| /* | 
 |  * Copyright 2015 The Android Open Source Project | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *      http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 |  | 
 | #define ATRACE_TAG ATRACE_TAG_GRAPHICS | 
 |  | 
 | #include <android/hardware/graphics/common/1.0/types.h> | 
 | #include <grallocusage/GrallocUsageConversion.h> | 
 | #include <graphicsenv/GraphicsEnv.h> | 
 | #include <log/log.h> | 
 | #include <sync/sync.h> | 
 | #include <system/window.h> | 
 | #include <ui/BufferQueueDefs.h> | 
 | #include <utils/StrongPointer.h> | 
 | #include <utils/Timers.h> | 
 | #include <utils/Trace.h> | 
 |  | 
 | #include <algorithm> | 
 | #include <unordered_set> | 
 | #include <vector> | 
 |  | 
 | #include "driver.h" | 
 |  | 
 | using android::hardware::graphics::common::V1_0::BufferUsage; | 
 |  | 
 | namespace vulkan { | 
 | namespace driver { | 
 |  | 
 | namespace { | 
 |  | 
 | const VkSurfaceTransformFlagsKHR kSupportedTransforms = | 
 |     VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR | | 
 |     VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR | | 
 |     VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR | | 
 |     VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR | | 
 |     VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_BIT_KHR | | 
 |     VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR | | 
 |     VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_180_BIT_KHR | | 
 |     VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR | | 
 |     VK_SURFACE_TRANSFORM_INHERIT_BIT_KHR; | 
 |  | 
 | VkSurfaceTransformFlagBitsKHR TranslateNativeToVulkanTransform(int native) { | 
 |     // Native and Vulkan transforms are isomorphic, but are represented | 
 |     // differently. Vulkan transforms are built up of an optional horizontal | 
 |     // mirror, followed by a clockwise 0/90/180/270-degree rotation. Native | 
 |     // transforms are built up from a horizontal flip, vertical flip, and | 
 |     // 90-degree rotation, all optional but always in that order. | 
 |  | 
 |     switch (native) { | 
 |         case 0: | 
 |             return VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR; | 
 |         case NATIVE_WINDOW_TRANSFORM_FLIP_H: | 
 |             return VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_BIT_KHR; | 
 |         case NATIVE_WINDOW_TRANSFORM_FLIP_V: | 
 |             return VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_180_BIT_KHR; | 
 |         case NATIVE_WINDOW_TRANSFORM_ROT_180: | 
 |             return VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR; | 
 |         case NATIVE_WINDOW_TRANSFORM_ROT_90: | 
 |             return VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR; | 
 |         case NATIVE_WINDOW_TRANSFORM_FLIP_H | NATIVE_WINDOW_TRANSFORM_ROT_90: | 
 |             return VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR; | 
 |         case NATIVE_WINDOW_TRANSFORM_FLIP_V | NATIVE_WINDOW_TRANSFORM_ROT_90: | 
 |             return VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR; | 
 |         case NATIVE_WINDOW_TRANSFORM_ROT_270: | 
 |             return VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR; | 
 |         case NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY: | 
 |         default: | 
 |             return VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR; | 
 |     } | 
 | } | 
 |  | 
 | int TranslateVulkanToNativeTransform(VkSurfaceTransformFlagBitsKHR transform) { | 
 |     switch (transform) { | 
 |         case VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_ROT_90; | 
 |         case VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_ROT_180; | 
 |         case VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_ROT_270; | 
 |         case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_FLIP_H; | 
 |         case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_FLIP_H | | 
 |                    NATIVE_WINDOW_TRANSFORM_ROT_90; | 
 |         case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_180_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_FLIP_V; | 
 |         case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_FLIP_V | | 
 |                    NATIVE_WINDOW_TRANSFORM_ROT_90; | 
 |         case VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR: | 
 |         case VK_SURFACE_TRANSFORM_INHERIT_BIT_KHR: | 
 |         default: | 
 |             return 0; | 
 |     } | 
 | } | 
 |  | 
 | int InvertTransformToNative(VkSurfaceTransformFlagBitsKHR transform) { | 
 |     switch (transform) { | 
 |         case VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_ROT_270; | 
 |         case VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_ROT_180; | 
 |         case VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_ROT_90; | 
 |         case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_FLIP_H; | 
 |         case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_FLIP_H | | 
 |                    NATIVE_WINDOW_TRANSFORM_ROT_90; | 
 |         case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_180_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_FLIP_V; | 
 |         case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR: | 
 |             return NATIVE_WINDOW_TRANSFORM_FLIP_V | | 
 |                    NATIVE_WINDOW_TRANSFORM_ROT_90; | 
 |         case VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR: | 
 |         case VK_SURFACE_TRANSFORM_INHERIT_BIT_KHR: | 
 |         default: | 
 |             return 0; | 
 |     } | 
 | } | 
 |  | 
 | class TimingInfo { | 
 |    public: | 
 |     TimingInfo(const VkPresentTimeGOOGLE* qp, uint64_t nativeFrameId) | 
 |         : vals_{qp->presentID, qp->desiredPresentTime, 0, 0, 0}, | 
 |           native_frame_id_(nativeFrameId) {} | 
 |     bool ready() const { | 
 |         return (timestamp_desired_present_time_ != | 
 |                         NATIVE_WINDOW_TIMESTAMP_PENDING && | 
 |                 timestamp_actual_present_time_ != | 
 |                         NATIVE_WINDOW_TIMESTAMP_PENDING && | 
 |                 timestamp_render_complete_time_ != | 
 |                         NATIVE_WINDOW_TIMESTAMP_PENDING && | 
 |                 timestamp_composition_latch_time_ != | 
 |                         NATIVE_WINDOW_TIMESTAMP_PENDING); | 
 |     } | 
 |     void calculate(int64_t rdur) { | 
 |         bool anyTimestampInvalid = | 
 |                 (timestamp_actual_present_time_ == | 
 |                         NATIVE_WINDOW_TIMESTAMP_INVALID) || | 
 |                 (timestamp_render_complete_time_ == | 
 |                         NATIVE_WINDOW_TIMESTAMP_INVALID) || | 
 |                 (timestamp_composition_latch_time_ == | 
 |                         NATIVE_WINDOW_TIMESTAMP_INVALID); | 
 |         if (anyTimestampInvalid) { | 
 |             ALOGE("Unexpectedly received invalid timestamp."); | 
 |             vals_.actualPresentTime = 0; | 
 |             vals_.earliestPresentTime = 0; | 
 |             vals_.presentMargin = 0; | 
 |             return; | 
 |         } | 
 |  | 
 |         vals_.actualPresentTime = | 
 |                 static_cast<uint64_t>(timestamp_actual_present_time_); | 
 |         int64_t margin = (timestamp_composition_latch_time_ - | 
 |                            timestamp_render_complete_time_); | 
 |         // Calculate vals_.earliestPresentTime, and potentially adjust | 
 |         // vals_.presentMargin.  The initial value of vals_.earliestPresentTime | 
 |         // is vals_.actualPresentTime.  If we can subtract rdur (the duration | 
 |         // of a refresh cycle) from vals_.earliestPresentTime (and also from | 
 |         // vals_.presentMargin) and still leave a positive margin, then we can | 
 |         // report to the application that it could have presented earlier than | 
 |         // it did (per the extension specification).  If for some reason, we | 
 |         // can do this subtraction repeatedly, we do, since | 
 |         // vals_.earliestPresentTime really is supposed to be the "earliest". | 
 |         int64_t early_time = timestamp_actual_present_time_; | 
 |         while ((margin > rdur) && | 
 |                ((early_time - rdur) > timestamp_composition_latch_time_)) { | 
 |             early_time -= rdur; | 
 |             margin -= rdur; | 
 |         } | 
 |         vals_.earliestPresentTime = static_cast<uint64_t>(early_time); | 
 |         vals_.presentMargin = static_cast<uint64_t>(margin); | 
 |     } | 
 |     void get_values(VkPastPresentationTimingGOOGLE* values) const { | 
 |         *values = vals_; | 
 |     } | 
 |  | 
 |    public: | 
 |     VkPastPresentationTimingGOOGLE vals_ { 0, 0, 0, 0, 0 }; | 
 |  | 
 |     uint64_t native_frame_id_ { 0 }; | 
 |     int64_t timestamp_desired_present_time_{ NATIVE_WINDOW_TIMESTAMP_PENDING }; | 
 |     int64_t timestamp_actual_present_time_ { NATIVE_WINDOW_TIMESTAMP_PENDING }; | 
 |     int64_t timestamp_render_complete_time_ { NATIVE_WINDOW_TIMESTAMP_PENDING }; | 
 |     int64_t timestamp_composition_latch_time_ | 
 |             { NATIVE_WINDOW_TIMESTAMP_PENDING }; | 
 | }; | 
 |  | 
 | struct Surface { | 
 |     android::sp<ANativeWindow> window; | 
 |     VkSwapchainKHR swapchain_handle; | 
 |     uint64_t consumer_usage; | 
 | }; | 
 |  | 
 | VkSurfaceKHR HandleFromSurface(Surface* surface) { | 
 |     return VkSurfaceKHR(reinterpret_cast<uint64_t>(surface)); | 
 | } | 
 |  | 
 | Surface* SurfaceFromHandle(VkSurfaceKHR handle) { | 
 |     return reinterpret_cast<Surface*>(handle); | 
 | } | 
 |  | 
 | // Maximum number of TimingInfo structs to keep per swapchain: | 
 | enum { MAX_TIMING_INFOS = 10 }; | 
 | // Minimum number of frames to look for in the past (so we don't cause | 
 | // syncronous requests to Surface Flinger): | 
 | enum { MIN_NUM_FRAMES_AGO = 5 }; | 
 |  | 
 | struct Swapchain { | 
 |     Swapchain(Surface& surface_, | 
 |               uint32_t num_images_, | 
 |               VkPresentModeKHR present_mode, | 
 |               int pre_transform_) | 
 |         : surface(surface_), | 
 |           num_images(num_images_), | 
 |           mailbox_mode(present_mode == VK_PRESENT_MODE_MAILBOX_KHR), | 
 |           pre_transform(pre_transform_), | 
 |           frame_timestamps_enabled(false), | 
 |           acquire_next_image_timeout(-1), | 
 |           shared(present_mode == VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR || | 
 |                  present_mode == | 
 |                      VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR) { | 
 |         ANativeWindow* window = surface.window.get(); | 
 |         native_window_get_refresh_cycle_duration( | 
 |             window, | 
 |             &refresh_duration); | 
 |     } | 
 |     uint64_t get_refresh_duration() | 
 |     { | 
 |         ANativeWindow* window = surface.window.get(); | 
 |         native_window_get_refresh_cycle_duration( | 
 |             window, | 
 |             &refresh_duration); | 
 |         return static_cast<uint64_t>(refresh_duration); | 
 |  | 
 |     } | 
 |  | 
 |     Surface& surface; | 
 |     uint32_t num_images; | 
 |     bool mailbox_mode; | 
 |     int pre_transform; | 
