->scale = g_value_get_float (value);
@@ -416,6 +491,19 @@ clutter_stage_view_set_property (GObject *object,
}
}
+static void
+clutter_stage_view_constructed (GObject *object)
+{
+ ClutterStageView *view = CLUTTER_STAGE_VIEW (object);
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+
+ if (priv->use_shadowfb)
+ init_shadowfb (view);
+
+ G_OBJECT_CLASS (clutter_stage_view_parent_class)->constructed (object);
+}
+
static void
clutter_stage_view_dispose (GObject *object)
{
@@ -454,6 +542,7 @@ clutter_stage_view_class_init (ClutterStageViewClass *klass)
object_class->get_property = clutter_stage_view_get_property;
object_class->set_property = clutter_stage_view_set_property;
+ object_class->constructed = clutter_stage_view_constructed;
object_class->dispose = clutter_stage_view_dispose;
obj_props[PROP_NAME] =
@@ -491,14 +580,14 @@ clutter_stage_view_class_init (ClutterStageViewClass *klass)
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
- obj_props[PROP_SHADOWFB] =
- g_param_spec_boxed ("shadowfb",
- "Shadow framebuffer",
- "Framebuffer used as intermediate shadow buffer",
- COGL_TYPE_HANDLE,
- G_PARAM_READWRITE |
- G_PARAM_CONSTRUCT_ONLY |
- G_PARAM_STATIC_STRINGS);
+ obj_props[PROP_USE_SHADOWFB] =
+ g_param_spec_boolean ("use-shadowfb",
+ "Use shadowfb",
+ "Whether to use one or more shadow framebuffers",
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS);
obj_props[PROP_SCALE] =
g_param_spec_float ("scale",
diff --git a/src/backends/native/meta-renderer-native.c b/src/backends/native/meta-renderer-native.c
index d3fb5b3c55..463dddd3a7 100644
--- a/src/backends/native/meta-renderer-native.c
+++ b/src/backends/native/meta-renderer-native.c
@@ -3685,7 +3685,7 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
MetaMonitorTransform view_transform;
CoglOnscreen *onscreen = NULL;
CoglOffscreen *offscreen = NULL;
- CoglOffscreen *shadowfb = NULL;
+ gboolean use_shadowfb;
float scale;
int width, height;
MetaRendererView *view;
@@ -3724,24 +3724,8 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
}
- if (should_force_shadow_fb (renderer_native,
- renderer_native->primary_gpu_kms))
- {
- int shadow_width;
- int shadow_height;
-
- /* The shadowfb must be the same size as the on-screen framebuffer */
- shadow_width = cogl_framebuffer_get_width (COGL_FRAMEBUFFER (onscreen));
- shadow_height = cogl_framebuffer_get_height (COGL_FRAMEBUFFER (onscreen));
-
- shadowfb = meta_renderer_native_create_offscreen (renderer_native,
- cogl_context,
- shadow_width,
- shadow_height,
- &error);
- if (!shadowfb)
- g_error ("Failed to allocate shadow buffer texture: %s", error->message);
- }
+ use_shadowfb = should_force_shadow_fb (renderer_native,
+ renderer_native->primary_gpu_kms);
monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
view = g_object_new (META_TYPE_RENDERER_VIEW,
@@ -3750,12 +3734,11 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
"scale", scale,
"framebuffer", onscreen,
"offscreen", offscreen,
- "shadowfb", shadowfb,
+ "use-shadowfb", use_shadowfb,
"logical-monitor", logical_monitor,
"transform", view_transform,
NULL);
g_clear_pointer (&offscreen, cogl_object_unref);
- g_clear_pointer (&shadowfb, cogl_object_unref);
meta_onscreen_native_set_view (onscreen, view);
--
2.28.0
From f79b37583e575d34edb4b7965cb0e48eb2736749 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Thu, 30 Apr 2020 18:19:30 +0200
Subject: [PATCH 04/20] clutter/stage-view: Move shadowfb struct fields into
anonymous struct
With the aim to collect shadow buffer related things in one place, place
them in an anonymous struct.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 310ca695d90b48074a06327e87bd7e924f49cb7f)
---
clutter/clutter/clutter-stage-view.c | 32 +++++++++++++++-------------
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index db0067297c..9bbe158f36 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -51,8 +51,10 @@ typedef struct _ClutterStageViewPrivate
CoglPipeline *offscreen_pipeline;
gboolean use_shadowfb;
- CoglOffscreen *shadowfb;
- CoglPipeline *shadowfb_pipeline;
+ struct {
+ CoglOffscreen *framebuffer;
+ CoglPipeline *pipeline;
+ } shadow;
guint dirty_viewport : 1;
guint dirty_projection : 1;
@@ -86,8 +88,8 @@ clutter_stage_view_get_framebuffer (ClutterStageView *view)
if (priv->offscreen)
return priv->offscreen;
- else if (priv->shadowfb)
- return priv->shadowfb;
+ else if (priv->shadow.framebuffer)
+ return priv->shadow.framebuffer;
else
return priv->framebuffer;
}
@@ -153,11 +155,11 @@ clutter_stage_view_ensure_shadowfb_blit_pipeline (ClutterStageView *view)
ClutterStageViewPrivate *priv =
clutter_stage_view_get_instance_private (view);
- if (priv->shadowfb_pipeline)
+ if (priv->shadow.pipeline)
return;
- priv->shadowfb_pipeline =
- clutter_stage_view_create_framebuffer_pipeline (priv->shadowfb);
+ priv->shadow.pipeline =
+ clutter_stage_view_create_framebuffer_pipeline (priv->shadow.framebuffer);
}
void
@@ -252,7 +254,7 @@ init_offscreen_shadowfb (ClutterStageView *view,
if (!offscreen)
return FALSE;
- priv->shadowfb = offscreen;
+ priv->shadow.framebuffer = offscreen;
return TRUE;
}
@@ -297,13 +299,13 @@ clutter_stage_view_blit_offscreen (ClutterStageView *view,
clutter_stage_view_get_offscreen_transformation_matrix (view, &matrix);
can_blit = cogl_matrix_is_identity (&matrix);
- if (priv->shadowfb)
+ if (priv->shadow.framebuffer)
{
clutter_stage_view_copy_to_framebuffer (view,
rect,
priv->offscreen_pipeline,
priv->offscreen,
- priv->shadowfb,
+ priv->shadow.framebuffer,
can_blit);
}
else
@@ -317,13 +319,13 @@ clutter_stage_view_blit_offscreen (ClutterStageView *view,
}
}
- if (priv->shadowfb)
+ if (priv->shadow.framebuffer)
{
clutter_stage_view_ensure_shadowfb_blit_pipeline (view);
clutter_stage_view_copy_to_framebuffer (view,
rect,
- priv->shadowfb_pipeline,
- priv->shadowfb,
+ priv->shadow.pipeline,
+ priv->shadow.framebuffer,
priv->framebuffer,
TRUE);
}
@@ -513,10 +515,10 @@ clutter_stage_view_dispose (GObject *object)
g_clear_pointer (&priv->name, g_free);
g_clear_pointer (&priv->framebuffer, cogl_object_unref);
- g_clear_pointer (&priv->shadowfb, cogl_object_unref);
+ g_clear_pointer (&priv->shadow.framebuffer, cogl_object_unref);
+ g_clear_pointer (&priv->shadow.pipeline, cogl_object_unref);
g_clear_pointer (&priv->offscreen, cogl_object_unref);
g_clear_pointer (&priv->offscreen_pipeline, cogl_object_unref);
- g_clear_pointer (&priv->shadowfb_pipeline, cogl_object_unref);
G_OBJECT_CLASS (clutter_stage_view_parent_class)->dispose (object);
}
--
2.28.0
From 7bf71e7b5f39fcf34c4a636640636f9452b4b06c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Thu, 30 Apr 2020 21:51:10 +0200
Subject: [PATCH 05/20] clutter/stage-view: Move fb viewport and projection
setting to here
The stage would fetch the front framebuffer and set the viewport and
projection matrix, but if we are going to more than one front buffer,
that won't work, so let the stage just pass the viewport and projection
matrix to the view and have the view deal with the framebuffer(s).
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit c79bcf0d7e35cf9e85864cf72ea53659a6b8d8a7)
---
clutter/clutter/clutter-stage-view-private.h | 8 ++++++
clutter/clutter/clutter-stage-view.c | 29 ++++++++++++++++++++
clutter/clutter/clutter-stage.c | 16 ++++-------
3 files changed, 42 insertions(+), 11 deletions(-)
diff --git a/clutter/clutter/clutter-stage-view-private.h b/clutter/clutter/clutter-stage-view-private.h
index 89c42599fc..78aa37c9f4 100644
--- a/clutter/clutter/clutter-stage-view-private.h
+++ b/clutter/clutter/clutter-stage-view-private.h
@@ -28,10 +28,18 @@ gboolean clutter_stage_view_is_dirty_viewport (ClutterStageView *view);
void clutter_stage_view_set_dirty_viewport (ClutterStageView *view,
gboolean dirty);
+void clutter_stage_view_set_viewport (ClutterStageView *view,
+ float x,
+ float y,
+ float width,
+ float height);
+
gboolean clutter_stage_view_is_dirty_projection (ClutterStageView *view);
void clutter_stage_view_set_dirty_projection (ClutterStageView *view,
gboolean dirty);
+void clutter_stage_view_set_projection (ClutterStageView *view,
+ const CoglMatrix *matrix);
#endif /* __CLUTTER_STAGE_VIEW_PRIVATE_H__ */
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 9bbe158f36..4d8bbddc9d 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -359,6 +359,22 @@ clutter_stage_view_set_dirty_viewport (ClutterStageView *view,
priv->dirty_viewport = dirty;
}
+void
+clutter_stage_view_set_viewport (ClutterStageView *view,
+ float x,
+ float y,
+ float width,
+ float height)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+ CoglFramebuffer *framebuffer;
