gralloc: Add support for 32-bit framebuffers.

Note: The code under hardware/libhardware/modules/gralloc/ is only used
      when running the system under the emulator.

Change-Id: I022978aeaacc5137c9917cd2ef6952dd3897ece4

1 files changed, 4 insertions, 14 deletions

diff --git a/modules/gralloc/framebuffer.cpp b/modules/gralloc/framebuffer.cpp
index 59c5001..e1323c2 100644
--- a/modules/gralloc/framebuffer.cpp
+++ b/modules/gralloc/framebuffer.cpp
@@ -177,19 +177,6 @@ int mapFrameBufferLocked(struct private_module_t* module)
     info.activate = FB_ACTIVATE_NOW;
 
     /*
-     * Explicitly request 5/6/5
-     */
-    info.bits_per_pixel = 16;
-    info.red.offset     = 11;
-    info.red.length     = 5;
-    info.green.offset   = 5;
-    info.green.length   = 6;
-    info.blue.offset    = 0;
-    info.blue.length    = 5;
-    info.transp.offset  = 0;
-    info.transp.length  = 0;
-
-    /*
      * Request NUM_BUFFERS screens (at lest 2 for page flipping)
      */
     info.yres_virtual = info.yres * NUM_BUFFERS;
@@ -352,11 +339,14 @@ int fb_device_open(hw_module_t const* module, const char* name,
         status = mapFrameBuffer(m);
         if (status >= 0) {
             int stride = m->finfo.line_length / (m->info.bits_per_pixel >> 3);
+            int format = (m->info.bits_per_pixel == 32)
+                         ? HAL_PIXEL_FORMAT_RGBX_8888
+                         : HAL_PIXEL_FORMAT_RGB_565;
             const_cast<uint32_t&>(dev->device.flags) = 0;
             const_cast<uint32_t&>(dev->device.width) = m->info.xres;
             const_cast<uint32_t&>(dev->device.height) = m->info.yres;
             const_cast<int&>(dev->device.stride) = stride;
-            const_cast<int&>(dev->device.format) = HAL_PIXEL_FORMAT_RGB_565;
+            const_cast<int&>(dev->device.format) = format;
             const_cast<float&>(dev->device.xdpi) = m->xdpi;
             const_cast<float&>(dev->device.ydpi) = m->ydpi;
             const_cast<float&>(dev->device.fps) = m->fps;