 |     bool frame_timestamps_enabled; | 
 |     int64_t refresh_duration; | 
 |     nsecs_t acquire_next_image_timeout; | 
 |     bool shared; | 
 |  | 
 |     struct Image { | 
 |         Image() : image(VK_NULL_HANDLE), dequeue_fence(-1), dequeued(false) {} | 
 |         VkImage image; | 
 |         android::sp<ANativeWindowBuffer> buffer; | 
 |         // The fence is only valid when the buffer is dequeued, and should be | 
 |         // -1 any other time. When valid, we own the fd, and must ensure it is | 
 |         // closed: either by closing it explicitly when queueing the buffer, | 
 |         // or by passing ownership e.g. to ANativeWindow::cancelBuffer(). | 
 |         int dequeue_fence; | 
 |         bool dequeued; | 
 |     } images[android::BufferQueueDefs::NUM_BUFFER_SLOTS]; | 
 |  | 
 |     std::vector<TimingInfo> timing; | 
 | }; | 
 |  | 
 | VkSwapchainKHR HandleFromSwapchain(Swapchain* swapchain) { | 
 |     return VkSwapchainKHR(reinterpret_cast<uint64_t>(swapchain)); | 
 | } | 
 |  | 
 | Swapchain* SwapchainFromHandle(VkSwapchainKHR handle) { | 
 |     return reinterpret_cast<Swapchain*>(handle); | 
 | } | 
 |  | 
 | void ReleaseSwapchainImage(VkDevice device, | 
 |                            ANativeWindow* window, | 
 |                            int release_fence, | 
 |                            Swapchain::Image& image) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     ALOG_ASSERT(release_fence == -1 || image.dequeued, | 
 |                 "ReleaseSwapchainImage: can't provide a release fence for " | 
 |                 "non-dequeued images"); | 
 |  | 
 |     if (image.dequeued) { | 
 |         if (release_fence >= 0) { | 
 |             // We get here from vkQueuePresentKHR. The application is | 
 |             // responsible for creating an execution dependency chain from | 
 |             // vkAcquireNextImage (dequeue_fence) to vkQueuePresentKHR | 
 |             // (release_fence), so we can drop the dequeue_fence here. | 
 |             if (image.dequeue_fence >= 0) | 
 |                 close(image.dequeue_fence); | 
 |         } else { | 
 |             // We get here during swapchain destruction, or various serious | 
 |             // error cases e.g. when we can't create the release_fence during | 
 |             // vkQueuePresentKHR. In non-error cases, the dequeue_fence should | 
 |             // have already signalled, since the swapchain images are supposed | 
 |             // to be idle before the swapchain is destroyed. In error cases, | 
 |             // there may be rendering in flight to the image, but since we | 
 |             // weren't able to create a release_fence, waiting for the | 
 |             // dequeue_fence is about the best we can do. | 
 |             release_fence = image.dequeue_fence; | 
 |         } | 
 |         image.dequeue_fence = -1; | 
 |  | 
 |         if (window) { | 
 |             window->cancelBuffer(window, image.buffer.get(), release_fence); | 
 |         } else { | 
 |             if (release_fence >= 0) { | 
 |                 sync_wait(release_fence, -1 /* forever */); | 
 |                 close(release_fence); | 
 |             } | 
 |         } | 
 |  | 
 |         image.dequeued = false; | 
 |     } | 
 |  | 
 |     if (image.image) { | 
 |         ATRACE_BEGIN("DestroyImage"); | 
 |         GetData(device).driver.DestroyImage(device, image.image, nullptr); | 
 |         ATRACE_END(); | 
 |         image.image = VK_NULL_HANDLE; | 
 |     } | 
 |  | 
 |     image.buffer.clear(); | 
 | } | 
 |  | 
 | void OrphanSwapchain(VkDevice device, Swapchain* swapchain) { | 
 |     if (swapchain->surface.swapchain_handle != HandleFromSwapchain(swapchain)) | 
 |         return; | 
 |     for (uint32_t i = 0; i < swapchain->num_images; i++) { | 
 |         if (!swapchain->images[i].dequeued) | 
 |             ReleaseSwapchainImage(device, nullptr, -1, swapchain->images[i]); | 
 |     } | 
 |     swapchain->surface.swapchain_handle = VK_NULL_HANDLE; | 
 |     swapchain->timing.clear(); | 
 | } | 
 |  | 
 | uint32_t get_num_ready_timings(Swapchain& swapchain) { | 
 |     if (swapchain.timing.size() < MIN_NUM_FRAMES_AGO) { | 
 |         return 0; | 
 |     } | 
 |  | 
 |     uint32_t num_ready = 0; | 
 |     const size_t num_timings = swapchain.timing.size() - MIN_NUM_FRAMES_AGO + 1; | 
 |     for (uint32_t i = 0; i < num_timings; i++) { | 
 |         TimingInfo& ti = swapchain.timing[i]; | 
 |         if (ti.ready()) { | 
 |             // This TimingInfo is ready to be reported to the user.  Add it | 
 |             // to the num_ready. | 
 |             num_ready++; | 
 |             continue; | 
 |         } | 
 |         // This TimingInfo is not yet ready to be reported to the user, | 
 |         // and so we should look for any available timestamps that | 
 |         // might make it ready. | 
 |         int64_t desired_present_time = 0; | 
 |         int64_t render_complete_time = 0; | 
 |         int64_t composition_latch_time = 0; | 
 |         int64_t actual_present_time = 0; | 
 |         // Obtain timestamps: | 
 |         int err = native_window_get_frame_timestamps( | 
 |             swapchain.surface.window.get(), ti.native_frame_id_, | 
 |             &desired_present_time, &render_complete_time, | 
 |             &composition_latch_time, | 
 |             nullptr,  //&first_composition_start_time, | 
 |             nullptr,  //&last_composition_start_time, | 
 |             nullptr,  //&composition_finish_time, | 
 |             &actual_present_time, | 
 |             nullptr,  //&dequeue_ready_time, | 
 |             nullptr /*&reads_done_time*/); | 
 |  | 
 |         if (err != android::OK) { | 
 |             continue; | 
 |         } | 
 |  | 
 |         // Record the timestamp(s) we received, and then see if this TimingInfo | 
 |         // is ready to be reported to the user: | 
 |         ti.timestamp_desired_present_time_ = desired_present_time; | 
 |         ti.timestamp_actual_present_time_ = actual_present_time; | 
 |         ti.timestamp_render_complete_time_ = render_complete_time; | 
 |         ti.timestamp_composition_latch_time_ = composition_latch_time; | 
 |  | 
 |         if (ti.ready()) { | 
 |             // The TimingInfo has received enough timestamps, and should now | 
 |             // use those timestamps to calculate the info that should be | 
 |             // reported to the user: | 
 |             ti.calculate(swapchain.refresh_duration); | 
 |             num_ready++; | 
 |         } | 
 |     } | 
 |     return num_ready; | 
 | } | 
 |  | 
 | void copy_ready_timings(Swapchain& swapchain, | 
 |                         uint32_t* count, | 
 |                         VkPastPresentationTimingGOOGLE* timings) { | 
 |     if (swapchain.timing.empty()) { | 
 |         *count = 0; | 
 |         return; | 
 |     } | 
 |  | 
 |     size_t last_ready = swapchain.timing.size() - 1; | 
 |     while (!swapchain.timing[last_ready].ready()) { | 
 |         if (last_ready == 0) { | 
 |             *count = 0; | 
 |             return; | 
 |         } | 
 |         last_ready--; | 
 |     } | 
 |  | 
 |     uint32_t num_copied = 0; | 
 |     int32_t num_to_remove = 0; | 
 |     for (uint32_t i = 0; i <= last_ready && num_copied < *count; i++) { | 
 |         const TimingInfo& ti = swapchain.timing[i]; | 
 |         if (ti.ready()) { | 
 |             ti.get_values(&timings[num_copied]); | 
 |             num_copied++; | 
 |         } | 
 |         num_to_remove++; | 
 |     } | 
 |  | 
 |     // Discard old frames that aren't ready if newer frames are ready. | 
 |     // We don't expect to get the timing info for those old frames. | 
 |     swapchain.timing.erase(swapchain.timing.begin(), | 
 |                            swapchain.timing.begin() + num_to_remove); | 
 |  | 
 |     *count = num_copied; | 
 | } | 
 |  | 
 | android_pixel_format GetNativePixelFormat(VkFormat format) { | 
 |     android_pixel_format native_format = HAL_PIXEL_FORMAT_RGBA_8888; | 
 |     switch (format) { | 
 |         case VK_FORMAT_R8G8B8A8_UNORM: | 
 |         case VK_FORMAT_R8G8B8A8_SRGB: | 
 |             native_format = HAL_PIXEL_FORMAT_RGBA_8888; | 
 |             break; | 
 |         case VK_FORMAT_R5G6B5_UNORM_PACK16: | 
 |             native_format = HAL_PIXEL_FORMAT_RGB_565; | 
 |             break; | 
 |         case VK_FORMAT_R16G16B16A16_SFLOAT: | 
 |             native_format = HAL_PIXEL_FORMAT_RGBA_FP16; | 
 |             break; | 
 |         case VK_FORMAT_A2B10G10R10_UNORM_PACK32: | 
 |             native_format = HAL_PIXEL_FORMAT_RGBA_1010102; | 
 |             break; | 
 |         default: | 
 |             ALOGV("unsupported swapchain format %d", format); | 
 |             break; | 
 |     } | 
 |     return native_format; | 
 | } | 
 |  | 
 | android_dataspace GetNativeDataspace(VkColorSpaceKHR colorspace) { | 
 |     switch (colorspace) { | 
 |         case VK_COLOR_SPACE_SRGB_NONLINEAR_KHR: | 
 |             return HAL_DATASPACE_V0_SRGB; | 
 |         case VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT: | 
 |             return HAL_DATASPACE_DISPLAY_P3; | 
 |         case VK_COLOR_SPACE_EXTENDED_SRGB_LINEAR_EXT: | 
 |             return HAL_DATASPACE_V0_SCRGB_LINEAR; | 
 |         case VK_COLOR_SPACE_EXTENDED_SRGB_NONLINEAR_EXT: | 
 |             return HAL_DATASPACE_V0_SCRGB; | 
 |         case VK_COLOR_SPACE_DCI_P3_LINEAR_EXT: | 
 |             return HAL_DATASPACE_DCI_P3_LINEAR; | 
 |         case VK_COLOR_SPACE_DCI_P3_NONLINEAR_EXT: | 
 |             return HAL_DATASPACE_DCI_P3; | 
 |         case VK_COLOR_SPACE_BT709_LINEAR_EXT: | 
 |             return HAL_DATASPACE_V0_SRGB_LINEAR; | 
 |         case VK_COLOR_SPACE_BT709_NONLINEAR_EXT: | 
 |             return HAL_DATASPACE_V0_SRGB; | 
 |         case VK_COLOR_SPACE_BT2020_LINEAR_EXT: | 
 |             return HAL_DATASPACE_BT2020_LINEAR; | 
 |         case VK_COLOR_SPACE_HDR10_ST2084_EXT: | 
 |             return static_cast<android_dataspace>( | 
 |                 HAL_DATASPACE_STANDARD_BT2020 | HAL_DATASPACE_TRANSFER_ST2084 | | 
 |                 HAL_DATASPACE_RANGE_FULL); | 
 |         case VK_COLOR_SPACE_DOLBYVISION_EXT: | 
 |             return static_cast<android_dataspace>( | 
 |                 HAL_DATASPACE_STANDARD_BT2020 | HAL_DATASPACE_TRANSFER_ST2084 | | 
 |                 HAL_DATASPACE_RANGE_FULL); | 
 |         case VK_COLOR_SPACE_HDR10_HLG_EXT: | 
 |             return static_cast<android_dataspace>( | 
 |                 HAL_DATASPACE_STANDARD_BT2020 | HAL_DATASPACE_TRANSFER_HLG | | 
 |                 HAL_DATASPACE_RANGE_FULL); | 
 |         case VK_COLOR_SPACE_ADOBERGB_LINEAR_EXT: | 
 |             return static_cast<android_dataspace>( | 
 |                 HAL_DATASPACE_STANDARD_ADOBE_RGB | | 
 |                 HAL_DATASPACE_TRANSFER_LINEAR | HAL_DATASPACE_RANGE_FULL); | 
 |         case VK_COLOR_SPACE_ADOBERGB_NONLINEAR_EXT: | 
 |             return HAL_DATASPACE_ADOBE_RGB; | 
 |  | 
 |         // Pass through is intended to allow app to provide data that is passed | 
 |         // to the display system without modification. | 
 |         case VK_COLOR_SPACE_PASS_THROUGH_EXT: | 
 |             return HAL_DATASPACE_ARBITRARY; | 