+
+ priv->dirty_viewport = FALSE;
+ framebuffer = clutter_stage_view_get_framebuffer (view);
+ cogl_framebuffer_set_viewport (framebuffer, x, y, width, height);
+}
+
gboolean
clutter_stage_view_is_dirty_projection (ClutterStageView *view)
{
@@ -378,6 +394,19 @@ clutter_stage_view_set_dirty_projection (ClutterStageView *view,
priv->dirty_projection = dirty;
}
+void
+clutter_stage_view_set_projection (ClutterStageView *view,
+ const CoglMatrix *matrix)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+ CoglFramebuffer *framebuffer;
+
+ priv->dirty_projection = FALSE;
+ framebuffer = clutter_stage_view_get_framebuffer (view);
+ cogl_framebuffer_set_projection_matrix (framebuffer, matrix);
+}
+
void
clutter_stage_view_get_offscreen_transformation_matrix (ClutterStageView *view,
CoglMatrix *matrix)
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index 34c4e0119a..4bde234dbf 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -3687,7 +3687,6 @@ _clutter_stage_maybe_setup_viewport (ClutterStage *stage,
ClutterStageView *view)
{
ClutterStagePrivate *priv = stage->priv;
- CoglFramebuffer *fb = clutter_stage_view_get_framebuffer (view);
if (clutter_stage_view_is_dirty_viewport (view))
{
@@ -3716,9 +3715,10 @@ _clutter_stage_maybe_setup_viewport (ClutterStage *stage,
viewport_y = roundf (priv->viewport[1] * fb_scale - viewport_offset_y);
viewport_width = roundf (priv->viewport[2] * fb_scale);
viewport_height = roundf (priv->viewport[3] * fb_scale);
- cogl_framebuffer_set_viewport (fb,
- viewport_x, viewport_y,
- viewport_width, viewport_height);
+
+ clutter_stage_view_set_viewport (view,
+ viewport_x, viewport_y,
+ viewport_width, viewport_height);
perspective = priv->perspective;
@@ -3751,16 +3751,10 @@ _clutter_stage_maybe_setup_viewport (ClutterStage *stage,
z_2d,
priv->viewport[2],
priv->viewport[3]);
-
- clutter_stage_view_set_dirty_viewport (view, FALSE);
}
if (clutter_stage_view_is_dirty_projection (view))
- {
- cogl_framebuffer_set_projection_matrix (fb, &priv->projection);
-
- clutter_stage_view_set_dirty_projection (view, FALSE);
- }
+ clutter_stage_view_set_projection (view, &priv->projection);
}
#undef _DEG_TO_RAD
--
2.28.0
From 0b345dc3a108f12ebc00e831692b43291c84cd07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Thu, 30 Apr 2020 21:59:49 +0200
Subject: [PATCH 06/20] clutter/stage-view: Change set_dirty..() API to
invalidate..()
The manual "cleaning" of the viewport and projection state is removed,
and we only ever try to invalidate the state so that it'll be updated
next time. Change the API used to reflect this.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 3080ee672a366a3a52d9f43523c40e3afd08e874)
---
clutter/clutter/clutter-stage-view-private.h | 6 ++----
clutter/clutter/clutter-stage-view.c | 10 ++++------
clutter/clutter/clutter-stage.c | 4 ++--
3 files changed, 8 insertions(+), 12 deletions(-)
diff --git a/clutter/clutter/clutter-stage-view-private.h b/clutter/clutter/clutter-stage-view-private.h
index 78aa37c9f4..e27f140b8a 100644
--- a/clutter/clutter/clutter-stage-view-private.h
+++ b/clutter/clutter/clutter-stage-view-private.h
@@ -25,8 +25,7 @@ void clutter_stage_view_blit_offscreen (ClutterStageView *view,
gboolean clutter_stage_view_is_dirty_viewport (ClutterStageView *view);
-void clutter_stage_view_set_dirty_viewport (ClutterStageView *view,
- gboolean dirty);
+void clutter_stage_view_invalidate_viewport (ClutterStageView *view);
void clutter_stage_view_set_viewport (ClutterStageView *view,
float x,
@@ -36,8 +35,7 @@ void clutter_stage_view_set_viewport (ClutterStageView *view,
gboolean clutter_stage_view_is_dirty_projection (ClutterStageView *view);
-void clutter_stage_view_set_dirty_projection (ClutterStageView *view,
- gboolean dirty);
+void clutter_stage_view_invalidate_projection (ClutterStageView *view);
void clutter_stage_view_set_projection (ClutterStageView *view,
const CoglMatrix *matrix);
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 4d8bbddc9d..40edfad6e1 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -350,13 +350,12 @@ clutter_stage_view_is_dirty_viewport (ClutterStageView *view)
}
void
-clutter_stage_view_set_dirty_viewport (ClutterStageView *view,
- gboolean dirty)
+clutter_stage_view_invalidate_viewport (ClutterStageView *view)
{
ClutterStageViewPrivate *priv =
clutter_stage_view_get_instance_private (view);
- priv->dirty_viewport = dirty;
+ priv->dirty_viewport = TRUE;
}
void
@@ -385,13 +384,12 @@ clutter_stage_view_is_dirty_projection (ClutterStageView *view)
}
void
-clutter_stage_view_set_dirty_projection (ClutterStageView *view,
- gboolean dirty)
+clutter_stage_view_invalidate_projection (ClutterStageView *view)
{
ClutterStageViewPrivate *priv =
clutter_stage_view_get_instance_private (view);
- priv->dirty_projection = dirty;
+ priv->dirty_projection = TRUE;
}
void
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index 4bde234dbf..aaa77d9ede 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -2636,7 +2636,7 @@ _clutter_stage_dirty_projection (ClutterStage *stage)
{
ClutterStageView *view = l->data;
- clutter_stage_view_set_dirty_projection (view, TRUE);
+ clutter_stage_view_invalidate_projection (view);
}
}
@@ -2725,7 +2725,7 @@ _clutter_stage_dirty_viewport (ClutterStage *stage)
{
ClutterStageView *view = l->data;
- clutter_stage_view_set_dirty_viewport (view, TRUE);
+ clutter_stage_view_invalidate_viewport (view);
}
}
--
2.28.0
From 32da7b5c31277c56089e4b3b8ccf43bc552e8974 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 5 May 2020 17:05:36 +0200
Subject: [PATCH 07/20] cogl: Make private BLIT_FRAMEBUFFER feature public
Will be a requirement for enabling shadow buffers.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit b3153760bf81af07f5328ba07b0ff3009bd8305b)
---
cogl/cogl/cogl-blit.c | 2 +-
cogl/cogl/cogl-context.h | 3 +++
cogl/cogl/cogl-framebuffer.c | 2 +-
cogl/cogl/cogl-framebuffer.h | 2 +-
cogl/cogl/cogl-private.h | 1 -
cogl/cogl/driver/gl/cogl-framebuffer-gl.c | 4 ++--
cogl/cogl/driver/gl/gl/cogl-driver-gl.c | 4 ++--
cogl/cogl/driver/gl/gles/cogl-driver-gles.c | 4 ++--
8 files changed, 12 insertions(+), 10 deletions(-)
diff --git a/cogl/cogl/cogl-blit.c b/cogl/cogl/cogl-blit.c
index ae5a8a345d..dd5fffff37 100644
--- a/cogl/cogl/cogl-blit.c
+++ b/cogl/cogl/cogl-blit.c
@@ -158,7 +158,7 @@ _cogl_blit_framebuffer_begin (CoglBlitData *data)
supported. */
if ((_cogl_texture_get_format (data->src_tex) & COGL_PREMULT_BIT) !=
(_cogl_texture_get_format (data->dst_tex) & COGL_PREMULT_BIT) ||
- !_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER))
+ !cogl_has_feature (ctx, COGL_FEATURE_ID_BLIT_FRAMEBUFFER))
return FALSE;
dst_offscreen = _cogl_offscreen_new_with_texture_full
diff --git a/cogl/cogl/cogl-context.h b/cogl/cogl/cogl-context.h
index d4104625e6..ec90491e94 100644
--- a/cogl/cogl/cogl-context.h
+++ b/cogl/cogl/cogl-context.h
@@ -227,6 +227,8 @@ cogl_is_context (void *object);
* the depth buffer to a texture.
* @COGL_FEATURE_ID_PRESENTATION_TIME: Whether frame presentation
* time stamps will be recorded in #CoglFrameInfo objects.
+ * @COGL_FEATURE_ID_BLIT_FRAMEBUFFER: Whether blitting using
+ * cogl_blit_framebuffer() is supported.
*
* All the capabilities that can vary between different GPUs supported
* by Cogl. Applications that depend on any of these features should explicitly
@@ -261,6 +263,7 @@ typedef enum _CoglFeatureID
COGL_FEATURE_ID_TEXTURE_RG,
COGL_FEATURE_ID_BUFFER_AGE,
COGL_FEATURE_ID_TEXTURE_EGL_IMAGE_EXTERNAL,
+ COGL_FEATURE_ID_BLIT_FRAMEBUFFER,
/*< private >*/
_COGL_N_FEATURE_IDS /*< skip >*/
diff --git a/cogl/cogl/cogl-framebuffer.c b/cogl/cogl/cogl-framebuffer.c
index d64fc89fb6..fffac3f685 100644
--- a/cogl/cogl/cogl-framebuffer.c
+++ b/cogl/cogl/cogl-framebuffer.c
@@ -1464,7 +1464,7 @@ cogl_blit_framebuffer (CoglFramebuffer *src,
int src_x1, src_y1, src_x2, src_y2;
int dst_x1, dst_y1, dst_x2, dst_y2;
- if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER))
+ if (!cogl_has_feature (ctx, COGL_FEATURE_ID_BLIT_FRAMEBUFFER))
{
g_set_error_literal (error, COGL_SYSTEM_ERROR,
COGL_SYSTEM_ERROR_UNSUPPORTED,
diff --git a/cogl/cogl/cogl-framebuffer.h b/cogl/cogl/cogl-framebuffer.h
index 38ada9feb7..c347076919 100644
--- a/cogl/cogl/cogl-framebuffer.h
+++ b/cogl/cogl/cogl-framebuffer.h
@@ -1863,7 +1863,7 @@ cogl_is_framebuffer (void *object);
*
* This blits a region of the color buffer of the source buffer
* to the destination buffer. This function should only be
- * called if the COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER feature is
+ * called if the COGL_FEATURE_ID_BLIT_FRAMEBUFFER feature is
* advertised.
