mirror of
https://gitlab.freedesktop.org/wayland/wayland.git
synced 2025-11-03 09:01:42 -05:00
Use cairo-gl in clients
This commit is contained in:
Kristian Høgsberg
parent
2cdc18452e
commit
a85fe3cf45
5 changed files with 204 additions and 99 deletions
205
clients/window.c
205
clients/window.c
|
|
@ -30,7 +30,13 @@
|
|||
#include <time.h>
|
||||
#include <cairo.h>
|
||||
#include <glib.h>
|
||||
#include <cairo-drm.h>
|
||||
|
||||
#define EGL_EGLEXT_PROTOTYPES 1
|
||||
#define GL_GLEXT_PROTOTYPES 1
|
||||
#include <GL/gl.h>
|
||||
#include <EGL/egl.h>
|
||||
#include <EGL/eglext.h>
|
||||
#include <cairo-gl.h>
|
||||
|
||||
#include <linux/input.h>
|
||||
#include "wayland-util.h"
|
||||
|
|
@ -46,6 +52,8 @@ struct display {
|
|||
struct wl_output *output;
|
||||
struct wl_input_device *input_device;
|
||||
struct rectangle screen_allocation;
|
||||
EGLDisplay dpy;
|
||||
EGLContext ctx;
|
||||
cairo_device_t *device;
|
||||
int fd;
|
||||
};
|
||||
|
|
@ -60,17 +68,21 @@ struct window {
|
|||
int drag_x, drag_y;
|
||||
int state;
|
||||
int fullscreen;
|
||||
int decoration;
|
||||
struct wl_input_device *grab_device;
|
||||
struct wl_input_device *keyboard_device;
|
||||
uint32_t name;
|
||||
uint32_t modifiers;
|
||||
|
||||
EGLImageKHR *image;
|
||||
cairo_surface_t *cairo_surface, *pending_surface;
|
||||
int new_surface;
|
||||
|
||||
window_resize_handler_t resize_handler;
|
||||
window_key_handler_t key_handler;
|
||||
window_keyboard_focus_handler_t keyboard_focus_handler;
|
||||
window_frame_handler_t frame_handler;
|
||||
|
||||
void *user_data;
|
||||
};
|
||||
|
||||
|
|
@ -88,10 +100,65 @@ rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius)
|
|||
cairo_close_path(cr);
|
||||
}
|
||||
|
||||
static const cairo_user_data_key_t surface_data_key;
|
||||
struct surface_data {
|
||||
EGLImageKHR image;
|
||||
GLuint texture;
|
||||
EGLDisplay dpy;
|
||||
};
|
||||
|
||||
static void
|
||||
surface_data_destroy(void *p)
|
||||
{
|
||||
struct surface_data *data = p;
|
||||
|
||||
glDeleteTextures(1, &data->texture);
|
||||
eglDestroyImageKHR(data->dpy, data->image);
|
||||
}
|
||||
|
||||
cairo_surface_t *
|
||||
window_create_surface(struct window *window,
|
||||
struct rectangle *rectangle)
|
||||
{
|
||||
struct surface_data *data;
|
||||
EGLDisplay dpy = window->display->dpy;
|
||||
cairo_surface_t *surface;
|
||||
|
||||
EGLint image_attribs[] = {
|
||||
EGL_WIDTH, 0,
|
||||
EGL_HEIGHT, 0,
|
||||
EGL_IMAGE_FORMAT_MESA, EGL_IMAGE_FORMAT_ARGB8888_MESA,
|
||||
EGL_IMAGE_USE_MESA, EGL_IMAGE_USE_SCANOUT_MESA,
|
||||
EGL_NONE
|
||||
};
|
||||
|
||||
data = malloc(sizeof *data);
|
||||
image_attribs[1] = rectangle->width;
|
||||
image_attribs[3] = rectangle->height;
|
||||
data->image = eglCreateDRMImageMESA(dpy, image_attribs);
|
||||
glGenTextures(1, &data->texture);
|
||||
data->dpy = dpy;
|
||||
glBindTexture(GL_TEXTURE_2D, data->texture);
|
||||
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, data->image);
|
||||
|
||||
surface = cairo_gl_surface_create_for_texture(window->display->device,
|
||||
CAIRO_CONTENT_COLOR_ALPHA,
|
||||
data->texture,
|
||||
rectangle->width,
|
||||
rectangle->height);
|
||||
|
||||
cairo_surface_set_user_data (surface, &surface_data_key,
|
||||
data, surface_data_destroy);
|
||||
|
||||
return surface;
|
||||
}
|
||||
|
||||
static void
|
||||
window_attach_surface(struct window *window)
|
||||
{
|
||||
struct wl_visual *visual;
|
||||
struct surface_data *data;
|
||||
EGLint name, stride;
|
||||
|
||||
if (window->pending_surface != NULL)
|
||||
return;
|
||||
|
|
@ -99,12 +166,15 @@ window_attach_surface(struct window *window)
|
|||
window->pending_surface =
|
||||
cairo_surface_reference(window->cairo_surface);
