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gsk: Add gsk_render_node_is_hdr

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Add a function that tracks whether a render node's content is
in a wide gamut color state (in practice, that means non-sRGB).

This will be used in render_texture to determine the color
state to use when creating a texture.
This commit is contained in:
Matthias Clasen
2024-08-06 12:45:16 -04:00
parent e70a961ac1
commit ee18156675
3 changed files with 46 additions and 1 deletions
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6
gsk/gskrendernode.c
View File

@@ -827,6 +827,12 @@ gsk_render_node_get_preferred_depth (const GskRenderNode *node)
return node->preferred_depth;
}
gboolean
gsk_render_node_is_hdr (const GskRenderNode *node)
{
return node->is_hdr;
}
/* Whether we need an offscreen to handle opacity correctly for this node.
* We don't if there is only one drawing node inside (could be child
* node, or grandchild, or...).

39
gsk/gskrendernodeimpl.c
View File

@@ -91,6 +91,17 @@ my_color_stops_get_depth (const GskColorStop *stops,
return gdk_color_state_get_depth (GDK_COLOR_STATE_SRGB);
}
static inline gboolean
color_state_is_hdr (GdkColorState *color_state)
{
GdkColorState *rendering_cs;
rendering_cs = gdk_color_state_get_rendering_color_state (color_state);
return rendering_cs != GDK_COLOR_STATE_SRGB &&
rendering_cs != GDK_COLOR_STATE_SRGB_LINEAR;
}
/* apply a rectangle that bounds @rect in
* pixel-aligned device coordinates.
*
@@ -316,6 +327,7 @@ gsk_color_node_new2 (const GdkColor *color,
node->offscreen_for_opacity = FALSE;
node->fully_opaque = gdk_color_is_opaque (color);
node->preferred_depth = gdk_color_get_depth (color);
node->is_hdr = color_state_is_hdr (color->color_state);
gdk_color_init_copy (&self->color, color);
@@ -1978,6 +1990,7 @@ gsk_texture_node_new (GdkTexture *texture,
node = (GskRenderNode *) self;
node->offscreen_for_opacity = FALSE;
node->fully_opaque = gdk_memory_format_alpha (gdk_texture_get_format (texture)) == GDK_MEMORY_ALPHA_OPAQUE;
node->is_hdr = color_state_is_hdr (gdk_texture_get_color_state (texture));
self->texture = g_object_ref (texture);
gsk_rect_init_from_rect (&node->bounds, bounds);
@@ -2200,6 +2213,7 @@ gsk_texture_scale_node_new (GdkTexture *texture,
node->fully_opaque = gdk_memory_format_alpha (gdk_texture_get_format (texture)) == GDK_MEMORY_ALPHA_OPAQUE &&
bounds->size.width == floor (bounds->size.width) &&
bounds->size.height == floor (bounds->size.height);
node->is_hdr = color_state_is_hdr (gdk_texture_get_color_state (texture));
self->texture = g_object_ref (texture);
gsk_rect_init_from_rect (&node->bounds, bounds);
@@ -3481,6 +3495,7 @@ gsk_container_node_new (GskRenderNode **children,
{
graphene_rect_t child_opaque;
gboolean have_opaque;
gboolean is_hdr;
self->children = g_malloc_n (n_children, sizeof (GskRenderNode *));
@@ -3489,6 +3504,7 @@ gsk_container_node_new (GskRenderNode **children,
node->preferred_depth = children[0]->preferred_depth;
gsk_rect_init_from_rect (&node->bounds, &(children[0]->bounds));
have_opaque = gsk_render_node_get_opaque_rect (self->children[0], &self->opaque);
is_hdr = gsk_render_node_is_hdr (self->children[0]);
for (guint i = 1; i < n_children; i++)
{
@@ -3507,10 +3523,13 @@ gsk_container_node_new (GskRenderNode **children,
have_opaque = TRUE;
}
}
is_hdr |= gsk_render_node_is_hdr (self->children[i]);
}
node->offscreen_for_opacity = node->offscreen_for_opacity || !self->disjoint;
}
node->is_hdr = is_hdr;
}
return node;
}
@@ -3805,6 +3824,7 @@ gsk_transform_node_new (GskRenderNode *child,
&node->bounds);
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
return node;
}
@@ -3957,6 +3977,7 @@ gsk_opacity_node_new (GskRenderNode *child,
gsk_rect_init_from_rect (&node->bounds, &child->bounds);
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
return node;
}