*
* The source and destination rectangles are defined in offscreen
diff --git a/cogl/cogl/cogl-private.h b/cogl/cogl/cogl-private.h
index d9fbe68c76..07ac7eb2d8 100644
--- a/cogl/cogl/cogl-private.h
+++ b/cogl/cogl/cogl-private.h
@@ -42,7 +42,6 @@ typedef enum
{
COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE,
COGL_PRIVATE_FEATURE_MESA_PACK_INVERT,
- COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER,
COGL_PRIVATE_FEATURE_FOUR_CLIP_PLANES,
COGL_PRIVATE_FEATURE_PBOS,
COGL_PRIVATE_FEATURE_VBOS,
diff --git a/cogl/cogl/driver/gl/cogl-framebuffer-gl.c b/cogl/cogl/driver/gl/cogl-framebuffer-gl.c
index 6466fd6bcf..2c0613462f 100644
--- a/cogl/cogl/driver/gl/cogl-framebuffer-gl.c
+++ b/cogl/cogl/driver/gl/cogl-framebuffer-gl.c
@@ -401,8 +401,8 @@ _cogl_framebuffer_gl_flush_state (CoglFramebuffer *draw_buffer,
{
/* NB: Currently we only take advantage of binding separate
* read/write buffers for framebuffer blit purposes. */
- _COGL_RETURN_IF_FAIL (_cogl_has_private_feature
- (ctx, COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER));
+ _COGL_RETURN_IF_FAIL (cogl_has_feature
+ (ctx, COGL_FEATURE_ID_BLIT_FRAMEBUFFER));
_cogl_framebuffer_gl_bind (draw_buffer, GL_DRAW_FRAMEBUFFER);
_cogl_framebuffer_gl_bind (read_buffer, GL_READ_FRAMEBUFFER);
diff --git a/cogl/cogl/driver/gl/gl/cogl-driver-gl.c b/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
index 716617b54b..f905267c53 100644
--- a/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
+++ b/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
@@ -466,8 +466,8 @@ _cogl_driver_update_features (CoglContext *ctx,
}
if (ctx->glBlitFramebuffer)
- COGL_FLAGS_SET (private_features,
- COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER, TRUE);
+ COGL_FLAGS_SET (ctx->features,
+ COGL_FEATURE_ID_BLIT_FRAMEBUFFER, TRUE);
if (ctx->glRenderbufferStorageMultisampleIMG)
{
diff --git a/cogl/cogl/driver/gl/gles/cogl-driver-gles.c b/cogl/cogl/driver/gl/gles/cogl-driver-gles.c
index 902bd0bd3a..e55bb302c4 100644
--- a/cogl/cogl/driver/gl/gles/cogl-driver-gles.c
+++ b/cogl/cogl/driver/gl/gles/cogl-driver-gles.c
@@ -325,8 +325,8 @@ _cogl_driver_update_features (CoglContext *context,
}
if (context->glBlitFramebuffer)
- COGL_FLAGS_SET (private_features,
- COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER, TRUE);
+ COGL_FLAGS_SET (context->features,
+ COGL_FEATURE_ID_BLIT_FRAMEBUFFER, TRUE);
if (_cogl_check_extension ("GL_OES_element_index_uint", gl_extensions))
{
--
2.28.0
From 32aa92e50a12a5fd9652866937750a3c86c4845f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 5 May 2020 17:06:35 +0200
Subject: [PATCH 08/20] renderer/native: Only enable shadowfbs if we can blit
There is no point in enabling shadow buffers if we can't as that'd be
even slower than not having them at all.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit f191c3b74f572547707fcb6522db76a88689eae2)
---
src/backends/native/meta-renderer-native.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/backends/native/meta-renderer-native.c b/src/backends/native/meta-renderer-native.c
index 463dddd3a7..62ca4bcbd4 100644
--- a/src/backends/native/meta-renderer-native.c
+++ b/src/backends/native/meta-renderer-native.c
@@ -3649,6 +3649,9 @@ should_force_shadow_fb (MetaRendererNative *renderer_native,
break;
}
+ if (!cogl_has_feature (cogl_context, COGL_FEATURE_ID_BLIT_FRAMEBUFFER))
+ return FALSE;
+
kms_fd = meta_gpu_kms_get_fd (primary_gpu);
if (drmGetCap (kms_fd, DRM_CAP_DUMB_PREFER_SHADOW, &prefer_shadow) == 0)
{
--
2.28.0
From 5f247503e261f5bbb6baedc40c737c96b8144218 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 5 May 2020 18:55:03 +0200
Subject: [PATCH 09/20] clutter/stage-view: Always use cogl_blit_framebuffer()
from shadowfb
It should only be used when direct blitting is supported, so there is no
reason we should have to deal with pipelines etc when blitting from the
shadow buffer to the onscreen.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 130f696f303a01d6d666ac967c53b4b5dc372f08)
---
clutter/clutter/clutter-stage-view.c | 37 +++++++++++-----------------
1 file changed, 15 insertions(+), 22 deletions(-)
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 40edfad6e1..e7e33963a6 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -53,7 +53,6 @@ typedef struct _ClutterStageViewPrivate
gboolean use_shadowfb;
struct {
CoglOffscreen *framebuffer;
- CoglPipeline *pipeline;
} shadow;
guint dirty_viewport : 1;
@@ -149,19 +148,6 @@ clutter_stage_view_ensure_offscreen_blit_pipeline (ClutterStageView *view)
view_class->setup_offscreen_blit_pipeline (view, priv->offscreen_pipeline);
}
-static void
-clutter_stage_view_ensure_shadowfb_blit_pipeline (ClutterStageView *view)
-{
- ClutterStageViewPrivate *priv =
- clutter_stage_view_get_instance_private (view);
-
- if (priv->shadow.pipeline)
- return;
-
- priv->shadow.pipeline =
- clutter_stage_view_create_framebuffer_pipeline (priv->shadow.framebuffer);
-}
-
void
clutter_stage_view_invalidate_offscreen_blit_pipeline (ClutterStageView *view)
{
@@ -321,13 +307,21 @@ clutter_stage_view_blit_offscreen (ClutterStageView *view,
if (priv->shadow.framebuffer)
{
- clutter_stage_view_ensure_shadowfb_blit_pipeline (view);
- clutter_stage_view_copy_to_framebuffer (view,
- rect,
- priv->shadow.pipeline,
- priv->shadow.framebuffer,
- priv->framebuffer,
- TRUE);
+ int width, height;
+ g_autoptr (GError) error = NULL;
+
+ width = cogl_framebuffer_get_width (priv->framebuffer);
+ height = cogl_framebuffer_get_height (priv->framebuffer);
+ if (!cogl_blit_framebuffer (priv->shadow.framebuffer,
+ priv->framebuffer,
+ 0, 0,
+ 0, 0,
+ width, height,
+ &error))
+ {
+ g_warning ("Failed to blit shadow buffer: %s", error->message);
+ return;
+ }
}
}
@@ -543,7 +537,6 @@ clutter_stage_view_dispose (GObject *object)
g_clear_pointer (&priv->name, g_free);
g_clear_pointer (&priv->framebuffer, cogl_object_unref);
g_clear_pointer (&priv->shadow.framebuffer, cogl_object_unref);
- g_clear_pointer (&priv->shadow.pipeline, cogl_object_unref);
g_clear_pointer (&priv->offscreen, cogl_object_unref);
g_clear_pointer (&priv->offscreen_pipeline, cogl_object_unref);
--
2.28.0
From d20008aa8630c87d8607e64ff77188fc67b3d22a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 5 May 2020 18:59:32 +0200
Subject: [PATCH 10/20] clutter/stage-view: Simplify painting of offscreen
slightly
We will only ever have an "offscreen" if we're painting transformed in
some way, so the 'can_blit' checking is unnecessary. Remove it.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 32d5e7d3d77c7ba29b8a7da45731aa31bd486056)
---
clutter/clutter/clutter-stage-view.c | 49 +++++++---------------------
1 file changed, 12 insertions(+), 37 deletions(-)
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index e7e33963a6..64fb20cb00 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -158,29 +158,13 @@ clutter_stage_view_invalidate_offscreen_blit_pipeline (ClutterStageView *view)
}
static void
-clutter_stage_view_copy_to_framebuffer (ClutterStageView *view,
- const cairo_rectangle_int_t *rect,
- CoglPipeline *pipeline,
- CoglFramebuffer *src_framebuffer,
- CoglFramebuffer *dst_framebuffer,
- gboolean can_blit)
+paint_transformed_framebuffer (ClutterStageView *view,
+ CoglPipeline *pipeline,
+ CoglFramebuffer *src_framebuffer,
+ CoglFramebuffer *dst_framebuffer)
{
CoglMatrix matrix;
- /* First, try with blit */
- if (can_blit)
- {
- if (cogl_blit_framebuffer (src_framebuffer,
- dst_framebuffer,
- 0, 0,
- 0, 0,
- cogl_framebuffer_get_width (dst_framebuffer),
- cogl_framebuffer_get_height (dst_framebuffer),
- NULL))
- return;
- }
-
- /* If blit fails, fallback to the slower painting method */
cogl_framebuffer_push_matrix (dst_framebuffer);
cogl_matrix_init_identity (&matrix);
@@ -278,30 +262,21 @@ clutter_stage_view_blit_offscreen (ClutterStageView *view,
if (priv->offscreen)
{
- gboolean can_blit;
- CoglMatrix matrix;
-
clutter_stage_view_ensure_offscreen_blit_pipeline (view);
- clutter_stage_view_get_offscreen_transformation_matrix (view, &matrix);
- can_blit = cogl_matrix_is_identity (&matrix);
if (priv->shadow.framebuffer)
{
- clutter_stage_view_copy_to_framebuffer (view,
- rect,
- priv->offscreen_pipeline,
- priv->offscreen,
- priv->shadow.framebuffer,
- can_blit);
+ paint_transformed_framebuffer (view,
+ priv->offscreen_pipeline,
+ priv->offscreen,
+ priv->shadow.framebuffer);
}
else
{
- clutter_stage_view_copy_to_framebuffer (view,
- rect,
- priv->offscreen_pipeline,
- priv->offscreen,
- priv->framebuffer,
- can_blit);
+ paint_transformed_framebuffer (view,
+ priv->offscreen_pipeline,
+ priv->offscreen,
+ priv->framebuffer);
}
}
--
2.28.0
From 8fca65cc3ff989529bf08a47f20b80691f91f95f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 5 May 2020 19:08:03 +0200
Subject: [PATCH 11/20] region-utils: Make transform util const correct
The input should be const, as it will not be altered.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 761bc64cdd4746389625173454b8861cf211cd79)
---
src/compositor/region-utils.c | 2 +-
src/compositor/region-utils.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/compositor/region-utils.c b/src/compositor/region-utils.c
index 752af85c5c..8edb89322c 100644
--- a/src/compositor/region-utils.c
+++ b/src/compositor/region-utils.c
@@ -376,7 +376,7 @@ meta_make_border_region (cairo_region_t *region,
}
cairo_region_t *
-meta_region_transform (cairo_region_t *region,
+meta_region_transform (const cairo_region_t *region,
MetaMonitorTransform transform,
int width,
int height)
diff --git a/src/compositor/region-utils.h b/src/compositor/region-utils.h
index 84e4d83bc2..ca1b8b7b45 100644
--- a/src/compositor/region-utils.h
+++ b/src/compositor/region-utils.h
@@ -106,7 +106,7 @@ cairo_region_t * meta_make_border_region (cairo_region_t *region,
int y_amount,
gboolean flip);
-cairo_region_t * meta_region_transform (cairo_region_t *region,
+cairo_region_t * meta_region_transform (const cairo_region_t *region,
MetaMonitorTransform transform,
int width,
int height);
--
2.28.0
From 58331ff2f10aad87f537e3ebdaa5707c13c9e41b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 5 May 2020 19:05:36 +0200
Subject: [PATCH 12/20] clutter/stage-cogl: Use buffer age when view monitor is
rotated
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
(cherry picked from commit 41c2c2c7d72a0bc8ac1970d35183345424642cf1)
---
clutter/clutter/clutter-stage-view-private.h | 6 +++
clutter/clutter/clutter-stage-view.c | 29 ++++++-----
clutter/clutter/clutter-stage-view.h | 11 ++--
clutter/clutter/cogl/clutter-stage-cogl.c | 54 +++++++-------------
src/backends/meta-renderer-view.c | 22 ++++++++
5 files changed, 68 insertions(+), 54 deletions(-)
diff --git a/clutter/clutter/clutter-stage-view-private.h b/clutter/clutter/clutter-stage-view-private.h
index e27f140b8a..10f9847b70 100644
--- a/clutter/clutter/clutter-stage-view-private.h
+++ b/clutter/clutter/clutter-stage-view-private.h
@@ -40,4 +40,10 @@ void clutter_stage_view_invalidate_projection (ClutterStageView *view);
void clutter_stage_view_set_projection (ClutterStageView *view,
const CoglMatrix *matrix);
+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__ */
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 64fb20cb00..080bfd6669 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -157,6 +157,22 @@ 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,
@@ -383,19 +399,6 @@ clutter_stage_view_get_offscreen_transformation_matrix (ClutterStageView *view,
view_class->get_offscreen_transformation_matrix (view, matrix);
}
-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)
diff --git a/clutter/clutter/clutter-stage-view.h b/clutter/clutter/clutter-stage-view.h
index 26bf10e798..eb0184e9ab 100644
--- a/clutter/clutter/clutter-stage-view.h
+++ b/clutter/clutter/clutter-stage-view.h
@@ -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);
diff --git a/clutter/clutter/cogl/clutter-stage-cogl.c b/clutter/clutter/cogl/clutter-stage-cogl.c
index 005c6f6922..821f78ee7c 100644
--- a/clutter/clutter/cogl/clutter-stage-cogl.c
+++ b/clutter/clutter/cogl/clutter-stage-cogl.c
@@ -509,36 +509,17 @@ static void
transform_swap_region_to_onscreen (ClutterStageView *view,
cairo_rectangle_int_t *swap_region)
{
- CoglFramebuffer *framebuffer;
- cairo_rectangle_int_t layout;
- gfloat x1, y1, x2, y2;
- gint width, height;
-
- framebuffer = clutter_stage_view_get_onscreen (view);
- clutter_stage_view_get_layout (view, &layout);
-
- x1 = (float) swap_region->x / layout.width;
- y1 = (float) swap_region->y / layout.height;
- x2 = (float) (swap_region->x + swap_region->width) / layout.width;
- y2 = (float) (swap_region->y + swap_region->height) / layout.height;
-
- clutter_stage_view_transform_to_onscreen (view, &x1, &y1);
- clutter_stage_view_transform_to_onscreen (view, &x2, &y2);
