clutter/stage-view: Move offscreen creation functions around
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3930>
This commit is contained in:
Sebastian Wick
Marge Bot
parent
a91fd4a72c
commit
5b44d589b1
@ -167,8 +167,128 @@ clutter_stage_view_get_onscreen (ClutterStageView *view)
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return priv->framebuffer;
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}
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static CoglOffscreen *
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create_offscreen (ClutterStageView *view,
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CoglPixelFormat format,
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int width,
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int height,
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GError **error)
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{
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ClutterStageViewPrivate *priv =
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clutter_stage_view_get_instance_private (view);
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CoglContext *cogl_context;
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g_autoptr (CoglOffscreen) framebuffer = NULL;
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g_autoptr (CoglTexture) texture = NULL;
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cogl_context = cogl_framebuffer_get_context (priv->framebuffer);
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if (format == COGL_PIXEL_FORMAT_ANY)
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{
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texture = cogl_texture_2d_new_with_size (cogl_context, width, height);
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}
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else
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{
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texture = cogl_texture_2d_new_with_format (cogl_context,
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width, height, format);
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}
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cogl_texture_set_auto_mipmap (texture, FALSE);
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if (!cogl_texture_allocate (texture, error))
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return FALSE;
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framebuffer = cogl_offscreen_new_with_texture (texture);
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if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (framebuffer), error))
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return FALSE;
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return g_steal_pointer (&framebuffer);
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}
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static CoglOffscreen *
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create_offscreen_with_formats (ClutterStageView *view,
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CoglPixelFormat *formats,
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size_t n_formats,
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int width,
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int height,
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GError **error)
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{
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g_autoptr (GError) local_error = NULL;
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size_t i;
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for (i = 0; i < n_formats; i++)
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{
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CoglOffscreen *offscreen;
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g_clear_error (&local_error);
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offscreen = create_offscreen (view, formats[i], width, height, &local_error);
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if (offscreen)
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return offscreen;
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}
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g_propagate_error (error, g_steal_pointer (&local_error));
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return NULL;
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}
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static void
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ensure_stage_view_offscreen (ClutterStageView *view);
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ensure_stage_view_offscreen (ClutterStageView *view)
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{
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ClutterStageViewPrivate *priv =
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clutter_stage_view_get_instance_private (view);
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ClutterEncodingRequiredFormat required_format;
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CoglPixelFormat formats[10];
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size_t n_formats = 0;
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int offscreen_width, offscreen_height;
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int onscreen_width, onscreen_height;
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g_autoptr (CoglOffscreen) offscreen = NULL;
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g_autoptr (GError) local_error = NULL;
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if (priv->offscreen)
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return;
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required_format = clutter_color_state_required_format (priv->color_state);
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if (required_format <= CLUTTER_ENCODING_REQUIRED_FORMAT_UINT8)
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{
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formats[n_formats++] =
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cogl_framebuffer_get_internal_format (priv->framebuffer);
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}
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else
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{
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formats[n_formats++] = COGL_PIXEL_FORMAT_XRGB_FP_16161616;
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formats[n_formats++] = COGL_PIXEL_FORMAT_XBGR_FP_16161616;
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formats[n_formats++] = COGL_PIXEL_FORMAT_RGBA_FP_16161616_PRE;
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formats[n_formats++] = COGL_PIXEL_FORMAT_BGRA_FP_16161616_PRE;
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formats[n_formats++] = COGL_PIXEL_FORMAT_ARGB_FP_16161616_PRE;
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formats[n_formats++] = COGL_PIXEL_FORMAT_ABGR_FP_16161616_PRE;
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}
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onscreen_width = cogl_framebuffer_get_width (priv->framebuffer);
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onscreen_height = cogl_framebuffer_get_height (priv->framebuffer);
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if (mtk_monitor_transform_is_rotated (priv->transform))
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{
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offscreen_width = onscreen_height;
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offscreen_height = onscreen_width;
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}
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else
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{
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offscreen_width = onscreen_width;
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offscreen_height = onscreen_height;
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}
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offscreen = create_offscreen_with_formats (view,
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formats,
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n_formats,
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offscreen_width,
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offscreen_height,
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&local_error);
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if (!offscreen)
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g_error ("Failed to allocate back buffer texture: %s", local_error->message);
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g_set_object (&priv->offscreen, g_steal_pointer (&offscreen));
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}
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static void
