emulator: opengl: Back-port GLES emulation from the master tree.

The modules here are only built when BUILD_EMULATOR_OPENGL is defined to true
in your environment or your BoardConfig.mk (see tools/emulator/opengl/Android.mk)

Change-Id: I5f32c35b4452fb5a7b4d5f9fc5870ec1da6032e6

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

@@ -0,0 +1,69 @@
+/*
+* Copyright (C) 2011 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+#ifndef _GL_DECODER_CONTEXT_DATA_H_
+#define _GL_DECODER_CONTEXT_DATA_H_
+
+#include <assert.h>
+#include <string.h>
+#include "FixedBuffer.h"
+#include "codec_defs.h"
+
+class  GLDecoderContextData {
+public:
+    typedef enum  {
+        VERTEX_LOCATION = 0,
+        NORMAL_LOCATION = 1,
+        COLOR_LOCATION = 2,
+        POINTSIZE_LOCATION = 3,
+        TEXCOORD0_LOCATION = 4,
+        TEXCOORD1_LOCATION = 5,
+        TEXCOORD2_LOCATION = 6,
+        TEXCOORD3_LOCATION = 7,
+        TEXCOORD4_LOCATION = 8,
+        TEXCOORD5_LOCATION = 9,
+        TEXCOORD6_LOCATION = 10,
+        TEXCOORD7_LOCATION = 11,
+        MATRIXINDEX_LOCATION = 12,
+        WEIGHT_LOCATION = 13,
+        LAST_LOCATION = 14
+    } PointerDataLocation;
+
+    GLDecoderContextData(int nLocations = CODEC_MAX_VERTEX_ATTRIBUTES) :
+        m_nLocations(nLocations)
+    {
+        m_pointerData = new FixedBuffer[m_nLocations];
+    }
+
+    ~GLDecoderContextData() {
+        delete [] m_pointerData;
+    }
+
+    void storePointerData(unsigned int loc, void *data, size_t len) {
+
+        assert(loc < m_nLocations);
+        m_pointerData[loc].alloc(len);
+        memcpy(m_pointerData[loc].ptr(), data, len);
+    }
+    void *pointerData(unsigned int loc) {
+        assert(loc < m_nLocations);
+        return m_pointerData[loc].ptr();
+    }
+private:
+    FixedBuffer *m_pointerData;
+    int m_nLocations;
+};
+
+#endif