-
- width = cogl_framebuffer_get_width (framebuffer);
- height = cogl_framebuffer_get_height (framebuffer);
-
- x1 = floor (x1 * width);
- y1 = floor (height - (y1 * height));
- x2 = ceil (x2 * width);
- y2 = ceil (height - (y2 * height));
-
- *swap_region = (cairo_rectangle_int_t) {
- .x = x1,
- .y = y1,
- .width = x2 - x1,
- .height = y2 - y1
- };
+ CoglFramebuffer *onscreen = clutter_stage_view_get_onscreen (view);
+ int width, height;
+
+ width = cogl_framebuffer_get_width (onscreen);
+ height = cogl_framebuffer_get_height (onscreen);
+
+ clutter_stage_view_transform_rect_to_onscreen (view,
+ swap_region,
+ width,
+ height,
+ swap_region);
}
static void
@@ -593,6 +574,7 @@ 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 have_clip;
gboolean may_use_clipped_redraw;
@@ -618,10 +600,10 @@ 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 ();
/* NB: a zero width redraw clip == full stage redraw */
if (stage_cogl->bounding_redraw_clip.width == 0)
@@ -645,7 +627,7 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
have_clip &&
/* 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)
{
ClutterRect rect;
@@ -686,7 +668,7 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
cairo_rectangle_int_t *current_fb_damage =
&view_priv->damage_history[DAMAGE_HISTORY (view_priv->damage_index++)];
- age = cogl_onscreen_get_buffer_age (COGL_ONSCREEN (fb));
+ age = cogl_onscreen_get_buffer_age (COGL_ONSCREEN (onscreen));
if (valid_buffer_age (view_cogl, age))
{
@@ -961,9 +943,9 @@ clutter_stage_cogl_get_dirty_pixel (ClutterStageWindow *stage_window,
int *x,
int *y)
{
- CoglFramebuffer *framebuffer = clutter_stage_view_get_framebuffer (view);
+ CoglFramebuffer *onscreen = clutter_stage_view_get_onscreen (view);
gboolean has_buffer_age =
- cogl_is_onscreen (framebuffer) &&
+ cogl_is_onscreen (onscreen) &&
is_buffer_age_enabled ();
float fb_scale;
gboolean scale_is_fractional;
diff --git a/src/backends/meta-renderer-view.c b/src/backends/meta-renderer-view.c
index cab1f5f483..4e45f2ef02 100644
--- a/src/backends/meta-renderer-view.c
+++ b/src/backends/meta-renderer-view.c
@@ -34,6 +34,7 @@
#include "backends/meta-renderer.h"
#include "clutter/clutter-mutter.h"
+#include "compositor/region-utils.h"
enum
{
@@ -125,6 +126,25 @@ 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)
@@ -195,6 +215,8 @@ 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;
--
2.28.0
From 6fc1da9dd3ac2753771bb68adb780d1d55494cba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 5 May 2020 19:22:10 +0200
Subject: [PATCH 13/20] clutter/stage-view: Only paint redraw clip from
offscreen
The rest didn't change, so only actually paint the part of the offscreen
that was composited as part of the stage painting. In practice, this
means that, unless a shadow buffer is used, we now only paint the
damaged part of the stage, and copy the damage part of the offscreen to
the onscreen.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit acf6b79e3a5b9d8d285886c471961e8c0bec48ce)
---
clutter/clutter/clutter-stage-view.c | 85 ++++++++++++++++++++++++----
1 file changed, 73 insertions(+), 12 deletions(-)
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 080bfd6669..b686272db0 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -19,6 +19,7 @@
#include "clutter/clutter-stage-view.h"
#include "clutter/clutter-stage-view-private.h"
+#include "clutter/clutter-private.h"
#include <cairo-gobject.h>
#include <math.h>
@@ -174,23 +175,81 @@ clutter_stage_view_transform_rect_to_onscreen (ClutterStageView *view
}
static void
-paint_transformed_framebuffer (ClutterStageView *view,
- CoglPipeline *pipeline,
- CoglFramebuffer *src_framebuffer,
- CoglFramebuffer *dst_framebuffer)
+paint_transformed_framebuffer (ClutterStageView *view,
+ CoglPipeline *pipeline,
+ CoglFramebuffer *src_framebuffer,
+ CoglFramebuffer *dst_framebuffer,
+ const cairo_rectangle_int_t *redraw_clip)
{
CoglMatrix matrix;
+ int dst_width, dst_height;
+ cairo_rectangle_int_t view_layout;
+ cairo_rectangle_int_t onscreen_layout;
+ float view_scale;
+ float *coordinates;
+ cairo_rectangle_int_t src_rect;
+ cairo_rectangle_int_t dst_rect;
+
+ dst_width = cogl_framebuffer_get_width (dst_framebuffer);
+ dst_height = cogl_framebuffer_get_height (dst_framebuffer);
+ clutter_stage_view_get_layout (view, &view_layout);
+ clutter_stage_view_transform_rect_to_onscreen (view,
+ &(cairo_rectangle_int_t) {
+ .width = view_layout.width,
+ .height = view_layout.height,
+ },
+ view_layout.width,
+ view_layout.height,
+ &onscreen_layout);
+ view_scale = clutter_stage_view_get_scale (view);
cogl_framebuffer_push_matrix (dst_framebuffer);
cogl_matrix_init_identity (&matrix);
- cogl_matrix_translate (&matrix, -1, 1, 0);
- cogl_matrix_scale (&matrix, 2, -2, 0);
+ cogl_matrix_scale (&matrix,
+ 1.0 / (dst_width / 2.0),
+ -1.0 / (dst_height / 2.0), 0);
+ cogl_matrix_translate (&matrix,
+ -(dst_width / 2.0),
+ -(dst_height / 2.0), 0);
cogl_framebuffer_set_projection_matrix (dst_framebuffer, &matrix);
-
- cogl_framebuffer_draw_rectangle (dst_framebuffer,
- pipeline,
- 0, 0, 1, 1);
+ cogl_framebuffer_set_viewport (dst_framebuffer,
+ 0, 0, dst_width, dst_height);
+
+ coordinates = g_newa (float, 2 * 4);
+
+ src_rect = *redraw_clip;
+ _clutter_util_rectangle_offset (&src_rect,
+ -view_layout.x,
+ -view_layout.y,
+ &src_rect);
+
+ clutter_stage_view_transform_rect_to_onscreen (view,
+ &src_rect,
+ onscreen_layout.width,
+ onscreen_layout.height,
+ &dst_rect);
+
+ coordinates[0] = (float) dst_rect.x * view_scale;
+ coordinates[1] = (float) dst_rect.y * view_scale;
+ coordinates[2] = ((float) (dst_rect.x + dst_rect.width) *
+ view_scale);
+ coordinates[3] = ((float) (dst_rect.y + dst_rect.height) *
+ view_scale);
+
+ coordinates[4] = (((float) dst_rect.x / (float) dst_width) *
+ view_scale);
+ coordinates[5] = (((float) dst_rect.y / (float) dst_height) *
+ view_scale);
+ coordinates[6] = ((float) (dst_rect.x + dst_rect.width) /
+ (float) dst_width) * view_scale;
+ coordinates[7] = ((float) (dst_rect.y + dst_rect.height) /
+ (float) dst_height) * view_scale;
+
+ cogl_framebuffer_draw_textured_rectangles (dst_framebuffer,
+ pipeline,
+ coordinates,
+ 1);
cogl_framebuffer_pop_matrix (dst_framebuffer);
}
@@ -285,14 +344,16 @@ clutter_stage_view_blit_offscreen (ClutterStageView *view,
paint_transformed_framebuffer (view,
priv->offscreen_pipeline,
priv->offscreen,
- priv->shadow.framebuffer);
+ priv->shadow.framebuffer,
+ rect);
}
else
{
paint_transformed_framebuffer (view,
priv->offscreen_pipeline,
priv->offscreen,
- priv->framebuffer);
+ priv->framebuffer,
+ rect);
}
}
--
2.28.0
From ff3164440e6bbb3e845a1d4a23843a5792afc16f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 13 May 2020 17:18:50 +0200
Subject: [PATCH 14/20] clutter/stage-cogl: Only construct damage array if
it'll be used
It's only used when we actually swap buffers, which we only do if the
target framebuffer is an onscreen.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 95a80c442b6300ce5b41b4b3975a372f1eabd166)
---
clutter/clutter/cogl/clutter-stage-cogl.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/clutter/clutter/cogl/clutter-stage-cogl.c b/clutter/clutter/cogl/clutter-stage-cogl.c
index 821f78ee7c..fc6d0d031d 100644
--- a/clutter/clutter/cogl/clutter-stage-cogl.c
+++ b/clutter/clutter/cogl/clutter-stage-cogl.c
@@ -413,17 +413,6 @@ swap_framebuffer (ClutterStageWindow *stage_window,
gboolean swap_with_damage)
{
CoglFramebuffer *framebuffer = clutter_stage_view_get_onscreen (view);
- int damage[4], ndamage;
-
- damage[0] = swap_region->x;
- damage[1] = swap_region->y;
- damage[2] = swap_region->width;
- damage[3] = swap_region->height;
-
- if (swap_region->width != 0)
- ndamage = 1;
- else
- ndamage = 0;
if (G_UNLIKELY ((clutter_paint_debug_flags & CLUTTER_DEBUG_PAINT_DAMAGE_REGION)))
paint_damage_region (stage_window, view, swap_region);
@@ -431,6 +420,17 @@ swap_framebuffer (ClutterStageWindow *stage_window,
if (cogl_is_onscreen (framebuffer))
{
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
+ int damage[4], ndamage;
+
+ damage[0] = swap_region->x;
+ damage[1] = swap_region->y;
+ damage[2] = swap_region->width;
+ damage[3] = swap_region->height;
+
+ if (swap_region->width != 0)
+ ndamage = 1;
+ else
+ ndamage = 0;
/* push on the screen */
if (ndamage == 1 && !swap_with_damage)
--
2.28.0
From f946746f5938e7d6c48b688827fb991f22dc1364 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 5 May 2020 19:25:23 +0200
Subject: [PATCH 15/20] clutter/stage-view: Only blit the damage part of the
shadow buffer
This fixes the last "copy everything" paths when clutter doesn't
directly paint onto the onscreen framebuffer. It adds a new hook into
the stage view called before the swap buffer, as at this point, we have
the swap buffer damag regions ready, which corresponds to the regions we
must blit according to the damage reported to clutter.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 851e7727ec6f3719139ab562ac2524cdc1bd64ae)
---
clutter/clutter/clutter-stage-view-private.h | 3 +++
clutter/clutter/clutter-stage-view.c | 25 ++++++++++++++++++--
clutter/clutter/cogl/clutter-stage-cogl.c | 2 ++
3 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/clutter/clutter/clutter-stage-view-private.h b/clutter/clutter/clutter-stage-view-private.h
index 10f9847b70..bddc38ded6 100644
--- a/clutter/clutter/clutter-stage-view-private.h
+++ b/clutter/clutter/clutter-stage-view-private.h
@@ -23,6 +23,9 @@
void clutter_stage_view_blit_offscreen (ClutterStageView *view,
const cairo_rectangle_int_t *clip);
+void clutter_stage_view_before_swap_buffer (ClutterStageView *view,
+ const cairo_rectangle_int_t *swap_region);
+
gboolean clutter_stage_view_is_dirty_viewport (ClutterStageView *view);
void clutter_stage_view_invalidate_viewport (ClutterStageView *view);
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index b686272db0..21ab02c97b 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -356,11 +356,22 @@ clutter_stage_view_blit_offscreen (ClutterStageView *view,
rect);
}
}
+}
+
+void
+clutter_stage_view_before_swap_buffer (ClutterStageView *view,
+ const cairo_rectangle_int_t *swap_region)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+ g_autoptr (GError) error = NULL;
- if (priv->shadow.framebuffer)
+ if (!priv->shadow.framebuffer)
+ return;
+
+ if (swap_region->width == 0 || swap_region->height == 0)
{
int width, height;
- g_autoptr (GError) error = NULL;
width = cogl_framebuffer_get_width (priv->framebuffer);
height = cogl_framebuffer_get_height (priv->framebuffer);
@@ -370,6 +381,16 @@ clutter_stage_view_blit_offscreen (ClutterStageView *view,
0, 0,
width, height,
&error))
+ g_warning ("Failed to blit shadow buffer: %s", error->message);
+ }
+ else
+ {
+ if (!cogl_blit_framebuffer (priv->shadow.framebuffer,
+ priv->framebuffer,
+ swap_region->x, swap_region->y,
+ swap_region->x, swap_region->y,
+ swap_region->width, swap_region->height,
+ &error))
{
g_warning ("Failed to blit shadow buffer: %s", error->message);
return;
diff --git a/clutter/clutter/cogl/clutter-stage-cogl.c b/clutter/clutter/cogl/clutter-stage-cogl.c
index fc6d0d031d..884819ebd3 100644
--- a/clutter/clutter/cogl/clutter-stage-cogl.c
+++ b/clutter/clutter/cogl/clutter-stage-cogl.c
@@ -417,6 +417,8 @@ swap_framebuffer (ClutterStageWindow *stage_window,
if (G_UNLIKELY ((clutter_paint_debug_flags & CLUTTER_DEBUG_PAINT_DAMAGE_REGION)))
paint_damage_region (stage_window, view, swap_region);
+ clutter_stage_view_before_swap_buffer (view, swap_region);
+
if (cogl_is_onscreen (framebuffer))
{
CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
--
2.28.0
From 757dd09dc9b76a7654f087679db1c7f005b7653c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 6 May 2020 09:11:34 +0200
Subject: [PATCH 16/20] clutter/stage-cogl: Extract damage history logic
Move the damage history tracking to a new ClutterDamageHistory helper
type. The aim is to be able to track damage history elsewhere without
reimplementing the data structure and tracking logic.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 09271bcfef8889022f15a3b2949843e55f3df9da)
---
clutter/clutter/clutter-damage-history.c | 89 +++++++++++++++++
clutter/clutter/clutter-damage-history.h | 42 ++++++++
clutter/clutter/cogl/clutter-stage-cogl.c | 116 ++++++++++++----------
clutter/clutter/meson.build | 2 +
4 files changed, 195 insertions(+), 54 deletions(-)
create mode 100644 clutter/clutter/clutter-damage-history.c
create mode 100644 clutter/clutter/clutter-damage-history.h
diff --git a/clutter/clutter/clutter-damage-history.c b/clutter/clutter/clutter-damage-history.c
new file mode 100644
index 0000000000..78ab0f7b5e
--- /dev/null
+++ b/clutter/clutter/clutter-damage-history.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2007,2008,2009,2010,2011 Intel Corporation.