|
||||
|
||||
data = cairo_surface_get_user_data (window->cairo_surface, &surface_data_key);
|
||||
eglExportDRMImageMESA(window->display->dpy, data->image, &name, NULL, &stride);
|
||||
|
||||
visual = wl_display_get_premultiplied_argb_visual(window->display->display);
|
||||
wl_surface_attach(window->surface,
|
||||
cairo_drm_surface_get_name(window->cairo_surface),
|
||||
name,
|
||||
window->allocation.width,
|
||||
window->allocation.height,
|
||||
cairo_drm_surface_get_stride(window->cairo_surface),
|
||||
stride,
|
||||
visual);
|
||||
|
||||
wl_surface_map(window->surface,
|
||||
|
|
@ -136,10 +206,7 @@ window_draw_decorations(struct window *window)
|
|||
int shadow_dx = 4, shadow_dy = 4;
|
||||
|
||||
window->cairo_surface =
|
||||
cairo_drm_surface_create(window->display->device,
|
||||
CAIRO_CONTENT_COLOR_ALPHA,
|
||||
window->allocation.width,
|
||||
window->allocation.height);
|
||||
window_create_surface(window, &window->allocation);
|
||||
|
||||
outline = cairo_pattern_create_rgb(0.1, 0.1, 0.1);
|
||||
bright = cairo_pattern_create_rgb(0.8, 0.8, 0.8);
|
||||
|
|
@ -228,10 +295,7 @@ static void
|
|||
window_draw_fullscreen(struct window *window)
|
||||
{
|
||||
window->cairo_surface =
|
||||
cairo_drm_surface_create(window->display->device,
|
||||
CAIRO_CONTENT_COLOR_ALPHA,
|
||||
window->allocation.width,
|
||||
window->allocation.height);
|
||||
window_create_surface(window, &window->allocation);
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -240,7 +304,7 @@ window_draw(struct window *window)
|
|||
if (window->cairo_surface != NULL)
|
||||
cairo_surface_destroy(window->cairo_surface);
|
||||
|
||||
if (window->fullscreen)
|
||||
if (window->fullscreen || !window->decoration)
|
||||
window_draw_fullscreen(window);
|
||||
else
|
||||
window_draw_decorations(window);
|
||||
|
|
@ -248,6 +312,12 @@ window_draw(struct window *window)
|
|||
window->new_surface = 1;
|
||||
}
|
||||
|
||||
cairo_surface_t *
|
||||
window_get_surface(struct window *window)
|
||||
{
|
||||
return window->cairo_surface;
|
||||
}
|
||||
|
||||
static void
|
||||
window_handle_acknowledge(void *data,
|
||||
struct wl_compositor *compositor,
|
||||
|
|
@ -273,6 +343,10 @@ window_handle_frame(void *data,
|
|||
struct wl_compositor *compositor,
|
||||
uint32_t frame, uint32_t timestamp)
|
||||
{
|
||||
struct window *window = data;
|
||||
|
||||
if (window->frame_handler)
|
||||
(*window->frame_handler)(window, frame, timestamp, window->user_data);
|
||||
}
|
||||
|
||||
static const struct wl_compositor_listener compositor_listener = {
|
||||
|
|
@ -554,7 +628,7 @@ void
|
|||
window_get_child_rectangle(struct window *window,
|
||||
struct rectangle *rectangle)
|
||||
{
|
||||
if (window->fullscreen) {
|
||||
if (window->fullscreen && !window->decoration) {
|
||||
*rectangle = window->allocation;
|
||||
} else {
|
||||
rectangle->x = window->margin + 10;
|
||||
|
|
@ -574,38 +648,11 @@ 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->display->device,
|
||||
CAIRO_CONTENT_COLOR_ALPHA,
|
||||
rectangle->width,
|
||||
rectangle->height);
|
||||
}
|
||||
|
||||
void
|
||||
window_copy(struct window *window,
|
||||
struct rectangle *rectangle,
|
||||
uint32_t name, uint32_t stride)
|
||||
window_copy_image(struct window *window,
|
||||
struct rectangle *rectangle, EGLImageKHR image)
|
||||
{
|
||||
cairo_surface_t *surface;
|
||||
cairo_t *cr;
|
||||
|
||||
surface = cairo_drm_surface_create_for_name (window->display->device,
|
||||
name, CAIRO_FORMAT_ARGB32,
|
||||
rectangle->width, rectangle->height,
|
||||
stride);
|
||||
|
||||
cr = cairo_create (window->cairo_surface);
|
||||
|
||||
cairo_set_source_surface (cr,
|
||||
surface,
|
||||
rectangle->x, rectangle->y);
