* limitations under the License.
*/
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#define LOG_TAG "hwcomposer-drm"
-#include <fcntl.h>
+#include "drm_hwcomposer.h"
+#include "drmresources.h"
+#include "gl_compositor.h"
+#include "importer.h"
+#include "vsyncworker.h"
+
#include <errno.h>
+#include <fcntl.h>
#include <list>
+#include <map>
+#include <pthread.h>
+#include <stdlib.h>
#include <sys/param.h>
#include <sys/resource.h>
-#include <pthread.h>
-
-#include <cutils/log.h>
-
#include <xf86drm.h>
#include <xf86drmMode.h>
+#include <cutils/log.h>
+#include <cutils/properties.h>
#include <hardware/hardware.h>
#include <hardware/hwcomposer.h>
-
-#include <cutils/properties.h>
-#include <sync/sync.h>
#include <sw_sync.h>
+#include <sync/sync.h>
+#include <ui/GraphicBuffer.h>
+#include <ui/PixelFormat.h>
+#include <utils/Trace.h>
-#include "drm_hwcomposer.h"
-
-#define ARRAY_SIZE(arr) (int)(sizeof(arr) / sizeof((arr)[0]))
-
-#define HWCOMPOSER_DRM_DEVICE "/dev/dri/card0"
-#define MAX_NUM_DISPLAYS 3
#define UM_PER_INCH 25400
-
-static const uint32_t panel_types[] = {
- DRM_MODE_CONNECTOR_LVDS,
- DRM_MODE_CONNECTOR_eDP,
- DRM_MODE_CONNECTOR_DSI,
-};
-
-struct hwc_worker {
- pthread_t thread;
- pthread_mutex_t lock;
- pthread_cond_t cond;
- bool exit;
+#define HWC_FB_BUFFERS 3
+
+namespace android {
+
+struct hwc_drm_display_framebuffer {
+ hwc_drm_display_framebuffer() : release_fence_fd_(-1) {
+ }
+
+ ~hwc_drm_display_framebuffer() {
+ if (release_fence_fd() >= 0)
+ close(release_fence_fd());
+ }
+
+ bool is_valid() {
+ return buffer_ != NULL;
+ }
+
+ sp<GraphicBuffer> buffer() {
+ return buffer_;
+ }
+
+ int release_fence_fd() {
+ return release_fence_fd_;
+ }
+
+ void set_release_fence_fd(int fd) {
+ if (release_fence_fd_ >= 0)
+ close(release_fence_fd_);
+ release_fence_fd_ = fd;
+ }
+
+ bool Allocate(uint32_t w, uint32_t h) {
+ if (is_valid()) {
+ if (buffer_->getWidth() == w && buffer_->getHeight() == h)
+ return true;
+
+ if (release_fence_fd_ >= 0) {
+ if (sync_wait(release_fence_fd_, -1) != 0) {
+ return false;
+ }
+ }
+ Clear();
+ }
+ buffer_ = new GraphicBuffer(w, h, android::PIXEL_FORMAT_RGBA_8888,
+ GRALLOC_USAGE_HW_FB | GRALLOC_USAGE_HW_RENDER |
+ GRALLOC_USAGE_HW_COMPOSER);
+ release_fence_fd_ = -1;
+ return is_valid();
+ }
+
+ void Clear() {
+ if (!is_valid())
+ return;
+
+ if (release_fence_fd_ >= 0) {
+ close(release_fence_fd_);
+ release_fence_fd_ = -1;
+ }
+
+ buffer_.clear();
+ }
+
+ int WaitReleased(int timeout_milliseconds) {
+ if (!is_valid())
+ return 0;
+ if (release_fence_fd_ < 0)
+ return 0;
+
+ int ret = sync_wait(release_fence_fd_, timeout_milliseconds);
+ return ret;
+ }
+
+ private:
+ sp<GraphicBuffer> buffer_;
+ int release_fence_fd_;
};
-struct hwc_drm_display {
- struct hwc_context_t *ctx;
- int display;
-
- uint32_t connector_id;
-
- drmModeModeInfoPtr configs;
- uint32_t num_configs;
-
- drmModeModeInfo active_mode;
- uint32_t active_crtc;
- int active_pipe;
- bool initial_modeset_required;
- struct hwc_worker set_worker;
+typedef struct hwc_drm_display {
+ struct hwc_context_t *ctx;
+ int display;
- std::list<struct hwc_drm_bo> buf_queue;
- struct hwc_drm_bo front;
- pthread_mutex_t flip_lock;
- pthread_cond_t flip_cond;
+ std::vector<uint32_t> config_ids;
- int timeline_fd;
- unsigned timeline_next;
+ VSyncWorker vsync_worker;
- bool enable_vsync_events;
- unsigned int vsync_sequence;
-};
+ hwc_drm_display_framebuffer fb_chain[HWC_FB_BUFFERS];
+ int fb_idx;
+} hwc_drm_display_t;
struct hwc_context_t {
- hwc_composer_device_1_t device;
+ // map of display:hwc_drm_display_t
+ typedef std::map<int, hwc_drm_display_t> DisplayMap;
+ typedef DisplayMap::iterator DisplayMapIter;
- int fd;
+ hwc_context_t() : procs(NULL), importer(NULL) {
+ }
- hwc_procs_t const *procs;
- struct hwc_import_context *import_ctx;
+ ~hwc_context_t() {
+ delete importer;
+ }
- struct hwc_drm_display displays[MAX_NUM_DISPLAYS];
- int num_displays;
+ hwc_composer_device_1_t device;
+ hwc_procs_t const *procs;
- struct hwc_worker event_worker;
+ DisplayMap displays;
+ DrmResources drm;
+ Importer *importer;
+ GLCompositor pre_compositor;
};
-static int hwc_get_drm_display(struct hwc_context_t *ctx, int display,
- struct hwc_drm_display **hd)
-{
- if (display >= MAX_NUM_DISPLAYS) {
- ALOGE("Requested display is out-of-bounds %d %d", display,
- MAX_NUM_DISPLAYS);
- return -EINVAL;
- }
- *hd = &ctx->displays[display];
- return 0;
-}
-
-static int hwc_prepare_layer(hwc_layer_1_t *layer)
-{
- /* TODO: We can't handle background right now, defer to sufaceFlinger */
- if (layer->compositionType == HWC_BACKGROUND) {
- layer->compositionType = HWC_FRAMEBUFFER;
- ALOGV("Can't handle background layers yet");
-
- /* TODO: Support sideband compositions */
- } else if (layer->compositionType == HWC_SIDEBAND) {
- layer->compositionType = HWC_FRAMEBUFFER;
- ALOGV("Can't handle sideband content yet");
- }
-
- layer->hints = 0;
-
- /* TODO: Handle cursor by setting compositionType=HWC_CURSOR_OVERLAY */
- if (layer->flags & HWC_IS_CURSOR_LAYER) {
- ALOGV("Can't handle async cursors yet");
- }
-
- /* TODO: Handle transformations */
- if (layer->transform) {
- ALOGV("Can't handle transformations yet");
- }
-
- /* TODO: Handle blending & plane alpha*/
- if (layer->blending == HWC_BLENDING_PREMULT ||
- layer->blending == HWC_BLENDING_COVERAGE) {
- ALOGV("Can't handle blending yet");
- }
-
- /* TODO: Handle cropping & scaling */
-
- return 0;
-}
-
-static int hwc_prepare(hwc_composer_device_1_t */* dev */, size_t num_displays,
- hwc_display_contents_1_t** display_contents)
-{
- int ret = 0, i, j;
-
- /* TODO: Check flags for HWC_GEOMETRY_CHANGED */
-
- for (i = 0; i < (int)num_displays && i < MAX_NUM_DISPLAYS; i++) {
-
- if (!display_contents[i])
- continue;
-
- for (j = 0; j < (int)display_contents[i]->numHwLayers; j++) {
- ret = hwc_prepare_layer(
- &display_contents[i]->hwLayers[j]);
- if (ret) {
- ALOGE("Failed to prepare layer %d:%d", j, i);
- return ret;
- }
- }
- }
-
- return ret;
-}
-
-static int hwc_queue_vblank_event(struct hwc_drm_display *hd)
-{
- drmVBlank vblank;
- int ret;
- uint32_t high_crtc;
- int64_t timestamp;
-
- if (hd->active_pipe == -1) {
- ALOGE("Active pipe is -1 disp=%d", hd->display);
- return -EINVAL;
- }
-
- memset(&vblank, 0, sizeof(vblank));
-
- high_crtc = (hd->active_pipe << DRM_VBLANK_HIGH_CRTC_SHIFT);
- vblank.request.type = (drmVBlankSeqType)(DRM_VBLANK_ABSOLUTE |
- DRM_VBLANK_NEXTONMISS | DRM_VBLANK_EVENT |
- (high_crtc & DRM_VBLANK_HIGH_CRTC_MASK));
- vblank.request.signal = (unsigned long)hd;
- vblank.request.sequence = hd->vsync_sequence + 1;
-
- ret = drmWaitVBlank(hd->ctx->fd, &vblank);
- if (ret) {
- ALOGE("Failed to wait for vblank %d", ret);
- return ret;
- }
-
- return 0;
-}
-
-static void hwc_vblank_event_handler(int /* fd */, unsigned int sequence,
- unsigned int tv_sec, unsigned int tv_usec,
- void *user_data)
-{
- struct hwc_drm_display *hd = (struct hwc_drm_display *)user_data;
- int64_t timestamp;
- int ret;
-
- if (!hd->enable_vsync_events || !hd->ctx->procs->vsync)
- return;
-
- /*
- * Discard duplicate vsync (can happen when enabling vsync events while
- * already processing vsyncs).