 |  | 
 |         default: | 
 |             // This indicates that we don't know about the | 
 |             // dataspace specified and we should indicate that | 
 |             // it's unsupported | 
 |             return HAL_DATASPACE_UNKNOWN; | 
 |     } | 
 | } | 
 |  | 
 | }  // anonymous namespace | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult CreateAndroidSurfaceKHR( | 
 |     VkInstance instance, | 
 |     const VkAndroidSurfaceCreateInfoKHR* pCreateInfo, | 
 |     const VkAllocationCallbacks* allocator, | 
 |     VkSurfaceKHR* out_surface) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     if (!allocator) | 
 |         allocator = &GetData(instance).allocator; | 
 |     void* mem = allocator->pfnAllocation(allocator->pUserData, sizeof(Surface), | 
 |                                          alignof(Surface), | 
 |                                          VK_SYSTEM_ALLOCATION_SCOPE_OBJECT); | 
 |     if (!mem) | 
 |         return VK_ERROR_OUT_OF_HOST_MEMORY; | 
 |     Surface* surface = new (mem) Surface; | 
 |  | 
 |     surface->window = pCreateInfo->window; | 
 |     surface->swapchain_handle = VK_NULL_HANDLE; | 
 |     int err = native_window_get_consumer_usage(surface->window.get(), | 
 |                                                &surface->consumer_usage); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_get_consumer_usage() failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         surface->~Surface(); | 
 |         allocator->pfnFree(allocator->pUserData, surface); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     err = | 
 |         native_window_api_connect(surface->window.get(), NATIVE_WINDOW_API_EGL); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_api_connect() failed: %s (%d)", strerror(-err), | 
 |               err); | 
 |         surface->~Surface(); | 
 |         allocator->pfnFree(allocator->pUserData, surface); | 
 |         return VK_ERROR_NATIVE_WINDOW_IN_USE_KHR; | 
 |     } | 
 |  | 
 |     *out_surface = HandleFromSurface(surface); | 
 |     return VK_SUCCESS; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | void DestroySurfaceKHR(VkInstance instance, | 
 |                        VkSurfaceKHR surface_handle, | 
 |                        const VkAllocationCallbacks* allocator) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     Surface* surface = SurfaceFromHandle(surface_handle); | 
 |     if (!surface) | 
 |         return; | 
 |     native_window_api_disconnect(surface->window.get(), NATIVE_WINDOW_API_EGL); | 
 |     ALOGV_IF(surface->swapchain_handle != VK_NULL_HANDLE, | 
 |              "destroyed VkSurfaceKHR 0x%" PRIx64 | 
 |              " has active VkSwapchainKHR 0x%" PRIx64, | 
 |              reinterpret_cast<uint64_t>(surface_handle), | 
 |              reinterpret_cast<uint64_t>(surface->swapchain_handle)); | 
 |     surface->~Surface(); | 
 |     if (!allocator) | 
 |         allocator = &GetData(instance).allocator; | 
 |     allocator->pfnFree(allocator->pUserData, surface); | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetPhysicalDeviceSurfaceSupportKHR(VkPhysicalDevice /*pdev*/, | 
 |                                             uint32_t /*queue_family*/, | 
 |                                             VkSurfaceKHR surface_handle, | 
 |                                             VkBool32* supported) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     const Surface* surface = SurfaceFromHandle(surface_handle); | 
 |     if (!surface) { | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |     const ANativeWindow* window = surface->window.get(); | 
 |  | 
 |     int query_value; | 
 |     int err = window->query(window, NATIVE_WINDOW_FORMAT, &query_value); | 
 |     if (err != android::OK || query_value < 0) { | 
 |         ALOGE("NATIVE_WINDOW_FORMAT query failed: %s (%d) value=%d", | 
 |               strerror(-err), err, query_value); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     android_pixel_format native_format = | 
 |         static_cast<android_pixel_format>(query_value); | 
 |  | 
 |     bool format_supported = false; | 
 |     switch (native_format) { | 
 |         case HAL_PIXEL_FORMAT_RGBA_8888: | 
 |         case HAL_PIXEL_FORMAT_RGB_565: | 
 |         case HAL_PIXEL_FORMAT_RGBA_FP16: | 
 |         case HAL_PIXEL_FORMAT_RGBA_1010102: | 
 |             format_supported = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     *supported = static_cast<VkBool32>( | 
 |         format_supported || (surface->consumer_usage & | 
 |                              (AHARDWAREBUFFER_USAGE_CPU_READ_MASK | | 
 |                               AHARDWAREBUFFER_USAGE_CPU_WRITE_MASK)) == 0); | 
 |  | 
 |     return VK_SUCCESS; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetPhysicalDeviceSurfaceCapabilitiesKHR( | 
 |     VkPhysicalDevice /*pdev*/, | 
 |     VkSurfaceKHR surface, | 
 |     VkSurfaceCapabilitiesKHR* capabilities) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     int err; | 
 |     ANativeWindow* window = SurfaceFromHandle(surface)->window.get(); | 
 |  | 
 |     int width, height; | 
 |     err = window->query(window, NATIVE_WINDOW_DEFAULT_WIDTH, &width); | 
 |     if (err != android::OK) { | 
 |         ALOGE("NATIVE_WINDOW_DEFAULT_WIDTH query failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |     err = window->query(window, NATIVE_WINDOW_DEFAULT_HEIGHT, &height); | 
 |     if (err != android::OK) { | 
 |         ALOGE("NATIVE_WINDOW_DEFAULT_WIDTH query failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     int transform_hint; | 
 |     err = window->query(window, NATIVE_WINDOW_TRANSFORM_HINT, &transform_hint); | 
 |     if (err != android::OK) { | 
 |         ALOGE("NATIVE_WINDOW_TRANSFORM_HINT query failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     int max_buffer_count; | 
 |     err = window->query(window, NATIVE_WINDOW_MAX_BUFFER_COUNT, &max_buffer_count); | 
 |     if (err != android::OK) { | 
 |         ALOGE("NATIVE_WINDOW_MAX_BUFFER_COUNT query failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |     capabilities->minImageCount = max_buffer_count == 1 ? 1 : 2; | 
 |     capabilities->maxImageCount = static_cast<uint32_t>(max_buffer_count); | 
 |  | 
 |     capabilities->currentExtent = | 
 |         VkExtent2D{static_cast<uint32_t>(width), static_cast<uint32_t>(height)}; | 
 |  | 
 |     // TODO(http://b/134182502): Figure out what the max extent should be. | 
 |     capabilities->minImageExtent = VkExtent2D{1, 1}; | 
 |     capabilities->maxImageExtent = VkExtent2D{4096, 4096}; | 
 |  | 
 |     capabilities->maxImageArrayLayers = 1; | 
 |  | 
 |     capabilities->supportedTransforms = kSupportedTransforms; | 
 |     capabilities->currentTransform = | 
 |         TranslateNativeToVulkanTransform(transform_hint); | 
 |  | 
 |     // On Android, window composition is a WindowManager property, not something | 
 |     // associated with the bufferqueue. It can't be changed from here. | 
 |     capabilities->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR; | 
 |  | 
 |     capabilities->supportedUsageFlags = | 
 |         VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | | 
 |         VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_STORAGE_BIT | | 
 |         VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | | 
 |         VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT; | 
 |  | 
 |     return VK_SUCCESS; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetPhysicalDeviceSurfaceFormatsKHR(VkPhysicalDevice pdev, | 
 |                                             VkSurfaceKHR surface_handle, | 
 |                                             uint32_t* count, | 
 |                                             VkSurfaceFormatKHR* formats) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     const InstanceData& instance_data = GetData(pdev); | 
 |  | 
 |     bool wide_color_support = false; | 
 |     Surface& surface = *SurfaceFromHandle(surface_handle); | 
 |     int err = native_window_get_wide_color_support(surface.window.get(), | 
 |                                                    &wide_color_support); | 
 |     if (err) { | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |     ALOGV("wide_color_support is: %d", wide_color_support); | 
 |     wide_color_support = | 
 |         wide_color_support && | 
 |         instance_data.hook_extensions.test(ProcHook::EXT_swapchain_colorspace); | 
 |  | 
 |     AHardwareBuffer_Desc desc = {}; | 
 |     desc.width = 1; | 
 |     desc.height = 1; | 
 |     desc.layers = 1; | 
 |     desc.usage = surface.consumer_usage | | 
 |                  AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE | | 
 |                  AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER; | 
 |  | 
 |     // We must support R8G8B8A8 | 
 |     std::vector<VkSurfaceFormatKHR> all_formats = { | 
 |         {VK_FORMAT_R8G8B8A8_UNORM, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR}, | 
 |         {VK_FORMAT_R8G8B8A8_SRGB, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR}}; | 
 |  | 
 |     if (wide_color_support) { | 
 |         all_formats.emplace_back(VkSurfaceFormatKHR{ | 
 |             VK_FORMAT_R8G8B8A8_UNORM, VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT}); | 
 |         all_formats.emplace_back(VkSurfaceFormatKHR{ | 
 |             VK_FORMAT_R8G8B8A8_SRGB, VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT}); | 
 |     } | 
 |  | 
 |     desc.format = AHARDWAREBUFFER_FORMAT_R5G6B5_UNORM; | 
 |     if (AHardwareBuffer_isSupported(&desc)) { | 
 |         all_formats.emplace_back(VkSurfaceFormatKHR{ | 
 |             VK_FORMAT_R5G6B5_UNORM_PACK16, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR}); | 
 |     } | 
 |  | 
 |     desc.format = AHARDWAREBUFFER_FORMAT_R16G16B16A16_FLOAT; | 
 |     if (AHardwareBuffer_isSupported(&desc)) { | 
 |         all_formats.emplace_back(VkSurfaceFormatKHR{ | 
 |             VK_FORMAT_R16G16B16A16_SFLOAT, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR}); | 
 |         if (wide_color_support) { | 
 |             all_formats.emplace_back( | 
 |                 VkSurfaceFormatKHR{VK_FORMAT_R16G16B16A16_SFLOAT, | 
 |                                    VK_COLOR_SPACE_EXTENDED_SRGB_LINEAR_EXT}); | 
 |             all_formats.emplace_back( | 
 |                 VkSurfaceFormatKHR{VK_FORMAT_R16G16B16A16_SFLOAT, | 
 |                                    VK_COLOR_SPACE_EXTENDED_SRGB_NONLINEAR_EXT}); | 
 |         } | 
 |     } | 
 |  | 
 |     desc.format = AHARDWAREBUFFER_FORMAT_R10G10B10A2_UNORM; | 
 |     if (AHardwareBuffer_isSupported(&desc)) { | 
 |         all_formats.emplace_back( | 
 |             VkSurfaceFormatKHR{VK_FORMAT_A2B10G10R10_UNORM_PACK32, | 
 |                                VK_COLOR_SPACE_SRGB_NONLINEAR_KHR}); | 
 |         if (wide_color_support) { | 
 |             all_formats.emplace_back( | 
 |                 VkSurfaceFormatKHR{VK_FORMAT_A2B10G10R10_UNORM_PACK32, | 
 |                                    VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT}); | 
 |         } | 
 |     } | 
 |  | 
 |     VkResult result = VK_SUCCESS; | 
