Change ppapi_simple to support pixel format selection.

native_client_sdk/src/examples/demo/life/life.c

 /* Copyright (c) 2013 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ skipping 24 matching lines @@
   PP_Resource ctx;
   struct PP_Size size;
   int bound;
   uint8_t* cell_in;
   uint8_t* cell_out;
 } g_Context;
 
 
 const unsigned int kInitialRandSeed = 0xC0DE533D;
 
-#define MakeRGBA(r, g, b, a)  \
+/* BGRA helper macro, for constructing a pixel for a BGRA buffer. */
+#define MakeBGRA(b, g, r, a)  \
   (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 
 
 /*
  * Given a count of cells in a 3x3 grid where cells are worth 1 except for
  * the center which is worth 9, this is a color representation of how
  * "alive" that cell is making for a more interesting representation than
  * a binary alive or dead.
  */
 const uint32_t kNeighborColors[] = {
-    MakeRGBA(0x00, 0x00, 0x00, 0xff),
-    MakeRGBA(0x00, 0x40, 0x00, 0xff),
-    MakeRGBA(0x00, 0x60, 0x00, 0xff),
-    MakeRGBA(0x00, 0x80, 0x00, 0xff),
-    MakeRGBA(0x00, 0xA0, 0x00, 0xff),
-    MakeRGBA(0x00, 0xC0, 0x00, 0xff),
-    MakeRGBA(0x00, 0xE0, 0x00, 0xff),
-    MakeRGBA(0x00, 0x00, 0x00, 0xff),
-    MakeRGBA(0x00, 0x40, 0x00, 0xff),
-    MakeRGBA(0x00, 0x60, 0x00, 0xff),
-    MakeRGBA(0x00, 0x80, 0x00, 0xff),
-    MakeRGBA(0x00, 0xA0, 0x00, 0xff),
-    MakeRGBA(0x00, 0xC0, 0x00, 0xff),
-    MakeRGBA(0x00, 0xE0, 0x00, 0xff),
-    MakeRGBA(0x00, 0xFF, 0x00, 0xff),
-    MakeRGBA(0x00, 0xFF, 0x00, 0xff),
-    MakeRGBA(0x00, 0xFF, 0x00, 0xff),
-    MakeRGBA(0x00, 0xFF, 0x00, 0xff),
+    MakeBGRA(0x00, 0x00, 0x00, 0xff),
+    MakeBGRA(0x00, 0x40, 0x00, 0xff),
+    MakeBGRA(0x00, 0x60, 0x00, 0xff),
+    MakeBGRA(0x00, 0x80, 0x00, 0xff),
+    MakeBGRA(0x00, 0xA0, 0x00, 0xff),
+    MakeBGRA(0x00, 0xC0, 0x00, 0xff),
+    MakeBGRA(0x00, 0xE0, 0x00, 0xff),
+    MakeBGRA(0x00, 0x00, 0x00, 0xff),
+    MakeBGRA(0x00, 0x40, 0x00, 0xff),
+    MakeBGRA(0x00, 0x60, 0x00, 0xff),
+    MakeBGRA(0x00, 0x80, 0x00, 0xff),
+    MakeBGRA(0x00, 0xA0, 0x00, 0xff),
+    MakeBGRA(0x00, 0xC0, 0x00, 0xff),
+    MakeBGRA(0x00, 0xE0, 0x00, 0xff),
+    MakeBGRA(0x00, 0xFF, 0x00, 0xff),
+    MakeBGRA(0x00, 0xFF, 0x00, 0xff),
+    MakeBGRA(0x00, 0xFF, 0x00, 0xff),
+    MakeBGRA(0x00, 0xFF, 0x00, 0xff),
 };
 
 /*
  * These represent the new health value of a cell based on its neighboring
  * values.  The health is binary: either alive or dead.
  */
 const uint8_t kIsAlive[] = {
       0, 0, 0, 1, 0, 0, 0, 0, 0,  /* Values if the center cell is dead. */
       0, 0, 1, 1, 0, 0, 0, 0, 0   /* Values if the center cell is alive. */
 };
@@ skipping 212 matching lines @@
     }
   }
   return 0;
 }
 
 /*
  * Register the function to call once the Instance Object is initialized.
  * see: pappi_simple/ps_main.h
  */
 PPAPI_SIMPLE_REGISTER_MAIN(example_main);