- */
- if (sequence <= hd->vsync_sequence)
- return;
-
- hd->vsync_sequence = sequence;
- ret = hwc_queue_vblank_event(hd);
- if (ret)
- ALOGE("Failed to queue vblank event ret=%d", ret);
-
- timestamp = (int64_t)tv_sec * 1000 * 1000 * 1000 +
- (int64_t)tv_usec * 1000;
- hd->ctx->procs->vsync(hd->ctx->procs, hd->display, timestamp);
-}
-
-static void hwc_flip_event_handler(int /* fd */, unsigned int /* sequence */,
- unsigned int /* tv_sec */, unsigned int /* tv_usec */,
- void *user_data)
-{
- struct hwc_drm_display *hd = (struct hwc_drm_display *)user_data;
- int ret;
- int64_t timestamp;
-
- ret = pthread_mutex_lock(&hd->flip_lock);
- if (ret) {
- ALOGE("Failed to lock flip lock ret=%d", ret);
- return;
- }
-
- ret = pthread_cond_signal(&hd->flip_cond);
- if (ret) {
- ALOGE("Failed to signal flip condition ret=%d", ret);
- goto out;
- }
-
-out:
- ret = pthread_mutex_unlock(&hd->flip_lock);
- if (ret) {
- ALOGE("Failed to unlock flip lock ret=%d", ret);
- return;
- }
-}
-
-static void *hwc_event_worker(void *arg)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)arg;
- int ret;
- fd_set fds;
- drmEventContext event_context;
-
- setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
-
- do {
- FD_ZERO(&fds);
- FD_SET(ctx->fd, &fds);
-
- event_context.version = DRM_EVENT_CONTEXT_VERSION;
- event_context.page_flip_handler = hwc_flip_event_handler;
- event_context.vblank_handler = hwc_vblank_event_handler;
-
- do {
- ret = select(ctx->fd + 1, &fds, NULL, NULL, NULL);
- } while (ret == -1 && errno == EINTR);
-
- if (ret != 1) {
- ALOGE("Failed waiting for drm event\n");
- continue;
- }
-
- drmHandleEvent(ctx->fd, &event_context);
- } while (true);
-
- return NULL;
-}
-
-static bool hwc_mode_is_equal(drmModeModeInfoPtr a, drmModeModeInfoPtr b)
-{
- return a->clock == b->clock &&
- a->hdisplay == b->hdisplay &&
- a->hsync_start == b->hsync_start &&
- a->hsync_end == b->hsync_end &&
- a->htotal == b->htotal &&
- a->hskew == b->hskew &&
- a->vdisplay == b->vdisplay &&
- a->vsync_start == b->vsync_start &&
- a->vsync_end == b->vsync_end &&
- a->vtotal == b->vtotal &&
- a->vscan == b->vscan &&
- a->vrefresh == b->vrefresh &&
- a->flags == b->flags &&
- a->type == b->type &&
- !strcmp(a->name, b->name);
-}
-
-static int hwc_modeset_required(struct hwc_drm_display *hd,
- bool *modeset_required)
-{
- drmModeCrtcPtr crtc;
- drmModeModeInfoPtr m;
-
- if (hd->initial_modeset_required) {
- *modeset_required = true;
- hd->initial_modeset_required = false;
- return 0;
- }
-
- crtc = drmModeGetCrtc(hd->ctx->fd, hd->active_crtc);
- if (!crtc) {
- ALOGE("Failed to get crtc for display %d", hd->display);
- return -ENODEV;
- }
-
- m = &hd->active_mode;
-
- /* Do a modeset if we haven't done one, or the mode has changed */
- if (!crtc->mode_valid || !hwc_mode_is_equal(m, &crtc->mode))
- *modeset_required = true;
- else
- *modeset_required = false;
-
- drmModeFreeCrtc(crtc);
-
- return 0;
-}
-
-static int hwc_flip(struct hwc_drm_display *hd, struct hwc_drm_bo *buf)
-{
- int ret;
- bool modeset_required;
-
- ret = hwc_modeset_required(hd, &modeset_required);
- if (ret) {
- ALOGE("Failed to determine if modeset is required %d", ret);
- return ret;
- }
- if (modeset_required) {
- ret = drmModeSetCrtc(hd->ctx->fd, hd->active_crtc, buf->fb_id,
- 0, 0, &hd->connector_id, 1,
- &hd->active_mode);
- if (ret) {
- ALOGE("Modeset failed for crtc %d",
- hd->active_crtc);
- return ret;
- }
- return 0;
- }
-
- ret = drmModePageFlip(hd->ctx->fd, hd->active_crtc, buf->fb_id,
- DRM_MODE_PAGE_FLIP_EVENT, hd);
- if (ret) {
- ALOGE("Failed to flip buffer for crtc %d",
- hd->active_crtc);
- return ret;
- }
-
- ret = pthread_cond_wait(&hd->flip_cond, &hd->flip_lock);
- if (ret) {
- ALOGE("Failed to wait on condition %d", ret);
- return ret;
- }
-
- return 0;
-}
-
-static int hwc_wait_and_set(struct hwc_drm_display *hd,
- struct hwc_drm_bo *buf)
-{
- struct drm_gem_close args;
- int ret, i;
-
- if (buf->acquire_fence_fd >= 0) {
- ret = sync_wait(buf->acquire_fence_fd, -1);
- close(buf->acquire_fence_fd);
- buf->acquire_fence_fd = -1;
- if (ret) {
- ALOGE("Failed to wait for acquire %d", ret);
- return ret;
- }
- }
-
- ret = hwc_flip(hd, buf);
- if (ret) {
- ALOGE("Failed to perform flip\n");
- return ret;
- }
-
- if (hwc_import_bo_release(hd->ctx->fd, hd->ctx->import_ctx, &hd->front)) {
- memset(&args, 0, sizeof(args));
- for (i = 0; i < ARRAY_SIZE(hd->front.gem_handles); i++) {
- if (!hd->front.gem_handles[i])
- continue;
-
- /* check for duplicate handle in buf_queue */
- bool found;
-
- ret = pthread_mutex_lock(&hd->set_worker.lock);
- if (ret) {
- ALOGE("Failed to lock set lock in wait_and_set() %d", ret);
- continue;
- }
-
- found = false;
- for (std::list<struct hwc_drm_bo>::iterator bi = hd->buf_queue.begin();
- bi != hd->buf_queue.end();
- ++bi)
- for (int j = 0; j < ARRAY_SIZE(bi->gem_handles); j++)
- if (hd->front.gem_handles[i] == bi->gem_handles[j] )
- found = true;
-
- for (int j = 0; j < ARRAY_SIZE(buf->gem_handles); j++)
- if (hd->front.gem_handles[i] == buf->gem_handles[j])
- found = true;
-
- if (!found) {
- args.handle = hd->front.gem_handles[i];
- drmIoctl(hd->ctx->fd, DRM_IOCTL_GEM_CLOSE, &args);
- }
- if (pthread_mutex_unlock(&hd->set_worker.lock))
- ALOGE("Failed to unlock set lock in wait_and_set() %d", ret);
- }
- }
-
- hd->front = *buf;
-
- return ret;
-}
-
-static void *hwc_set_worker(void *arg)
-{
- struct hwc_drm_display *hd = (struct hwc_drm_display *)arg;
- int ret;
-
- setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
-
- ret = pthread_mutex_lock(&hd->flip_lock);
- if (ret) {
- ALOGE("Failed to lock flip lock ret=%d", ret);
- return NULL;
- }
-
- do {
- struct hwc_drm_bo buf;
-
- ret = pthread_mutex_lock(&hd->set_worker.lock);
- if (ret) {
- ALOGE("Failed to lock set lock %d", ret);
- return NULL;
- }
-
- if (hd->set_worker.exit)
- goto out;
-
- if (hd->buf_queue.empty()) {
- ret = pthread_cond_wait(&hd->set_worker.cond,
- &hd->set_worker.lock);
- if (ret) {
- ALOGE("Failed to wait on condition %d", ret);
- goto out;
- }
- }
-
- buf = hd->buf_queue.front();
- hd->buf_queue.pop_front();
-
- ret = pthread_mutex_unlock(&hd->set_worker.lock);
- if (ret) {
- ALOGE("Failed to unlock set lock %d", ret);
- return NULL;
- }
-
- ret = hwc_wait_and_set(hd, &buf);
- if (ret)