 |     if (formats) { | 
 |         uint32_t transfer_count = all_formats.size(); | 
 |         if (transfer_count > *count) { | 
 |             transfer_count = *count; | 
 |             result = VK_INCOMPLETE; | 
 |         } | 
 |         std::copy(all_formats.begin(), all_formats.begin() + transfer_count, | 
 |                   formats); | 
 |         *count = transfer_count; | 
 |     } else { | 
 |         *count = all_formats.size(); | 
 |     } | 
 |  | 
 |     return result; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetPhysicalDeviceSurfaceCapabilities2KHR( | 
 |     VkPhysicalDevice physicalDevice, | 
 |     const VkPhysicalDeviceSurfaceInfo2KHR* pSurfaceInfo, | 
 |     VkSurfaceCapabilities2KHR* pSurfaceCapabilities) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     VkResult result = GetPhysicalDeviceSurfaceCapabilitiesKHR( | 
 |         physicalDevice, pSurfaceInfo->surface, | 
 |         &pSurfaceCapabilities->surfaceCapabilities); | 
 |  | 
 |     VkSurfaceCapabilities2KHR* caps = pSurfaceCapabilities; | 
 |     while (caps->pNext) { | 
 |         caps = reinterpret_cast<VkSurfaceCapabilities2KHR*>(caps->pNext); | 
 |  | 
 |         switch (caps->sType) { | 
 |             case VK_STRUCTURE_TYPE_SHARED_PRESENT_SURFACE_CAPABILITIES_KHR: { | 
 |                 VkSharedPresentSurfaceCapabilitiesKHR* shared_caps = | 
 |                     reinterpret_cast<VkSharedPresentSurfaceCapabilitiesKHR*>( | 
 |                         caps); | 
 |                 // Claim same set of usage flags are supported for | 
 |                 // shared present modes as for other modes. | 
 |                 shared_caps->sharedPresentSupportedUsageFlags = | 
 |                     pSurfaceCapabilities->surfaceCapabilities | 
 |                         .supportedUsageFlags; | 
 |             } break; | 
 |  | 
 |             default: | 
 |                 // Ignore all other extension structs | 
 |                 break; | 
 |         } | 
 |     } | 
 |  | 
 |     return result; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetPhysicalDeviceSurfaceFormats2KHR( | 
 |     VkPhysicalDevice physicalDevice, | 
 |     const VkPhysicalDeviceSurfaceInfo2KHR* pSurfaceInfo, | 
 |     uint32_t* pSurfaceFormatCount, | 
 |     VkSurfaceFormat2KHR* pSurfaceFormats) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     if (!pSurfaceFormats) { | 
 |         return GetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, | 
 |                                                   pSurfaceInfo->surface, | 
 |                                                   pSurfaceFormatCount, nullptr); | 
 |     } else { | 
 |         // temp vector for forwarding; we'll marshal it into the pSurfaceFormats | 
 |         // after the call. | 
 |         std::vector<VkSurfaceFormatKHR> surface_formats(*pSurfaceFormatCount); | 
 |         VkResult result = GetPhysicalDeviceSurfaceFormatsKHR( | 
 |             physicalDevice, pSurfaceInfo->surface, pSurfaceFormatCount, | 
 |             surface_formats.data()); | 
 |  | 
 |         if (result == VK_SUCCESS || result == VK_INCOMPLETE) { | 
 |             // marshal results individually due to stride difference. | 
 |             // completely ignore any chained extension structs. | 
 |             uint32_t formats_to_marshal = *pSurfaceFormatCount; | 
 |             for (uint32_t i = 0u; i < formats_to_marshal; i++) { | 
 |                 pSurfaceFormats[i].surfaceFormat = surface_formats[i]; | 
 |             } | 
 |         } | 
 |  | 
 |         return result; | 
 |     } | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetPhysicalDeviceSurfacePresentModesKHR(VkPhysicalDevice pdev, | 
 |                                                  VkSurfaceKHR surface, | 
 |                                                  uint32_t* count, | 
 |                                                  VkPresentModeKHR* modes) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     int err; | 
 |     int query_value; | 
 |     ANativeWindow* window = SurfaceFromHandle(surface)->window.get(); | 
 |  | 
 |     err = window->query(window, NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &query_value); | 
 |     if (err != android::OK || query_value < 0) { | 
 |         ALOGE("NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS query failed: %s (%d) value=%d", | 
 |               strerror(-err), err, query_value); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |     uint32_t min_undequeued_buffers = static_cast<uint32_t>(query_value); | 
 |  | 
 |     err = window->query(window, NATIVE_WINDOW_MAX_BUFFER_COUNT, &query_value); | 
 |     if (err != android::OK || query_value < 0) { | 
 |         ALOGE("NATIVE_WINDOW_MAX_BUFFER_COUNT query failed: %s (%d) value=%d", | 
 |               strerror(-err), err, query_value); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |     uint32_t max_buffer_count = static_cast<uint32_t>(query_value); | 
 |  | 
 |     std::vector<VkPresentModeKHR> present_modes; | 
 |     if (min_undequeued_buffers + 1 < max_buffer_count) | 
 |         present_modes.push_back(VK_PRESENT_MODE_MAILBOX_KHR); | 
 |     present_modes.push_back(VK_PRESENT_MODE_FIFO_KHR); | 
 |  | 
 |     VkPhysicalDevicePresentationPropertiesANDROID present_properties; | 
 |     if (QueryPresentationProperties(pdev, &present_properties)) { | 
 |         if (present_properties.sharedImage) { | 
 |             present_modes.push_back(VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR); | 
 |             present_modes.push_back(VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR); | 
 |         } | 
 |     } | 
 |  | 
 |     uint32_t num_modes = uint32_t(present_modes.size()); | 
 |  | 
 |     VkResult result = VK_SUCCESS; | 
 |     if (modes) { | 
 |         if (*count < num_modes) | 
 |             result = VK_INCOMPLETE; | 
 |         *count = std::min(*count, num_modes); | 
 |         std::copy_n(present_modes.data(), *count, modes); | 
 |     } else { | 
 |         *count = num_modes; | 
 |     } | 
 |     return result; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetDeviceGroupPresentCapabilitiesKHR( | 
 |     VkDevice, | 
 |     VkDeviceGroupPresentCapabilitiesKHR* pDeviceGroupPresentCapabilities) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     ALOGV_IF(pDeviceGroupPresentCapabilities->sType != | 
 |                  VK_STRUCTURE_TYPE_DEVICE_GROUP_PRESENT_CAPABILITIES_KHR, | 
 |              "vkGetDeviceGroupPresentCapabilitiesKHR: invalid " | 
 |              "VkDeviceGroupPresentCapabilitiesKHR structure type %d", | 
 |              pDeviceGroupPresentCapabilities->sType); | 
 |  | 
 |     memset(pDeviceGroupPresentCapabilities->presentMask, 0, | 
 |            sizeof(pDeviceGroupPresentCapabilities->presentMask)); | 
 |  | 
 |     // assume device group of size 1 | 
 |     pDeviceGroupPresentCapabilities->presentMask[0] = 1 << 0; | 
 |     pDeviceGroupPresentCapabilities->modes = | 
 |         VK_DEVICE_GROUP_PRESENT_MODE_LOCAL_BIT_KHR; | 
 |  | 
 |     return VK_SUCCESS; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetDeviceGroupSurfacePresentModesKHR( | 
 |     VkDevice, | 
 |     VkSurfaceKHR, | 
 |     VkDeviceGroupPresentModeFlagsKHR* pModes) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     *pModes = VK_DEVICE_GROUP_PRESENT_MODE_LOCAL_BIT_KHR; | 
 |     return VK_SUCCESS; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetPhysicalDevicePresentRectanglesKHR(VkPhysicalDevice, | 
 |                                                VkSurfaceKHR surface, | 
 |                                                uint32_t* pRectCount, | 
 |                                                VkRect2D* pRects) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     if (!pRects) { | 
 |         *pRectCount = 1; | 
 |     } else { | 
 |         uint32_t count = std::min(*pRectCount, 1u); | 
 |         bool incomplete = *pRectCount < 1; | 
 |  | 
 |         *pRectCount = count; | 
 |  | 
 |         if (incomplete) { | 
 |             return VK_INCOMPLETE; | 
 |         } | 
 |  | 
 |         int err; | 
 |         ANativeWindow* window = SurfaceFromHandle(surface)->window.get(); | 
 |  | 
 |         int width = 0, height = 0; | 
 |         err = window->query(window, NATIVE_WINDOW_DEFAULT_WIDTH, &width); | 
 |         if (err != android::OK) { | 
 |             ALOGE("NATIVE_WINDOW_DEFAULT_WIDTH query failed: %s (%d)", | 
 |                   strerror(-err), err); | 
 |         } | 
 |         err = window->query(window, NATIVE_WINDOW_DEFAULT_HEIGHT, &height); | 
 |         if (err != android::OK) { | 
 |             ALOGE("NATIVE_WINDOW_DEFAULT_WIDTH query failed: %s (%d)", | 
 |                   strerror(-err), err); | 
 |         } | 
 |  | 
 |         // TODO(b/143294545): Return something better than "whole window" | 
 |         pRects[0].offset.x = 0; | 
 |         pRects[0].offset.y = 0; | 
 |         pRects[0].extent = VkExtent2D{static_cast<uint32_t>(width), | 
 |                                       static_cast<uint32_t>(height)}; | 
 |     } | 
 |     return VK_SUCCESS; | 
 | } | 
 |  | 
 | static void DestroySwapchainInternal(VkDevice device, | 
 |                                      VkSwapchainKHR swapchain_handle, | 
 |                                      const VkAllocationCallbacks* allocator) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     const auto& dispatch = GetData(device).driver; | 
 |     Swapchain* swapchain = SwapchainFromHandle(swapchain_handle); | 
 |     if (!swapchain) { | 
 |         return; | 
 |     } | 
 |  | 
 |     bool active = swapchain->surface.swapchain_handle == swapchain_handle; | 
 |     ANativeWindow* window = active ? swapchain->surface.window.get() : nullptr; | 
 |  | 
 |     if (window && swapchain->frame_timestamps_enabled) { | 
 |         native_window_enable_frame_timestamps(window, false); | 
 |     } | 
 |  | 
 |     for (uint32_t i = 0; i < swapchain->num_images; i++) { | 
 |         ReleaseSwapchainImage(device, window, -1, swapchain->images[i]); | 
 |     } | 
 |  | 
 |     if (active) { | 
 |         swapchain->surface.swapchain_handle = VK_NULL_HANDLE; | 
 |     } | 
 |  | 
 |     if (!allocator) { | 
 |         allocator = &GetData(device).allocator; | 
 |     } | 
 |  | 
 |     swapchain->~Swapchain(); | 
 |     allocator->pfnFree(allocator->pUserData, swapchain); | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult CreateSwapchainKHR(VkDevice device, | 
 |                             const VkSwapchainCreateInfoKHR* create_info, | 
 |                             const VkAllocationCallbacks* allocator, | 
 |                             VkSwapchainKHR* swapchain_handle) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     int err; | 
 |     VkResult result = VK_SUCCESS; | 
 |  | 
 |     ALOGV("vkCreateSwapchainKHR: surface=0x%" PRIx64 | 
 |           " minImageCount=%u imageFormat=%u imageColorSpace=%u" | 
 |           " imageExtent=%ux%u imageUsage=%#x preTransform=%u presentMode=%u" | 
 |           " oldSwapchain=0x%" PRIx64, | 
 |           reinterpret_cast<uint64_t>(create_info->surface), | 
 |           create_info->minImageCount, create_info->imageFormat, | 
