Switch to cairo-drm, drop struct buffer hacks.

This commit is contained in:
Kristian Høgsberg 2009-01-15 11:37:43 -05:00
parent 32692d2f48
commit 0ac16f056d
7 changed files with 118 additions and 171 deletions

View file

@ -30,13 +30,12 @@
#include <time.h>
#include <cairo.h>
#include <glib.h>
#include <cairo-drm.h>
#include <linux/input.h>
#include "wayland-client.h"
#include "wayland-glib.h"
#include "cairo-util.h"
#include "window.h"
struct window {
@ -52,9 +51,9 @@ struct window {
int fullscreen;
struct wl_input_device *grab_device;
uint32_t name;
int fd;
cairo_drm_context_t *ctx;
struct buffer *buffer;
cairo_surface_t *cairo_surface;
window_resize_handler_t resize_handler;
window_key_handler_t key_handler;
@ -78,7 +77,6 @@ rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius)
static void
window_draw_decorations(struct window *window)
{
cairo_surface_t *surface;
cairo_t *cr;
int border = 2, radius = 5;
cairo_text_extents_t extents;
@ -86,15 +84,17 @@ window_draw_decorations(struct window *window)
struct wl_visual *visual;
int width, height;
surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
window->allocation.width,
window->allocation.height);
window->cairo_surface =
cairo_drm_surface_create(window->ctx,
CAIRO_CONTENT_COLOR_ALPHA,
window->allocation.width,
window->allocation.height);
outline = cairo_pattern_create_rgb(0.1, 0.1, 0.1);
bright = cairo_pattern_create_rgb(0.8, 0.8, 0.8);
dim = cairo_pattern_create_rgb(0.4, 0.4, 0.4);
cr = cairo_create(surface);
cr = cairo_create(window->cairo_surface);
width = window->allocation.width - window->margin * 2;
height = window->allocation.height - window->margin * 2;
@ -104,7 +104,20 @@ window_draw_decorations(struct window *window)
cairo_set_source_rgba(cr, 0, 0, 0, 0.7);
rounded_rect(cr, 0, 0, width, height, radius);
cairo_fill(cr);
blur_surface(surface, 24 + radius);
#ifdef SLOW_BUT_PWETTY
/* FIXME: Aw, pretty drop shadows now have to fallback to sw.
* Ideally we should have convolution filters in cairo, but we
* can also fallback to compositing the shadow image a bunch
* of times according to the blur kernel. */
{
cairo_surface_t *map;
map = cairo_drm_surface_map(window->cairo_surface);
blur_surface(map);
cairo_drm_surface_unmap(window->cairo_surface, map);
}
#endif
cairo_translate(cr, -7, -5);
cairo_set_line_width (cr, border);
@ -157,15 +170,12 @@ window_draw_decorations(struct window *window)
cairo_fill(cr);
cairo_destroy(cr);
window->buffer = buffer_create_from_cairo_surface(window->fd, surface);
cairo_surface_destroy(surface);
visual = wl_display_get_premultiplied_argb_visual(window->display);
wl_surface_attach(window->surface,
window->buffer->name,
window->buffer->width,
window->buffer->height,
window->buffer->stride,
cairo_drm_surface_get_name(window->cairo_surface),
window->allocation.width,
window->allocation.height,
cairo_drm_surface_get_stride(window->cairo_surface),
visual);
wl_surface_map(window->surface,
@ -179,19 +189,19 @@ static void
window_draw_fullscreen(struct window *window)
{
struct wl_visual *visual;
int stride = window->allocation.width * 4;
window->buffer = buffer_create(window->fd,
window->allocation.width,
window->allocation.height,
stride);
window->cairo_surface =
cairo_drm_surface_create(window->ctx,
CAIRO_CONTENT_COLOR_ALPHA,
window->allocation.width,
window->allocation.height);
visual = wl_display_get_premultiplied_argb_visual(window->display);
wl_surface_attach(window->surface,
window->buffer->name,
window->buffer->width,
window->buffer->height,
window->buffer->stride,
cairo_drm_surface_get_name(window->cairo_surface),
window->allocation.width,
window->allocation.height,
cairo_drm_surface_get_stride(window->cairo_surface),
visual);
wl_surface_map(window->surface,
@ -222,9 +232,9 @@ window_handle_acknowledge(void *data,
* safely free the old window buffer if we resized and
* render the next frame into our back buffer.. */
if (key == 0 && window->buffer != NULL) {
buffer_destroy(window->buffer, window->fd);
window->buffer = NULL;
if (key == 0 && window->cairo_surface != NULL) {
cairo_surface_destroy(window->cairo_surface);
window->cairo_surface = NULL;
}
}
@ -382,6 +392,16 @@ window_set_child_size(struct window *window,
}
}
cairo_surface_t *
window_create_surface(struct window *window,
struct rectangle *rectangle)
{
return cairo_drm_surface_create(window->ctx,
CAIRO_CONTENT_COLOR_ALPHA,
rectangle->width,
rectangle->height);
}
void
window_copy(struct window *window,
struct rectangle *rectangle,
@ -396,6 +416,21 @@ window_copy(struct window *window,
rectangle->height);
}
void
window_copy_surface(struct window *window,
struct rectangle *rectangle,
cairo_surface_t *surface)
{
wl_surface_copy(window->surface,
rectangle->x,
rectangle->y,
cairo_drm_surface_get_name(surface),
cairo_drm_surface_get_stride(surface),
0, 0,
rectangle->width,
rectangle->height);
}
void
window_set_fullscreen(struct window *window, int fullscreen)
{
@ -488,7 +523,11 @@ window_create(struct wl_display *display, int fd,
window->saved_allocation = window->allocation;
window->margin = 16;
window->state = WINDOW_STABLE;
window->fd = fd;
window->ctx = cairo_drm_context_get_for_fd(fd);
if (window->ctx == NULL) {
fprintf(stderr, "failed to get cairo drm context\n");
return NULL;
}
wl_display_add_global_listener(display,
window_handle_global, window);