commit 082acd66c4dee6a29345e3d118fdf24ea9d4785e
author Sushil Chauhan <sushilchauhan@codeaurora.org> Wed Jan 14 16:49:29 2015 -0800
committer Sushil Chauhan <sushilchauhan@codeaurora.org> Fri Jan 16 16:10:14 2015 -0800
tree 3a433c4262529f553db657e87f3fe5a51924a4af
parent 65e26307e63ea672332aa5cea963ad630aaf95bf

gralloc: Add adreno_utils header

Add adreno_utils header to define Adreno pixel formats, which are
needed by gralloc to map HAL format to corresponding Adreno format.

Change-Id: I6d38f34583955e3990393801f1dca0dd9aa2013b

libgralloc/alloc_controller.cpp

diff --git a/libgralloc/alloc_controller.cpp b/libgralloc/alloc_controller.cpp
index fe86018..a7c4a9a 100644
--- a/libgralloc/alloc_controller.cpp
+++ b/libgralloc/alloc_controller.cpp
@@ -101,6 +101,7 @@
     LINK_adreno_compute_padding = NULL;
     LINK_adreno_isMacroTilingSupportedByGpu = NULL;
     LINK_adreno_compute_compressedfmt_aligned_width_and_height = NULL;
+    LINK_adreno_isUBWCSupportedByGpu = NULL;
 
     libadreno_utils = ::dlopen("libadreno_utils.so", RTLD_NOW);
     if (libadreno_utils) {
@@ -113,6 +114,8 @@
         *(void **)&LINK_adreno_compute_compressedfmt_aligned_width_and_height =
                 ::dlsym(libadreno_utils,
                         "compute_compressedfmt_aligned_width_and_height");
+        *(void **)&LINK_adreno_isUBWCSupportedByGpu =
+                ::dlsym(libadreno_utils, "isUBWCSupportedByGpu");
     }
 }
 
@@ -285,11 +288,35 @@
 
 int AdrenoMemInfo::isUBWCSupportedByGPU(int format)
 {
-    // TODO: Convert HAL pixel format to corresponding Adreno format,
-    // then query GPU with Adreno format.
+    if (libadreno_utils) {
+        if (LINK_adreno_isUBWCSupportedByGpu) {
+            ADRENOPIXELFORMAT gpu_format = getGpuPixelFormat(format);
+            return LINK_adreno_isUBWCSupportedByGpu(gpu_format);
+        }
+    }
     return 0;
 }
 
+ADRENOPIXELFORMAT AdrenoMemInfo::getGpuPixelFormat(int hal_format)
+{
+    switch (hal_format) {
+        case HAL_PIXEL_FORMAT_RGBA_8888:
+            return ADRENO_PIXELFORMAT_R8G8B8A8;
+        case HAL_PIXEL_FORMAT_RGB_565:
+            return ADRENO_PIXELFORMAT_B5G6R5;
+        case HAL_PIXEL_FORMAT_sRGB_A_8888:
+            return ADRENO_PIXELFORMAT_R8G8B8A8_SRGB;
+        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
+        case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
+        case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
+            return ADRENO_PIXELFORMAT_NV12;
+        default:
+            ALOGE("%s: No map for format: 0x%x", __FUNCTION__, hal_format);
+            break;
+    }
+    return ADRENO_PIXELFORMAT_UNKNOWN;
+}
+
 //-------------- IAllocController-----------------------//
 IAllocController* IAllocController::sController = NULL;
 IAllocController* IAllocController::getInstance(void)