+extern void (GLAPIENTRY *qglTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglUniform1f)(GLint location, GLfloat v0);
+extern void (GLAPIENTRY *qglUniform1fv)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform1i)(GLint location, GLint v0);
+extern void (GLAPIENTRY *qglUniform1iv)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform2f)(GLint location, GLfloat v0, GLfloat v1);
+extern void (GLAPIENTRY *qglUniform2fv)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform2i)(GLint location, GLint v0, GLint v1);
+extern void (GLAPIENTRY *qglUniform2iv)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform3f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
+extern void (GLAPIENTRY *qglUniform3fv)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform3i)(GLint location, GLint v0, GLint v1, GLint v2);
+extern void (GLAPIENTRY *qglUniform3iv)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform4f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+extern void (GLAPIENTRY *qglUniform4fv)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform4i)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
+extern void (GLAPIENTRY *qglUniform4iv)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniformBlockBinding)(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
+extern void (GLAPIENTRY *qglUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglUseProgram)(GLuint programObj);
+extern void (GLAPIENTRY *qglValidateProgram)(GLuint programObj);
+extern void (GLAPIENTRY *qglVertexAttrib1d)(GLuint index, GLdouble v0);
+extern void (GLAPIENTRY *qglVertexAttrib1dv)(GLuint index, const GLdouble *v);
+extern void (GLAPIENTRY *qglVertexAttrib1f)(GLuint index, GLfloat v0);
+extern void (GLAPIENTRY *qglVertexAttrib1fv)(GLuint index, const GLfloat *v);
+extern void (GLAPIENTRY *qglVertexAttrib1s)(GLuint index, GLshort v0);
+extern void (GLAPIENTRY *qglVertexAttrib1sv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib2d)(GLuint index, GLdouble v0, GLdouble v1);
+extern void (GLAPIENTRY *qglVertexAttrib2dv)(GLuint index, const GLdouble *v);
+extern void (GLAPIENTRY *qglVertexAttrib2f)(GLuint index, GLfloat v0, GLfloat v1);
+extern void (GLAPIENTRY *qglVertexAttrib2fv)(GLuint index, const GLfloat *v);
+extern void (GLAPIENTRY *qglVertexAttrib2s)(GLuint index, GLshort v0, GLshort v1);
+extern void (GLAPIENTRY *qglVertexAttrib2sv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib3d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
+extern void (GLAPIENTRY *qglVertexAttrib3dv)(GLuint index, const GLdouble *v);
+extern void (GLAPIENTRY *qglVertexAttrib3f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
+extern void (GLAPIENTRY *qglVertexAttrib3fv)(GLuint index, const GLfloat *v);
+extern void (GLAPIENTRY *qglVertexAttrib3s)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
+extern void (GLAPIENTRY *qglVertexAttrib3sv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nbv)(GLuint index, const GLbyte *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Niv)(GLuint index, const GLint *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nsv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nub)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
+extern void (GLAPIENTRY *qglVertexAttrib4Nubv)(GLuint index, const GLubyte *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nuiv)(GLuint index, const GLuint *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nusv)(GLuint index, const GLushort *v);
+extern void (GLAPIENTRY *qglVertexAttrib4bv)(GLuint index, const GLbyte *v);
+extern void (GLAPIENTRY *qglVertexAttrib4d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