+ * Copyright (C) 2020 Red Hat Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "clutter-build-config.h"
+
+#include "clutter-damage-history.h"
+
+#define DAMAGE_HISTORY_LENGTH 0x10
+
+struct _ClutterDamageHistory
+{
+ cairo_rectangle_int_t damages[DAMAGE_HISTORY_LENGTH];
+ int index;
+};
+
+ClutterDamageHistory *
+clutter_damage_history_new (void)
+{
+ ClutterDamageHistory *history;
+
+ history = g_new0 (ClutterDamageHistory, 1);
+
+ return history;
+}
+
+void
+clutter_damage_history_free (ClutterDamageHistory *history)
+{
+ g_free (history);
+}
+
+gboolean
+clutter_damage_history_is_age_valid (ClutterDamageHistory *history,
+ int age)
+{
+ const cairo_rectangle_int_t *damage;
+
+ if (age >= DAMAGE_HISTORY_LENGTH ||
+ age < 1)
+ return FALSE;
+
+ damage = clutter_damage_history_lookup (history, age);
+ if (damage->width == 0 || damage->height == 0)
+ return FALSE;
+
+ return TRUE;
+}
+
+void
+clutter_damage_history_record (ClutterDamageHistory *history,
+ const cairo_rectangle_int_t *damage)
+{
+ history->damages[history->index] = *damage;
+}
+
+static inline int
+step_damage_index (int current,
+ int diff)
+{
+ return (current + diff) & (DAMAGE_HISTORY_LENGTH - 1);
+}
+
+void
+clutter_damage_history_step (ClutterDamageHistory *history)
+{
+ history->index = step_damage_index (history->index, 1);
+}
+
+const cairo_rectangle_int_t *
+clutter_damage_history_lookup (ClutterDamageHistory *history,
+ int age)
+{
+ return &history->damages[step_damage_index (history->index, -age)];
+}
diff --git a/clutter/clutter/clutter-damage-history.h b/clutter/clutter/clutter-damage-history.h
new file mode 100644
index 0000000000..6c483acab7
--- /dev/null
+++ b/clutter/clutter/clutter-damage-history.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2007,2008,2009,2010,2011 Intel Corporation.
+ * Copyright (C) 2020 Red Hat Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CLUTTER_DAMAGE_HISTORY_H
+#define CLUTTER_DAMAGE_HISTORY_H
+
+#include <cairo.h>
+#include <glib.h>
+
+typedef struct _ClutterDamageHistory ClutterDamageHistory;
+
+ClutterDamageHistory * clutter_damage_history_new (void);
+
+void clutter_damage_history_free (ClutterDamageHistory *history);
+
+gboolean clutter_damage_history_is_age_valid (ClutterDamageHistory *history,
+ int age);
+
+void clutter_damage_history_record (ClutterDamageHistory *history,
+ const cairo_rectangle_int_t *damage);
+
+void clutter_damage_history_step (ClutterDamageHistory *history);
+
+const cairo_rectangle_int_t * clutter_damage_history_lookup (ClutterDamageHistory *history,
+ int age);
+
+#endif /* CLUTTER_DAMAGE_HISTORY_H */
diff --git a/clutter/clutter/cogl/clutter-stage-cogl.c b/clutter/clutter/cogl/clutter-stage-cogl.c
index 884819ebd3..11273ec894 100644
--- a/clutter/clutter/cogl/clutter-stage-cogl.c
+++ b/clutter/clutter/cogl/clutter-stage-cogl.c
@@ -38,6 +38,7 @@
#include "clutter-actor-private.h"
#include "clutter-backend-private.h"
+#include "clutter-damage-history.h"
#include "clutter-debug.h"
#include "clutter-event.h"
#include "clutter-enum-types.h"
@@ -49,13 +50,9 @@
typedef struct _ClutterStageViewCoglPrivate
{
- /*
- * List of previous damaged areas in stage view framebuffer coordinate space.
+ /* Damage history, in stage view render target framebuffer coordinate space.
*/
-#define DAMAGE_HISTORY_MAX 16
-#define DAMAGE_HISTORY(x) ((x) & (DAMAGE_HISTORY_MAX - 1))
- cairo_rectangle_int_t damage_history[DAMAGE_HISTORY_MAX];
- unsigned int damage_index;
+ ClutterDamageHistory *damage_history;
} ClutterStageViewCoglPrivate;
G_DEFINE_TYPE_WITH_PRIVATE (ClutterStageViewCogl, clutter_stage_view_cogl,
@@ -348,10 +345,7 @@ valid_buffer_age (ClutterStageViewCogl *view_cogl,
ClutterStageViewCoglPrivate *view_priv =
clutter_stage_view_cogl_get_instance_private (view_cogl);
- if (age <= 0)
- return FALSE;
-
- return age < MIN (view_priv->damage_index, DAMAGE_HISTORY_MAX);
+ return clutter_damage_history_is_age_valid (view_priv->damage_history, age);
}
static void
@@ -483,30 +477,6 @@ paint_stage (ClutterStageCogl *stage_cogl,
clutter_stage_view_blit_offscreen (view, clip);
}
-static void
-fill_current_damage_history_and_step (ClutterStageView *view)
-{
- ClutterStageViewCogl *view_cogl = CLUTTER_STAGE_VIEW_COGL (view);
- ClutterStageViewCoglPrivate *view_priv =
- clutter_stage_view_cogl_get_instance_private (view_cogl);
- cairo_rectangle_int_t view_rect;
- float fb_scale;
- cairo_rectangle_int_t *current_fb_damage;
-
- current_fb_damage =
- &view_priv->damage_history[DAMAGE_HISTORY (view_priv->damage_index)];
- clutter_stage_view_get_layout (view, &view_rect);
- fb_scale = clutter_stage_view_get_scale (view);
-
- *current_fb_damage = (cairo_rectangle_int_t) {
- .x = 0,
- .y = 0,
- .width = view_rect.width * fb_scale,
- .height = view_rect.height * fb_scale
- };
- view_priv->damage_index++;
-}
-
static void
transform_swap_region_to_onscreen (ClutterStageView *view,
cairo_rectangle_int_t *swap_region)
@@ -567,6 +537,24 @@ scale_and_clamp_rect (const ClutterRect *rect,
_clutter_util_rectangle_int_extents (&tmp, dest);
}
+static void
+record_full_damage (ClutterStageView *view)
+{
+ ClutterStageViewCogl *view_cogl = CLUTTER_STAGE_VIEW_COGL (view);
+ ClutterStageViewCoglPrivate *view_priv =
+ clutter_stage_view_cogl_get_instance_private (view_cogl);
+ CoglFramebuffer *fb = clutter_stage_view_get_framebuffer (view);
+ int fb_width, fb_height;
+
+ fb_width = cogl_framebuffer_get_width (fb);
+ fb_height = cogl_framebuffer_get_height (fb);
+ clutter_damage_history_record (view_priv->damage_history,
+ &(cairo_rectangle_int_t) {
+ .width = fb_width,
+ .height = fb_height
+ });
+}
+
static gboolean
clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
ClutterStageView *view)
@@ -666,9 +654,7 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
{
if (use_clipped_redraw && !clip_region_empty)
{
- int age, i;
- cairo_rectangle_int_t *current_fb_damage =
- &view_priv->damage_history[DAMAGE_HISTORY (view_priv->damage_index++)];
+ int age;
age = cogl_onscreen_get_buffer_age (COGL_ONSCREEN (onscreen));
@@ -676,16 +662,20 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
{
ClutterRect rect;
cairo_rectangle_int_t damage_region;
+ int i;
- *current_fb_damage = fb_clip_region;
+ clutter_damage_history_record (view_priv->damage_history,
+ &fb_clip_region);
for (i = 1; i <= age; i++)
{
- cairo_rectangle_int_t *fb_damage =
- &view_priv->damage_history[DAMAGE_HISTORY (view_priv->damage_index - i - 1)];
+ const cairo_rectangle_int_t *old_damage;
+
+ old_damage =
+ clutter_damage_history_lookup (view_priv->damage_history, i);
_clutter_util_rectangle_union (&fb_clip_region,
- fb_damage,
+ old_damage,
&fb_clip_region);
}
@@ -713,18 +703,15 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
{
CLUTTER_NOTE (CLIPPING, "Invalid back buffer(age=%d): forcing full redraw\n", age);
use_clipped_redraw = FALSE;
- *current_fb_damage = (cairo_rectangle_int_t) {
- .x = 0,
- .y = 0,
- .width = view_rect.width * fb_scale,
- .height = view_rect.height * fb_scale
- };
+ record_full_damage (view);
}
}
else if (!use_clipped_redraw)
{
- fill_current_damage_history_and_step (view);
+ record_full_damage (view);
}
+
+ clutter_damage_history_step (view_priv->damage_history);
}
cogl_push_framebuffer (fb);
@@ -946,6 +933,9 @@ clutter_stage_cogl_get_dirty_pixel (ClutterStageWindow *stage_window,
int *y)
{
CoglFramebuffer *onscreen = clutter_stage_view_get_onscreen (view);
+ ClutterStageViewCogl *view_cogl = CLUTTER_STAGE_VIEW_COGL (view);
+ ClutterStageViewCoglPrivate *view_priv =
+ clutter_stage_view_cogl_get_instance_private (view_cogl);
gboolean has_buffer_age =
cogl_is_onscreen (onscreen) &&
is_buffer_age_enabled ();
@@ -967,22 +957,21 @@ clutter_stage_cogl_get_dirty_pixel (ClutterStageWindow *stage_window,
* For now, always use the (0, 0) pixel for picking when using fractional
* framebuffer scaling.