- ALOGE("Failed to wait and set %d", ret);
-
- ret = sw_sync_timeline_inc(hd->timeline_fd, 1);
- if (ret)
- ALOGE("Failed to increment sync timeline %d", ret);
- } while (true);
-
-out:
- ret = pthread_mutex_unlock(&hd->set_worker.lock);
- if (ret)
- ALOGE("Failed to unlock set lock while exiting %d", ret);
-
- ret = pthread_mutex_unlock(&hd->flip_lock);
- if (ret)
- ALOGE("Failed to unlock flip lock ret=%d", ret);
-
-
- return NULL;
-}
-
-static int hwc_set_display(hwc_context_t *ctx, int display,
- hwc_display_contents_1_t* display_contents)
-{
- struct hwc_drm_display *hd = NULL;
- hwc_layer_1_t *layer = NULL;
- struct hwc_drm_bo buf;
- int ret, i;
- uint32_t fb_id;
-
- memset(&buf, 0, sizeof(buf));
-
- ret = hwc_get_drm_display(ctx, display, &hd);
- if (ret)
- goto out;
-
- if (!hd->active_crtc) {
- ALOGE("There is no active crtc for display %d", display);
- ret = -ENOENT;
- goto out;
- }
-
- /*
- * TODO: We can only support one hw layer atm, so choose either the
- * first one or the framebuffer target.
- */
- if (!display_contents->numHwLayers) {
- return 0;
- } else if (display_contents->numHwLayers == 1) {
- layer = &display_contents->hwLayers[0];
- } else {
- for (i = 0; i < (int)display_contents->numHwLayers; i++) {
- layer = &display_contents->hwLayers[i];
- if (layer->compositionType == HWC_FRAMEBUFFER_TARGET)
- break;
- }
- if (i == (int)display_contents->numHwLayers) {
- ALOGE("Could not find a suitable layer for display %d",
- display);
- }
- }
-
-
- ret = pthread_mutex_lock(&hd->set_worker.lock);
- if (ret) {
- ALOGE("Failed to lock set lock in set() %d", ret);
- goto out;
- }
-
- ret = hwc_import_bo_create(ctx->fd, ctx->import_ctx, layer->handle,
- &buf);
- if (ret) {
- ALOGE("Failed to import handle to drm bo %d", ret);
- goto out;
- }
- buf.acquire_fence_fd = layer->acquireFenceFd;
- layer->acquireFenceFd = -1;
-
- /*
- * TODO: Retire and release can use the same sync point here b/c hwc is
- * restricted to one layer. Once that is no longer true, this will need
- * to change
- */
- hd->timeline_next++;
- display_contents->retireFenceFd = sw_sync_fence_create(hd->timeline_fd,
- "drm_hwc_retire", hd->timeline_next);
- layer->releaseFenceFd = sw_sync_fence_create(hd->timeline_fd,
- "drm_hwc_release", hd->timeline_next);
- hd->buf_queue.push_back(buf);
-
- ret = pthread_cond_signal(&hd->set_worker.cond);
- if (ret)
- ALOGE("Failed to signal set worker %d", ret);
-
- if (pthread_mutex_unlock(&hd->set_worker.lock))
- ALOGE("Failed to unlock set lock in set()");
-
-out:
- /* Close input fences. */
- for (i = 0; i < (int)display_contents->numHwLayers; i++) {
- layer = &display_contents->hwLayers[i];
- if (layer->acquireFenceFd >= 0) {
- close(layer->acquireFenceFd);
- layer->acquireFenceFd = -1;
- }
- }
- if (display_contents->outbufAcquireFenceFd >= 0) {
- close(display_contents->outbufAcquireFenceFd);
- display_contents->outbufAcquireFenceFd = -1;
- }
-
- return ret;
+static void hwc_dump(struct hwc_composer_device_1* dev, char *buff,
+ int buff_len) {
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+ std::ostringstream out;
+
+ ctx->drm.compositor()->Dump(&out);
+ std::string out_str = out.str();
+ strncpy(buff, out_str.c_str(), std::min((size_t)buff_len, out_str.length()));
+}
+
+static int hwc_prepare(hwc_composer_device_1_t *dev, size_t num_displays,
+ hwc_display_contents_1_t **display_contents) {
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+ for (int i = 0; i < (int)num_displays; ++i) {
+ if (!display_contents[i])
+ continue;
+
+ DrmCrtc *crtc = ctx->drm.GetCrtcForDisplay(i);
+ if (!crtc) {
+ ALOGE("No crtc for display %d", i);
+ return -ENODEV;
+ }
+
+ int num_layers = display_contents[i]->numHwLayers;
+ for (int j = 0; j < num_layers; j++) {
+ hwc_layer_1_t *layer = &display_contents[i]->hwLayers[j];
+
+ if (layer->compositionType == HWC_FRAMEBUFFER)
+ layer->compositionType = HWC_OVERLAY;
+ }
+ }
+
+ return 0;
+}
+
+static void hwc_set_cleanup(size_t num_displays,
+ hwc_display_contents_1_t **display_contents,
+ Composition *composition) {
+ for (int i = 0; i < (int)num_displays; ++i) {
+ if (!display_contents[i])
+ continue;
+
+ hwc_display_contents_1_t *dc = display_contents[i];
+ for (size_t j = 0; j < dc->numHwLayers; ++j) {
+ hwc_layer_1_t *layer = &dc->hwLayers[j];
+ if (layer->acquireFenceFd >= 0) {
+ close(layer->acquireFenceFd);
+ layer->acquireFenceFd = -1;
+ }
+ }
+ if (dc->outbufAcquireFenceFd >= 0) {
+ close(dc->outbufAcquireFenceFd);
+ dc->outbufAcquireFenceFd = -1;
+ }
+ }
+
+ delete composition;
+}
+
+static int hwc_add_layer(int display, hwc_context_t *ctx, hwc_layer_1_t *layer,
+ Composition *composition) {
+ hwc_drm_bo_t bo;
+ int ret = ctx->importer->ImportBuffer(layer->handle, &bo);
+ if (ret) {
+ ALOGE("Failed to import handle to bo %d", ret);
+ return ret;
+ }
+
+ ret = composition->AddLayer(display, layer, &bo);
+ if (!ret)
+ return 0;
+
+ int destroy_ret = ctx->importer->ReleaseBuffer(&bo);
+ if (destroy_ret)
+ ALOGE("Failed to destroy buffer %d", destroy_ret);
+
+ return ret;
}
static int hwc_set(hwc_composer_device_1_t *dev, size_t num_displays,
- hwc_display_contents_1_t** display_contents)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
- int ret = 0, i;
-
- for (i = 0; i < (int)num_displays && i < MAX_NUM_DISPLAYS; i++) {
- if (display_contents[i])
- ret = hwc_set_display(ctx, i, display_contents[i]);
- }
-
- return ret;
-}
-
-static int hwc_event_control(struct hwc_composer_device_1* dev, int display,
- int event, int enabled)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
- struct hwc_drm_display *hd = NULL;
- int ret;
-
- ret = hwc_get_drm_display(ctx, display, &hd);
- if (ret)
- return ret;
-
- if (event != HWC_EVENT_VSYNC || (enabled != 0 && enabled != 1))
- return -EINVAL;
-
- if (hd->active_pipe == -1) {
- ALOGD("Can't service events for display %d, no pipe", display);
- return -EINVAL;
- }
-
- hd->enable_vsync_events = !!enabled;
-
- if (!hd->enable_vsync_events)
- return 0;
-
- /*
- * Note that it's possible that the event worker is already waiting for
- * a vsync, and this will be a duplicate request. In that event, we'll
- * end up firing the event handler twice, and it will discard the second
- * event. Not ideal, but not worth introducing a bunch of additional
- * logic/locks/state for.
