emulator Opengl - number of supported vertex attributes

make the number of suppoted vertex attributes (by the codec)
common across the encoder and the decoder.

Change-Id: I699ef62821566cec0764982872adb92ebb8861e9

tools/emulator/opengl/shared/OpenglCodecCommon/FixedBuffer.h

@@ -25,11 +25,9 @@ public:
     }
 
     ~FixedBuffer() {
-        if (m_buffer != NULL) {
         delete m_buffer;
         m_bufferLen = 0;
     }
-    }
 
     void * alloc(size_t size) {
         if (m_bufferLen >= size) return (void *)(m_buffer);

tools/emulator/opengl/shared/OpenglCodecCommon/GLClientState.h

@@ -30,6 +30,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include "ErrorLog.h"
+#include "codec_defs.h"
 
 class GLClientState {
 public:
@@ -70,7 +71,7 @@ public:
     } PixelStoreState;
 
 public:
-    GLClientState(int nLocations = 32);
+    GLClientState(int nLocations = CODEC_MAX_VERTEX_ATTRIBUTES);
     ~GLClientState();
     int nLocations() { return m_nLocations; }
     const PixelStoreState *pixelStoreState() { return &m_pixelStore; }

tools/emulator/opengl/shared/OpenglCodecCommon/GLDecoderContextData.h

@@ -19,6 +19,7 @@
 #include <assert.h>
 #include <string.h>
 #include "FixedBuffer.h"
+#include "codec_defs.h"
 
 class  GLDecoderContextData {
 public:
@@ -40,18 +41,29 @@ public:
         LAST_LOCATION = 14
     } PointerDataLocation;
 
-    void storePointerData(PointerDataLocation loc, void *data, size_t len) {
-        assert(loc < LAST_LOCATION);
+    GLDecoderContextData(int nLocations = CODEC_MAX_VERTEX_ATTRIBUTES) :
+        m_nLocations(nLocations)
+    {
+        m_pointerData = new FixedBuffer(m_nLocations);
+    }
 
+    ~GLDecoderContextData() {
+        delete m_pointerData;
+    }
+
+    void storePointerData(PointerDataLocation loc, void *data, size_t len) {
+
+        assert(loc < m_nLocations);
         m_pointerData[loc].alloc(len);
         memcpy(m_pointerData[loc].ptr(), data, len);
     }
     void *pointerData(PointerDataLocation loc) {
-        assert(loc < LAST_LOCATION);
+        assert(loc < m_nLocations);
         return m_pointerData[loc].ptr();
     }
 private:
-    FixedBuffer m_pointerData[LAST_LOCATION];
+    FixedBuffer *m_pointerData;
+    int m_nLocations;
 };
 
 #endif

tools/emulator/opengl/shared/OpenglCodecCommon/codec_defs.h

@@ -18,4 +18,6 @@
 
 #define CODEC_SERVER_PORT 22468
 
+#define CODEC_MAX_VERTEX_ATTRIBUTES 64
+
 #endif