bump HWC version to 1.3, add support for float crop rectangle
Change-Id: I8601ecc9f39052000b872805be1637ee73b0d3e1
diff --git a/include/hardware/hwcomposer.h b/include/hardware/hwcomposer.h
index d75a047..9492d3a 100644
--- a/include/hardware/hwcomposer.h
+++ b/include/hardware/hwcomposer.h
@@ -54,6 +54,13 @@
int bottom;
} hwc_rect_t;
+typedef struct hwc_frect {
+ float left;
+ float top;
+ float right;
+ float bottom;
+} hwc_frect_t;
+
typedef struct hwc_region {
size_t numRects;
hwc_rect_t const* rects;
@@ -149,8 +156,17 @@
int32_t blending;
/* area of the source to consider, the origin is the top-left corner of
- * the buffer */
- hwc_rect_t sourceCrop;
+ * the buffer. As of HWC_DEVICE_API_VERSION_1_3, sourceRect uses floats.
+ * If the h/w can't support a non-integer source crop rectangle, it should
+ * punt to OpenGL ES composition.
+ */
+ union {
+ // crop rectangle in integer (pre HWC_DEVICE_API_VERSION_1_3)
+ hwc_rect_t sourceCropi;
+ hwc_rect_t sourceCrop; // just for source compatibility
+ // crop rectangle in floats (as of HWC_DEVICE_API_VERSION_1_3)
+ hwc_frect_t sourceCropf;
+ };
/* where to composite the sourceCrop onto the display. The sourceCrop
* is scaled using linear filtering to the displayFrame. The origin is the