+extern void (GLAPIENTRY *qglVertexAttrib4dv)(GLuint index, const GLdouble *v);
+extern void (GLAPIENTRY *qglVertexAttrib4f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+extern void (GLAPIENTRY *qglVertexAttrib4fv)(GLuint index, const GLfloat *v);
+extern void (GLAPIENTRY *qglVertexAttrib4iv)(GLuint index, const GLint *v);
+extern void (GLAPIENTRY *qglVertexAttrib4s)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
+extern void (GLAPIENTRY *qglVertexAttrib4sv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib4ubv)(GLuint index, const GLubyte *v);
+extern void (GLAPIENTRY *qglVertexAttrib4uiv)(GLuint index, const GLuint *v);
+extern void (GLAPIENTRY *qglVertexAttrib4usv)(GLuint index, const GLushort *v);
+extern void (GLAPIENTRY *qglVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
+extern void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
+#else
+#define qglActiveTexture glActiveTexture
+#define qglAttachShader glAttachShader
+#define qglBeginQuery glBeginQuery
+#define qglBindAttribLocation glBindAttribLocation
+#define qglBindBuffer glBindBuffer
+#define qglBindBufferBase glBindBufferBase
+#define qglBindBufferRange glBindBufferRange
+#define qglBindFragDataLocation glBindFragDataLocation
+#define qglBindFramebuffer glBindFramebuffer
+#define qglBindRenderbuffer glBindRenderbuffer
+#define qglBindTexture glBindTexture
+#define qglBlendEquation glBlendEquation
+#define qglBlendFunc glBlendFunc
+#define qglBlendFuncSeparate glBlendFuncSeparate
+#define qglBlitFramebuffer glBlitFramebuffer
+#define qglBufferData glBufferData
+#define qglBufferSubData glBufferSubData
+#define qglCheckFramebufferStatus glCheckFramebufferStatus
+#define qglClear glClear
+#define qglClearColor glClearColor
+#define qglClearDepth glClearDepth
+#define qglClearStencil glClearStencil
+#define qglColorMask glColorMask
+#define qglCompileShader glCompileShader
+#define qglCompressedTexImage2D glCompressedTexImage2D
+#define qglCompressedTexImage3D glCompressedTexImage3D
+#define qglCompressedTexSubImage2D glCompressedTexSubImage2D
+#define qglCompressedTexSubImage3D glCompressedTexSubImage3D
+#define qglCopyTexImage2D glCopyTexImage2D
+#define qglCopyTexSubImage2D glCopyTexSubImage2D
+#define qglCopyTexSubImage3D glCopyTexSubImage3D
+#define qglCreateProgram glCreateProgram
+#define qglCreateShader glCreateShader
+#define qglCullFace glCullFace
+#define qglDebugMessageCallbackARB glDebugMessageCallbackARB
+#define qglDebugMessageControlARB glDebugMessageControlARB
+#define qglDebugMessageInsertARB glDebugMessageInsertARB
+#define qglDeleteBuffers glDeleteBuffers
+#define qglDeleteFramebuffers glDeleteFramebuffers
+#define qglDeleteProgram glDeleteProgram
+#define qglDeleteQueries glDeleteQueries
+#define qglDeleteRenderbuffers glDeleteRenderbuffers
+#define qglDeleteShader glDeleteShader
+#define qglDeleteTextures glDeleteTextures
+#define qglDepthFunc glDepthFunc
+#define qglDepthMask glDepthMask
+#define qglDepthRange glDepthRange
+#define qglDepthRangef glDepthRangef
+#define qglDetachShader glDetachShader
+#define qglDisable glDisable
+#define qglDisableVertexAttribArray glDisableVertexAttribArray
+#define qglDrawArrays glDrawArrays
+#define qglDrawBuffer glDrawBuffer
+#define qglDrawBuffers glDrawBuffers
+#define qglDrawElements glDrawElements
+#define qglEnable glEnable
+#define qglEnableVertexAttribArray glEnableVertexAttribArray
+#define qglEndQuery glEndQuery
+#define qglFinish glFinish
+#define qglFlush glFlush
+#define qglFramebufferRenderbuffer glFramebufferRenderbuffer
+#define qglFramebufferTexture1D glFramebufferTexture1D
