commit 345081196a3a88d021eda6c8f90ab87ebac3833c
author Ramkumar Radhakrishnan <ramkumar@codeaurora.org> Thu May 28 19:02:05 2015 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Wed Jun 24 12:06:17 2015 -0700
tree cf7b5da61a9e3ea3232e1c94c07527adede725f7
parent d5eab0c7b34dade3b393067c54674442ea263d17

sdm: Add split rectangle support for split rotation.

1. Add support to split rectangle vertically and horizontally.
2. Add debug property to enable/disable split rotation.

Change-Id: I4070e7e754c2a3a3a9ca4f4eab91037f7f9c88b7

sdm/include/utils/debug.h

diff --git a/sdm/include/utils/debug.h b/sdm/include/utils/debug.h
index 0bd0429..0d64bbf 100644
--- a/sdm/include/utils/debug.h
+++ b/sdm/include/utils/debug.h
@@ -69,6 +69,7 @@
   static int GetMaxPipesPerMixer(DisplayType display_type);
   static bool IsVideoModeEnabled();
   static bool IsRotatorUbwcDisabled();
+  static bool IsRotatorSplitDisabled();
 
  private:
   Debug();

sdm/include/utils/rect.h

diff --git a/sdm/include/utils/rect.h b/sdm/include/utils/rect.h
index 1b75d40..248b11c 100644
--- a/sdm/include/utils/rect.h
+++ b/sdm/include/utils/rect.h
@@ -45,6 +45,10 @@
   LayerRect Intersection(const LayerRect &rect1, const LayerRect &rect2);
   LayerRect Subtract(const LayerRect &rect1, const LayerRect &rect2);
   LayerRect Reposition(const LayerRect &rect1, const int &x_offset, const int &y_offset);
+  void SplitLeftRight(const LayerRect &in_rect, uint32_t split_count, uint32_t align_x,
+                     LayerRect *out_rects);
+  void SplitTopBottom(const LayerRect &in_rect, uint32_t split_count, uint32_t align_y,
+                       LayerRect *out_rects);
 }  // namespace sdm
 
 #endif  // __RECT_H__

sdm/libs/utils/debug.cpp

diff --git a/sdm/libs/utils/debug.cpp b/sdm/libs/utils/debug.cpp
index ada17cd..f240082 100644
--- a/sdm/libs/utils/debug.cpp
+++ b/sdm/libs/utils/debug.cpp
@@ -113,5 +113,12 @@
   return (value == 1);
 }
 
+bool Debug::IsRotatorSplitDisabled() {
+  int value = 0;
+  debug_.debug_handler_->GetProperty("sdm.debug.disable_rotator_split", &value);
+
+  return (value == 1);
+}
+
 }  // namespace sdm
 

sdm/libs/utils/rect.cpp

diff --git a/sdm/libs/utils/rect.cpp b/sdm/libs/utils/rect.cpp
index 9edc4f4..8350340 100644
--- a/sdm/libs/utils/rect.cpp
+++ b/sdm/libs/utils/rect.cpp
@@ -138,5 +138,43 @@
   return res;
 }
 
+void SplitLeftRight(const LayerRect &in_rect, uint32_t split_count, uint32_t align_x,
+                   LayerRect *out_rects) {
+  LayerRect rect_temp = in_rect;
+
+  uint32_t split_width = UINT32(rect_temp.right - rect_temp.left) / split_count;
+
+  for (uint32_t count = 0; count < split_count; count++) {
+    float aligned_right = rect_temp.left + FLOAT(CeilToMultipleOf(split_width, align_x));
+    out_rects[count].left = rect_temp.left;
+    out_rects[count].right = MIN(rect_temp.right, aligned_right);
+    out_rects[count].top = rect_temp.top;
+    out_rects[count].bottom = rect_temp.bottom;
+
+    rect_temp.left = out_rects[count].right;
+
+    Log(kTagRotator, "SplitLeftRight", out_rects[count]);
+  }
+}
+
+void SplitTopBottom(const LayerRect &in_rect, uint32_t split_count, uint32_t align_y,
+                     LayerRect *out_rects) {
+  LayerRect rect_temp = in_rect;
+
+  uint32_t split_height = UINT32(rect_temp.bottom - rect_temp.top) / split_count;
+
+  for (uint32_t count = 0; count < split_count; count++) {
+    float aligned_bottom = rect_temp.top + FLOAT(CeilToMultipleOf(split_height, align_y));
+    out_rects[count].top = rect_temp.top;
+    out_rects[count].bottom = MIN(rect_temp.bottom, aligned_bottom);
+    out_rects[count].left = rect_temp.left;
+    out_rects[count].right = rect_temp.right;
+
+    rect_temp.top = out_rects[count].bottom;
+
+    Log(kTagRotator, "SplitTopBottom", out_rects[count]);
+  }
+}
+
 }  // namespace sdm