 |           create_info->imageColorSpace, create_info->imageExtent.width, | 
 |           create_info->imageExtent.height, create_info->imageUsage, | 
 |           create_info->preTransform, create_info->presentMode, | 
 |           reinterpret_cast<uint64_t>(create_info->oldSwapchain)); | 
 |  | 
 |     if (!allocator) | 
 |         allocator = &GetData(device).allocator; | 
 |  | 
 |     android_pixel_format native_pixel_format = | 
 |         GetNativePixelFormat(create_info->imageFormat); | 
 |     android_dataspace native_dataspace = | 
 |         GetNativeDataspace(create_info->imageColorSpace); | 
 |     if (native_dataspace == HAL_DATASPACE_UNKNOWN) { | 
 |         ALOGE( | 
 |             "CreateSwapchainKHR(VkSwapchainCreateInfoKHR.imageColorSpace = %d) " | 
 |             "failed: Unsupported color space", | 
 |             create_info->imageColorSpace); | 
 |         return VK_ERROR_INITIALIZATION_FAILED; | 
 |     } | 
 |  | 
 |     ALOGV_IF(create_info->imageArrayLayers != 1, | 
 |              "swapchain imageArrayLayers=%u not supported", | 
 |              create_info->imageArrayLayers); | 
 |     ALOGV_IF((create_info->preTransform & ~kSupportedTransforms) != 0, | 
 |              "swapchain preTransform=%#x not supported", | 
 |              create_info->preTransform); | 
 |     ALOGV_IF(!(create_info->presentMode == VK_PRESENT_MODE_FIFO_KHR || | 
 |                create_info->presentMode == VK_PRESENT_MODE_MAILBOX_KHR || | 
 |                create_info->presentMode == VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR || | 
 |                create_info->presentMode == VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR), | 
 |              "swapchain presentMode=%u not supported", | 
 |              create_info->presentMode); | 
 |  | 
 |     Surface& surface = *SurfaceFromHandle(create_info->surface); | 
 |  | 
 |     if (surface.swapchain_handle != create_info->oldSwapchain) { | 
 |         ALOGV("Can't create a swapchain for VkSurfaceKHR 0x%" PRIx64 | 
 |               " because it already has active swapchain 0x%" PRIx64 | 
 |               " but VkSwapchainCreateInfo::oldSwapchain=0x%" PRIx64, | 
 |               reinterpret_cast<uint64_t>(create_info->surface), | 
 |               reinterpret_cast<uint64_t>(surface.swapchain_handle), | 
 |               reinterpret_cast<uint64_t>(create_info->oldSwapchain)); | 
 |         return VK_ERROR_NATIVE_WINDOW_IN_USE_KHR; | 
 |     } | 
 |     if (create_info->oldSwapchain != VK_NULL_HANDLE) | 
 |         OrphanSwapchain(device, SwapchainFromHandle(create_info->oldSwapchain)); | 
 |  | 
 |     // -- Reset the native window -- | 
 |     // The native window might have been used previously, and had its properties | 
 |     // changed from defaults. That will affect the answer we get for queries | 
 |     // like MIN_UNDEQUED_BUFFERS. Reset to a known/default state before we | 
 |     // attempt such queries. | 
 |  | 
 |     // The native window only allows dequeueing all buffers before any have | 
 |     // been queued, since after that point at least one is assumed to be in | 
 |     // non-FREE state at any given time. Disconnecting and re-connecting | 
 |     // orphans the previous buffers, getting us back to the state where we can | 
 |     // dequeue all buffers. | 
 |     // | 
 |     // TODO(http://b/134186185) recycle swapchain images more efficiently | 
 |     ANativeWindow* window = surface.window.get(); | 
 |     err = native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL); | 
 |     ALOGW_IF(err != android::OK, "native_window_api_disconnect failed: %s (%d)", | 
 |              strerror(-err), err); | 
 |     err = native_window_api_connect(window, NATIVE_WINDOW_API_EGL); | 
 |     ALOGW_IF(err != android::OK, "native_window_api_connect failed: %s (%d)", | 
 |              strerror(-err), err); | 
 |  | 
 |     err = window->perform(window, NATIVE_WINDOW_SET_DEQUEUE_TIMEOUT, -1); | 
 |     if (err != android::OK) { | 
 |         ALOGE("window->perform(SET_DEQUEUE_TIMEOUT) failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     err = native_window_set_buffer_count(window, 0); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_buffer_count(0) failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     int swap_interval = | 
 |         create_info->presentMode == VK_PRESENT_MODE_MAILBOX_KHR ? 0 : 1; | 
 |     err = window->setSwapInterval(window, swap_interval); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window->setSwapInterval(1) failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     err = native_window_set_shared_buffer_mode(window, false); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_shared_buffer_mode(false) failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     err = native_window_set_auto_refresh(window, false); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_auto_refresh(false) failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     // -- Configure the native window -- | 
 |  | 
 |     const auto& dispatch = GetData(device).driver; | 
 |  | 
 |     err = native_window_set_buffers_format(window, native_pixel_format); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_buffers_format(%d) failed: %s (%d)", | 
 |               native_pixel_format, strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |     err = native_window_set_buffers_data_space(window, native_dataspace); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_buffers_data_space(%d) failed: %s (%d)", | 
 |               native_dataspace, strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     err = native_window_set_buffers_dimensions( | 
 |         window, static_cast<int>(create_info->imageExtent.width), | 
 |         static_cast<int>(create_info->imageExtent.height)); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_buffers_dimensions(%d,%d) failed: %s (%d)", | 
 |               create_info->imageExtent.width, create_info->imageExtent.height, | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     // VkSwapchainCreateInfo::preTransform indicates the transformation the app | 
 |     // applied during rendering. native_window_set_transform() expects the | 
 |     // inverse: the transform the app is requesting that the compositor perform | 
 |     // during composition. With native windows, pre-transform works by rendering | 
 |     // with the same transform the compositor is applying (as in Vulkan), but | 
 |     // then requesting the inverse transform, so that when the compositor does | 
 |     // it's job the two transforms cancel each other out and the compositor ends | 
 |     // up applying an identity transform to the app's buffer. | 
 |     err = native_window_set_buffers_transform( | 
 |         window, InvertTransformToNative(create_info->preTransform)); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_buffers_transform(%d) failed: %s (%d)", | 
 |               InvertTransformToNative(create_info->preTransform), | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     err = native_window_set_scaling_mode( | 
 |         window, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_scaling_mode(SCALE_TO_WINDOW) failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     VkSwapchainImageUsageFlagsANDROID swapchain_image_usage = 0; | 
 |     if (create_info->presentMode == VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR || | 
 |         create_info->presentMode == VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR) { | 
 |         swapchain_image_usage |= VK_SWAPCHAIN_IMAGE_USAGE_SHARED_BIT_ANDROID; | 
 |         err = native_window_set_shared_buffer_mode(window, true); | 
 |         if (err != android::OK) { | 
 |             ALOGE("native_window_set_shared_buffer_mode failed: %s (%d)", strerror(-err), err); | 
 |             return VK_ERROR_SURFACE_LOST_KHR; | 
 |         } | 
 |     } | 
 |  | 
 |     if (create_info->presentMode == VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR) { | 
 |         err = native_window_set_auto_refresh(window, true); | 
 |         if (err != android::OK) { | 
 |             ALOGE("native_window_set_auto_refresh failed: %s (%d)", strerror(-err), err); | 
 |             return VK_ERROR_SURFACE_LOST_KHR; | 
 |         } | 
 |     } | 
 |  | 
 |     int query_value; | 
 |     err = window->query(window, NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, | 
 |                         &query_value); | 
 |     if (err != android::OK || query_value < 0) { | 
 |         ALOGE("window->query failed: %s (%d) value=%d", strerror(-err), err, | 
 |               query_value); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |     uint32_t min_undequeued_buffers = static_cast<uint32_t>(query_value); | 
 |     uint32_t num_images = | 
 |         (swap_interval ? create_info->minImageCount | 
 |                        : std::max(3u, create_info->minImageCount)) - | 
 |         1 + min_undequeued_buffers; | 
 |  | 
 |     // Lower layer insists that we have at least two buffers. This is wasteful | 
 |     // and we'd like to relax it in the shared case, but not all the pieces are | 
 |     // in place for that to work yet. Note we only lie to the lower layer-- we | 
 |     // don't want to give the app back a swapchain with extra images (which they | 
 |     // can't actually use!). | 
 |     err = native_window_set_buffer_count(window, std::max(2u, num_images)); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_buffer_count(%d) failed: %s (%d)", num_images, | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     int32_t legacy_usage = 0; | 
 |     if (dispatch.GetSwapchainGrallocUsage2ANDROID) { | 
 |         uint64_t consumer_usage, producer_usage; | 
 |         ATRACE_BEGIN("GetSwapchainGrallocUsage2ANDROID"); | 
 |         result = dispatch.GetSwapchainGrallocUsage2ANDROID( | 
 |             device, create_info->imageFormat, create_info->imageUsage, | 
 |             swapchain_image_usage, &consumer_usage, &producer_usage); | 
 |         ATRACE_END(); | 
 |         if (result != VK_SUCCESS) { | 
 |             ALOGE("vkGetSwapchainGrallocUsage2ANDROID failed: %d", result); | 
 |             return VK_ERROR_SURFACE_LOST_KHR; | 
 |         } | 
 |         legacy_usage = | 
 |             android_convertGralloc1To0Usage(producer_usage, consumer_usage); | 
 |     } else if (dispatch.GetSwapchainGrallocUsageANDROID) { | 
 |         ATRACE_BEGIN("GetSwapchainGrallocUsageANDROID"); | 
 |         result = dispatch.GetSwapchainGrallocUsageANDROID( | 
 |             device, create_info->imageFormat, create_info->imageUsage, | 
 |             &legacy_usage); | 
 |         ATRACE_END(); | 
 |         if (result != VK_SUCCESS) { | 
 |             ALOGE("vkGetSwapchainGrallocUsageANDROID failed: %d", result); | 
 |             return VK_ERROR_SURFACE_LOST_KHR; | 
 |         } | 
 |     } | 
 |     uint64_t native_usage = static_cast<uint64_t>(legacy_usage); | 
 |  | 
 |     bool createProtectedSwapchain = false; | 
 |     if (create_info->flags & VK_SWAPCHAIN_CREATE_PROTECTED_BIT_KHR) { | 
 |         createProtectedSwapchain = true; | 
 |         native_usage |= BufferUsage::PROTECTED; | 
 |     } | 
 |     err = native_window_set_usage(window, native_usage); | 