*/
- if (!has_buffer_age || scale_is_fractional)
+ if (!has_buffer_age ||
+ scale_is_fractional ||
+ !clutter_damage_history_is_age_valid (view_priv->damage_history, 0))
{
*x = 0;
*y = 0;
}
else
{
- ClutterStageViewCogl *view_cogl = CLUTTER_STAGE_VIEW_COGL (view);
- ClutterStageViewCoglPrivate *view_priv =
- clutter_stage_view_cogl_get_instance_private (view_cogl);
cairo_rectangle_int_t view_layout;
- cairo_rectangle_int_t *fb_damage;
+ const cairo_rectangle_int_t *fb_damage;
clutter_stage_view_get_layout (view, &view_layout);
- fb_damage = &view_priv->damage_history[DAMAGE_HISTORY (view_priv->damage_index - 1)];
+ fb_damage = clutter_damage_history_lookup (view_priv->damage_history, 0);
*x = fb_damage->x / fb_scale;
*y = fb_damage->y / fb_scale;
}
@@ -1052,12 +1041,31 @@ _clutter_stage_cogl_init (ClutterStageCogl *stage)
stage->update_time = -1;
}
+static void
+clutter_stage_view_cogl_finalize (GObject *object)
+{
+ ClutterStageViewCogl *view_cogl = CLUTTER_STAGE_VIEW_COGL (object);
+ ClutterStageViewCoglPrivate *view_priv =
+ clutter_stage_view_cogl_get_instance_private (view_cogl);
+
+ clutter_damage_history_free (view_priv->damage_history);
+
+ G_OBJECT_CLASS (clutter_stage_view_cogl_parent_class)->finalize (object);
+}
+
static void
clutter_stage_view_cogl_init (ClutterStageViewCogl *view_cogl)
{
+ ClutterStageViewCoglPrivate *view_priv =
+ clutter_stage_view_cogl_get_instance_private (view_cogl);
+
+ view_priv->damage_history = clutter_damage_history_new ();
}
static void
clutter_stage_view_cogl_class_init (ClutterStageViewCoglClass *klass)
{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = clutter_stage_view_cogl_finalize;
}
diff --git a/clutter/clutter/meson.build b/clutter/clutter/meson.build
index 8e0484453d..c9eab96d29 100644
--- a/clutter/clutter/meson.build
+++ b/clutter/clutter/meson.build
@@ -116,6 +116,7 @@ clutter_sources = [
'clutter-constraint.c',
'clutter-container.c',
'clutter-content.c',
+ 'clutter-damage-history.c',
'clutter-deform-effect.c',
'clutter-desaturate-effect.c',
'clutter-device-manager.c',
@@ -186,6 +187,7 @@ clutter_private_headers = [
'clutter-bezier.h',
'clutter-constraint-private.h',
'clutter-content-private.h',
+ 'clutter-damage-history.h',
'clutter-debug.h',
'clutter-device-manager-private.h',
'clutter-easing.h',
--
2.28.0
From 5da1c8083784a351a7763a0c9a9ce4c8359522a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 6 May 2020 21:40:40 +0200
Subject: [PATCH 17/20] cogl/dma-buf: Add API to synchronize reading
Used before and after accessing DMA buffer content using mmap().
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 2d972fc761b9e39f78e66dd84eab57309cdc8658)
---
cogl/cogl/cogl-dma-buf-handle.c | 51 +++++++++++++++++++++++++++++++++
cogl/cogl/cogl-dma-buf-handle.h | 8 ++++++
cogl/meson.build | 1 +
3 files changed, 60 insertions(+)
diff --git a/cogl/cogl/cogl-dma-buf-handle.c b/cogl/cogl/cogl-dma-buf-handle.c
index d8b4e57c55..7e86e2267b 100644
--- a/cogl/cogl/cogl-dma-buf-handle.c
+++ b/cogl/cogl/cogl-dma-buf-handle.c
@@ -34,6 +34,10 @@
#include "cogl-dma-buf-handle.h"
#include "cogl-object.h"
+#include <errno.h>
+#include <gio/gio.h>
+#include <linux/dma-buf.h>
+#include <sys/ioctl.h>
#include <unistd.h>
struct _CoglDmaBufHandle
@@ -96,6 +100,53 @@ cogl_dma_buf_handle_free (CoglDmaBufHandle *dmabuf_handle)
g_free (dmabuf_handle);
}
+static gboolean
+sync_read (CoglDmaBufHandle *dmabuf_handle,
+ uint64_t start_or_end,
+ GError **error)
+{
+ struct dma_buf_sync sync = { 0 };
+
+ sync.flags = start_or_end | DMA_BUF_SYNC_READ;
+
+ while (TRUE)
+ {
+ int ret;
+
+ ret = ioctl (dmabuf_handle->dmabuf_fd, DMA_BUF_IOCTL_SYNC, &sync);
+ if (ret == -1 && errno == EINTR)
+ {
+ continue;
+ }
+ else if (ret == -1)
+ {
+ g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
+ "ioctl: %s", g_strerror (errno));
+ return FALSE;
+ }
+ else
+ {
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+gboolean
+cogl_dma_buf_handle_sync_read_start (CoglDmaBufHandle *dmabuf_handle,
+ GError **error)
+{
+ return sync_read (dmabuf_handle, DMA_BUF_SYNC_START, error);
+}
+
+gboolean
+cogl_dma_buf_handle_sync_read_end (CoglDmaBufHandle *dmabuf_handle,
+ GError **error)
+{
+ return sync_read (dmabuf_handle, DMA_BUF_SYNC_END, error);
+}
+
CoglFramebuffer *
cogl_dma_buf_handle_get_framebuffer (CoglDmaBufHandle *dmabuf_handle)
{
diff --git a/cogl/cogl/cogl-dma-buf-handle.h b/cogl/cogl/cogl-dma-buf-handle.h
index f64a20678d..63c5bab7b7 100644
--- a/cogl/cogl/cogl-dma-buf-handle.h
+++ b/cogl/cogl/cogl-dma-buf-handle.h
@@ -63,6 +63,14 @@ cogl_dma_buf_handle_new (CoglFramebuffer *framebuffer,
void
cogl_dma_buf_handle_free (CoglDmaBufHandle *dmabuf_handle);
+gboolean
+cogl_dma_buf_handle_sync_read_start (CoglDmaBufHandle *dmabuf_handle,
+ GError **error);
+
+gboolean
+cogl_dma_buf_handle_sync_read_end (CoglDmaBufHandle *dmabuf_handle,
+ GError **error);
+
/**
* cogl_dma_buf_handle_get_framebuffer: (skip)
*
diff --git a/cogl/meson.build b/cogl/meson.build
index 356d596f56..47e6a3e0da 100644
--- a/cogl/meson.build
+++ b/cogl/meson.build
@@ -23,6 +23,7 @@ cogl_mutter_config_h = configure_file(
cogl_pkg_deps = [
glib_dep,
+ gio_dep,
gobject_dep,
]
--
2.28.0
From 360a397c19046c6a914ee27e3e5104da3ad0c1c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 6 May 2020 22:12:46 +0200
Subject: [PATCH 18/20] cogl/dma-buf: Add mmap/munmap helpers
Avoids dealing directly with mmap() and munmap().
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit e05a1a6c0b2526146c85ec9c381bb2b49d19b4b2)
---
cogl/cogl/cogl-dma-buf-handle.c | 41 +++++++++++++++++++++++++++++++++
cogl/cogl/cogl-dma-buf-handle.h | 9 ++++++++
2 files changed, 50 insertions(+)
diff --git a/cogl/cogl/cogl-dma-buf-handle.c b/cogl/cogl/cogl-dma-buf-handle.c
index 7e86e2267b..9724ac9c95 100644
--- a/cogl/cogl/cogl-dma-buf-handle.c
+++ b/cogl/cogl/cogl-dma-buf-handle.c
@@ -38,6 +38,7 @@
#include <gio/gio.h>
#include <linux/dma-buf.h>
#include <sys/ioctl.h>
+#include <sys/mman.h>
#include <unistd.h>
struct _CoglDmaBufHandle
@@ -147,6 +148,46 @@ cogl_dma_buf_handle_sync_read_end (CoglDmaBufHandle *dmabuf_handle,
return sync_read (dmabuf_handle, DMA_BUF_SYNC_END, error);
}
+gpointer
+cogl_dma_buf_handle_mmap (CoglDmaBufHandle *dmabuf_handle,
+ GError **error)
+{
+ size_t size;
+ gpointer data;
+
+ size = dmabuf_handle->height * dmabuf_handle->stride;
+
+ data = mmap (NULL, size, PROT_READ, MAP_PRIVATE,
+ dmabuf_handle->dmabuf_fd,
+ dmabuf_handle->offset);
+ if (data == MAP_FAILED)
+ {
+ g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
+ "mmap failed: %s", g_strerror (errno));
+ return NULL;
+ }
+
+ return data;
+}
+
+gboolean
+cogl_dma_buf_handle_munmap (CoglDmaBufHandle *dmabuf_handle,
+ gpointer data,
+ GError **error)
+{
+ size_t size;
+
+ size = dmabuf_handle->height * dmabuf_handle->stride;
+ if (munmap (data, size) != 0)
+ {
+ g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
+ "munmap failed: %s", g_strerror (errno));
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
CoglFramebuffer *
cogl_dma_buf_handle_get_framebuffer (CoglDmaBufHandle *dmabuf_handle)
{
diff --git a/cogl/cogl/cogl-dma-buf-handle.h b/cogl/cogl/cogl-dma-buf-handle.h
index 63c5bab7b7..08f307c1db 100644
--- a/cogl/cogl/cogl-dma-buf-handle.h
+++ b/cogl/cogl/cogl-dma-buf-handle.h
@@ -71,6 +71,15 @@ gboolean
cogl_dma_buf_handle_sync_read_end (CoglDmaBufHandle *dmabuf_handle,
GError **error);
+gpointer
+cogl_dma_buf_handle_mmap (CoglDmaBufHandle *dmabuf_handle,
+ GError **error);
+
+gboolean
+cogl_dma_buf_handle_munmap (CoglDmaBufHandle *dmabuf_handle,
+ gpointer data,
+ GError **error);
+
/**
* cogl_dma_buf_handle_get_framebuffer: (skip)
*
--
2.28.0
From ff8a80137047a91ed27d90467b004d691428bac4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 6 May 2020 22:14:17 +0200
Subject: [PATCH 19/20] clutter/stage-view: Add tile based shadow damage
detection
Compare, tile by tile, whether actual damage actually changed any
pixels. While this requires mmap():ing DMA buffers and comparing their
content, we should only ever use shadow buffers when we're using the
software renderer, meaning mmap() is cheap as it doesn't involve any
downloading.
This works by making the shadow framebuffer double buffered, while
keeping track of damage history. When we're about to swap the onscreen
buffer, we compare what part of the posted damage actually changed,
records that into a damage history, then given the onscreen buffer age,
collect all actual damage for that age. The intersection of these tiles,
and the actual damage, is then used when blitting the shadow buffer to
the onscreen framebuffer.
Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1157
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 068385df3a0cf545e5110378b59db56cbd1bdef3)
---
clutter/clutter/clutter-private.h | 3 +
clutter/clutter/clutter-stage-view.c | 472 +++++++++++++++++++++++++--
clutter/clutter/clutter-util.c | 22 ++
3 files changed, 465 insertions(+), 32 deletions(-)
diff --git a/clutter/clutter/clutter-private.h b/clutter/clutter/clutter-private.h
index a5cd1fa197..5a0fed85c9 100644
--- a/clutter/clutter/clutter-private.h
+++ b/clutter/clutter/clutter-private.h
@@ -265,6 +265,9 @@ gboolean _clutter_util_rectangle_intersection (const cairo_rectangle_int_t *src1
const cairo_rectangle_int_t *src2,
cairo_rectangle_int_t *dest);
+gboolean _clutter_util_rectangle_contains (const cairo_rectangle_int_t *src1,
+ const cairo_rectangle_int_t *src2);
+
struct _ClutterVertex4
{
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 21ab02c97b..5e5966d06e 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -17,6 +17,7 @@
#include "clutter-build-config.h"
+#include "clutter/clutter-damage-history.h"
#include "clutter/clutter-stage-view.h"
#include "clutter/clutter-stage-view-private.h"
#include "clutter/clutter-private.h"
@@ -53,6 +54,12 @@ typedef struct _ClutterStageViewPrivate
gboolean use_shadowfb;
struct {
+ struct {
+ CoglDmaBufHandle *handles[2];
+ int current_idx;
+ ClutterDamageHistory *damage_history;
+ } dma_buf;
+
CoglOffscreen *framebuffer;
} shadow;
@@ -254,6 +261,66 @@ paint_transformed_framebuffer (ClutterStageView *view,
cogl_framebuffer_pop_matrix (dst_framebuffer);
}
+static gboolean
+is_shadowfb_double_buffered (ClutterStageView *view)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+
+ return priv->shadow.dma_buf.handles[0] && priv->shadow.dma_buf.handles[1];
+}
+
+static gboolean
+init_dma_buf_shadowfbs (ClutterStageView *view,
+ CoglContext *cogl_context,
+ int width,
+ int height,
+ GError **error)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+ CoglRenderer *cogl_renderer = cogl_context_get_renderer (cogl_context);
+ CoglFramebuffer *initial_shadowfb;
+
+ if (!cogl_clutter_winsys_has_feature (COGL_WINSYS_FEATURE_BUFFER_AGE))
+ {
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ "Buffer age not supported");
+ return FALSE;
+ }
+
+ if (!cogl_is_onscreen (priv->framebuffer))
+ {
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ "Tried to use shadow buffer without onscreen");
+ return FALSE;
+ }
+
+ priv->shadow.dma_buf.handles[0] = cogl_renderer_create_dma_buf (cogl_renderer,
+ width, height,
+ error);
+ if (!priv->shadow.dma_buf.handles[0])
+ return FALSE;
+
+ priv->shadow.dma_buf.handles[1] = cogl_renderer_create_dma_buf (cogl_renderer,
+ width, height,
+ error);
+ if (!priv->shadow.dma_buf.handles[1])
+ {
+ g_clear_pointer (&priv->shadow.dma_buf.handles[0],
+ cogl_dma_buf_handle_free);
+ return FALSE;
+ }
+
+ priv->shadow.dma_buf.damage_history = clutter_damage_history_new ();
+
+ initial_shadowfb =
+ cogl_dma_buf_handle_get_framebuffer (priv->shadow.dma_buf.handles[0]);
+ priv->shadow.framebuffer = cogl_object_ref (initial_shadowfb);
+
+ return TRUE;
+}
+
static CoglOffscreen *
create_offscreen_framebuffer (CoglContext *context,
int width,
@@ -285,11 +352,11 @@ create_offscreen_framebuffer (CoglContext *context,
}
static gboolean
-init_offscreen_shadowfb (ClutterStageView *view,
- CoglContext *cogl_context,
- int width,
- int height,
- GError **error)
+init_fallback_shadowfb (ClutterStageView *view,
+ CoglContext *cogl_context,
+ int width,
+ int height,
+ GError **error)
{
ClutterStageViewPrivate *priv =
clutter_stage_view_get_instance_private (view);
@@ -317,7 +384,17 @@ init_shadowfb (ClutterStageView *view)
height = cogl_framebuffer_get_height (priv->framebuffer);
cogl_context = cogl_framebuffer_get_context (priv->framebuffer);
- if (!init_offscreen_shadowfb (view, cogl_context, width, height, &error))
+ if (init_dma_buf_shadowfbs (view, cogl_context, width, height, &error))
+ {
+ g_message ("Initialized double buffered shadow fb for %s", priv->name);
+ return;
+ }
+
+ g_warning ("Failed to initialize double buffered shadow fb for %s: %s",
+ priv->name, error->message);
+ g_clear_error (&error);
+
+ if (!init_fallback_shadowfb (view, cogl_context, width, height, &error))
{
g_warning ("Failed to initialize single buffered shadow fb for %s: %s",
priv->name, error->message);
@@ -358,44 +435,298 @@ clutter_stage_view_blit_offscreen (ClutterStageView *view,
}
}
-void
-clutter_stage_view_before_swap_buffer (ClutterStageView *view,
- const cairo_rectangle_int_t *swap_region)
+static gboolean
+is_tile_dirty (cairo_rectangle_int_t *tile,
+ uint8_t *current_data,
+ uint8_t *prev_data,
+ int bpp,
+ int stride)
+{
+ int y;
+
+ for (y = tile->y; y < tile->y + tile->height; y++)
+ {
+ if (memcmp (prev_data + y * stride + tile->x * bpp,
+ current_data + y * stride + tile->x * bpp,
+ tile->width * bpp) != 0)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static int
+flip_dma_buf_idx (int idx)
+{
+ return (idx + 1) % 2;
+}
+
+static cairo_region_t *
+find_damaged_tiles (ClutterStageView *view,
+ const cairo_region_t *damage_region,
+ GError **error)
{
ClutterStageViewPrivate *priv =
clutter_stage_view_get_instance_private (view);
- g_autoptr (GError) error = NULL;
+ cairo_region_t *tile_damage_region;
+ cairo_rectangle_int_t damage_extents;
+ cairo_rectangle_int_t fb_rect;
+ int prev_dma_buf_idx;
+ CoglDmaBufHandle *prev_dma_buf_handle;
+ uint8_t *prev_data;
+ int current_dma_buf_idx;
+ CoglDmaBufHandle *current_dma_buf_handle;
+ uint8_t *current_data;
+ int width, height, stride, bpp;
+ int tile_x_min, tile_x_max;
+ int tile_y_min, tile_y_max;
+ int tile_x, tile_y;
+ const int tile_size = 16;
+
+ prev_dma_buf_idx = flip_dma_buf_idx (priv->shadow.dma_buf.current_idx);
+ prev_dma_buf_handle = priv->shadow.dma_buf.handles[prev_dma_buf_idx];
+
+ current_dma_buf_idx = priv->shadow.dma_buf.current_idx;
+ current_dma_buf_handle = priv->shadow.dma_buf.handles[current_dma_buf_idx];
+
+ width = cogl_dma_buf_handle_get_width (current_dma_buf_handle);
+ height = cogl_dma_buf_handle_get_height (current_dma_buf_handle);
+ stride = cogl_dma_buf_handle_get_stride (current_dma_buf_handle);
+ bpp = cogl_dma_buf_handle_get_bpp (current_dma_buf_handle);
+
+ cogl_framebuffer_finish (priv->shadow.framebuffer);
+
+ if (!cogl_dma_buf_handle_sync_read_start (prev_dma_buf_handle, error))
+ return NULL;
+
+ if (!cogl_dma_buf_handle_sync_read_start (current_dma_buf_handle, error))
+ goto err_sync_read_current;
+
+ prev_data = cogl_dma_buf_handle_mmap (prev_dma_buf_handle, error);
+ if (!prev_data)
+ goto err_mmap_prev;
+ current_data = cogl_dma_buf_handle_mmap (current_dma_buf_handle, error);
+ if (!current_data)
+ goto err_mmap_current;
+
+ fb_rect = (cairo_rectangle_int_t) {
+ .width = width,
+ .height = height,
+ };
+
+ cairo_region_get_extents (damage_region, &damage_extents);
+
+ tile_x_min = damage_extents.x / tile_size;
+ tile_x_max = ((damage_extents.x + damage_extents.width + tile_size - 1) /
+ tile_size);
+ tile_y_min = damage_extents.y / tile_size;
+ tile_y_max = ((damage_extents.y + damage_extents.height + tile_size - 1) /
+ tile_size);
+
+ tile_damage_region = cairo_region_create ();
+
+ for (tile_y = tile_y_min; tile_y <= tile_y_max; tile_y++)
+ {
+ for (tile_x = tile_x_min; tile_x <= tile_x_max; tile_x++)
+ {
+ cairo_rectangle_int_t tile = {
+ .x = tile_x * tile_size,
+ .y = tile_y * tile_size,
+ .width = tile_size,
+ .height = tile_size,
+ };
- if (!priv->shadow.framebuffer)
- return;
+ if (cairo_region_contains_rectangle (damage_region, &tile) ==
+ CAIRO_REGION_OVERLAP_OUT)
+ continue;
- if (swap_region->width == 0 || swap_region->height == 0)
+ _clutter_util_rectangle_intersection (&tile, &fb_rect, &tile);
+
+ if (is_tile_dirty (&tile, current_data, prev_data, bpp, stride))
+ cairo_region_union_rectangle (tile_damage_region, &tile);
+ }
+ }
+
+ if (!cogl_dma_buf_handle_sync_read_end (prev_dma_buf_handle, error))
{
- int width, height;
+ g_warning ("Failed to end DMA buffer read synchronization: %s",
+ (*error)->message);
+ g_clear_error (error);
+ }
- width = cogl_framebuffer_get_width (priv->framebuffer);
- height = cogl_framebuffer_get_height (priv->framebuffer);
- if (!cogl_blit_framebuffer (priv->shadow.framebuffer,
- priv->framebuffer,
- 0, 0,
- 0, 0,
- width, height,
- &error))
- g_warning ("Failed to blit shadow buffer: %s", error->message);
+ if (!cogl_dma_buf_handle_sync_read_end (current_dma_buf_handle, error))
+ {
+ g_warning ("Failed to end DMA buffer read synchronization: %s",
+ (*error)->message);
+ g_clear_error (error);
+ }
+
+ cogl_dma_buf_handle_munmap (prev_dma_buf_handle, prev_data, NULL);
+ cogl_dma_buf_handle_munmap (current_dma_buf_handle, current_data, NULL);
+
+ cairo_region_intersect (tile_damage_region, damage_region);
+
+ return tile_damage_region;
+
+err_mmap_current:
+ cogl_dma_buf_handle_munmap (prev_dma_buf_handle, prev_data, NULL);
+
+err_mmap_prev:
+ cogl_dma_buf_handle_sync_read_end (current_dma_buf_handle, NULL);
+
+err_sync_read_current:
+ cogl_dma_buf_handle_sync_read_end (prev_dma_buf_handle, NULL);
+
+ return NULL;
+}
+
+static void
+swap_dma_buf_framebuffer (ClutterStageView *view)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+ int next_idx;
+ CoglDmaBufHandle *next_dma_buf_handle;
+ CoglOffscreen *next_framebuffer;
+
+ next_idx = ((priv->shadow.dma_buf.current_idx + 1) %
+ G_N_ELEMENTS (priv->shadow.dma_buf.handles));
