From 6fce1414c3a899c3694fd05518101a82ff8060ce Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sun, 11 Feb 2018 19:03:31 -0500
Subject: vi: Parse IGBPQueueBufferRequestParcel params and expose buffer flip
 vertical.

---
 src/core/hle/service/nvflinger/buffer_queue.cpp |  3 ++-
 src/core/hle/service/nvflinger/buffer_queue.h   | 16 +++++++++++++++-
 src/core/hle/service/nvflinger/nvflinger.cpp    |  2 +-
 3 files changed, 18 insertions(+), 3 deletions(-)

(limited to 'src/core/hle/service/nvflinger')

diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp
index f90c7ca51..ff7b6b039 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.cpp
+++ b/src/core/hle/service/nvflinger/buffer_queue.cpp
@@ -58,12 +58,13 @@ const IGBPBuffer& BufferQueue::RequestBuffer(u32 slot) const {
     return itr->igbp_buffer;
 }
 
-void BufferQueue::QueueBuffer(u32 slot) {
+void BufferQueue::QueueBuffer(u32 slot, BufferTransformFlags transform) {
     auto itr = std::find_if(queue.begin(), queue.end(),
                             [&](const Buffer& buffer) { return buffer.slot == slot; });
     ASSERT(itr != queue.end());
     ASSERT(itr->status == Buffer::Status::Dequeued);
     itr->status = Buffer::Status::Queued;
+    itr->transform = transform;
 }
 
 boost::optional<const BufferQueue::Buffer&> BufferQueue::AcquireBuffer() {
diff --git a/src/core/hle/service/nvflinger/buffer_queue.h b/src/core/hle/service/nvflinger/buffer_queue.h
index 5c6719407..ef9732769 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.h
+++ b/src/core/hle/service/nvflinger/buffer_queue.h
@@ -46,18 +46,32 @@ public:
     BufferQueue(u32 id, u64 layer_id);
     ~BufferQueue() = default;
 
+    enum class BufferTransformFlags : u32 {
+        /// Flip source image horizontally (around the vertical axis)
+        FlipH = 0x01,
+        /// Flip source image vertically (around the horizontal axis)
+        FlipV = 0x02,
+        /// Rotate source image 90 degrees clockwise
+        Rotate90 = 0x04,
+        /// Rotate source image 180 degrees
+        Roate180 = 0x03,
+        /// Rotate source image 270 degrees clockwise
+        Roate270 = 0x07,
+    };
+
     struct Buffer {
         enum class Status { Free = 0, Queued = 1, Dequeued = 2, Acquired = 3 };
 
         u32 slot;
         Status status = Status::Free;
         IGBPBuffer igbp_buffer;
+        BufferTransformFlags transform;
     };
 
     void SetPreallocatedBuffer(u32 slot, IGBPBuffer& buffer);
     u32 DequeueBuffer(u32 pixel_format, u32 width, u32 height);
     const IGBPBuffer& RequestBuffer(u32 slot) const;
-    void QueueBuffer(u32 slot);
+    void QueueBuffer(u32 slot, BufferTransformFlags transform);
     boost::optional<const Buffer&> AcquireBuffer();
     void ReleaseBuffer(u32 slot);
     u32 Query(QueryType type);
diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp
index fe622b986..2089462b7 100644
--- a/src/core/hle/service/nvflinger/nvflinger.cpp
+++ b/src/core/hle/service/nvflinger/nvflinger.cpp
@@ -145,7 +145,7 @@ void NVFlinger::Compose() {
         ASSERT(nvdisp);
 
         nvdisp->flip(igbp_buffer.gpu_buffer_id, igbp_buffer.offset, igbp_buffer.format,
-                     igbp_buffer.width, igbp_buffer.height, igbp_buffer.stride);
+                     igbp_buffer.width, igbp_buffer.height, igbp_buffer.stride, buffer->transform);
 
         buffer_queue->ReleaseBuffer(buffer->slot);
     }
-- 
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