- */
- ret = hwc_queue_vblank_event(hd);
- if (ret) {
- ALOGE("Failed to queue vblank event ret=%d", ret);
- return ret;
- }
-
- return 0;
-}
-
-static int hwc_set_power_mode(struct hwc_composer_device_1* dev, int display,
- int mode)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
- struct hwc_drm_display *hd = NULL;
- drmModeConnectorPtr c;
- int ret, i;
- uint32_t dpms_prop = 0;
- uint64_t dpms_value = 0;
-
- ret = hwc_get_drm_display(ctx, display, &hd);
- if (ret)
- return ret;
-
- c = drmModeGetConnector(ctx->fd, hd->connector_id);
- if (!c) {
- ALOGE("Failed to get connector %d", display);
- return -ENODEV;
- }
-
- for (i = 0; !dpms_prop && i < c->count_props; i++) {
- drmModePropertyPtr p;
-
- p = drmModeGetProperty(ctx->fd, c->props[i]);
- if (!p)
- continue;
-
- if (!strcmp(p->name, "DPMS"))
- dpms_prop = c->props[i];
-
- drmModeFreeProperty(p);
- }
- if (!dpms_prop) {
- ALOGE("Failed to get DPMS property from display %d", display);
- ret = -ENOENT;
- goto out;
- }
-
- switch(mode) {
- case HWC_POWER_MODE_OFF:
- dpms_value = DRM_MODE_DPMS_OFF;
- break;
-
- /* We can't support dozing right now, so go full on */
- case HWC_POWER_MODE_DOZE:
- case HWC_POWER_MODE_DOZE_SUSPEND:
- case HWC_POWER_MODE_NORMAL:
- dpms_value = DRM_MODE_DPMS_ON;
- break;
- };
-
- ret = drmModeConnectorSetProperty(ctx->fd, c->connector_id,
- dpms_prop, dpms_value);
- if (ret) {
- ALOGE("Failed to set DPMS property for display %d", display);
- goto out;
- }
-
-out:
- drmModeFreeConnector(c);
- return ret;
-}
-
-static int hwc_query(struct hwc_composer_device_1 */* dev */, int what,
- int *value)
-{
- switch(what) {
- case HWC_BACKGROUND_LAYER_SUPPORTED:
- *value = 0; /* TODO: We should do this */
- break;
- case HWC_VSYNC_PERIOD:
- ALOGW("Query for deprecated vsync value, returning 60Hz");
- *value = 1000 * 1000 * 1000 / 60;
- break;
- case HWC_DISPLAY_TYPES_SUPPORTED:
- *value = HWC_DISPLAY_PRIMARY | HWC_DISPLAY_EXTERNAL;
- break;
- }
- return 0;
-}
-
-static void hwc_register_procs(struct hwc_composer_device_1* dev,
- hwc_procs_t const* procs)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
-
- ctx->procs = procs;
-}
-
-static int hwc_get_display_configs(struct hwc_composer_device_1* dev,
- int display, uint32_t* configs, size_t* numConfigs)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
- struct hwc_drm_display *hd = NULL;
- drmModeConnectorPtr c;
- int ret = 0, i;
-
- if (!*numConfigs)
- return 0;
-
- ret = hwc_get_drm_display(ctx, display, &hd);
- if (ret)
- return ret;
-
- c = drmModeGetConnector(ctx->fd, hd->connector_id);
- if (!c) {
- ALOGE("Failed to get connector %d", display);
- return -ENODEV;
- }
-
- if (hd->configs) {
- free(hd->configs);
- hd->configs = NULL;
- }
-
- if (c->connection == DRM_MODE_DISCONNECTED) {
- ret = -ENODEV;
- goto out;
- }
-
- hd->configs = (drmModeModeInfoPtr)calloc(c->count_modes,
- sizeof(*hd->configs));
- if (!hd->configs) {
- ALOGE("Failed to allocate config list for display %d", display);
- ret = -ENOMEM;
- hd->num_configs = 0;
- goto out;
- }
-
- for (i = 0; i < c->count_modes; i++) {
- drmModeModeInfoPtr m = &hd->configs[i];
-
- memcpy(m, &c->modes[i], sizeof(*m));
-
- if (i < (int)*numConfigs)
- configs[i] = i;
- }
-
- hd->num_configs = c->count_modes;
- *numConfigs = MIN(c->count_modes, *numConfigs);
-
-out:
- drmModeFreeConnector(c);
- return ret;
-}
-
-static int hwc_check_config_valid(struct hwc_context_t *ctx,
- drmModeConnectorPtr connector, int display,
- int config_idx)
-{
- struct hwc_drm_display *hd = NULL;
- drmModeModeInfoPtr m = NULL;
- int ret = 0, i;
-
- ret = hwc_get_drm_display(ctx, display, &hd);
- if (ret)
- return ret;
-
- /* Make sure the requested config is still valid for the display */
- for (i = 0; i < connector->count_modes; i++) {
- if (hwc_mode_is_equal(&connector->modes[i],
- &hd->configs[config_idx])) {
- m = &hd->configs[config_idx];
- break;
- }
- }
- if (!m)
- return -ENOENT;
-
- return 0;
-}
-
-static int hwc_get_display_attributes(struct hwc_composer_device_1* dev,
- int display, uint32_t config, const uint32_t* attributes,
- int32_t* values)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
- struct hwc_drm_display *hd = NULL;
- drmModeConnectorPtr c;
- drmModeModeInfoPtr m;
- int ret, i;
-
- ret = hwc_get_drm_display(ctx, display, &hd);
- if (ret)
- return ret;
-
- if (config >= hd->num_configs) {
- ALOGE("Requested config is out-of-bounds %d %d", config,
- hd->num_configs);
- return -EINVAL;
- }
-
- c = drmModeGetConnector(ctx->fd, hd->connector_id);
- if (!c) {
- ALOGE("Failed to get connector %d", display);
- return -ENODEV;
- }
-
- ret = hwc_check_config_valid(ctx, c, display, (int)config);
- if (ret) {
- ALOGE("Provided config is no longer valid %u", config);
- goto out;
- }
-
- m = &hd->configs[config];
- for (i = 0; attributes[i] != HWC_DISPLAY_NO_ATTRIBUTE; i++) {
- switch(attributes[i]) {
- case HWC_DISPLAY_VSYNC_PERIOD:
- values[i] = 1000 * 1000 * 1000 / m->vrefresh;
- break;
- case HWC_DISPLAY_WIDTH:
- values[i] = m->hdisplay;
- break;
- case HWC_DISPLAY_HEIGHT:
- values[i] = m->vdisplay;
- break;
- case HWC_DISPLAY_DPI_X:
- /* Dots per 1000 inches */
- values[i] = c->mmWidth ?
- (m->hdisplay * UM_PER_INCH) / c->mmWidth : 0;
- break;
- case HWC_DISPLAY_DPI_Y:
- /* Dots per 1000 inches */
- values[i] = c->mmHeight ?
- (m->vdisplay * UM_PER_INCH) / c->mmHeight : 0;
- break;
- }
- }
-
-out:
- drmModeFreeConnector(c);
- return ret;
-}
-
-static int hwc_get_active_config(struct hwc_composer_device_1* dev, int display)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
- struct hwc_drm_display *hd = NULL;
- int ret, i, index = -1;
-
- ret = hwc_get_drm_display(ctx, display, &hd);
- if (ret)
- return ret;
-
- /* Find the current mode in the config list */
- for (i = 0; i < (int)hd->num_configs; i++) {
- if (hwc_mode_is_equal(&hd->configs[i], &hd->active_mode)) {
- index = i;
- break;
- }
- }
-
- return index;
-}
-
-static bool hwc_crtc_is_bound(struct hwc_context_t *ctx, uint32_t crtc_id)
-{
- int i;
-
- for (i = 0; i < MAX_NUM_DISPLAYS; i++) {
- if (ctx->displays[i].active_crtc == crtc_id)
- return true;
- }
- return false;
-}
-
-static int hwc_try_encoder(struct hwc_context_t *ctx, drmModeResPtr r,
- uint32_t encoder_id, uint32_t *crtc_id)
-{
- drmModeEncoderPtr e;
- int ret, i;
-
- e = drmModeGetEncoder(ctx->fd, encoder_id);
- if (!e) {
- ALOGE("Failed to get encoder for connector %d", encoder_id);
- return -ENODEV;
- }
-
- /* First try to use the currently-bound crtc */
- if (e->crtc_id) {
- if (!hwc_crtc_is_bound(ctx, e->crtc_id)) {
- *crtc_id = e->crtc_id;
- ret = 0;
- goto out;
- }
- }
-
- /* Try to find a possible crtc which will work */
- for (i = 0; i < r->count_crtcs; i++) {
- if (!(e->possible_crtcs & (1 << i)))
- continue;
-
- /* We've already tried this earlier */
- if (e->crtc_id == r->crtcs[i])
- continue;
-
- if (!hwc_crtc_is_bound(ctx, r->crtcs[i])) {
- *crtc_id = r->crtcs[i];
- ret = 0;
- goto out;
- }
- }
-
- /* We can't use the encoder, but nothing went wrong, try another one */
- ret = -EAGAIN;
-
-out:
- drmModeFreeEncoder(e);
- return ret;
-}
-
-static int hwc_set_active_config(struct hwc_composer_device_1* dev, int display,
- int index)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
- struct hwc_drm_display *hd = NULL;
- drmModeResPtr r = NULL;
- drmModeConnectorPtr c;
- uint32_t crtc_id = 0;
- int ret, i;
- bool new_crtc, new_encoder;
-
- ret = hwc_get_drm_display(ctx, display, &hd);
- if (ret)
- return ret;
-
- c = drmModeGetConnector(ctx->fd, hd->connector_id);
- if (!c) {
- ALOGE("Failed to get connector %d", display);
- return -ENODEV;
- }
-
- if (c->connection == DRM_MODE_DISCONNECTED) {
- ALOGE("Tried to configure a disconnected display %d", display);
- ret = -ENODEV;
- goto out;
- }
-
- if (index >= c->count_modes) {
- ALOGE("Index is out-of-bounds %d/%d", index, c->count_modes);
- ret = -ENOENT;
- goto out;
- }
-
- r = drmModeGetResources(ctx->fd);
- if (!r) {
- ALOGE("Failed to get drm resources");
- goto out;
- }
-
- /* We no longer have an active_crtc */
- hd->active_crtc = 0;
- hd->active_pipe = -1;
-
- /* First, try to use the currently-connected encoder */
- if (c->encoder_id) {
- ret = hwc_try_encoder(ctx, r, c->encoder_id, &crtc_id);
- if (ret && ret != -EAGAIN) {
- ALOGE("Encoder try failed %d", ret);
- goto out;
- }
- }
-
- /* We couldn't find a crtc with the attached encoder, try the others */
- if (!crtc_id) {
- for (i = 0; i < c->count_encoders; i++) {
- ret = hwc_try_encoder(ctx, r, c->encoders[i], &crtc_id);
- if (!ret) {
- break;
- } else if (ret != -EAGAIN) {
- ALOGE("Encoder try failed %d", ret);
- goto out;
- }
- }
- if (!crtc_id) {
- ALOGE("Couldn't find valid crtc to modeset");
- ret = -EINVAL;
- goto out;
- }
- }
-
- hd->active_crtc = crtc_id;
-
- memcpy(&hd->active_mode, &hd->configs[index], sizeof(hd->active_mode));
-
- /* Find the pipe corresponding to the crtc_id */
- for (i = 0; i < r->count_crtcs; i++) {
- /* We've already tried this earlier */
- if (r->crtcs[i] == crtc_id) {
- hd->active_pipe = i;
- break;
- }
- }
- /* This should never happen... hehehe */
- if (hd->active_pipe == -1) {
- ALOGE("Active crtc was not found in resources!!");
- ret = -ENODEV;
- goto out;
- }
-
- /* TODO: Once we have atomic, set the crtc timing info here */
-
-out:
- if (r)
- drmModeFreeResources(r);
-
- drmModeFreeConnector(c);
- return ret;
-}
-
-static int hwc_destroy_worker(struct hwc_worker *worker)
-{
- int ret;
-
- ret = pthread_mutex_lock(&worker->lock);
- if (ret) {
- ALOGE("Failed to lock in destroy() %d", ret);
- return ret;
- }
-
- worker->exit = true;
-
- ret |= pthread_cond_signal(&worker->cond);
- if (ret)
- ALOGE("Failed to signal cond in destroy() %d", ret);
-
- ret |= pthread_mutex_unlock(&worker->lock);
- if (ret)
- ALOGE("Failed to unlock in destroy() %d", ret);
-
- ret |= pthread_join(worker->thread, NULL);
- if (ret && ret != ESRCH)
- ALOGE("Failed to join thread in destroy() %d", ret);
-
- return ret;
-}
-
-static void hwc_destroy_display(struct hwc_drm_display *hd)
-{
- int ret;
-
- if (hwc_destroy_worker(&hd->set_worker))
- ALOGE("Destroy set worker failed");
-}
-
-static int hwc_device_close(struct hw_device_t *dev)
-{
- struct hwc_context_t *ctx = (struct hwc_context_t *)dev;
- int ret, i;
-
- for (i = 0; i < MAX_NUM_DISPLAYS; i++)
- hwc_destroy_display(&ctx->displays[i]);
-
- if (hwc_destroy_worker(&ctx->event_worker))
- ALOGE("Destroy event worker failed");
-
- drmClose(ctx->fd);
-
- ret = hwc_import_destroy(ctx->import_ctx);
- if (ret)
- ALOGE("Could not destroy import %d", ret);
-
- delete ctx;
-
- return 0;
-}
-
-static int hwc_initialize_worker(struct hwc_worker *worker,
- void *(*routine)(void*), void *arg)
-{
- int ret;
-
- ret = pthread_cond_init(&worker->cond, NULL);
- if (ret) {
- ALOGE("Failed to create worker condition %d", ret);
- return ret;
- }
-
- ret = pthread_mutex_init(&worker->lock, NULL);
- if (ret) {
- ALOGE("Failed to initialize worker lock %d", ret);
- goto err_cond;
- }
-
- worker->exit = false;
-
- ret = pthread_create(&worker->thread, NULL, routine, arg);
- if (ret) {
- ALOGE("Could not create worker thread %d", ret);
- goto err_lock;
- }
- return 0;
-
-err_lock:
- pthread_mutex_destroy(&worker->lock);
-err_cond:
- pthread_cond_destroy(&worker->cond);
- return ret;
+ hwc_display_contents_1_t **display_contents) {
+ ATRACE_CALL();
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+ Composition *composition =
+ ctx->drm.compositor()->CreateComposition(ctx->importer);
+ if (!composition) {
+ ALOGE("Drm composition init failed");
+ hwc_set_cleanup(num_displays, display_contents, NULL);
+ return -EINVAL;
+ }
+
+ int ret;
+ for (int i = 0; i < (int)num_displays; ++i) {
+ if (!display_contents[i])
+ continue;
+
+ hwc_display_contents_1_t *dc = display_contents[i];
+ int j;
+ unsigned num_layers = 0;
+ unsigned num_dc_layers = dc->numHwLayers;
+ for (j = 0; j < (int)num_dc_layers; ++j) {
+ hwc_layer_1_t *layer = &dc->hwLayers[j];
+ if (layer->flags & HWC_SKIP_LAYER)
+ continue;
+ if (layer->compositionType == HWC_OVERLAY)
+ num_layers++;
+ }
+
+ unsigned num_planes = composition->GetRemainingLayers(i, num_layers);
+ bool use_pre_compositor = false;
+
+ if (num_layers > num_planes) {
+ use_pre_compositor = true;
+ // Reserve one of the planes for the result of the pre compositor.
+ num_planes--;
+ }
+
+ for (j = 0; num_planes && j < (int)num_dc_layers; ++j) {
+ hwc_layer_1_t *layer = &dc->hwLayers[j];
+ if (layer->flags & HWC_SKIP_LAYER)
+ continue;
+ if (layer->compositionType != HWC_OVERLAY)
+ continue;
+
+ ret = hwc_add_layer(i, ctx, layer, composition);
+ if (ret) {
+ ALOGE("Add layer failed %d", ret);
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return ret;
+ }
+ --num_planes;
+ }
+
+ int last_comp_layer = j;
+
+ if (use_pre_compositor) {
+ hwc_drm_display_t *hd = &ctx->displays[i];
+ struct hwc_drm_display_framebuffer *fb = &hd->fb_chain[hd->fb_idx];
+ ret = fb->WaitReleased(-1);
+ if (ret) {
+ ALOGE("Failed to wait for framebuffer %d", ret);
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return ret;
+ }
+
+ DrmConnector *connector = ctx->drm.GetConnectorForDisplay(i);
+ if (!connector) {
+ ALOGE("No connector for display %d", i);
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return -ENODEV;
+ }
+
+ const DrmMode &mode = connector->active_mode();
+ if (!fb->Allocate(mode.h_display(), mode.v_display())) {
+ ALOGE("Failed to allocate framebuffer with size %dx%d",
+ mode.h_display(), mode.v_display());
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return -EINVAL;
+ }
+
+ sp<GraphicBuffer> fb_buffer = fb->buffer();
+ if (fb_buffer == NULL) {
+ ALOGE("Framebuffer is NULL");
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return -EINVAL;
+ }
+
+ Targeting *targeting = ctx->pre_compositor.targeting();
+ if (targeting == NULL) {
+ ALOGE("Pre-compositor does not support targeting");
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return -EINVAL;
+ }
+
+ int target = targeting->CreateTarget(fb_buffer);
+ targeting->SetTarget(target);
+
+ Composition *pre_composition = ctx->pre_compositor.CreateComposition(ctx->importer);
+ if (pre_composition == NULL) {
+ ALOGE("Failed to create pre-composition");
+ targeting->ForgetTarget(target);
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return -EINVAL;
+ }
+
+ for (j = last_comp_layer; j < (int)num_dc_layers; ++j) {
+ hwc_layer_1_t *layer = &dc->hwLayers[j];
+ if (layer->flags & HWC_SKIP_LAYER)
+ continue;
+ if (layer->compositionType != HWC_OVERLAY)
+ continue;
+ ret = hwc_add_layer(i, ctx, layer, pre_composition);
+ if (ret) {
+ ALOGE("Add layer failed %d", ret);
+ delete pre_composition;
+ targeting->ForgetTarget(target);
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return ret;
+ }
+ }
+
+ ret = ctx->pre_compositor.QueueComposition(pre_composition);
+ pre_composition = NULL;
+
+ targeting->ForgetTarget(target);
+ if (ret < 0 && ret != -EALREADY) {
+ ALOGE("Pre-composition failed %d", ret);
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return ret;
+ }
+
+ for (j = last_comp_layer; j < (int)num_dc_layers; ++j) {
+ hwc_layer_1_t *layer = &dc->hwLayers[j];
+ if (layer->flags & HWC_SKIP_LAYER)
+ continue;
+ if (layer->compositionType != HWC_OVERLAY)
+ continue;
+ layer->acquireFenceFd = -1;
+ }
+
+ hwc_layer_1_t composite_layer;
+ hwc_rect_t visible_rect;
+ memset(&composite_layer, 0, sizeof(composite_layer));
+ memset(&visible_rect, 0, sizeof(visible_rect));
+
+ composite_layer.compositionType = HWC_OVERLAY;
+ composite_layer.handle = fb_buffer->getNativeBuffer()->handle;
+ composite_layer.sourceCropf.right = composite_layer.displayFrame.right =
+ visible_rect.right = fb_buffer->getWidth();
+ composite_layer.sourceCropf.bottom = composite_layer.displayFrame.bottom =
+ visible_rect.bottom = fb_buffer->getHeight();
+ composite_layer.visibleRegionScreen.numRects = 1;
+ composite_layer.visibleRegionScreen.rects = &visible_rect;
+ composite_layer.acquireFenceFd = ret == -EALREADY ? -1 : ret;
+ // A known invalid fd in case AddLayer does not modify this field.
+ composite_layer.releaseFenceFd = -1;
+ composite_layer.planeAlpha = 0xff;
+
+ ret = hwc_add_layer(i, ctx, &composite_layer, composition);
+ if (ret) {
+ ALOGE("Add layer failed %d", ret);
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return ret;
+ }
+
+ fb->set_release_fence_fd(composite_layer.releaseFenceFd);
+ hd->fb_idx = (hd->fb_idx + 1) % HWC_FB_BUFFERS;
+ }
+ }
+
+ ret = ctx->drm.compositor()->QueueComposition(composition);
+ if (ret) {
+ ALOGE("Failed to queue the composition");
+ hwc_set_cleanup(num_displays, display_contents, composition);
+ return ret;
+ }
+ hwc_set_cleanup(num_displays, display_contents, NULL);
+ return ret;
+}
+
+static int hwc_event_control(struct hwc_composer_device_1 *dev, int display,
+ int event, int enabled) {
+ if (event != HWC_EVENT_VSYNC || (enabled != 0 && enabled != 1))
+ return -EINVAL;
+
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+ hwc_drm_display_t *hd = &ctx->displays[display];
+ return hd->vsync_worker.VSyncControl(enabled);
+}
+
+static int hwc_set_power_mode(struct hwc_composer_device_1 *dev, int display,
+ int mode) {
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+
+ uint64_t dpmsValue = 0;
+ switch (mode) {
+ case HWC_POWER_MODE_OFF:
+ dpmsValue = DRM_MODE_DPMS_OFF;
+ break;
+
+ /* We can't support dozing right now, so go full on */
+ case HWC_POWER_MODE_DOZE:
+ case HWC_POWER_MODE_DOZE_SUSPEND:
+ case HWC_POWER_MODE_NORMAL:
+ dpmsValue = DRM_MODE_DPMS_ON;
+ break;
+ };
+ return ctx->drm.SetDpmsMode(display, dpmsValue);
+}
+
+static int hwc_query(struct hwc_composer_device_1 * /* dev */, int what,
+ int *value) {
+ switch (what) {
+ case HWC_BACKGROUND_LAYER_SUPPORTED:
+ *value = 0; /* TODO: We should do this */
+ break;
+ case HWC_VSYNC_PERIOD:
+ ALOGW("Query for deprecated vsync value, returning 60Hz");
+ *value = 1000 * 1000 * 1000 / 60;
+ break;
+ case HWC_DISPLAY_TYPES_SUPPORTED:
+ *value = HWC_DISPLAY_PRIMARY | HWC_DISPLAY_EXTERNAL;
+ break;
+ }
+ return 0;
+}
+
+static void hwc_register_procs(struct hwc_composer_device_1 *dev,
+ hwc_procs_t const *procs) {
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+
+ ctx->procs = procs;
+
+ for (hwc_context_t::DisplayMapIter iter = ctx->displays.begin();
+ iter != ctx->displays.end(); ++iter) {
+ iter->second.vsync_worker.SetProcs(procs);
+ }
+}
+
+static int hwc_get_display_configs(struct hwc_composer_device_1 *dev,
+ int display, uint32_t *configs,
+ size_t *num_configs) {
+ if (!*num_configs)
+ return 0;
+
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+ hwc_drm_display_t *hd = &ctx->displays[display];
+ hd->config_ids.clear();
+
+ DrmConnector *connector = ctx->drm.GetConnectorForDisplay(display);
+ if (!connector) {
+ ALOGE("Failed to get connector for display %d", display);
+ return -ENODEV;
+ }
+
+ int ret = connector->UpdateModes();
+ if (ret) {
+ ALOGE("Failed to update display modes %d", ret);
+ return ret;
+ }
+
+ for (DrmConnector::ModeIter iter = connector->begin_modes();
+ iter != connector->end_modes(); ++iter) {
+ size_t idx = hd->config_ids.size();
+ if (idx == *num_configs)
+ break;
+ hd->config_ids.push_back(iter->id());
+ configs[idx] = iter->id();
+ }
+ *num_configs = hd->config_ids.size();
+ return *num_configs == 0 ? -1 : 0;
+}
+
+static int hwc_get_display_attributes(struct hwc_composer_device_1 *dev,
+ int display, uint32_t config,
+ const uint32_t *attributes,
+ int32_t *values) {
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+ DrmConnector *c = ctx->drm.GetConnectorForDisplay(display);
+ if (!c) {
+ ALOGE("Failed to get DrmConnector for display %d", display);
+ return -ENODEV;
+ }
+ DrmMode mode;
+ for (DrmConnector::ModeIter iter = c->begin_modes(); iter != c->end_modes();
+ ++iter) {
+ if (iter->id() == config) {
+ mode = *iter;
+ break;
+ }
+ }
+ if (mode.id() == 0) {
+ ALOGE("Failed to find active mode for display %d", display);
+ return -ENOENT;
+ }
+
+ uint32_t mm_width = c->mm_width();
+ uint32_t mm_height = c->mm_height();
+ for (int i = 0; attributes[i] != HWC_DISPLAY_NO_ATTRIBUTE; ++i) {
+ switch (attributes[i]) {
+ case HWC_DISPLAY_VSYNC_PERIOD:
+ values[i] = 1000 * 1000 * 1000 / mode.v_refresh();
+ break;
+ case HWC_DISPLAY_WIDTH:
+ values[i] = mode.h_display();
+ break;
+ case HWC_DISPLAY_HEIGHT:
+ values[i] = mode.v_display();
+ break;
+ case HWC_DISPLAY_DPI_X:
+ /* Dots per 1000 inches */
+ values[i] = mm_width ? (mode.h_display() * UM_PER_INCH) / mm_width : 0;
+ break;
+ case HWC_DISPLAY_DPI_Y:
+ /* Dots per 1000 inches */
+ values[i] =
+ mm_height ? (mode.v_display() * UM_PER_INCH) / mm_height : 0;
+ break;
+ }
+ }
+ return 0;
+}
+
+static int hwc_get_active_config(struct hwc_composer_device_1 *dev,
+ int display) {
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+ DrmConnector *c = ctx->drm.GetConnectorForDisplay(display);
+ if (!c) {
+ ALOGE("Failed to get DrmConnector for display %d", display);
+ return -ENODEV;
+ }
+
+ DrmMode mode = c->active_mode();
+ hwc_drm_display_t *hd = &ctx->displays[display];
+ for (size_t i = 0; i < hd->config_ids.size(); ++i) {
+ if (hd->config_ids[i] == mode.id())
+ return i;
+ }
+ return -1;
+}
+
+static int hwc_set_active_config(struct hwc_composer_device_1 *dev, int display,
+ int index) {
+ struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;
+ hwc_drm_display_t *hd = &ctx->displays[display];
+ if (index >= (int)hd->config_ids.size()) {
+ ALOGE("Invalid config index %d passed in", index);
+ return -EINVAL;
+ }
+
+ DrmConnector *c = ctx->drm.GetConnectorForDisplay(display);
+ if (!c) {
+ ALOGE("Failed to get connector for display %d", display);
+ return -ENODEV;
+ }
+ DrmMode mode;
+ for (DrmConnector::ModeIter iter = c->begin_modes(); iter != c->end_modes();
+ ++iter) {
+ if (iter->id() == hd->config_ids[index]) {
+ mode = *iter;
+ break;
+ }
+ }
+ if (mode.id() != hd->config_ids[index]) {
+ ALOGE("Could not find active mode for %d/%d", index, hd->config_ids[index]);
+ return -ENOENT;
+ }
+ int ret = ctx->drm.SetDisplayActiveMode(display, mode);
+ if (ret) {
+ ALOGE("Failed to set active config %d", ret);
+ return ret;
+ }
+ return ret;
+}
+
+static int hwc_device_close(struct hw_device_t *dev) {
+ struct hwc_context_t *ctx = (struct hwc_context_t *)dev;
+ delete ctx;
+ return 0;
}
/*
* should be fixed such that it selects the preferred mode for the display, or
* some other, saner, method of choosing the config.
*/
-static int hwc_set_initial_config(struct hwc_drm_display *hd)
-{
- int ret;
- uint32_t config;
- size_t num_configs = 1;
-
- ret = hwc_get_display_configs(&hd->ctx->device, hd->display, &config,
- &num_configs);
- if (ret || !num_configs)
- return 0;
-
- ret = hwc_set_active_config(&hd->ctx->device, hd->display, 0);
- if (ret) {
- ALOGE("Failed to set active config d=%d ret=%d", hd->display,
- ret);
- return ret;
- }
-
- return ret;
-}
-
-static int hwc_initialize_display(struct hwc_context_t *ctx, int display,
- uint32_t connector_id)
-{
- struct hwc_drm_display *hd = NULL;
- int ret;
-
- ret = hwc_get_drm_display(ctx, display, &hd);
- if (ret)
- return ret;
-
- hd->ctx = ctx;
- hd->display = display;
- hd->active_pipe = -1;
- hd->initial_modeset_required = true;
- hd->connector_id = connector_id;
- hd->enable_vsync_events = false;
- hd->vsync_sequence = 0;
-
- ret = pthread_mutex_init(&hd->flip_lock, NULL);
- if (ret) {
- ALOGE("Failed to initialize flip lock %d", ret);
- return ret;
- }
-
- ret = pthread_cond_init(&hd->flip_cond, NULL);
- if (ret) {
- ALOGE("Failed to intiialize flip condition %d", ret);
- goto err_flip_lock;
- }
-
- ret = sw_sync_timeline_create();
- if (ret < 0) {
- ALOGE("Failed to create sw sync timeline %d", ret);
- goto err_flip_cond;
- }
- hd->timeline_fd = ret;
-
- /*
- * Initialize timeline_next to 1, because point 0 will be the very first
- * set operation. Since we increment every time set() is called,
- * initializing to 0 would cause an off-by-one error where
- * surfaceflinger would composite on the front buffer.
- */
- hd->timeline_next = 1;
-
- ret = hwc_set_initial_config(hd);
- if (ret) {
- ALOGE("Failed to set initial config for d=%d ret=%d", display,
- ret);
- goto err_sync_timeline;
- }
-
- ret = hwc_initialize_worker(&hd->set_worker, hwc_set_worker, hd);
- if (ret) {
- ALOGE("Failed to create set worker %d\n", ret);
- goto err_sync_timeline;
- }
-
- return 0;
-
-err_sync_timeline:
- close(hd->timeline_fd);
-
-err_flip_cond:
- pthread_cond_destroy(&hd->flip_cond);
-
-err_flip_lock:
- pthread_mutex_destroy(&hd->flip_lock);
-
- return ret;
+static int hwc_set_initial_config(hwc_drm_display_t *hd) {
+ uint32_t config;
+ size_t num_configs = 1;
+ int ret = hwc_get_display_configs(&hd->ctx->device, hd->display, &config,
+ &num_configs);
+ if (ret || !num_configs)
+ return 0;
+
+ ret = hwc_set_active_config(&hd->ctx->device, hd->display, 0);
+ if (ret) {
+ ALOGE("Failed to set active config d=%d ret=%d", hd->display, ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int hwc_initialize_display(struct hwc_context_t *ctx, int display) {
+ hwc_drm_display_t *hd = &ctx->displays[display];
+ hd->ctx = ctx;
+ hd->display = display;
+ hd->fb_idx = 0;
+
+ int ret = hwc_set_initial_config(hd);
+ if (ret) {
+ ALOGE("Failed to set initial config for d=%d ret=%d", display, ret);
+ return ret;
+ }
+
+ ret = hd->vsync_worker.Init(&ctx->drm, display);
+ if (ret) {
+ ALOGE("Failed to create event worker for display %d %d\n", display, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int hwc_enumerate_displays(struct hwc_context_t *ctx) {
+ int ret;
+ for (DrmResources::ConnectorIter c = ctx->drm.begin_connectors();
+ c != ctx->drm.end_connectors(); ++c) {
+ ret = hwc_initialize_display(ctx, (*c)->display());
+ if (ret) {
+ ALOGE("Failed to initialize display %d", (*c)->display());
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int hwc_device_open(const struct hw_module_t *module, const char *name,
+ struct hw_device_t **dev) {
+ if (strcmp(name, HWC_HARDWARE_COMPOSER)) {
+ ALOGE("Invalid module name- %s", name);
+ return -EINVAL;
+ }
+
+ struct hwc_context_t *ctx = new hwc_context_t();
+ if (!ctx) {
+ ALOGE("Failed to allocate hwc context");
+ return -ENOMEM;
+ }
+
+ int ret = ctx->drm.Init();
+ if (ret) {
+ ALOGE("Can't initialize Drm object %d", ret);
+ delete ctx;
+ return ret;
+ }
+
+ ret = ctx->pre_compositor.Init();
+ if (ret) {
+ ALOGE("Can't initialize OpenGL Compositor object %d", ret);
+ delete ctx;
+ return ret;
+ }
+
+ ctx->importer = Importer::CreateInstance(&ctx->drm);
+ if (!ctx->importer) {
+ ALOGE("Failed to create importer instance");
+ delete ctx;
+ return ret;
+ }
+
+ ret = hwc_enumerate_displays(ctx);
+ if (ret) {
+ ALOGE("Failed to enumerate displays: %s", strerror(ret));
+ delete ctx;
+ return ret;
+ }
+
+ ctx->device.common.tag = HARDWARE_DEVICE_TAG;
+ ctx->device.common.version = HWC_DEVICE_API_VERSION_1_4;
+ ctx->device.common.module = const_cast<hw_module_t *>(module);
+ ctx->device.common.close = hwc_device_close;
+
+ ctx->device.dump = hwc_dump;
+ ctx->device.prepare = hwc_prepare;
+ ctx->device.set = hwc_set;
+ ctx->device.eventControl = hwc_event_control;
+ ctx->device.setPowerMode = hwc_set_power_mode;
+ ctx->device.query = hwc_query;
+ ctx->device.registerProcs = hwc_register_procs;
+ ctx->device.getDisplayConfigs = hwc_get_display_configs;
+ ctx->device.getDisplayAttributes = hwc_get_display_attributes;
+ ctx->device.getActiveConfig = hwc_get_active_config;
+ ctx->device.setActiveConfig = hwc_set_active_config;
+ ctx->device.setCursorPositionAsync = NULL; /* TODO: Add cursor */
+
+ *dev = &ctx->device.common;
+
+ return 0;
}
-
-static int hwc_enumerate_displays(struct hwc_context_t *ctx)
-{
- struct hwc_drm_display *panel_hd;
- drmModeResPtr res;
- drmModeConnectorPtr *conn_list;
- int ret = 0, i, j;
-
- ret = hwc_initialize_worker(&ctx->event_worker, hwc_event_worker, ctx);
- if (ret) {
- ALOGE("Failed to create event worker %d\n", ret);
- return ret;
- }
-
- res = drmModeGetResources(ctx->fd);
- if (!res) {
- ALOGE("Failed to get drm resources");
- return -ENODEV;
- }
-
- conn_list = (drmModeConnector **)calloc(res->count_connectors,
- sizeof(*conn_list));
- if (!conn_list) {
- ALOGE("Failed to allocate connector list");
- ret = -ENOMEM;
- goto out;
- }
-
- for (i = 0; i < res->count_connectors; i++) {
- conn_list[i] = drmModeGetConnector(ctx->fd, res->connectors[i]);
- if (!conn_list[i]) {
- ALOGE("Failed to get connector %d", res->connectors[i]);
- ret = -ENODEV;
- goto out;
- }
- }
-
- ctx->num_displays = 0;
-
- /* Find a connected, panel type connector for display 0 */
- for (i = 0; i < res->count_connectors; i++) {
- drmModeConnectorPtr c = conn_list[i];
-
- for (j = 0; j < ARRAY_SIZE(panel_types); j++) {
- if (c->connector_type == panel_types[j] &&
- c->connection == DRM_MODE_CONNECTED)
- break;
- }
- if (j == ARRAY_SIZE(panel_types))
- continue;
-
- hwc_initialize_display(ctx, ctx->num_displays, c->connector_id);
- ctx->num_displays++;
- break;
- }
-
- ret = hwc_get_drm_display(ctx, 0, &panel_hd);
- if (ret)
- goto out;
-
- /* Fill in the other displays */
- for (i = 0; i < res->count_connectors; i++) {
- drmModeConnectorPtr c = conn_list[i];
-
- if (panel_hd->connector_id == c->connector_id)
- continue;
-
- hwc_initialize_display(ctx, ctx->num_displays, c->connector_id);
- ctx->num_displays++;
- }
-
-out:
- for (i = 0; i < res->count_connectors; i++) {
- if (conn_list[i])
- drmModeFreeConnector(conn_list[i]);
- }
- free(conn_list);
-
- if (res)
- drmModeFreeResources(res);
-
- if (ret)
- hwc_destroy_worker(&ctx->event_worker);
-
- return ret;
-}
-
-static int hwc_device_open(const struct hw_module_t* module, const char* name,
- struct hw_device_t** dev)
-{
- int ret = 0;
- struct hwc_context_t *ctx;
- char path[PROPERTY_VALUE_MAX];
-
- if (strcmp(name, HWC_HARDWARE_COMPOSER)) {
- ALOGE("Invalid module name- %s", name);
- return -EINVAL;
- }
-
- ctx = new hwc_context_t();
- if (!ctx) {
- ALOGE("Failed to allocate hwc context");
- return -ENOMEM;
- }
-
- ret = hwc_import_init(&ctx->import_ctx);
- if (ret) {
- ALOGE("Failed to initialize import context");
- goto out;
- }
-
- property_get("hwc.drm.device", path, HWCOMPOSER_DRM_DEVICE);
- /* TODO: Use drmOpenControl here instead */
- ctx->fd = open(path, O_RDWR);
- if (ctx->fd < 0) {
- ALOGE("Failed to open dri- %s", strerror(-errno));
- goto out;
- }
-
- ret = hwc_enumerate_displays(ctx);
- if (ret) {
- ALOGE("Failed to enumerate displays: %s", strerror(ret));
- goto out;
- }
-
- ctx->device.common.tag = HARDWARE_DEVICE_TAG;
- ctx->device.common.version = HWC_DEVICE_API_VERSION_1_4;
- ctx->device.common.module = const_cast<hw_module_t*>(module);
- ctx->device.common.close = hwc_device_close;
-
- ctx->device.prepare = hwc_prepare;
- ctx->device.set = hwc_set;
- ctx->device.eventControl = hwc_event_control;
- ctx->device.setPowerMode = hwc_set_power_mode;
- ctx->device.query = hwc_query;
- ctx->device.registerProcs = hwc_register_procs;
- ctx->device.getDisplayConfigs = hwc_get_display_configs;
- ctx->device.getDisplayAttributes = hwc_get_display_attributes;
- ctx->device.getActiveConfig = hwc_get_active_config;
- ctx->device.setActiveConfig = hwc_set_active_config;
- ctx->device.setCursorPositionAsync = NULL; /* TODO: Add cursor */
-
- *dev = &ctx->device.common;
-
- return 0;
-out:
- if (ctx->fd >= 0)
- close(ctx->fd);
-
- delete ctx;
- return ret;
}
static struct hw_module_methods_t hwc_module_methods = {
- open: hwc_device_open
+ open : android::hwc_device_open
};
hwc_module_t HAL_MODULE_INFO_SYM = {
- common: {
- tag: HARDWARE_MODULE_TAG,
- version_major: 1,
- version_minor: 0,
- id: HWC_HARDWARE_MODULE_ID,
- name: "DRM hwcomposer module",
- author: "The Android Open Source Project",
- methods: &hwc_module_methods,
- dso: NULL,
- reserved: { 0 },
- }
+ common : {
+ tag : HARDWARE_MODULE_TAG,
+ version_major : 1,
+ version_minor : 0,
+ id : HWC_HARDWARE_MODULE_ID,
+ name : "DRM hwcomposer module",
+ author : "The Android Open Source Project",
+ methods : &hwc_module_methods,
+ dso : NULL,
+ reserved : {0},
+ }
};