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https://github.com/swaywm/sway.git
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render xdg surface
This commit is contained in:
Tony Crisci
parent
5a23959242
commit
4c8c9b29e4
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@ -1,4 +1,5 @@
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#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <stdlib.h>
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#include <time.h>
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#include <wayland-server.h>
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@ -15,76 +16,131 @@
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#include "sway/input/input-manager.h"
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#include "sway/input/seat.h"
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static void output_frame_view(swayc_t *view, void *data) {
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struct sway_output *output = data;
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struct wlr_output *wlr_output = output->wlr_output;
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struct sway_view *sway_view = view->sway_view;
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struct wlr_surface *surface = sway_view->surface;
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/**
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* Rotate a child's position relative to a parent. The parent size is (pw, ph),
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* the child position is (*sx, *sy) and its size is (sw, sh).
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*/
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static void rotate_child_position(double *sx, double *sy, double sw, double sh,
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double pw, double ph, float rotation) {
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if (rotation != 0.0) {
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// Coordinates relative to the center of the subsurface
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double ox = *sx - pw/2 + sw/2,
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oy = *sy - ph/2 + sh/2;
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// Rotated coordinates
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double rx = cos(-rotation)*ox - sin(-rotation)*oy,
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ry = cos(-rotation)*oy + sin(-rotation)*ox;
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*sx = rx + pw/2 - sw/2;
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*sy = ry + ph/2 - sh/2;
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}
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}
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static void render_surface(struct wlr_surface *surface,
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struct wlr_output *wlr_output, struct timespec *when,
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double lx, double ly, float rotation) {
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if (!wlr_surface_has_buffer(surface)) {
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return;
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}
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// TODO
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// - Deal with wlr_output_layout
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int width = sway_view->surface->current->width;
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int height = sway_view->surface->current->height;
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struct wlr_output_layout *layout = root_container.sway_root->output_layout;
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int width = surface->current->width;
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int height = surface->current->height;
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int render_width = width * wlr_output->scale;
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int render_height = height * wlr_output->scale;
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double ox = view->x, oy = view->y;
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// TODO
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//wlr_output_layout_output_coords(desktop->layout, wlr_output, &ox, &oy);
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double ox = lx, oy = ly;
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wlr_output_layout_output_coords(layout, wlr_output, &ox, &oy);
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ox *= wlr_output->scale;
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oy *= wlr_output->scale;
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// TODO
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//if (wlr_output_layout_intersects(desktop->layout, wlr_output,
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// lx, ly, lx + render_width, ly + render_height)) {
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// return;
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//}
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// if the shell specifies window geometry, make the top left corner of the
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// window in the top left corner of the container to avoid arbitrarily
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// sized gaps based on the attached buffer size
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int window_offset_x = 0;
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int window_offset_y = 0;
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if (view->sway_view->type == SWAY_XDG_SHELL_V6_VIEW) {
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window_offset_x = view->sway_view->wlr_xdg_surface_v6->geometry->x;
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window_offset_y = view->sway_view->wlr_xdg_surface_v6->geometry->y;
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}
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// TODO
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double rotation = 0;
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struct wlr_box render_box = {
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.x = lx, .y = ly,
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.width = render_width, .height = render_height,
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};
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if (wlr_output_layout_intersects(layout, wlr_output, &render_box)) {
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float matrix[16];
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float translate_origin[16];
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wlr_matrix_translate(&translate_origin,
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(int)ox + render_width / 2 - window_offset_x,
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(int)oy + render_height / 2 - window_offset_y,
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0);
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float translate_center[16];
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wlr_matrix_translate(&translate_center,
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(int)ox + render_width / 2, (int)oy + render_height / 2, 0);
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float rotate[16];
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wlr_matrix_rotate(&rotate, rotation);
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float translate_center[16];
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wlr_matrix_translate(&translate_center,
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-render_width / 2,
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float translate_origin[16];
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wlr_matrix_translate(&translate_origin, -render_width / 2,
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-render_height / 2, 0);
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float scale[16];
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wlr_matrix_scale(&scale, render_width, render_height, 1);
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float transform[16];
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wlr_matrix_mul(&translate_origin, &rotate, &transform);
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wlr_matrix_mul(&transform, &translate_center, &transform);
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wlr_matrix_mul(&translate_center, &rotate, &transform);
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wlr_matrix_mul(&transform, &translate_origin, &transform);
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wlr_matrix_mul(&transform, &scale, &transform);
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if (surface->current->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
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float surface_translate_center[16];
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wlr_matrix_translate(&surface_translate_center, 0.5, 0.5, 0);
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float surface_transform[16];
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wlr_matrix_transform(surface_transform,
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wlr_output_transform_invert(surface->current->transform));
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float surface_translate_origin[16];
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wlr_matrix_translate(&surface_translate_origin, -0.5, -0.5, 0);
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wlr_matrix_mul(&transform, &surface_translate_center,
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&transform);
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wlr_matrix_mul(&transform, &surface_transform, &transform);
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wlr_matrix_mul(&transform, &surface_translate_origin,
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&transform);
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}
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wlr_matrix_mul(&wlr_output->transform_matrix, &transform, &matrix);
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wlr_render_with_matrix(output->server->renderer, surface->texture, &matrix);
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wlr_render_with_matrix(server.renderer, surface->texture,
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&matrix);
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// TODO: move into wlroots
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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wlr_surface_send_frame_done(surface, when);
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}
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wlr_surface_send_frame_done(surface, &now);
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struct wlr_subsurface *subsurface;
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wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) {
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struct wlr_surface_state *state = subsurface->surface->current;
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double sx = state->subsurface_position.x;
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double sy = state->subsurface_position.y;
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double sw = state->buffer_width / state->scale;
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double sh = state->buffer_height / state->scale;
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rotate_child_position(&sx, &sy, sw, sh, width, height, rotation);
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render_surface(subsurface->surface, wlr_output, when,
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lx + sx,
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ly + sy,
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rotation);
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}
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}
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static void output_frame_view(swayc_t *view, void *data) {
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struct sway_output *output = data;
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struct wlr_output *wlr_output = output->wlr_output;
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struct sway_view *sway_view = view->sway_view;
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struct wlr_surface *surface = sway_view->surface;
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switch (sway_view->type) {
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case SWAY_XDG_SHELL_V6_VIEW: {
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int window_offset_x = view->sway_view->wlr_xdg_surface_v6->geometry->x;
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int window_offset_y = view->sway_view->wlr_xdg_surface_v6->geometry->y;
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render_surface(surface, wlr_output, &output->last_frame,
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view->x - window_offset_x,
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view->y - window_offset_y,
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0);
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break;
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}
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case SWAY_WL_SHELL_VIEW:
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break;
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case SWAY_XWAYLAND_VIEW:
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break;
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case SWAY_VIEW_TYPES:
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break;
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}
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}
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static void output_frame_notify(struct wl_listener *listener, void *data) {
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@ -92,9 +148,6 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
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struct wlr_output *wlr_output = data;
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struct sway_server *server = soutput->server;
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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wlr_output_make_current(wlr_output);
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wlr_renderer_begin(server->renderer, wlr_output);
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@ -104,6 +157,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
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wlr_renderer_end(server->renderer);
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wlr_output_swap_buffers(wlr_output);
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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soutput->last_frame = now;
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}
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