+#define qglFramebufferTexture2D glFramebufferTexture2D
+#define qglFramebufferTexture3D glFramebufferTexture3D
+#define qglFramebufferTextureLayer glFramebufferTextureLayer
+#define qglGenBuffers glGenBuffers
+#define qglGenFramebuffers glGenFramebuffers
+#define qglGenQueries glGenQueries
+#define qglGenRenderbuffers glGenRenderbuffers
+#define qglGenTextures glGenTextures
+#define qglGenerateMipmap glGenerateMipmap
+#define qglGetActiveAttrib glGetActiveAttrib
+#define qglGetActiveUniform glGetActiveUniform
+#define qglGetActiveUniformBlockName glGetActiveUniformBlockName
+#define qglGetActiveUniformBlockiv glGetActiveUniformBlockiv
+#define qglGetActiveUniformName glGetActiveUniformName
+#define qglGetActiveUniformsiv glGetActiveUniformsiv
+#define qglGetAttachedShaders glGetAttachedShaders
+#define qglGetAttribLocation glGetAttribLocation
+#define qglGetBooleanv glGetBooleanv
+#define qglGetCompressedTexImage glGetCompressedTexImage
+#define qglGetDebugMessageLogARB glGetDebugMessageLogARB
+#define qglGetDoublev glGetDoublev
+#define qglGetError glGetError
+#define qglGetFloatv glGetFloatv
+#define qglGetFramebufferAttachmentParameteriv glGetFramebufferAttachmentParameteriv
+#define qglGetIntegeri_v glGetIntegeri_v
+#define qglGetIntegerv glGetIntegerv
+#define qglGetPointerv glGetPointerv
+#define qglGetProgramInfoLog glGetProgramInfoLog
+#define qglGetProgramiv glGetProgramiv
+#define qglGetQueryObjectiv glGetQueryObjectiv
+#define qglGetQueryObjectuiv glGetQueryObjectuiv
+#define qglGetQueryiv glGetQueryiv
+#define qglGetRenderbufferParameteriv glGetRenderbufferParameteriv
+#define qglGetShaderInfoLog glGetShaderInfoLog
+#define qglGetShaderSource glGetShaderSource
+#define qglGetShaderiv glGetShaderiv
+#define qglGetString glGetString
+#define qglGetTexImage glGetTexImage
+#define qglGetTexLevelParameterfv glGetTexLevelParameterfv
+#define qglGetTexLevelParameteriv glGetTexLevelParameteriv
+#define qglGetTexParameterfv glGetTexParameterfv
+#define qglGetTexParameteriv glGetTexParameteriv
+#define qglGetUniformBlockIndex glGetUniformBlockIndex
+#define qglGetUniformIndices glGetUniformIndices
+#define qglGetUniformLocation glGetUniformLocation
+#define qglGetUniformfv glGetUniformfv
+#define qglGetUniformiv glGetUniformiv
+#define qglGetVertexAttribPointerv glGetVertexAttribPointerv
+#define qglGetVertexAttribdv glGetVertexAttribdv
+#define qglGetVertexAttribfv glGetVertexAttribfv
+#define qglGetVertexAttribiv glGetVertexAttribiv
+#define qglHint glHint
+#define qglIsBuffer glIsBuffer
+#define qglIsEnabled glIsEnabled
+#define qglIsFramebuffer glIsFramebuffer
+#define qglIsQuery glIsQuery
+#define qglIsRenderbuffer glIsRenderbuffer
+#define qglLinkProgram glLinkProgram
+#define qglMapBuffer glMapBuffer
+#define qglPixelStorei glPixelStorei
+#define qglPointSize glPointSize
+#define qglPolygonMode glPolygonMode
+#define qglPolygonOffset glPolygonOffset
+#define qglReadBuffer glReadBuffer
+#define qglReadPixels glReadPixels
+#define qglRenderbufferStorage glRenderbufferStorage
+#define qglRenderbufferStorageMultisample glRenderbufferStorageMultisample
+#define qglSampleCoverage glSampleCoverage
+#define qglScissor glScissor
+#define qglShaderSource glShaderSource
+#define qglStencilFunc glStencilFunc
+#define qglStencilMask glStencilMask
+#define qglStencilOp glStencilOp
+#define qglTexImage2D glTexImage2D
+#define qglTexImage3D glTexImage3D
+#define qglTexParameterf glTexParameterf
+#define qglTexParameterfv glTexParameterfv
+#define qglTexParameteri glTexParameteri
+#define qglTexSubImage2D glTexSubImage2D
+#define qglTexSubImage3D glTexSubImage3D
