1 files changed, 109 insertions, 0 deletions
diff --git a/tools/emulator/opengl/shared/OpenglCodecCommon/GLClientState.h b/tools/emulator/opengl/shared/OpenglCodecCommon/GLClientState.h
new file mode 100644
index 000000000..be625d555
--- /dev/null
+++ b/tools/emulator/opengl/shared/OpenglCodecCommon/GLClientState.h
@@ -0,0 +1,109 @@
+/*
+* 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_CLIENT_STATE_H_
+#define _GL_CLIENT_STATE_H_
+
+#define GL_API
+#ifndef ANDROID
+#define GL_APIENTRY
+#define GL_APIENTRYP
+#endif
+
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+class GLClientState {
+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,
+        LAST_LOCATION = 12
+    } StateLocation;
+
+    typedef struct {
+        GLint enabled;
+        GLint size;
+        GLenum type;
+        GLsizei stride;
+        void *data;
+        GLuint bufferObject;
+        GLenum glConst;
+        unsigned int elementSize;
+        bool enableDirty;  // true if any enable state has changed since last draw
+    } VertexAttribState;
+
+    typedef struct {
+        int unpack_alignment;
+        int pack_alignment;
+    } PixelStoreState;
+
+public:
+    GLClientState(int nLocations = 32);
+    ~GLClientState();
+    const PixelStoreState *pixelStoreState() { return &m_pixelStore; }
+    int setPixelStore(GLenum param, GLint value);
+    GLuint currentArrayVbo() { return m_currentArrayVbo; }
+    GLuint currentIndexVbo() { return m_currentIndexVbo; }
+    void enable(int location, int state);
+    void setState(int  location, int size, GLenum type, GLsizei stride, void *data);
+    void setBufferObject(int location, GLuint id);
+    const VertexAttribState  *getState(int location);
+    const VertexAttribState  *getStateAndEnableDirty(int location, bool *enableChanged);
+    int getLocation(GLenum loc);
+    void setActiveTexture(int texUnit) {m_activeTexture = texUnit; };
+    int getActiveTexture() const { return m_activeTexture; }
+    int bindBuffer(GLenum target, GLuint id)
+    {
+        int err = 0;
+        switch(target) {
+        case GL_ARRAY_BUFFER:
+            m_currentArrayVbo = id;
+            break;
+        case GL_ELEMENT_ARRAY_BUFFER:
+            m_currentIndexVbo = id;
+            break;
+        default:
+            err = -1;
+        }
+        return err;
+    }
+    size_t pixelDataSize(GLsizei width, GLsizei height, GLenum format, GLenum type, int pack);
+
+private:
+    PixelStoreState m_pixelStore;
+    VertexAttribState *m_states;
+    int m_nLocations;
+    GLuint m_currentArrayVbo;
+    GLuint m_currentIndexVbo;
+    int m_activeTexture;
+
+
+    bool validLocation(int location) { return (location >= 0 && location < m_nLocations); }
+
+};
+#endif