+ priv->shadow.dma_buf.current_idx = next_idx;
+
+ next_dma_buf_handle = priv->shadow.dma_buf.handles[next_idx];
+ next_framebuffer =
+ cogl_dma_buf_handle_get_framebuffer (next_dma_buf_handle);
+ cogl_clear_object (&priv->shadow.framebuffer);
+ priv->shadow.framebuffer = cogl_object_ref (next_framebuffer);
+}
+
+static void
+copy_shadowfb_to_onscreen (ClutterStageView *view,
+ const cairo_rectangle_int_t *swap_region)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+ ClutterDamageHistory *damage_history = priv->shadow.dma_buf.damage_history;
+ cairo_region_t *damage_region;
+ int age;
+ int i;
+
+ if (swap_region->width == 0 || swap_region->height == 0)
+ {
+ cairo_rectangle_int_t full_damage = {
+ .width = cogl_framebuffer_get_width (priv->framebuffer),
+ .height = cogl_framebuffer_get_height (priv->framebuffer),
+ };
+ damage_region = cairo_region_create_rectangle (&full_damage);
}
else
{
+ damage_region = cairo_region_create_rectangle (swap_region);
+ }
+
+ if (is_shadowfb_double_buffered (view))
+ {
+ CoglOnscreen *onscreen = COGL_ONSCREEN (priv->framebuffer);
+ cairo_region_t *changed_region;
+
+ if (cogl_onscreen_get_frame_counter (onscreen) >= 1)
+ {
+ g_autoptr (GError) error = NULL;
+
+ changed_region = find_damaged_tiles (view, damage_region, &error);
+ if (!changed_region)
+ {
+ int other_dma_buf_idx;
+
+ g_warning ("Disabling actual damage detection: %s",
+ error->message);
+
+ other_dma_buf_idx =
+ flip_dma_buf_idx (priv->shadow.dma_buf.current_idx);
+ g_clear_pointer (&priv->shadow.dma_buf.handles[other_dma_buf_idx],
+ cogl_dma_buf_handle_free);
+ }
+ }
+ else
+ {
+ changed_region = cairo_region_copy (damage_region);
+ }
+
+ if (changed_region)
+ {
+ cairo_rectangle_int_t changed_extents;
+ int buffer_age;
+
+ cairo_region_get_extents (changed_region, &changed_extents);
+ clutter_damage_history_record (damage_history, &changed_extents);
+
+ buffer_age = cogl_onscreen_get_buffer_age (onscreen);
+ if (clutter_damage_history_is_age_valid (damage_history, buffer_age))
+ {
+ for (age = 1; age <= buffer_age; age++)
+ {
+ const cairo_rectangle_int_t *old_damage;
+
+ old_damage = clutter_damage_history_lookup (damage_history, age);
+ cairo_region_union_rectangle (changed_region, old_damage);
+ }
+
+ cairo_region_destroy (damage_region);
+ damage_region = g_steal_pointer (&changed_region);
+ }
+ else
+ {
+ cairo_region_destroy (changed_region);
+ }
+
+ clutter_damage_history_step (damage_history);
+ }
+ }
+
+ if (0)
+ {
+ CoglColor clear_color;
+
+ cogl_color_init_from_4ub (&clear_color,
+ 0, 0, 0, 0);
+ cogl_framebuffer_clear (priv->framebuffer, COGL_BUFFER_BIT_COLOR, &clear_color);
+ }
+
+ for (i = 0; i < cairo_region_num_rectangles (damage_region); i++)
+ {
+ g_autoptr (GError) error = NULL;
+ cairo_rectangle_int_t rect;
+
+ cairo_region_get_rectangle (damage_region, i, &rect);
+
if (!cogl_blit_framebuffer (priv->shadow.framebuffer,
priv->framebuffer,
- swap_region->x, swap_region->y,
- swap_region->x, swap_region->y,
- swap_region->width, swap_region->height,
+ rect.x, rect.y,
+ rect.x, rect.y,
+ rect.width, rect.height,
&error))
{
g_warning ("Failed to blit shadow buffer: %s", error->message);
+ cairo_region_destroy (damage_region);
return;
}
}
+
+ cairo_region_destroy (damage_region);
+
+ if (is_shadowfb_double_buffered (view))
+ swap_dma_buf_framebuffer (view);
+}
+
+void
+clutter_stage_view_before_swap_buffer (ClutterStageView *view,
+ const cairo_rectangle_int_t *swap_region)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+
+ if (priv->shadow.framebuffer)
+ copy_shadowfb_to_onscreen (view, swap_region);
}
float
@@ -407,6 +738,47 @@ clutter_stage_view_get_scale (ClutterStageView *view)
return priv->scale;
}
+typedef void (*FrontBufferCallback) (CoglFramebuffer *framebuffer,
+ gconstpointer user_data);
+
+static void
+clutter_stage_view_foreach_front_buffer (ClutterStageView *view,
+ FrontBufferCallback callback,
+ gconstpointer user_data)
+{
+ ClutterStageViewPrivate *priv =
+ clutter_stage_view_get_instance_private (view);
+
+ if (priv->offscreen)
+ {
+ callback (priv->offscreen, user_data);
+ }
+ else if (priv->shadow.framebuffer)
+ {
+ if (is_shadowfb_double_buffered (view))
+ {
+ int i;
+
+ for (i = 0; i < G_N_ELEMENTS (priv->shadow.dma_buf.handles); i++)
+ {
+ CoglDmaBufHandle *handle = priv->shadow.dma_buf.handles[i];
+ CoglFramebuffer *framebuffer =
+ cogl_dma_buf_handle_get_framebuffer (handle);
+
+ callback (framebuffer, user_data);
+ }
+ }
+ else
+ {
+ callback (priv->shadow.framebuffer, user_data);
+ }
+ }
+ else
+ {
+ callback (priv->framebuffer, user_data);
+ }
+}
+
gboolean
clutter_stage_view_is_dirty_viewport (ClutterStageView *view)
{
@@ -425,6 +797,19 @@ clutter_stage_view_invalidate_viewport (ClutterStageView *view)
priv->dirty_viewport = TRUE;
}
+static void
+set_framebuffer_viewport (CoglFramebuffer *framebuffer,
+ gconstpointer user_data)
+{
+ const ClutterRect *rect = user_data;
+
+ cogl_framebuffer_set_viewport (framebuffer,
+ rect->origin.x,
+ rect->origin.y,
+ rect->size.width,
+ rect->size.height);
+}
+
void
clutter_stage_view_set_viewport (ClutterStageView *view,
float x,
@@ -434,11 +819,17 @@ clutter_stage_view_set_viewport (ClutterStageView *view,
{
ClutterStageViewPrivate *priv =
clutter_stage_view_get_instance_private (view);
- CoglFramebuffer *framebuffer;
+ ClutterRect rect;
priv->dirty_viewport = FALSE;
- framebuffer = clutter_stage_view_get_framebuffer (view);
- cogl_framebuffer_set_viewport (framebuffer, x, y, width, height);
+
+ rect = (ClutterRect) {
+ .origin = { .x = x, .y = y },
+ .size = { .width = width, .height = height },
+ };
+ clutter_stage_view_foreach_front_buffer (view,
+ set_framebuffer_viewport,
+ &rect);
}
gboolean
@@ -450,6 +841,13 @@ clutter_stage_view_is_dirty_projection (ClutterStageView *view)
return priv->dirty_projection;
}
+static void
+set_framebuffer_projection_matrix (CoglFramebuffer *framebuffer,
+ gconstpointer user_data)
+{
+ cogl_framebuffer_set_projection_matrix (framebuffer, user_data);
+}
+
void
clutter_stage_view_invalidate_projection (ClutterStageView *view)
{
@@ -465,11 +863,11 @@ clutter_stage_view_set_projection (ClutterStageView *view,
{
ClutterStageViewPrivate *priv =
clutter_stage_view_get_instance_private (view);
- CoglFramebuffer *framebuffer;
priv->dirty_projection = FALSE;
- framebuffer = clutter_stage_view_get_framebuffer (view);
- cogl_framebuffer_set_projection_matrix (framebuffer, matrix);
+ clutter_stage_view_foreach_front_buffer (view,
+ set_framebuffer_projection_matrix,
+ matrix);
}
void
@@ -593,10 +991,20 @@ clutter_stage_view_dispose (GObject *object)
ClutterStageView *view = CLUTTER_STAGE_VIEW (object);
ClutterStageViewPrivate *priv =
clutter_stage_view_get_instance_private (view);
+ int i;
g_clear_pointer (&priv->name, g_free);
g_clear_pointer (&priv->framebuffer, cogl_object_unref);
+
g_clear_pointer (&priv->shadow.framebuffer, cogl_object_unref);
+ for (i = 0; i < G_N_ELEMENTS (priv->shadow.dma_buf.handles); i++)
+ {
+ g_clear_pointer (&priv->shadow.dma_buf.handles[i],
+ cogl_dma_buf_handle_free);
+ }
+ g_clear_pointer (&priv->shadow.dma_buf.damage_history,
+ clutter_damage_history_free);
+
g_clear_pointer (&priv->offscreen, cogl_object_unref);
g_clear_pointer (&priv->offscreen_pipeline, cogl_object_unref);
diff --git a/clutter/clutter/clutter-util.c b/clutter/clutter/clutter-util.c
index ed52b69774..834adae39a 100644
--- a/clutter/clutter/clutter-util.c
+++ b/clutter/clutter/clutter-util.c
@@ -210,6 +210,28 @@ _clutter_util_rectangle_intersection (const cairo_rectangle_int_t *src1,
}
}
+gboolean
+_clutter_util_rectangle_contains (const cairo_rectangle_int_t *src1,
+ const cairo_rectangle_int_t *src2)
+{
+ int x1, y1, x2, y2;
+
+ x1 = MAX (src1->x, src2->x);
+ y1 = MAX (src1->y, src2->y);
+
+ x2 = MIN (src1->x + (int) src1->width, src2->x + (int) src2->width);
+ y2 = MIN (src1->y + (int) src1->height, src2->y + (int) src2->height);
+
+ if (x1 >= x2 || y1 >= y2)
+ {
+ return FALSE;
+ }
+ else
+ {
+ return TRUE;
+ }
+}
+
float
_clutter_util_matrix_determinant (const ClutterMatrix *matrix)
{
--
2.28.0
From 9968d4aeefc2c47a63e12f977dad031672a63abe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20Dre=C3=9Fler?= <verdre@v0yd.nl>
Date: Sat, 7 Mar 2020 20:29:09 +0100
Subject: [PATCH 20/20] clutter/stage-cogl: Use view fb instead of onscreen fb
for debug-drawing
We need to use the framebuffer of the view instead of the onscreen
framebuffer when painting the damage region, otherwise the redraw clips
on rotated monitors won't be shown correctly.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
(cherry picked from commit 8e1bd64e05c3098fcce4f916f9e4468decb8f30c)
---
clutter/clutter/cogl/clutter-stage-cogl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clutter/clutter/cogl/clutter-stage-cogl.c b/clutter/clutter/cogl/clutter-stage-cogl.c
index 11273ec894..3f1f609c4e 100644
--- a/clutter/clutter/cogl/clutter-stage-cogl.c
+++ b/clutter/clutter/cogl/clutter-stage-cogl.c
@@ -353,7 +353,7 @@ paint_damage_region (ClutterStageWindow *stage_window,
ClutterStageView *view,
cairo_rectangle_int_t *swap_region)
{
- CoglFramebuffer *framebuffer = clutter_stage_view_get_onscreen (view);
+ CoglFramebuffer *framebuffer = clutter_stage_view_get_framebuffer (view);
CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
static CoglPipeline *overlay_blue = NULL;
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_window);
--
2.28.0
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