scene: add wlr_scene_buffer_set_transform
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43833fba64
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3c26244340
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@ -96,6 +96,7 @@ struct wlr_scene_buffer {
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struct wlr_texture *texture;
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struct wlr_fbox src_box;
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int dst_width, dst_height;
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enum wl_output_transform transform;
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};
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/** A viewport for an output in the scene-graph */
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@ -232,6 +233,12 @@ void wlr_scene_buffer_set_source_box(struct wlr_scene_buffer *scene_buffer,
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void wlr_scene_buffer_set_dest_size(struct wlr_scene_buffer *scene_buffer,
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int width, int height);
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/**
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* Set a transform which will be applied to the buffer.
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*/
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void wlr_scene_buffer_set_transform(struct wlr_scene_buffer *scene_buffer,
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enum wl_output_transform transform);
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/**
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* Add a viewport for the specified output to the scene-graph.
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*
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@ -295,6 +295,17 @@ void wlr_scene_buffer_set_dest_size(struct wlr_scene_buffer *scene_buffer,
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scene_node_damage_whole(&scene_buffer->node);
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}
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void wlr_scene_buffer_set_transform(struct wlr_scene_buffer *scene_buffer,
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enum wl_output_transform transform) {
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if (scene_buffer->transform == transform) {
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return;
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}
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scene_node_damage_whole(&scene_buffer->node);
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scene_buffer->transform = transform;
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scene_node_damage_whole(&scene_buffer->node);
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}
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static struct wlr_texture *scene_buffer_get_texture(
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struct wlr_scene_buffer *scene_buffer, struct wlr_renderer *renderer) {
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struct wlr_client_buffer *client_buffer =
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@ -338,8 +349,13 @@ static void scene_node_get_size(struct wlr_scene_node *node,
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*width = scene_buffer->dst_width;
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*height = scene_buffer->dst_height;
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} else {
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*width = scene_buffer->buffer->width;
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*height = scene_buffer->buffer->height;
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if (scene_buffer->transform & WL_OUTPUT_TRANSFORM_90) {
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*height = scene_buffer->buffer->width;
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*width = scene_buffer->buffer->height;
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} else {
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*width = scene_buffer->buffer->width;
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*height = scene_buffer->buffer->height;
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}
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}
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break;
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}
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@ -658,6 +674,7 @@ static void render_node_iterator(struct wlr_scene_node *node,
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struct wlr_texture *texture;
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float matrix[9];
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enum wl_output_transform transform;
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switch (node->type) {
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case WLR_SCENE_NODE_ROOT:
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case WLR_SCENE_NODE_TREE:
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@ -672,8 +689,7 @@ static void render_node_iterator(struct wlr_scene_node *node,
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return;
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}
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enum wl_output_transform transform =
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wlr_output_transform_invert(surface->current.transform);
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transform = wlr_output_transform_invert(surface->current.transform);
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wlr_matrix_project_box(matrix, &dst_box, transform, 0.0,
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output->transform_matrix);
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@ -694,7 +710,8 @@ static void render_node_iterator(struct wlr_scene_node *node,
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return;
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}
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wlr_matrix_project_box(matrix, &dst_box, WL_OUTPUT_TRANSFORM_NORMAL, 0.0,
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transform = wlr_output_transform_invert(scene_buffer->transform);
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wlr_matrix_project_box(matrix, &dst_box, transform, 0.0,
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output->transform_matrix);
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render_texture(output, output_damage, texture, &scene_buffer->src_box,
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