|
||||
|
||||
cairo_paint (cr);
|
||||
cairo_destroy (cr);
|
||||
cairo_surface_destroy (surface);
|
||||
/* set image as read buffer, copy pixels or something... */
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -637,6 +684,12 @@ window_set_fullscreen(struct window *window, int fullscreen)
|
|||
}
|
||||
}
|
||||
|
||||
void
|
||||
window_set_decoration(struct window *window, int decoration)
|
||||
{
|
||||
window->decoration = decoration;
|
||||
}
|
||||
|
||||
void
|
||||
window_set_resize_handler(struct window *window,
|
||||
window_resize_handler_t handler, void *data)
|
||||
|
|
@ -653,6 +706,14 @@ window_set_key_handler(struct window *window,
|
|||
window->user_data = data;
|
||||
}
|
||||
|
||||
void
|
||||
window_set_frame_handler(struct window *window,
|
||||
window_frame_handler_t handler, void *data)
|
||||
{
|
||||
window->frame_handler = handler;
|
||||
window->user_data = data;
|
||||
}
|
||||
|
||||
void
|
||||
window_set_keyboard_focus_handler(struct window *window,
|
||||
window_keyboard_focus_handler_t handler, void *data)
|
||||
|
|
@ -661,6 +722,19 @@ window_set_keyboard_focus_handler(struct window *window,
|
|||
window->user_data = data;
|
||||
}
|
||||
|
||||
void
|
||||
window_move(struct window *window, int32_t x, int32_t y)
|
||||
{
|
||||
window->allocation.x = x;
|
||||
window->allocation.y = y;
|
||||
|
||||
wl_surface_map(window->surface,
|
||||
window->allocation.x - window->margin,
|
||||
window->allocation.y - window->margin,
|
||||
window->allocation.width,
|
||||
window->allocation.height);
|
||||
}
|
||||
|
||||
struct window *
|
||||
window_create(struct display *display, const char *title,
|
||||
int32_t x, int32_t y, int32_t width, int32_t height)
|
||||
|
|
@ -728,14 +802,57 @@ display_handle_global(struct wl_display *display,
|
|||
struct display *
|
||||
display_create(struct wl_display *display, int fd)
|
||||
{
|
||||
PFNEGLGETTYPEDDISPLAYMESA get_typed_display_mesa;
|
||||
struct display *d;
|
||||
EGLint major, minor, count;
|
||||
EGLConfig config;
|
||||
|
||||
static const EGLint config_attribs[] = {
|
||||
EGL_SURFACE_TYPE, 0,
|
||||
EGL_NO_SURFACE_CAPABLE_MESA, EGL_OPENGL_BIT,
|
||||
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
|
||||
EGL_NONE
|
||||
};
|
||||
|
||||
d = malloc(sizeof *d);
|
||||
if (d == NULL)
|
||||
return NULL;
|
||||
|
||||
get_typed_display_mesa =
|
||||
(PFNEGLGETTYPEDDISPLAYMESA) eglGetProcAddress("eglGetTypedDisplayMESA");
|
||||
if (get_typed_display_mesa == NULL) {
|
||||
fprintf(stderr, "eglGetDisplayMESA() not found\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
d->dpy = get_typed_display_mesa(EGL_DRM_DISPLAY_TYPE_MESA,
|
||||
(void *) fd);
|
||||
if (!eglInitialize(d->dpy, &major, &minor)) {
|
||||
fprintf(stderr, "failed to initialize display\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!eglChooseConfig(d->dpy, config_attribs, &config, 1, &count) ||
|
||||
count == 0) {
|
||||
fprintf(stderr, "eglChooseConfig() failed\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
eglBindAPI(EGL_OPENGL_API);
|
||||
|
||||
d->ctx = eglCreateContext(d->dpy, config, EGL_NO_CONTEXT, NULL);
|
||||
if (d->ctx == NULL) {
|
||||
fprintf(stderr, "failed to create context\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!eglMakeCurrent(d->dpy, NULL, NULL, d->ctx)) {
|
||||
fprintf(stderr, "faile to make context current\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
d->display = display;
|
||||
d->device = cairo_drm_device_get_for_fd(fd);
|
||||
d->device = cairo_egl_device_create(d->dpy, d->ctx);
|
||||
if (d->device == NULL) {
|
||||
fprintf(stderr, "failed to get cairo drm device\n");
|
||||
return NULL;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue