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gralloc0_register_buffer: initialize gralloc0 when needed
[android-x86/external-minigbm.git] / cros_gralloc / cros_gralloc_driver.cc
index 761895d..a0e312a 100644 (file)
@@ -7,9 +7,13 @@
 #include "cros_gralloc_driver.h"
 #include "../util.h"
 
+#include "i915_private_android.h"
+
+#include <errno.h>
 #include <cstdlib>
 #include <fcntl.h>
 #include <xf86drm.h>
+#include <unistd.h>
 
 cros_gralloc_driver::cros_gralloc_driver() : drv_(nullptr)
 {
@@ -56,11 +60,14 @@ int32_t cros_gralloc_driver::init()
                                continue;
 
                        version = drmGetVersion(fd);
-                       if (!version)
+                       if (!version) {
+                               close(fd);
                                continue;
+            }
 
                        if (undesired[i] && !strcmp(version->name, undesired[i])) {
                                drmFreeVersion(version);
+                               close(fd);
                                continue;
                        }
 
@@ -78,8 +85,8 @@ bool cros_gralloc_driver::is_supported(const struct cros_gralloc_buffer_descript
 {
        struct combination *combo;
        uint32_t resolved_format;
-       resolved_format = drv_resolve_format(drv_, descriptor->drm_format, descriptor->drv_usage);
-       combo = drv_get_combination(drv_, resolved_format, descriptor->drv_usage);
+       resolved_format = drv_resolve_format(drv_, descriptor->drm_format, descriptor->use_flags);
+       combo = drv_get_combination(drv_, resolved_format, descriptor->use_flags);
        return (combo != nullptr);
 }
 
@@ -94,9 +101,14 @@ int32_t cros_gralloc_driver::allocate(const struct cros_gralloc_buffer_descripto
        struct bo *bo;
        struct cros_gralloc_handle *hnd;
 
-       resolved_format = drv_resolve_format(drv_, descriptor->drm_format, descriptor->drv_usage);
-       bo = drv_bo_create(drv_, descriptor->width, descriptor->height, resolved_format,
-                          descriptor->drv_usage);
+       resolved_format = drv_resolve_format(drv_, descriptor->drm_format, descriptor->use_flags);
+       if (descriptor->modifier == 0) {
+               bo = drv_bo_create(drv_, descriptor->width, descriptor->height, resolved_format,
+                                  descriptor->use_flags);
+       } else {
+               bo = drv_bo_create_with_modifiers(drv_, descriptor->width, descriptor->height,
+                                                 resolved_format, &descriptor->modifier, 1);
+       }
        if (!bo) {
                cros_gralloc_error("Failed to create bo.");
                return -ENOMEM;
@@ -134,15 +146,24 @@ int32_t cros_gralloc_driver::allocate(const struct cros_gralloc_buffer_descripto
        hnd->width = drv_bo_get_width(bo);
        hnd->height = drv_bo_get_height(bo);
        hnd->format = drv_bo_get_format(bo);
+       hnd->tiling_mode = drv_bo_get_stride_or_tiling(bo);
+       hnd->use_flags[0] = static_cast<uint32_t>(descriptor->use_flags >> 32);
+       hnd->use_flags[1] = static_cast<uint32_t>(descriptor->use_flags);
        hnd->pixel_stride = drv_bo_get_stride_in_pixels(bo);
        hnd->magic = cros_gralloc_magic;
-       hnd->droid_format = descriptor->droid_format;
+       int32_t format = i915_private_invert_format(hnd->format);
+       if (format == 0) {
+               format =  descriptor->droid_format;
+       }
+       hnd->droid_format = format;
        hnd->usage = descriptor->producer_usage;
+       hnd->producer_usage = descriptor->producer_usage;
+       hnd->consumer_usage = descriptor->consumer_usage;
 
        id = drv_bo_get_plane_handle(bo, 0).u32;
        auto buffer = new cros_gralloc_buffer(id, bo, hnd);
 
-       std::lock_guard<std::mutex> lock(mutex_);
+        SCOPED_SPIN_LOCK(mutex_);
        buffers_.emplace(id, buffer);
        handles_.emplace(hnd, std::make_pair(buffer, 1));
        *out_handle = &hnd->base;
@@ -152,7 +173,7 @@ int32_t cros_gralloc_driver::allocate(const struct cros_gralloc_buffer_descripto
 int32_t cros_gralloc_driver::retain(buffer_handle_t handle)
 {
        uint32_t id;
-       std::lock_guard<std::mutex> lock(mutex_);
+        SCOPED_SPIN_LOCK(mutex_);
 
        auto hnd = cros_gralloc_convert_handle(handle);
        if (!hnd) {
@@ -181,11 +202,12 @@ int32_t cros_gralloc_driver::retain(buffer_handle_t handle)
                data.format = hnd->format;
                data.width = hnd->width;
                data.height = hnd->height;
+               data.use_flags = static_cast<uint64_t>(hnd->use_flags[0]) << 32;
+               data.use_flags |= hnd->use_flags[1];
 
                memcpy(data.fds, hnd->fds, sizeof(data.fds));
                memcpy(data.strides, hnd->strides, sizeof(data.strides));
                memcpy(data.offsets, hnd->offsets, sizeof(data.offsets));
-               memcpy(data.sizes, hnd->sizes, sizeof(data.sizes));
                for (uint32_t plane = 0; plane < DRV_MAX_PLANES; plane++) {
                        data.format_modifiers[plane] =
                            static_cast<uint64_t>(hnd->format_modifiers[2 * plane]) << 32;
@@ -208,7 +230,7 @@ int32_t cros_gralloc_driver::retain(buffer_handle_t handle)
 
 int32_t cros_gralloc_driver::release(buffer_handle_t handle)
 {
-       std::lock_guard<std::mutex> lock(mutex_);
+        SCOPED_SPIN_LOCK(mutex_);
 
        auto hnd = cros_gralloc_convert_handle(handle);
        if (!hnd) {
@@ -218,11 +240,21 @@ int32_t cros_gralloc_driver::release(buffer_handle_t handle)
 
        auto buffer = get_buffer(hnd);
        if (!buffer) {
-               cros_gralloc_error("Invalid Reference.");
-               return -EINVAL;
+               uint32_t id = -1;
+               if (drmPrimeFDToHandle(drv_get_fd(drv_), hnd->fds[0], &id)) {
+                       cros_gralloc_error("drmPrimeFDToHandle failed.");
+                       return -errno;
+               }
+               if (buffers_.count(id)) {
+                       buffer = buffers_[id];
+                       buffer->increase_refcount();
+               }
+               else {
+                       cros_gralloc_error("Could not found reference");
+                       return -EINVAL;
+               }
        }
-
-       if (!--handles_[hnd].second)
+       else if (!--handles_[hnd].second)
                handles_.erase(hnd);
 
        if (buffer->decrease_refcount() == 0) {
@@ -233,11 +265,14 @@ int32_t cros_gralloc_driver::release(buffer_handle_t handle)
        return 0;
 }
 
-int32_t cros_gralloc_driver::lock(buffer_handle_t handle, int32_t acquire_fence, uint64_t flags,
+int32_t cros_gralloc_driver::lock(buffer_handle_t handle, int32_t acquire_fence, uint32_t map_flags,
                                  uint8_t *addr[DRV_MAX_PLANES])
 {
-       std::lock_guard<std::mutex> lock(mutex_);
+       int32_t ret = cros_gralloc_sync_wait(acquire_fence);
+       if (ret)
+               return ret;
 
+       SCOPED_SPIN_LOCK(mutex_);
        auto hnd = cros_gralloc_convert_handle(handle);
        if (!hnd) {
                cros_gralloc_error("Invalid handle.");
@@ -250,17 +285,12 @@ int32_t cros_gralloc_driver::lock(buffer_handle_t handle, int32_t acquire_fence,
                return -EINVAL;
        }
 
-       if (acquire_fence >= 0) {
-               cros_gralloc_error("Sync wait not yet supported.");
-               return -EINVAL;
-       }
-
-       return buffer->lock(flags, addr);
+       return buffer->lock(map_flags, addr);
 }
 
-int32_t cros_gralloc_driver::unlock(buffer_handle_t handle)
+int32_t cros_gralloc_driver::unlock(buffer_handle_t handle, int32_t *release_fence)
 {
-       std::lock_guard<std::mutex> lock(mutex_);
+        SCOPED_SPIN_LOCK(mutex_);;
 
        auto hnd = cros_gralloc_convert_handle(handle);
        if (!hnd) {
@@ -274,12 +304,19 @@ int32_t cros_gralloc_driver::unlock(buffer_handle_t handle)
                return -EINVAL;
        }
 
+       /*
+        * From the ANativeWindow::dequeueBuffer documentation:
+        *
+        * "A value of -1 indicates that the caller may access the buffer immediately without
+        * waiting on a fence."
+        */
+       *release_fence = -1;
        return buffer->unlock();
 }
 
 int32_t cros_gralloc_driver::get_backing_store(buffer_handle_t handle, uint64_t *out_store)
 {
-       std::lock_guard<std::mutex> lock(mutex_);
+        SCOPED_SPIN_LOCK(mutex_);
 
        auto hnd = cros_gralloc_convert_handle(handle);
        if (!hnd) {