From: Kristian Høgsberg Date: Sun, 9 Nov 2008 03:46:30 +0000 (-0500) Subject: Factor out common cairo code, add blur function. X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2f2cfae227d0ea9c8f811b257ca1190bfcc3d845;p=platform%2Fupstream%2Fweston.git Factor out common cairo code, add blur function. --- diff --git a/Makefile b/Makefile index 68da5f6..122a85e 100644 --- a/Makefile +++ b/Makefile @@ -45,9 +45,9 @@ libwayland.so $(compositors) : gcc -o $@ $^ $(LDLIBS) -shared flower_objs = flower.o wayland-glib.o -pointer_objs = pointer.o wayland-glib.o +pointer_objs = pointer.o wayland-glib.o cairo-util.o background_objs = background.o wayland-glib.o -window_objs = window.o gears.o wayland-glib.o +window_objs = window.o gears.o wayland-glib.o cairo-util.o $(clients) : CFLAGS += $(shell pkg-config --cflags cairo glib-2.0) $(clients) : LDLIBS += $(shell pkg-config --libs cairo glib-2.0) -lrt diff --git a/cairo-util.c b/cairo-util.c new file mode 100644 index 0000000..4891f87 --- /dev/null +++ b/cairo-util.c @@ -0,0 +1,176 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include "cairo-util.h" + +struct buffer * +buffer_create(int fd, int width, int height, int stride) +{ + struct buffer *buffer; + struct drm_i915_gem_create create; + struct drm_gem_flink flink; + + buffer = malloc(sizeof *buffer); + buffer->width = width; + buffer->height = height; + buffer->stride = stride; + + memset(&create, 0, sizeof(create)); + create.size = height * stride; + + if (ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create) != 0) { + fprintf(stderr, "gem create failed: %m\n"); + free(buffer); + return NULL; + } + + flink.handle = create.handle; + if (ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink) != 0) { + fprintf(stderr, "gem flink failed: %m\n"); + free(buffer); + return 0; + } + + buffer->handle = flink.handle; + buffer->name = flink.name; + + return buffer; +} + +int +buffer_destroy(struct buffer *buffer, int fd) +{ + struct drm_gem_close close; + + close.handle = buffer->handle; + if (ioctl(fd, DRM_IOCTL_GEM_CLOSE, &close) < 0) { + fprintf(stderr, "gem close failed: %m\n"); + return -1; + } + + free(buffer); + + return 0; +} + +int +buffer_data(struct buffer *buffer, int fd, void *data) +{ + struct drm_i915_gem_pwrite pwrite; + + pwrite.handle = buffer->handle; + pwrite.offset = 0; + pwrite.size = buffer->height * buffer->stride; + pwrite.data_ptr = (uint64_t) (uintptr_t) data; + + if (ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite) < 0) { + fprintf(stderr, "gem pwrite failed: %m\n"); + return -1; + } + + return 0; +} + +struct buffer * +buffer_create_from_cairo_surface(int fd, cairo_surface_t *surface) +{ + struct buffer *buffer; + int32_t width, height, stride; + void *data; + + width = cairo_image_surface_get_width(surface); + height = cairo_image_surface_get_height(surface); + stride = cairo_image_surface_get_stride(surface); + data = cairo_image_surface_get_data(surface); + + buffer = buffer_create(fd, width, height, stride); + if (buffer == NULL) + return NULL; + + if (buffer_data(buffer, fd, data) < 0) { + buffer_destroy(buffer, fd); + return NULL; + } + + return buffer; +} + +void +blur_surface(cairo_surface_t *surface) +{ + cairo_surface_t *tmp; + int32_t width, height, stride, x, y, z, w; + uint8_t *src, *dst; + uint32_t *s, *d, a, p; + int i, j, k, size = 23, half; + uint8_t kernel[100]; + double f; + + width = cairo_image_surface_get_width(surface); + height = cairo_image_surface_get_height(surface); + stride = cairo_image_surface_get_stride(surface); + src = cairo_image_surface_get_data(surface); + + tmp = cairo_image_surface_create(CAIRO_FORMAT_RGB24, width, height); + dst = cairo_image_surface_get_data(tmp); + + half = size / 2; + a = 0; + for (i = 0; i < size; i++) { + f = (i - half); + kernel[i] = exp(- f * f / 30.0) * 80; + a += kernel[i]; + } + + for (i = 0; i < height; i++) { + s = (uint32_t *) (src + i * stride); + d = (uint32_t *) (dst + i * stride); + for (j = 0; j < width; j++) { + x = 0; + y = 0; + z = 0; + w = 0; + for (k = 0; k < size; k++) { + if (j - half + k < 0 || j - half + k >= width) + continue; + p = s[j - half + k]; + + x += (p >> 24) * kernel[k]; + y += ((p >> 16) & 0xff) * kernel[k]; + z += ((p >> 8) & 0xff) * kernel[k]; + w += (p & 0xff) * kernel[k]; + } + d[j] = (x / a << 24) | (y / a << 16) | (z / a << 8) | w / a; + } + } + + for (i = 0; i < height; i++) { + s = (uint32_t *) (dst + i * stride); + d = (uint32_t *) (src + i * stride); + for (j = 0; j < width; j++) { + x = 0; + y = 0; + z = 0; + w = 0; + for (k = 0; k < size; k++) { + if (i - half + k < 0 || i - half + k >= height) + continue; + s = (uint32_t *) (dst + (i - half + k) * stride); + p = s[j]; + + x += (p >> 24) * kernel[k]; + y += ((p >> 16) & 0xff) * kernel[k]; + z += ((p >> 8) & 0xff) * kernel[k]; + w += (p & 0xff) * kernel[k]; + } + d[j] = (x / a << 24) | (y / a << 16) | (z / a << 8) | w / a; + } + } + + cairo_surface_destroy(tmp); +} diff --git a/cairo-util.h b/cairo-util.h new file mode 100644 index 0000000..06eac5a --- /dev/null +++ b/cairo-util.h @@ -0,0 +1,24 @@ +#ifndef _CAIRO_UTIL_H +#define _CAIRO_UTIL_H + +struct buffer { + int width, height, stride; + uint32_t name, handle; +}; + +struct buffer * +buffer_create(int fd, int width, int height, int stride); + +int +buffer_destroy(struct buffer *buffer, int fd); + +int +buffer_data(struct buffer *buffer, int fd, void *data); + +struct buffer * +buffer_create_from_cairo_surface(int fd, cairo_surface_t *surface); + +void +blur_surface(cairo_surface_t *surface); + +#endif diff --git a/pointer.c b/pointer.c index 826d9c1..2544388 100644 --- a/pointer.c +++ b/pointer.c @@ -2,8 +2,6 @@ #include #include #include -#include -#include #include #include #include @@ -13,64 +11,31 @@ #include "wayland-client.h" #include "wayland-glib.h" +#include "cairo-util.h" + static const char gem_device[] = "/dev/dri/card0"; static const char socket_name[] = "\0wayland"; -static uint32_t name_cairo_surface(int fd, cairo_surface_t *surface) +static void +pointer_path(cairo_t *cr, int x, int y) { - struct drm_i915_gem_create create; - struct drm_gem_flink flink; - struct drm_i915_gem_pwrite pwrite; - int32_t width, height, stride; - void *data; - - width = cairo_image_surface_get_width(surface); - height = cairo_image_surface_get_height(surface); - stride = cairo_image_surface_get_stride(surface); - data = cairo_image_surface_get_data(surface); - - memset(&create, 0, sizeof(create)); - create.size = height * stride; - - if (ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create) != 0) { - fprintf(stderr, "gem create failed: %m\n"); - return 0; - } - - pwrite.handle = create.handle; - pwrite.offset = 0; - pwrite.size = height * stride; - pwrite.data_ptr = (uint64_t) (uintptr_t) data; - if (ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite) < 0) { - fprintf(stderr, "gem pwrite failed: %m\n"); - return 0; - } - - flink.handle = create.handle; - if (ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink) != 0) { - fprintf(stderr, "gem flink failed: %m\n"); - return 0; - } - -#if 0 - /* We need to hold on to the handle until the server has received - * the attach request... we probably need a confirmation event. - * I guess the breadcrumb idea will suffice. */ - struct drm_gem_close close; - close.handle = create.handle; - if (ioctl(fd, DRM_IOCTL_GEM_CLOSE, &close) < 0) { - fprintf(stderr, "gem close failed: %m\n"); - return 0; - } -#endif - - return flink.name; + const int end = 4, tx = 2, ty = 7, dx = 3, dy = 5; + 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 void * draw_pointer(int width, int height) { - const int d = 2, end = 6, tx = 2, ty = 7, dx = 3, dy = 5; + const int hotspot_x = 16, hotspot_y = 16; cairo_surface_t *surface; cairo_t *cr; @@ -78,20 +43,17 @@ draw_pointer(int width, int height) width, height); cr = cairo_create(surface); - cairo_set_line_width (cr, d); - cairo_move_to(cr, d, d); - cairo_line_to(cr, d + tx, d + ty); - cairo_line_to(cr, d + dx, d + dy); - cairo_line_to(cr, width - end, height - d); - cairo_line_to(cr, width - d, height - end); - cairo_line_to(cr, d + dy, d + dx); - cairo_line_to(cr, d + ty, d + tx); - cairo_close_path(cr); + pointer_path(cr, hotspot_x + 3, hotspot_y + 2); + cairo_set_line_width (cr, 2); cairo_set_source_rgb(cr, 0, 0, 0); cairo_stroke_preserve(cr); - cairo_set_source_rgb(cr, 1, 1, 1); cairo_fill(cr); + blur_surface(surface); + 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); return surface; @@ -118,10 +80,10 @@ int main(int argc, char *argv[]) struct wl_display *display; struct pointer pointer; int fd; - uint32_t name; cairo_surface_t *s; GMainLoop *loop; GSource *source; + struct buffer *buffer; fd = open(gem_device, O_RDWR); if (fd < 0) { @@ -139,16 +101,15 @@ int main(int argc, char *argv[]) source = wayland_source_new(display); g_source_attach(source, NULL); - pointer.width = 16; - pointer.height = 16; + pointer.width = 48; + pointer.height = 48; pointer.surface = wl_display_create_surface(display); s = draw_pointer(pointer.width, pointer.height); - name = name_cairo_surface(fd, s); + buffer = buffer_create_from_cairo_surface(fd, s); - wl_surface_attach(pointer.surface, name, - pointer.width, pointer.height, - cairo_image_surface_get_stride(s)); + wl_surface_attach(pointer.surface, buffer->name, + buffer->width, buffer->height, buffer->stride); wl_surface_map(pointer.surface, 512, 384, pointer.width, pointer.height); wl_display_set_event_handler(display, event_handler, &pointer); diff --git a/window.c b/window.c index 3e173cd..ba8c1c5 100644 --- a/window.c +++ b/window.c @@ -2,8 +2,6 @@ #include #include #include -#include -#include #include #include #include @@ -16,7 +14,9 @@ #include "wayland-client.h" #include "wayland-glib.h" + #include "gears.h" +#include "cairo-util.h" static const char gem_device[] = "/dev/dri/card0"; static const char socket_name[] = "\0wayland"; @@ -27,103 +27,6 @@ static void die(const char *msg) exit(EXIT_FAILURE); } -struct buffer { - int width, height, stride; - uint32_t name, handle; -}; - -static struct buffer * -buffer_create(int fd, int width, int height, int stride) -{ - struct buffer *buffer; - struct drm_i915_gem_create create; - struct drm_gem_flink flink; - - buffer = malloc(sizeof *buffer); - buffer->width = width; - buffer->height = height; - buffer->stride = stride; - - memset(&create, 0, sizeof(create)); - create.size = height * stride; - - if (ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create) != 0) { - fprintf(stderr, "gem create failed: %m\n"); - free(buffer); - return NULL; - } - - flink.handle = create.handle; - if (ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink) != 0) { - fprintf(stderr, "gem flink failed: %m\n"); - free(buffer); - return 0; - } - - buffer->handle = flink.handle; - buffer->name = flink.name; - - return buffer; -} - -static int -buffer_destroy(struct buffer *buffer, int fd) -{ - struct drm_gem_close close; - - close.handle = buffer->handle; - if (ioctl(fd, DRM_IOCTL_GEM_CLOSE, &close) < 0) { - fprintf(stderr, "gem close failed: %m\n"); - return -1; - } - - free(buffer); - - return 0; -} - -static int -buffer_data(struct buffer *buffer, int fd, void *data) -{ - struct drm_i915_gem_pwrite pwrite; - - pwrite.handle = buffer->handle; - pwrite.offset = 0; - pwrite.size = buffer->height * buffer->stride; - pwrite.data_ptr = (uint64_t) (uintptr_t) data; - - if (ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite) < 0) { - fprintf(stderr, "gem pwrite failed: %m\n"); - return -1; - } - - return 0; -} - -static struct buffer * -buffer_create_from_cairo_surface(int fd, cairo_surface_t *surface) -{ - struct buffer *buffer; - int32_t width, height, stride; - void *data; - - width = cairo_image_surface_get_width(surface); - height = cairo_image_surface_get_height(surface); - stride = cairo_image_surface_get_stride(surface); - data = cairo_image_surface_get_data(surface); - - buffer = buffer_create(fd, width, height, stride); - if (buffer == NULL) - return NULL; - - if (buffer_data(buffer, fd, data) < 0) { - buffer_destroy(buffer, fd); - return NULL; - } - - return buffer; -} - struct window { struct wl_surface *surface; int x, y, width, height; @@ -172,13 +75,23 @@ draw_window(void *data) const static char title[] = "Wayland First Post"; surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, - window->width, window->height); + window->width + 32, window->height + 32); outline = cairo_pattern_create_rgb(0.1, 0.1, 0.1); bright = cairo_pattern_create_rgb(0.6, 0.6, 0.6); dim = cairo_pattern_create_rgb(0.4, 0.4, 0.4); cr = cairo_create(surface); + + cairo_translate(cr, 16 + 5, 16 + 3); + cairo_set_line_width (cr, border); + cairo_set_source_rgba(cr, 0, 0, 0, 0.5); + rounded_rect(cr, 1, 1, window->width - 1, window->height - 1, radius); + cairo_stroke_preserve(cr); + cairo_fill(cr); + blur_surface(surface); + + cairo_translate(cr, -5, -3); cairo_set_line_width (cr, border); rounded_rect(cr, 1, 1, window->width - 1, window->height - 1, radius); cairo_set_source(cr, outline); @@ -301,7 +214,7 @@ event_handler(struct wl_display *display, window->x = window->drag_x + arg1; window->y = window->drag_y + arg2; wl_surface_map(window->surface, window->x, window->y, - window->width, window->height); + window->buffer->width, window->buffer->height); break; case WINDOW_RESIZING_LOWER_RIGHT: window->width = window->drag_x + arg1;