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scene: add wlr_scene_buffer_set_transform

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This commit is contained in:
Simon Ser 2021-09-20 18:19:05 +02:00 • committed by Simon Zeni
parent 43833fba64
commit 3c26244340
2 changed files with 29 additions and 5 deletions
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7
include/wlr/types/wlr_scene.h
View file

@ -96,6 +96,7 @@ struct wlr_scene_buffer {
struct wlr_texture *texture;
struct wlr_fbox src_box;
int dst_width, dst_height;
enum wl_output_transform transform;
};
/** A viewport for an output in the scene-graph */
@ -232,6 +233,12 @@ void wlr_scene_buffer_set_source_box(struct wlr_scene_buffer *scene_buffer,
void wlr_scene_buffer_set_dest_size(struct wlr_scene_buffer *scene_buffer,
int width, int height);
/**
* Set a transform which will be applied to the buffer.
*/
void wlr_scene_buffer_set_transform(struct wlr_scene_buffer *scene_buffer,
enum wl_output_transform transform);
/**
* Add a viewport for the specified output to the scene-graph.
*

27
types/scene/wlr_scene.c
View file

@ -295,6 +295,17 @@ void wlr_scene_buffer_set_dest_size(struct wlr_scene_buffer *scene_buffer,
scene_node_damage_whole(&scene_buffer->node);
}
void wlr_scene_buffer_set_transform(struct wlr_scene_buffer *scene_buffer,
enum wl_output_transform transform) {
if (scene_buffer->transform == transform) {
return;
}
scene_node_damage_whole(&scene_buffer->node);
scene_buffer->transform = transform;
scene_node_damage_whole(&scene_buffer->node);
}
static struct wlr_texture *scene_buffer_get_texture(
struct wlr_scene_buffer *scene_buffer, struct wlr_renderer *renderer) {
struct wlr_client_buffer *client_buffer =
@ -338,8 +349,13 @@ static void scene_node_get_size(struct wlr_scene_node *node,
*width = scene_buffer->dst_width;
*height = scene_buffer->dst_height;
} else {
*width = scene_buffer->buffer->width;
*height = scene_buffer->buffer->height;
if (scene_buffer->transform & WL_OUTPUT_TRANSFORM_90) {
*height = scene_buffer->buffer->width;
*width = scene_buffer->buffer->height;
} else {
*width = scene_buffer->buffer->width;
*height = scene_buffer->buffer->height;
}
}
break;
}
@ -658,6 +674,7 @@ static void render_node_iterator(struct wlr_scene_node *node,
struct wlr_texture *texture;
float matrix[9];
enum wl_output_transform transform;
switch (node->type) {
case WLR_SCENE_NODE_ROOT:
case WLR_SCENE_NODE_TREE:
@ -672,8 +689,7 @@ static void render_node_iterator(struct wlr_scene_node *node,
return;
}
enum wl_output_transform transform =
wlr_output_transform_invert(surface->current.transform);
transform = wlr_output_transform_invert(surface->current.transform);
wlr_matrix_project_box(matrix, &dst_box, transform, 0.0,
output->transform_matrix);
@ -694,7 +710,8 @@ static void render_node_iterator(struct wlr_scene_node *node,
return;
}
wlr_matrix_project_box(matrix, &dst_box, WL_OUTPUT_TRANSFORM_NORMAL, 0.0,
transform = wlr_output_transform_invert(scene_buffer->transform);
wlr_matrix_project_box(matrix, &dst_box, transform, 0.0,
output->transform_matrix);
render_texture(output, output_damage, texture, &scene_buffer->src_box,