@@ -4190,6 +4211,7 @@ gsk_color_matrix_node_new (GskRenderNode *child,
gsk_rect_init_from_rect (&node->bounds, &child->bounds);
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
return node;
}
@@ -4497,6 +4519,7 @@ gsk_repeat_node_new (const graphene_rect_t *bounds,
}
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
node->fully_opaque = child->fully_opaque && gsk_rect_contains_rect (&child->bounds, &self->child_bounds);
return node;
@@ -4664,6 +4687,7 @@ gsk_clip_node_new (GskRenderNode *child,
gsk_rect_intersection (&self->clip, &child->bounds, &node->bounds);
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
return node;
}
@@ -4847,6 +4871,7 @@ gsk_rounded_clip_node_new (GskRenderNode *child,
gsk_rect_intersection (&self->clip.bounds, &child->bounds, &node->bounds);
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
return node;
}
@@ -5017,6 +5042,7 @@ gsk_fill_node_new (GskRenderNode *child,
node = (GskRenderNode *) self;
node->offscreen_for_opacity = child->offscreen_for_opacity;
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
self->child = gsk_render_node_ref (child);
self->path = gsk_path_ref (path);
@@ -5227,6 +5253,7 @@ gsk_stroke_node_new (GskRenderNode *child,
node = (GskRenderNode *) self;
node->offscreen_for_opacity = child->offscreen_for_opacity;
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
self->child = gsk_render_node_ref (child);
self->path = gsk_path_ref (path);
@@ -5504,6 +5531,7 @@ gsk_shadow_node_new (GskRenderNode *child,
gsk_shadow_node_get_bounds (self, &node->bounds);
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
for (i = 0; i < n_shadows; i++)
{
node->preferred_depth = gdk_memory_depth_merge (node->preferred_depth,
@@ -5727,6 +5755,8 @@ gsk_blend_node_new (GskRenderNode *bottom,
node->preferred_depth = gdk_memory_depth_merge (gsk_render_node_get_preferred_depth (bottom),
gsk_render_node_get_preferred_depth (top));
node->is_hdr = gsk_render_node_is_hdr (bottom) ||
gsk_render_node_is_hdr (top);
return node;
}
@@ -5914,6 +5944,8 @@ gsk_cross_fade_node_new (GskRenderNode *start,
node->preferred_depth = gdk_memory_depth_merge (gsk_render_node_get_preferred_depth (start),
gsk_render_node_get_preferred_depth (end));
node->is_hdr = gsk_render_node_is_hdr (start) ||
gsk_render_node_is_hdr (end);
return node;
}
@@ -6566,6 +6598,7 @@ gsk_blur_node_new (GskRenderNode *child,
graphene_rect_inset (&self->render_node.bounds, - clip_radius, - clip_radius);
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
return node;
}
@@ -6802,6 +6835,8 @@ gsk_mask_node_new (GskRenderNode *source,
self->render_node.bounds = *graphene_rect_zero ();
self->render_node.preferred_depth = gsk_render_node_get_preferred_depth (source);
self->render_node.is_hdr = gsk_render_node_is_hdr (source) ||
gsk_render_node_is_hdr (mask);
return &self->render_node;
}
@@ -6980,6 +7015,7 @@ gsk_debug_node_new (GskRenderNode *child,
gsk_rect_init_from_rect (&node->bounds, &child->bounds);
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
self->render_node.is_hdr = gsk_render_node_is_hdr (child);
return node;
}
@@ -7402,6 +7438,7 @@ gsk_subsurface_node_new (GskRenderNode *child,
gsk_rect_init_from_rect (&node->bounds, &child->bounds);
node->preferred_depth = gsk_render_node_get_preferred_depth (child);
node->is_hdr = gsk_render_node_is_hdr (child);
return node;
}

2
gsk/gskrendernodeprivate.h
View File

@@ -36,6 +36,7 @@ struct _GskRenderNode
guint preferred_depth : GDK_MEMORY_DEPTH_BITS;
guint offscreen_for_opacity : 1;
guint fully_opaque : 1;
guint is_hdr : 1;
};
typedef struct
@@ -106,6 +107,7 @@ void gsk_transform_node_get_translate (const GskRenderNode
float *dx,
float *dy);
GdkMemoryDepth gsk_render_node_get_preferred_depth (const GskRenderNode *node) G_GNUC_PURE;
gboolean gsk_render_node_is_hdr (const GskRenderNode *node) G_GNUC_PURE;
gboolean gsk_container_node_is_disjoint (const GskRenderNode *node) G_GNUC_PURE;