+#define qglUniform1f glUniform1f
+#define qglUniform1fv glUniform1fv
+#define qglUniform1i glUniform1i
+#define qglUniform1iv glUniform1iv
+#define qglUniform2f glUniform2f
+#define qglUniform2fv glUniform2fv
+#define qglUniform2i glUniform2i
+#define qglUniform2iv glUniform2iv
+#define qglUniform3f glUniform3f
+#define qglUniform3fv glUniform3fv
+#define qglUniform3i glUniform3i
+#define qglUniform3iv glUniform3iv
+#define qglUniform4f glUniform4f
+#define qglUniform4fv glUniform4fv
+#define qglUniform4i glUniform4i
+#define qglUniform4iv glUniform4iv
+#define qglUniformBlockBinding glUniformBlockBinding
+#define qglUniformMatrix2fv glUniformMatrix2fv
+#define qglUniformMatrix3fv glUniformMatrix3fv
+#define qglUniformMatrix4fv glUniformMatrix4fv
+#define qglUnmapBuffer glUnmapBuffer
+#define qglUseProgram glUseProgram
+#define qglValidateProgram glValidateProgram
+#define qglVertexAttrib1d glVertexAttrib1d
+#define qglVertexAttrib1dv glVertexAttrib1dv
+#define qglVertexAttrib1f glVertexAttrib1f
+#define qglVertexAttrib1fv glVertexAttrib1fv
+#define qglVertexAttrib1s glVertexAttrib1s
+#define qglVertexAttrib1sv glVertexAttrib1sv
+#define qglVertexAttrib2d glVertexAttrib2d
+#define qglVertexAttrib2dv glVertexAttrib2dv
+#define qglVertexAttrib2f glVertexAttrib2f
+#define qglVertexAttrib2fv glVertexAttrib2fv
+#define qglVertexAttrib2s glVertexAttrib2s
+#define qglVertexAttrib2sv glVertexAttrib2sv
+#define qglVertexAttrib3d glVertexAttrib3d
+#define qglVertexAttrib3dv glVertexAttrib3dv
+#define qglVertexAttrib3f glVertexAttrib3f
+#define qglVertexAttrib3fv glVertexAttrib3fv
+#define qglVertexAttrib3s glVertexAttrib3s
+#define qglVertexAttrib3sv glVertexAttrib3sv
+#define qglVertexAttrib4Nbv glVertexAttrib4Nbv
+#define qglVertexAttrib4Niv glVertexAttrib4Niv
+#define qglVertexAttrib4Nsv glVertexAttrib4Nsv
+#define qglVertexAttrib4Nub glVertexAttrib4Nub
+#define qglVertexAttrib4Nubv glVertexAttrib4Nubv
+#define qglVertexAttrib4Nuiv glVertexAttrib4Nuiv
+#define qglVertexAttrib4Nusv glVertexAttrib4Nusv
+#define qglVertexAttrib4bv glVertexAttrib4bv
+#define qglVertexAttrib4d glVertexAttrib4d
+#define qglVertexAttrib4dv glVertexAttrib4dv
+#define qglVertexAttrib4f glVertexAttrib4f
+#define qglVertexAttrib4fv glVertexAttrib4fv
+#define qglVertexAttrib4iv glVertexAttrib4iv
+#define qglVertexAttrib4s glVertexAttrib4s
+#define qglVertexAttrib4sv glVertexAttrib4sv
+#define qglVertexAttrib4ubv glVertexAttrib4ubv
+#define qglVertexAttrib4uiv glVertexAttrib4uiv
+#define qglVertexAttrib4usv glVertexAttrib4usv
+#define qglVertexAttribPointer glVertexAttribPointer
+#define qglViewport glViewport
+#endif //USE_GLES2
+
+#define GL_COLOR_ATTACHMENT0 0x8CE0
+#define GL_COLOR_ATTACHMENT1 0x8CE1
+#define GL_COLOR_ATTACHMENT2 0x8CE2
+#define GL_COLOR_ATTACHMENT3 0x8CE3
+#define GL_COLOR_ATTACHMENT4 0x8CE4
+#define GL_COLOR_ATTACHMENT5 0x8CE5
+#define GL_COLOR_ATTACHMENT6 0x8CE6
+#define GL_COLOR_ATTACHMENT7 0x8CE7
+#define GL_COLOR_ATTACHMENT8 0x8CE8
+#define GL_COLOR_ATTACHMENT9 0x8CE9
+#define GL_COLOR_ATTACHMENT10 0x8CEA
+#define GL_COLOR_ATTACHMENT11 0x8CEB
+#define GL_COLOR_ATTACHMENT12 0x8CEC
+#define GL_COLOR_ATTACHMENT13 0x8CED
+#define GL_COLOR_ATTACHMENT14 0x8CEE
+#define GL_COLOR_ATTACHMENT15 0x8CEF
+
+#define GL_RGBA32F 0x8814
+#define GL_RGB32F 0x8815
+#define GL_ALPHA32F 0x8816
+#define GL_INTENSITY32F 0x8817
+#define GL_LUMINANCE32F 0x8818
+#define GL_LUMINANCE_ALPHA32F 0x8819
+#define GL_RGBA16F 0x881A
+#define GL_RGB16F 0x881B
+#define GL_ALPHA16F 0x881C
+#define GL_INTENSITY16F 0x881D
+#define GL_LUMINANCE16F 0x881E
+#define GL_LUMINANCE_ALPHA16F 0x881F