 |     if (err != android::OK) { | 
 |         ALOGE("native_window_set_usage failed: %s (%d)", strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     int transform_hint; | 
 |     err = window->query(window, NATIVE_WINDOW_TRANSFORM_HINT, &transform_hint); | 
 |     if (err != android::OK) { | 
 |         ALOGE("NATIVE_WINDOW_TRANSFORM_HINT query failed: %s (%d)", | 
 |               strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     // -- Allocate our Swapchain object -- | 
 |     // After this point, we must deallocate the swapchain on error. | 
 |  | 
 |     void* mem = allocator->pfnAllocation(allocator->pUserData, | 
 |                                          sizeof(Swapchain), alignof(Swapchain), | 
 |                                          VK_SYSTEM_ALLOCATION_SCOPE_OBJECT); | 
 |     if (!mem) | 
 |         return VK_ERROR_OUT_OF_HOST_MEMORY; | 
 |     Swapchain* swapchain = new (mem) | 
 |         Swapchain(surface, num_images, create_info->presentMode, | 
 |                   TranslateVulkanToNativeTransform(create_info->preTransform)); | 
 |     // -- Dequeue all buffers and create a VkImage for each -- | 
 |     // Any failures during or after this must cancel the dequeued buffers. | 
 |  | 
 |     VkSwapchainImageCreateInfoANDROID swapchain_image_create = { | 
 | #pragma clang diagnostic push | 
 | #pragma clang diagnostic ignored "-Wold-style-cast" | 
 |         .sType = VK_STRUCTURE_TYPE_SWAPCHAIN_IMAGE_CREATE_INFO_ANDROID, | 
 | #pragma clang diagnostic pop | 
 |         .pNext = nullptr, | 
 |         .usage = swapchain_image_usage, | 
 |     }; | 
 |     VkNativeBufferANDROID image_native_buffer = { | 
 | #pragma clang diagnostic push | 
 | #pragma clang diagnostic ignored "-Wold-style-cast" | 
 |         .sType = VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID, | 
 | #pragma clang diagnostic pop | 
 |         .pNext = &swapchain_image_create, | 
 |     }; | 
 |     VkImageCreateInfo image_create = { | 
 |         .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, | 
 |         .pNext = &image_native_buffer, | 
 |         .flags = createProtectedSwapchain ? VK_IMAGE_CREATE_PROTECTED_BIT : 0u, | 
 |         .imageType = VK_IMAGE_TYPE_2D, | 
 |         .format = create_info->imageFormat, | 
 |         .extent = {0, 0, 1}, | 
 |         .mipLevels = 1, | 
 |         .arrayLayers = 1, | 
 |         .samples = VK_SAMPLE_COUNT_1_BIT, | 
 |         .tiling = VK_IMAGE_TILING_OPTIMAL, | 
 |         .usage = create_info->imageUsage, | 
 |         .sharingMode = create_info->imageSharingMode, | 
 |         .queueFamilyIndexCount = create_info->queueFamilyIndexCount, | 
 |         .pQueueFamilyIndices = create_info->pQueueFamilyIndices, | 
 |     }; | 
 |  | 
 |     for (uint32_t i = 0; i < num_images; i++) { | 
 |         Swapchain::Image& img = swapchain->images[i]; | 
 |  | 
 |         ANativeWindowBuffer* buffer; | 
 |         err = window->dequeueBuffer(window, &buffer, &img.dequeue_fence); | 
 |         if (err != android::OK) { | 
 |             ALOGE("dequeueBuffer[%u] failed: %s (%d)", i, strerror(-err), err); | 
 |             switch (-err) { | 
 |                 case ENOMEM: | 
 |                     result = VK_ERROR_OUT_OF_DEVICE_MEMORY; | 
 |                     break; | 
 |                 default: | 
 |                     result = VK_ERROR_SURFACE_LOST_KHR; | 
 |                     break; | 
 |             } | 
 |             break; | 
 |         } | 
 |         img.buffer = buffer; | 
 |         img.dequeued = true; | 
 |  | 
 |         image_create.extent = | 
 |             VkExtent3D{static_cast<uint32_t>(img.buffer->width), | 
 |                        static_cast<uint32_t>(img.buffer->height), | 
 |                        1}; | 
 |         image_native_buffer.handle = img.buffer->handle; | 
 |         image_native_buffer.stride = img.buffer->stride; | 
 |         image_native_buffer.format = img.buffer->format; | 
 |         image_native_buffer.usage = int(img.buffer->usage); | 
 |         android_convertGralloc0To1Usage(int(img.buffer->usage), | 
 |             &image_native_buffer.usage2.producer, | 
 |             &image_native_buffer.usage2.consumer); | 
 |  | 
 |         ATRACE_BEGIN("CreateImage"); | 
 |         result = | 
 |             dispatch.CreateImage(device, &image_create, nullptr, &img.image); | 
 |         ATRACE_END(); | 
 |         if (result != VK_SUCCESS) { | 
 |             ALOGD("vkCreateImage w/ native buffer failed: %u", result); | 
 |             break; | 
 |         } | 
 |     } | 
 |  | 
 |     // -- Cancel all buffers, returning them to the queue -- | 
 |     // If an error occurred before, also destroy the VkImage and release the | 
 |     // buffer reference. Otherwise, we retain a strong reference to the buffer. | 
 |     for (uint32_t i = 0; i < num_images; i++) { | 
 |         Swapchain::Image& img = swapchain->images[i]; | 
 |         if (img.dequeued) { | 
 |             if (!swapchain->shared) { | 
 |                 window->cancelBuffer(window, img.buffer.get(), | 
 |                                      img.dequeue_fence); | 
 |                 img.dequeue_fence = -1; | 
 |                 img.dequeued = false; | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     if (result != VK_SUCCESS) { | 
 |         DestroySwapchainInternal(device, HandleFromSwapchain(swapchain), | 
 |                                  allocator); | 
 |         return result; | 
 |     } | 
 |  | 
 |     if (transform_hint != swapchain->pre_transform) { | 
 |         // Log that the app is not doing pre-rotation. | 
 |         android::GraphicsEnv::getInstance().setTargetStats( | 
 |             android::GpuStatsInfo::Stats::FALSE_PREROTATION); | 
 |     } | 
 |  | 
 |     surface.swapchain_handle = HandleFromSwapchain(swapchain); | 
 |     *swapchain_handle = surface.swapchain_handle; | 
 |     return VK_SUCCESS; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | void DestroySwapchainKHR(VkDevice device, | 
 |                          VkSwapchainKHR swapchain_handle, | 
 |                          const VkAllocationCallbacks* allocator) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     DestroySwapchainInternal(device, swapchain_handle, allocator); | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetSwapchainImagesKHR(VkDevice, | 
 |                                VkSwapchainKHR swapchain_handle, | 
 |                                uint32_t* count, | 
 |                                VkImage* images) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     Swapchain& swapchain = *SwapchainFromHandle(swapchain_handle); | 
 |     ALOGW_IF(swapchain.surface.swapchain_handle != swapchain_handle, | 
 |              "getting images for non-active swapchain 0x%" PRIx64 | 
 |              "; only dequeued image handles are valid", | 
 |              reinterpret_cast<uint64_t>(swapchain_handle)); | 
 |     VkResult result = VK_SUCCESS; | 
 |     if (images) { | 
 |         uint32_t n = swapchain.num_images; | 
 |         if (*count < swapchain.num_images) { | 
 |             n = *count; | 
 |             result = VK_INCOMPLETE; | 
 |         } | 
 |         for (uint32_t i = 0; i < n; i++) | 
 |             images[i] = swapchain.images[i].image; | 
 |         *count = n; | 
 |     } else { | 
 |         *count = swapchain.num_images; | 
 |     } | 
 |     return result; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult AcquireNextImageKHR(VkDevice device, | 
 |                              VkSwapchainKHR swapchain_handle, | 
 |                              uint64_t timeout, | 
 |                              VkSemaphore semaphore, | 
 |                              VkFence vk_fence, | 
 |                              uint32_t* image_index) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     Swapchain& swapchain = *SwapchainFromHandle(swapchain_handle); | 
 |     ANativeWindow* window = swapchain.surface.window.get(); | 
 |     VkResult result; | 
 |     int err; | 
 |  | 
 |     if (swapchain.surface.swapchain_handle != swapchain_handle) | 
 |         return VK_ERROR_OUT_OF_DATE_KHR; | 
 |  | 
 |     if (swapchain.shared) { | 
 |         // In shared mode, we keep the buffer dequeued all the time, so we don't | 
 |         // want to dequeue a buffer here. Instead, just ask the driver to ensure | 
 |         // the semaphore and fence passed to us will be signalled. | 
 |         *image_index = 0; | 
 |         result = GetData(device).driver.AcquireImageANDROID( | 
 |                 device, swapchain.images[*image_index].image, -1, semaphore, vk_fence); | 
 |         return result; | 
 |     } | 
 |  | 
 |     const nsecs_t acquire_next_image_timeout = | 
 |         timeout > (uint64_t)std::numeric_limits<nsecs_t>::max() ? -1 : timeout; | 
 |     if (acquire_next_image_timeout != swapchain.acquire_next_image_timeout) { | 
 |         // Cache the timeout to avoid the duplicate binder cost. | 
 |         err = window->perform(window, NATIVE_WINDOW_SET_DEQUEUE_TIMEOUT, | 
 |                               acquire_next_image_timeout); | 
 |         if (err != android::OK) { | 
 |             ALOGE("window->perform(SET_DEQUEUE_TIMEOUT) failed: %s (%d)", | 
 |                   strerror(-err), err); | 
 |             return VK_ERROR_SURFACE_LOST_KHR; | 
 |         } | 
 |         swapchain.acquire_next_image_timeout = acquire_next_image_timeout; | 
 |     } | 
 |  | 
 |     ANativeWindowBuffer* buffer; | 
 |     int fence_fd; | 
 |     err = window->dequeueBuffer(window, &buffer, &fence_fd); | 
 |     if (err == android::TIMED_OUT || err == android::INVALID_OPERATION) { | 
 |         ALOGW("dequeueBuffer timed out: %s (%d)", strerror(-err), err); | 
 |         return timeout ? VK_TIMEOUT : VK_NOT_READY; | 
 |     } else if (err != android::OK) { | 
 |         ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), err); | 
 |         return VK_ERROR_SURFACE_LOST_KHR; | 
 |     } | 
 |  | 
 |     uint32_t idx; | 
 |     for (idx = 0; idx < swapchain.num_images; idx++) { | 
 |         if (swapchain.images[idx].buffer.get() == buffer) { | 
 |             swapchain.images[idx].dequeued = true; | 
 |             swapchain.images[idx].dequeue_fence = fence_fd; | 
 |             break; | 
 |         } | 
 |     } | 
 |     if (idx == swapchain.num_images) { | 
 |         ALOGE("dequeueBuffer returned unrecognized buffer"); | 
 |         window->cancelBuffer(window, buffer, fence_fd); | 
 |         return VK_ERROR_OUT_OF_DATE_KHR; | 
 |     } | 
 |  | 
 |     int fence_clone = -1; | 
 |     if (fence_fd != -1) { | 
 |         fence_clone = dup(fence_fd); | 
 |         if (fence_clone == -1) { | 
 |             ALOGE("dup(fence) failed, stalling until signalled: %s (%d)", | 
 |                   strerror(errno), errno); | 
 |             sync_wait(fence_fd, -1 /* forever */); | 
 |         } | 
 |     } | 
 |  | 
 |     result = GetData(device).driver.AcquireImageANDROID( | 
 |         device, swapchain.images[idx].image, fence_clone, semaphore, vk_fence); | 
 |     if (result != VK_SUCCESS) { | 
 |         // NOTE: we're relying on AcquireImageANDROID to close fence_clone, | 
 |         // even if the call fails. We could close it ourselves on failure, but | 
