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@ -15,6 +15,7 @@ |
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#include <png.h> |
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#include <math.h> |
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#include <linux/input.h> |
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#include <xf86drmMode.h> |
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#include "wayland.h" |
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#include "cairo-util.h" |
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@ -711,6 +712,98 @@ create_input_devices(struct wl_display *display) |
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wl_display_add_object(display, obj); |
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} |
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static uint32_t |
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create_frontbuffer(int fd, int *width, int *height, int *stride) |
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{ |
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drmModeConnector *connector; |
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drmModeRes *resources; |
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drmModeEncoder *encoder; |
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struct drm_mode_modeinfo *mode; |
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struct drm_i915_gem_create create; |
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struct drm_i915_gem_pin pin; |
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struct drm_gem_flink flink; |
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unsigned int fb_id; |
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int i, ret; |
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resources = drmModeGetResources(fd); |
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if (!resources) { |
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fprintf(stderr, "drmModeGetResources failed\n"); |
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return 0; |
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} |
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for (i = 0; i < resources->count_connectors; i++) { |
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connector = drmModeGetConnector(fd, resources->connectors[i]); |
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if (connector == NULL) |
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continue; |
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if (connector->connection == DRM_MODE_CONNECTED && |
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connector->count_modes > 0) |
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break; |
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drmModeFreeConnector(connector); |
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} |
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if (i == resources->count_connectors) { |
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fprintf(stderr, "No currently active connector found.\n"); |
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return -1; |
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} |
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mode = &connector->modes[0]; |
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for (i = 0; i < resources->count_encoders; i++) { |
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encoder = drmModeGetEncoder(fd, resources->encoders[i]); |
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if (encoder == NULL) |
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continue; |
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if (encoder->encoder_id == connector->encoder_id) |
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break; |
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drmModeFreeEncoder(encoder); |
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} |
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/* Mode size at 32 bpp */ |
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create.size = mode->hdisplay * mode->vdisplay * 4; |
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if (ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create) != 0) { |
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fprintf(stderr, "gem create failed: %m\n"); |
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return 0; |
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} |
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pin.handle = create.handle; |
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pin.alignment = 4096; |
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if (ioctl(fd, DRM_IOCTL_I915_GEM_PIN, &pin)) { |
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fprintf(stderr, "failed to pin buffer: %m\n"); |
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return 0; |
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} |
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ret = drmModeAddFB(fd, mode->hdisplay, mode->vdisplay, |
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32, 32, mode->hdisplay * 4, create.handle, &fb_id); |
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if (ret) { |
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fprintf(stderr, "failed to add fb: %m\n"); |
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return 0; |
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} |
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ret = drmModeSetCrtc(fd, encoder->crtc_id, fb_id, 0, 0, |
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&connector->connector_id, 1, mode); |
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if (ret) { |
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fprintf(stderr, "failed to set mode: %m\n"); |
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return 0; |
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} |
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flink.handle = create.handle; |
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if (ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink) != 0) { |
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fprintf(stderr, "gem flink failed: %m\n"); |
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return 0; |
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} |
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*width = mode->hdisplay; |
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*height = mode->vdisplay; |
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*stride = mode->hdisplay * 4; |
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return flink.name; |
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} |
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static const char gem_device[] = "/dev/dri/card0"; |
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WL_EXPORT struct wl_compositor * |
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@ -721,14 +814,15 @@ wl_compositor_create(struct wl_display *display) |
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struct egl_compositor *ec; |
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const char *filename; |
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struct screenshooter *shooter; |
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uint32_t fb_name; |
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int stride; |
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const static EGLint attribs[] = |
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{ EGL_RENDER_BUFFER, EGL_BACK_BUFFER, EGL_NONE }; |
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ec = malloc(sizeof *ec); |
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if (ec == NULL) |
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return NULL; |
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ec->width = 1280; |
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ec->height = 800; |
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ec->base.interface = &interface; |
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ec->wl_display = display; |
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@ -747,10 +841,12 @@ wl_compositor_create(struct wl_display *display) |
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fprintf(stderr, "failed to get configs\n"); |
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return NULL; |
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} |
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ec->config = configs[24]; |
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ec->surface = eglCreateSurfaceNative(ec->display, ec->config, |
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0, 0, ec->width, ec->height); |
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fb_name = create_frontbuffer(eglGetDisplayFD(ec->display), |
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&ec->width, &ec->height, &stride); |
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ec->surface = eglCreateSurfaceForName(ec->display, ec->config, |
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fb_name, ec->width, ec->height, stride, attribs); |
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if (ec->surface == NULL) { |
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fprintf(stderr, "failed to create surface\n"); |
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return NULL; |
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