#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
+#include <cairo.h>
#include <png.h>
#include "wayland.h"
+#include "cairo-util.h"
#include <GL/gl.h>
#include <eagle.h>
#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
+struct pointer {
+ struct wl_map map;
+ GLuint texture;
+};
+
struct egl_compositor {
struct wl_compositor base;
EGLDisplay display;
struct wl_display *wl_display;
int gem_fd;
int width, height;
+ struct pointer *pointer;
};
struct surface_data {
}
static void
+pointer_path(cairo_t *cr, int x, int y)
+{
+ const int end = 3, tx = 4, ty = 12, dx = 5, dy = 10;
+ const int width = 16, height = 16;
+
+ cairo_move_to(cr, x, y);
+ cairo_line_to(cr, x + tx, y + ty);
+ cairo_line_to(cr, x + dx, y + dy);
+ cairo_line_to(cr, x + width - end, y + height);
+ cairo_line_to(cr, x + width, y + height - end);
+ cairo_line_to(cr, x + dy, y + dx);
+ cairo_line_to(cr, x + ty, y + tx);
+ cairo_close_path(cr);
+}
+
+static struct pointer *
+pointer_create(int x, int y, int width, int height)
+{
+ const int hotspot_x = 16, hotspot_y = 16;
+ struct pointer *pointer;
+ cairo_surface_t *surface;
+ cairo_t *cr;
+ int stride;
+ void *data;
+
+ pointer = malloc(sizeof *pointer);
+ if (pointer == NULL)
+ return NULL;
+
+ surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
+ width, height);
+
+ cr = cairo_create(surface);
+ pointer_path(cr, hotspot_x + 5, hotspot_y + 4);
+ cairo_set_line_width (cr, 2);
+ cairo_set_source_rgb(cr, 0, 0, 0);
+ cairo_stroke_preserve(cr);
+ cairo_fill(cr);
+ blur_surface(surface, width);
+
+ pointer_path(cr, hotspot_x, hotspot_y);
+ cairo_stroke_preserve(cr);
+ cairo_set_source_rgb(cr, 1, 1, 1);
+ cairo_fill(cr);
+ cairo_destroy(cr);
+
+ stride = cairo_image_surface_get_stride(surface);
+ data = cairo_image_surface_get_data(surface);
+
+ glGenTextures(1, &pointer->texture);
+ glBindTexture(GL_TEXTURE_2D, pointer->texture);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0,
+ GL_BGRA, GL_UNSIGNED_BYTE, data);
+
+ cairo_surface_destroy(surface);
+
+ pointer->map.x = x;
+ pointer->map.y = y;
+ pointer->map.width = width;
+ pointer->map.height = height;
+
+ return pointer;
+}
+
+static void
+pointer_destroy(struct pointer *pointer)
+{
+ glDeleteTextures(1, &pointer->texture);
+ free(pointer);
+}
+
+static void
+draw_surface(struct wl_map *map, GLuint texture)
+{
+ GLint vertices[12];
+ GLint tex_coords[12] = { 0, 0, 0, 1, 1, 0, 1, 1 };
+ GLuint indices[4] = { 0, 1, 2, 3 };
+
+ vertices[0] = map->x;
+ vertices[1] = map->y;
+ vertices[2] = 0;
+
+ vertices[3] = map->x;
+ vertices[4] = map->y + map->height;
+ vertices[5] = 0;
+
+ vertices[6] = map->x + map->width;
+ vertices[7] = map->y;
+ vertices[8] = 0;
+
+ vertices[9] = map->x + map->width;
+ vertices[10] = map->y + map->height;
+ vertices[11] = 0;
+
+ glBindTexture(GL_TEXTURE_2D, texture);
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_BLEND);
+ /* Assume pre-multiplied alpha for now, this probably
+ * needs to be a wayland visual type of thing. */
+ glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+ glVertexPointer(3, GL_INT, 0, vertices);
+ glTexCoordPointer(2, GL_INT, 0, tex_coords);
+ glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_INT, indices);
+}
+
+static void
repaint(void *data)
{
struct egl_compositor *ec = data;
struct wl_surface_iterator *iterator;
struct wl_surface *surface;
struct surface_data *sd;
- GLint vertices[12];
- GLint tex_coords[12] = { 0, 0, 0, 1, 1, 0, 1, 1 };
- GLuint indices[4] = { 0, 1, 2, 3 };
iterator = wl_surface_iterator_create(ec->wl_display, 0);
while (wl_surface_iterator_next(iterator, &surface)) {
if (sd == NULL)
continue;
- vertices[0] = sd->map.x;
- vertices[1] = sd->map.y;
- vertices[2] = 0;
-
- vertices[3] = sd->map.x;
- vertices[4] = sd->map.y + sd->map.height;
- vertices[5] = 0;
-
- vertices[6] = sd->map.x + sd->map.width;
- vertices[7] = sd->map.y;
- vertices[8] = 0;
-
- vertices[9] = sd->map.x + sd->map.width;
- vertices[10] = sd->map.y + sd->map.height;
- vertices[11] = 0;
-
- glBindTexture(GL_TEXTURE_2D, sd->texture);
- glEnable(GL_TEXTURE_2D);
- glEnable(GL_BLEND);
- /* Assume pre-multiplied alpha for now, this probably
- * needs to be a wayland visual type of thing. */
- glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
-
- glEnableClientState(GL_VERTEX_ARRAY);
- glEnableClientState(GL_TEXTURE_COORD_ARRAY);
- glVertexPointer(3, GL_INT, 0, vertices);
- glTexCoordPointer(2, GL_INT, 0, tex_coords);
- glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_INT, indices);
+ draw_surface(&sd->map, sd->texture);
}
wl_surface_iterator_destroy(iterator);
+ draw_surface(&ec->pointer->map, ec->pointer->texture);
+
eglSwapBuffers(ec->display, ec->surface);
if (do_screenshot) {
schedule_repaint(ec);
}
+static void
+notify_pointer_motion(struct wl_compositor *compositor,
+ struct wl_object *source, int x, int y)
+{
+ struct egl_compositor *ec = (struct egl_compositor *) compositor;
+
+ ec->pointer->map.x = x;
+ ec->pointer->map.y = y;
+ schedule_repaint(ec);
+}
+
static const struct wl_compositor_interface interface = {
notify_surface_create,
notify_surface_destroy,
notify_surface_attach,
notify_surface_map,
notify_surface_copy,
- notify_surface_damage
+ notify_surface_damage,
+ notify_pointer_motion
};
static const char gem_device[] = "/dev/dri/card0";
glMatrixMode(GL_MODELVIEW);
glClearColor(0.0, 0.05, 0.2, 0.0);
+ ec->pointer = pointer_create(100, 100, 64, 64);
+
ec->gem_fd = open(gem_device, O_RDWR);
if (ec->gem_fd < 0) {
fprintf(stderr, "failed to open drm device\n");
projects / platform / upstream / weston.git / commitdiff