 |         // that would create a race condition if the driver closes it on a | 
 |         // failure path: some other thread might create an fd with the same | 
 |         // number between the time the driver closes it and the time we close | 
 |         // it. We must assume one of: the driver *always* closes it even on | 
 |         // failure, or *never* closes it on failure. | 
 |         window->cancelBuffer(window, buffer, fence_fd); | 
 |         swapchain.images[idx].dequeued = false; | 
 |         swapchain.images[idx].dequeue_fence = -1; | 
 |         return result; | 
 |     } | 
 |  | 
 |     *image_index = idx; | 
 |     return VK_SUCCESS; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult AcquireNextImage2KHR(VkDevice device, | 
 |                               const VkAcquireNextImageInfoKHR* pAcquireInfo, | 
 |                               uint32_t* pImageIndex) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     return AcquireNextImageKHR(device, pAcquireInfo->swapchain, | 
 |                                pAcquireInfo->timeout, pAcquireInfo->semaphore, | 
 |                                pAcquireInfo->fence, pImageIndex); | 
 | } | 
 |  | 
 | static VkResult WorstPresentResult(VkResult a, VkResult b) { | 
 |     // See the error ranking for vkQueuePresentKHR at the end of section 29.6 | 
 |     // (in spec version 1.0.14). | 
 |     static const VkResult kWorstToBest[] = { | 
 |         VK_ERROR_DEVICE_LOST, | 
 |         VK_ERROR_SURFACE_LOST_KHR, | 
 |         VK_ERROR_OUT_OF_DATE_KHR, | 
 |         VK_ERROR_OUT_OF_DEVICE_MEMORY, | 
 |         VK_ERROR_OUT_OF_HOST_MEMORY, | 
 |         VK_SUBOPTIMAL_KHR, | 
 |     }; | 
 |     for (auto result : kWorstToBest) { | 
 |         if (a == result || b == result) | 
 |             return result; | 
 |     } | 
 |     ALOG_ASSERT(a == VK_SUCCESS, "invalid vkQueuePresentKHR result %d", a); | 
 |     ALOG_ASSERT(b == VK_SUCCESS, "invalid vkQueuePresentKHR result %d", b); | 
 |     return a != VK_SUCCESS ? a : b; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult QueuePresentKHR(VkQueue queue, const VkPresentInfoKHR* present_info) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     ALOGV_IF(present_info->sType != VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, | 
 |              "vkQueuePresentKHR: invalid VkPresentInfoKHR structure type %d", | 
 |              present_info->sType); | 
 |  | 
 |     VkDevice device = GetData(queue).driver_device; | 
 |     const auto& dispatch = GetData(queue).driver; | 
 |     VkResult final_result = VK_SUCCESS; | 
 |  | 
 |     // Look at the pNext chain for supported extension structs: | 
 |     const VkPresentRegionsKHR* present_regions = nullptr; | 
 |     const VkPresentTimesInfoGOOGLE* present_times = nullptr; | 
 |     const VkPresentRegionsKHR* next = | 
 |         reinterpret_cast<const VkPresentRegionsKHR*>(present_info->pNext); | 
 |     while (next) { | 
 |         switch (next->sType) { | 
 |             case VK_STRUCTURE_TYPE_PRESENT_REGIONS_KHR: | 
 |                 present_regions = next; | 
 |                 break; | 
 |             case VK_STRUCTURE_TYPE_PRESENT_TIMES_INFO_GOOGLE: | 
 |                 present_times = | 
 |                     reinterpret_cast<const VkPresentTimesInfoGOOGLE*>(next); | 
 |                 break; | 
 |             default: | 
 |                 ALOGV("QueuePresentKHR ignoring unrecognized pNext->sType = %x", | 
 |                       next->sType); | 
 |                 break; | 
 |         } | 
 |         next = reinterpret_cast<const VkPresentRegionsKHR*>(next->pNext); | 
 |     } | 
 |     ALOGV_IF( | 
 |         present_regions && | 
 |             present_regions->swapchainCount != present_info->swapchainCount, | 
 |         "VkPresentRegions::swapchainCount != VkPresentInfo::swapchainCount"); | 
 |     ALOGV_IF(present_times && | 
 |                  present_times->swapchainCount != present_info->swapchainCount, | 
 |              "VkPresentTimesInfoGOOGLE::swapchainCount != " | 
 |              "VkPresentInfo::swapchainCount"); | 
 |     const VkPresentRegionKHR* regions = | 
 |         (present_regions) ? present_regions->pRegions : nullptr; | 
 |     const VkPresentTimeGOOGLE* times = | 
 |         (present_times) ? present_times->pTimes : nullptr; | 
 |     const VkAllocationCallbacks* allocator = &GetData(device).allocator; | 
 |     android_native_rect_t* rects = nullptr; | 
 |     uint32_t nrects = 0; | 
 |  | 
 |     for (uint32_t sc = 0; sc < present_info->swapchainCount; sc++) { | 
 |         Swapchain& swapchain = | 
 |             *SwapchainFromHandle(present_info->pSwapchains[sc]); | 
 |         uint32_t image_idx = present_info->pImageIndices[sc]; | 
 |         Swapchain::Image& img = swapchain.images[image_idx]; | 
 |         const VkPresentRegionKHR* region = | 
 |             (regions && !swapchain.mailbox_mode) ? ®ions[sc] : nullptr; | 
 |         const VkPresentTimeGOOGLE* time = (times) ? ×[sc] : nullptr; | 
 |         VkResult swapchain_result = VK_SUCCESS; | 
 |         VkResult result; | 
 |         int err; | 
 |  | 
 |         int fence = -1; | 
 |         result = dispatch.QueueSignalReleaseImageANDROID( | 
 |             queue, present_info->waitSemaphoreCount, | 
 |             present_info->pWaitSemaphores, img.image, &fence); | 
 |         if (result != VK_SUCCESS) { | 
 |             ALOGE("QueueSignalReleaseImageANDROID failed: %d", result); | 
 |             swapchain_result = result; | 
 |         } | 
 |  | 
 |         if (swapchain.surface.swapchain_handle == | 
 |             present_info->pSwapchains[sc]) { | 
 |             ANativeWindow* window = swapchain.surface.window.get(); | 
 |             if (swapchain_result == VK_SUCCESS) { | 
 |                 if (region) { | 
 |                     // Process the incremental-present hint for this swapchain: | 
 |                     uint32_t rcount = region->rectangleCount; | 
 |                     if (rcount > nrects) { | 
 |                         android_native_rect_t* new_rects = | 
 |                             static_cast<android_native_rect_t*>( | 
 |                                 allocator->pfnReallocation( | 
 |                                     allocator->pUserData, rects, | 
 |                                     sizeof(android_native_rect_t) * rcount, | 
 |                                     alignof(android_native_rect_t), | 
 |                                     VK_SYSTEM_ALLOCATION_SCOPE_COMMAND)); | 
 |                         if (new_rects) { | 
 |                             rects = new_rects; | 
 |                             nrects = rcount; | 
 |                         } else { | 
 |                             rcount = 0;  // Ignore the hint for this swapchain | 
 |                         } | 
 |                     } | 
 |                     for (uint32_t r = 0; r < rcount; ++r) { | 
 |                         if (region->pRectangles[r].layer > 0) { | 
 |                             ALOGV( | 
 |                                 "vkQueuePresentKHR ignoring invalid layer " | 
 |                                 "(%u); using layer 0 instead", | 
 |                                 region->pRectangles[r].layer); | 
 |                         } | 
 |                         int x = region->pRectangles[r].offset.x; | 
 |                         int y = region->pRectangles[r].offset.y; | 
 |                         int width = static_cast<int>( | 
 |                             region->pRectangles[r].extent.width); | 
 |                         int height = static_cast<int>( | 
 |                             region->pRectangles[r].extent.height); | 
 |                         android_native_rect_t* cur_rect = &rects[r]; | 
 |                         cur_rect->left = x; | 
 |                         cur_rect->top = y + height; | 
 |                         cur_rect->right = x + width; | 
 |                         cur_rect->bottom = y; | 
 |                     } | 
 |                     native_window_set_surface_damage(window, rects, rcount); | 
 |                 } | 
 |                 if (time) { | 
 |                     if (!swapchain.frame_timestamps_enabled) { | 
 |                         ALOGV( | 
 |                             "Calling " | 
 |                             "native_window_enable_frame_timestamps(true)"); | 
 |                         native_window_enable_frame_timestamps(window, true); | 
 |                         swapchain.frame_timestamps_enabled = true; | 
 |                     } | 
 |  | 
 |                     // Record the nativeFrameId so it can be later correlated to | 
 |                     // this present. | 
 |                     uint64_t nativeFrameId = 0; | 
 |                     err = native_window_get_next_frame_id( | 
 |                             window, &nativeFrameId); | 
 |                     if (err != android::OK) { | 
 |                         ALOGE("Failed to get next native frame ID."); | 
 |                     } | 
 |  | 
 |                     // Add a new timing record with the user's presentID and | 
 |                     // the nativeFrameId. | 
 |                     swapchain.timing.emplace_back(time, nativeFrameId); | 
 |                     while (swapchain.timing.size() > MAX_TIMING_INFOS) { | 
 |                         swapchain.timing.erase(swapchain.timing.begin()); | 
 |                     } | 
 |                     if (time->desiredPresentTime) { | 
 |                         // Set the desiredPresentTime: | 
 |                         ALOGV( | 
 |                             "Calling " | 
 |                             "native_window_set_buffers_timestamp(%" PRId64 ")", | 
 |                             time->desiredPresentTime); | 
 |                         native_window_set_buffers_timestamp( | 
 |                             window, | 
 |                             static_cast<int64_t>(time->desiredPresentTime)); | 
 |                     } | 
 |                 } | 
 |  | 
 |                 err = window->queueBuffer(window, img.buffer.get(), fence); | 
 |                 // queueBuffer always closes fence, even on error | 
 |                 if (err != android::OK) { | 
 |                     ALOGE("queueBuffer failed: %s (%d)", strerror(-err), err); | 
 |                     swapchain_result = WorstPresentResult( | 
 |                         swapchain_result, VK_ERROR_OUT_OF_DATE_KHR); | 
 |                 } else { | 
 |                     if (img.dequeue_fence >= 0) { | 
 |                         close(img.dequeue_fence); | 
 |                         img.dequeue_fence = -1; | 
 |                     } | 
 |                     img.dequeued = false; | 
 |                 } | 
 |  | 
 |                 // If the swapchain is in shared mode, immediately dequeue the | 
 |                 // buffer so it can be presented again without an intervening | 
 |                 // call to AcquireNextImageKHR. We expect to get the same buffer | 
 |                 // back from every call to dequeueBuffer in this mode. | 
 |                 if (swapchain.shared && swapchain_result == VK_SUCCESS) { | 
 |                     ANativeWindowBuffer* buffer; | 
 |                     int fence_fd; | 
 |                     err = window->dequeueBuffer(window, &buffer, &fence_fd); | 
 |                     if (err != android::OK) { | 
 |                         ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), err); | 
 |                         swapchain_result = WorstPresentResult(swapchain_result, | 
 |                             VK_ERROR_SURFACE_LOST_KHR); | 
 |                     } else if (img.buffer != buffer) { | 
 |                         ALOGE("got wrong image back for shared swapchain"); | 
 |                         swapchain_result = WorstPresentResult(swapchain_result, | 
 |                             VK_ERROR_SURFACE_LOST_KHR); | 
 |                     } else { | 
 |                         img.dequeue_fence = fence_fd; | 
 |                         img.dequeued = true; | 
 |                     } | 
 |                 } | 
 |             } | 
 |             if (swapchain_result != VK_SUCCESS) { | 
 |                 OrphanSwapchain(device, &swapchain); | 
 |             } | 
 |             int window_transform_hint; | 
 |             err = window->query(window, NATIVE_WINDOW_TRANSFORM_HINT, | 
 |                                 &window_transform_hint); | 
 |             if (err != android::OK) { | 
 |                 ALOGE("NATIVE_WINDOW_TRANSFORM_HINT query failed: %s (%d)", | 
 |                       strerror(-err), err); | 
 |                 swapchain_result = WorstPresentResult( | 
 |                     swapchain_result, VK_ERROR_SURFACE_LOST_KHR); | 
 |             } | 
 |             if (swapchain.pre_transform != window_transform_hint) { | 
 |                 swapchain_result = | 
 |                     WorstPresentResult(swapchain_result, VK_SUBOPTIMAL_KHR); | 
 |             } | 
 |         } else { | 
 |             ReleaseSwapchainImage(device, nullptr, fence, img); | 
 |             swapchain_result = VK_ERROR_OUT_OF_DATE_KHR; | 
 |         } | 
 |  | 
 |         if (present_info->pResults) | 
 |             present_info->pResults[sc] = swapchain_result; | 
 |  | 
 |         if (swapchain_result != final_result) | 
 |             final_result = WorstPresentResult(final_result, swapchain_result); | 
 |     } | 
 |     if (rects) { | 
 |         allocator->pfnFree(allocator->pUserData, rects); | 
 |     } | 
 |  | 
 |     return final_result; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetRefreshCycleDurationGOOGLE( | 
 |     VkDevice, | 
 |     VkSwapchainKHR swapchain_handle, | 
 |     VkRefreshCycleDurationGOOGLE* pDisplayTimingProperties) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     Swapchain& swapchain = *SwapchainFromHandle(swapchain_handle); | 
 |     VkResult result = VK_SUCCESS; | 
 |  | 
 |     pDisplayTimingProperties->refreshDuration = swapchain.get_refresh_duration(); | 
 |  | 
 |     return result; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetPastPresentationTimingGOOGLE( | 
 |     VkDevice, | 
 |     VkSwapchainKHR swapchain_handle, | 
 |     uint32_t* count, | 
 |     VkPastPresentationTimingGOOGLE* timings) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     Swapchain& swapchain = *SwapchainFromHandle(swapchain_handle); | 
 |     if (swapchain.surface.swapchain_handle != swapchain_handle) { | 
 |         return VK_ERROR_OUT_OF_DATE_KHR; | 
 |     } | 
 |  | 
 |     ANativeWindow* window = swapchain.surface.window.get(); | 
 |     VkResult result = VK_SUCCESS; | 
 |  | 
 |     if (!swapchain.frame_timestamps_enabled) { | 
 |         ALOGV("Calling native_window_enable_frame_timestamps(true)"); | 
 |         native_window_enable_frame_timestamps(window, true); | 
 |         swapchain.frame_timestamps_enabled = true; | 
 |     } | 
 |  | 
 |     if (timings) { | 
 |         // Get the latest ready timing count before copying, since the copied | 
 |         // timing info will be erased in copy_ready_timings function. | 
 |         uint32_t n = get_num_ready_timings(swapchain); | 
 |         copy_ready_timings(swapchain, count, timings); | 
 |         // Check the *count here against the recorded ready timing count, since | 
 |         // *count can be overwritten per spec describes. | 
 |         if (*count < n) { | 
 |             result = VK_INCOMPLETE; | 
 |         } | 
 |     } else { | 
 |         *count = get_num_ready_timings(swapchain); | 
 |     } | 
 |  | 
 |     return result; | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult GetSwapchainStatusKHR( | 
 |     VkDevice, | 
 |     VkSwapchainKHR swapchain_handle) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     Swapchain& swapchain = *SwapchainFromHandle(swapchain_handle); | 
 |     VkResult result = VK_SUCCESS; | 
 |  | 
 |     if (swapchain.surface.swapchain_handle != swapchain_handle) { | 
 |         return VK_ERROR_OUT_OF_DATE_KHR; | 
 |     } | 
 |  | 
 |     // TODO(b/143296009): Implement this function properly | 
 |  | 
 |     return result; | 
 | } | 
 |  | 
 | VKAPI_ATTR void SetHdrMetadataEXT( | 
 |     VkDevice, | 
 |     uint32_t swapchainCount, | 
 |     const VkSwapchainKHR* pSwapchains, | 
 |     const VkHdrMetadataEXT* pHdrMetadataEXTs) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     for (uint32_t idx = 0; idx < swapchainCount; idx++) { | 
 |         Swapchain* swapchain = SwapchainFromHandle(pSwapchains[idx]); | 
 |         if (!swapchain) | 
 |             continue; | 
 |  | 
 |         if (swapchain->surface.swapchain_handle != pSwapchains[idx]) continue; | 
 |  | 
 |         ANativeWindow* window = swapchain->surface.window.get(); | 
 |  | 
 |         VkHdrMetadataEXT vulkanMetadata = pHdrMetadataEXTs[idx]; | 
 |         const android_smpte2086_metadata smpteMetdata = { | 
 |             {vulkanMetadata.displayPrimaryRed.x, | 
 |              vulkanMetadata.displayPrimaryRed.y}, | 
 |             {vulkanMetadata.displayPrimaryGreen.x, | 
 |              vulkanMetadata.displayPrimaryGreen.y}, | 
 |             {vulkanMetadata.displayPrimaryBlue.x, | 
 |              vulkanMetadata.displayPrimaryBlue.y}, | 
 |             {vulkanMetadata.whitePoint.x, vulkanMetadata.whitePoint.y}, | 
 |             vulkanMetadata.maxLuminance, | 
 |             vulkanMetadata.minLuminance}; | 
 |         native_window_set_buffers_smpte2086_metadata(window, &smpteMetdata); | 
 |  | 
 |         const android_cta861_3_metadata cta8613Metadata = { | 
 |             vulkanMetadata.maxContentLightLevel, | 
 |             vulkanMetadata.maxFrameAverageLightLevel}; | 
 |         native_window_set_buffers_cta861_3_metadata(window, &cta8613Metadata); | 
 |     } | 
 |  | 
 |     return; | 
 | } | 
 |  | 
 | static void InterceptBindImageMemory2( | 
 |     uint32_t bind_info_count, | 
 |     const VkBindImageMemoryInfo* bind_infos, | 
 |     std::vector<VkNativeBufferANDROID>* out_native_buffers, | 
 |     std::vector<VkBindImageMemoryInfo>* out_bind_infos) { | 
 |     out_native_buffers->clear(); | 
 |     out_bind_infos->clear(); | 
 |  | 
 |     if (!bind_info_count) | 
 |         return; | 
 |  | 
 |     std::unordered_set<uint32_t> intercepted_indexes; | 
 |  | 
 |     for (uint32_t idx = 0; idx < bind_info_count; idx++) { | 
 |         auto info = reinterpret_cast<const VkBindImageMemorySwapchainInfoKHR*>( | 
 |             bind_infos[idx].pNext); | 
 |         while (info && | 
 |                info->sType != | 
 |                    VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_SWAPCHAIN_INFO_KHR) { | 
 |             info = reinterpret_cast<const VkBindImageMemorySwapchainInfoKHR*>( | 
 |                 info->pNext); | 
 |         } | 
 |  | 
 |         if (!info) | 
 |             continue; | 
 |  | 
 |         ALOG_ASSERT(info->swapchain != VK_NULL_HANDLE, | 
 |                     "swapchain handle must not be NULL"); | 
 |         const Swapchain* swapchain = SwapchainFromHandle(info->swapchain); | 
 |         ALOG_ASSERT( | 
 |             info->imageIndex < swapchain->num_images, | 
 |             "imageIndex must be less than the number of images in swapchain"); | 
 |  | 
 |         ANativeWindowBuffer* buffer = | 
 |             swapchain->images[info->imageIndex].buffer.get(); | 
 |         VkNativeBufferANDROID native_buffer = { | 
 | #pragma clang diagnostic push | 
 | #pragma clang diagnostic ignored "-Wold-style-cast" | 
 |             .sType = VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID, | 
 | #pragma clang diagnostic pop | 
 |             .pNext = bind_infos[idx].pNext, | 
 |             .handle = buffer->handle, | 
 |             .stride = buffer->stride, | 
 |             .format = buffer->format, | 
 |             .usage = int(buffer->usage), | 
 |         }; | 
 |         // Reserve enough space to avoid letting re-allocation invalidate the | 
 |         // addresses of the elements inside. | 
 |         out_native_buffers->reserve(bind_info_count); | 
 |         out_native_buffers->emplace_back(native_buffer); | 
 |  | 
 |         // Reserve the space now since we know how much is needed now. | 
 |         out_bind_infos->reserve(bind_info_count); | 
 |         out_bind_infos->emplace_back(bind_infos[idx]); | 
 |         out_bind_infos->back().pNext = &out_native_buffers->back(); | 
 |  | 
 |         intercepted_indexes.insert(idx); | 
 |     } | 
 |  | 
 |     if (intercepted_indexes.empty()) | 
 |         return; | 
 |  | 
 |     for (uint32_t idx = 0; idx < bind_info_count; idx++) { | 
 |         if (intercepted_indexes.count(idx)) | 
 |             continue; | 
 |         out_bind_infos->emplace_back(bind_infos[idx]); | 
 |     } | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult BindImageMemory2(VkDevice device, | 
 |                           uint32_t bindInfoCount, | 
 |                           const VkBindImageMemoryInfo* pBindInfos) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     // out_native_buffers is for maintaining the lifecycle of the constructed | 
 |     // VkNativeBufferANDROID objects inside InterceptBindImageMemory2. | 
 |     std::vector<VkNativeBufferANDROID> out_native_buffers; | 
 |     std::vector<VkBindImageMemoryInfo> out_bind_infos; | 
 |     InterceptBindImageMemory2(bindInfoCount, pBindInfos, &out_native_buffers, | 
 |                               &out_bind_infos); | 
 |     return GetData(device).driver.BindImageMemory2( | 
 |         device, bindInfoCount, | 
 |         out_bind_infos.empty() ? pBindInfos : out_bind_infos.data()); | 
 | } | 
 |  | 
 | VKAPI_ATTR | 
 | VkResult BindImageMemory2KHR(VkDevice device, | 
 |                              uint32_t bindInfoCount, | 
 |                              const VkBindImageMemoryInfo* pBindInfos) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::vector<VkNativeBufferANDROID> out_native_buffers; | 
 |     std::vector<VkBindImageMemoryInfo> out_bind_infos; | 
 |     InterceptBindImageMemory2(bindInfoCount, pBindInfos, &out_native_buffers, | 
 |                               &out_bind_infos); | 
 |     return GetData(device).driver.BindImageMemory2KHR( | 
 |         device, bindInfoCount, | 
 |         out_bind_infos.empty() ? pBindInfos : out_bind_infos.data()); | 
 | } | 
 |  | 
 | }  // namespace driver | 
 | }  // namespace vulkan |