Add support for custom buffer sizes.

Add native window properties NATIVE_WINDOW_SET_BUFFERS_SIZE to the
perform function of SurfaceTextureClient to set the user defined size
of graphic buffers.

Change-Id: I1dc2203990a3641fbb9ddab9a86f7e9017f05270

2 files changed, 20 insertions, 0 deletions

diff --git a/services/surfaceflinger/DisplayHardware/GraphicBufferAlloc.cpp b/services/surfaceflinger/DisplayHardware/GraphicBufferAlloc.cpp
index 965ff01..0c94c7d 100644
--- a/services/surfaceflinger/DisplayHardware/GraphicBufferAlloc.cpp
+++ b/services/surfaceflinger/DisplayHardware/GraphicBufferAlloc.cpp
@@ -26,6 +26,9 @@ namespace android {
 // ----------------------------------------------------------------------------
 
 GraphicBufferAlloc::GraphicBufferAlloc() {
+#ifdef QCOM_BSP
+    mBufferSize = 0;
+#endif
 }
 
 GraphicBufferAlloc::~GraphicBufferAlloc() {
@@ -33,7 +36,13 @@ GraphicBufferAlloc::~GraphicBufferAlloc() {
 
 sp<GraphicBuffer> GraphicBufferAlloc::createGraphicBuffer(uint32_t w, uint32_t h,
         PixelFormat format, uint32_t usage, status_t* error) {
+#ifdef QCOM_BSP
+    sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(w, h, format,
+                                                      usage, mBufferSize));
+#else
     sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(w, h, format, usage));
+#endif
+
     status_t err = graphicBuffer->initCheck();
     *error = err;
     if (err != 0 || graphicBuffer->handle == 0) {
@@ -48,6 +57,12 @@ sp<GraphicBuffer> GraphicBufferAlloc::createGraphicBuffer(uint32_t w, uint32_t h
     return graphicBuffer;
 }
 
+#ifdef QCOM_BSP
+void GraphicBufferAlloc::setGraphicBufferSize(int size) {
+    mBufferSize = size;
+}
+#endif
+
 // ----------------------------------------------------------------------------
 }; // namespace android
 // ----------------------------------------------------------------------------
diff --git a/services/surfaceflinger/DisplayHardware/GraphicBufferAlloc.h b/services/surfaceflinger/DisplayHardware/GraphicBufferAlloc.h
index b08750c..521383d 100644
--- a/services/surfaceflinger/DisplayHardware/GraphicBufferAlloc.h
+++ b/services/surfaceflinger/DisplayHardware/GraphicBufferAlloc.h
@@ -35,6 +35,11 @@ public:
     virtual ~GraphicBufferAlloc();
     virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
         PixelFormat format, uint32_t usage, status_t* error);
+#ifdef QCOM_BSP
+    virtual void setGraphicBufferSize(int size);
+private:
+    int mBufferSize;
+#endif
 };