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ensure_stage_view_offscreen_pipeline (ClutterStageView *view)
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@ -370,129 +490,6 @@ paint_transformed_framebuffer (ClutterStageView *view,
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cogl_framebuffer_pop_matrix (dst_framebuffer);
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}
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static CoglOffscreen *
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create_offscreen (ClutterStageView *view,
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CoglPixelFormat format,
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int width,
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int height,
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GError **error)
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{
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ClutterStageViewPrivate *priv =
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clutter_stage_view_get_instance_private (view);
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CoglContext *cogl_context;
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g_autoptr (CoglOffscreen) framebuffer = NULL;
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g_autoptr (CoglTexture) texture = NULL;
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cogl_context = cogl_framebuffer_get_context (priv->framebuffer);
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if (format == COGL_PIXEL_FORMAT_ANY)
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{
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texture = cogl_texture_2d_new_with_size (cogl_context, width, height);
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}
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else
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{
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texture = cogl_texture_2d_new_with_format (cogl_context,
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width, height, format);
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}
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cogl_texture_set_auto_mipmap (texture, FALSE);
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if (!cogl_texture_allocate (texture, error))
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return FALSE;
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framebuffer = cogl_offscreen_new_with_texture (texture);
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if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (framebuffer), error))
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return FALSE;
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return g_steal_pointer (&framebuffer);
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}
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static CoglOffscreen *
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create_offscreen_with_formats (ClutterStageView *view,
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CoglPixelFormat *formats,
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size_t n_formats,
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int width,
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int height,
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GError **error)
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{
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g_autoptr (GError) local_error = NULL;
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size_t i;
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for (i = 0; i < n_formats; i++)
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{
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CoglOffscreen *offscreen;
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g_clear_error (&local_error);
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offscreen = create_offscreen (view, formats[i], width, height, &local_error);
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if (offscreen)
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return offscreen;
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}
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g_propagate_error (error, g_steal_pointer (&local_error));
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return NULL;
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}
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static void
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ensure_stage_view_offscreen (ClutterStageView *view)
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{
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ClutterStageViewPrivate *priv =
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clutter_stage_view_get_instance_private (view);
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ClutterEncodingRequiredFormat required_format;
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CoglPixelFormat formats[10];
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size_t n_formats = 0;
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int offscreen_width, offscreen_height;
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int onscreen_width, onscreen_height;
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g_autoptr (CoglOffscreen) offscreen = NULL;
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g_autoptr (GError) local_error = NULL;
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if (priv->offscreen)
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return;
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required_format = clutter_color_state_required_format (priv->color_state);
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if (required_format <= CLUTTER_ENCODING_REQUIRED_FORMAT_UINT8)
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{
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formats[n_formats++] =
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cogl_framebuffer_get_internal_format (priv->framebuffer);
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}
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else
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{
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formats[n_formats++] = COGL_PIXEL_FORMAT_XRGB_FP_16161616;
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formats[n_formats++] = COGL_PIXEL_FORMAT_XBGR_FP_16161616;
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formats[n_formats++] = COGL_PIXEL_FORMAT_RGBA_FP_16161616_PRE;
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formats[n_formats++] = COGL_PIXEL_FORMAT_BGRA_FP_16161616_PRE;
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formats[n_formats++] = COGL_PIXEL_FORMAT_ARGB_FP_16161616_PRE;
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formats[n_formats++] = COGL_PIXEL_FORMAT_ABGR_FP_16161616_PRE;
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}
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onscreen_width = cogl_framebuffer_get_width (priv->framebuffer);
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onscreen_height = cogl_framebuffer_get_height (priv->framebuffer);
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if (mtk_monitor_transform_is_rotated (priv->transform))
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{
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offscreen_width = onscreen_height;
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offscreen_height = onscreen_width;
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}
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else
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{
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offscreen_width = onscreen_width;
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offscreen_height = onscreen_height;
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}
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offscreen = create_offscreen_with_formats (view,
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formats,
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n_formats,
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offscreen_width,
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offscreen_height,
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&local_error);
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if (!offscreen)
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g_error ("Failed to allocate back buffer texture: %s", local_error->message);
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g_set_object (&priv->offscreen, g_steal_pointer (&offscreen));
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}
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static void
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init_shadowfb (ClutterStageView *view)
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{
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