Updated SkUIView to use the current code, added a default gl interface for ios
http://codereview.appspot.com/4717043/


git-svn-id: http://skia.googlecode.com/svn/trunk@1855 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/ios/GrGLDefaultInterface_iOS.cpp b/gpu/src/ios/GrGLDefaultInterface_iOS.cpp
new file mode 100644
index 0000000..4126d25
--- /dev/null
+++ b/gpu/src/ios/GrGLDefaultInterface_iOS.cpp
@@ -0,0 +1,156 @@
+/*
+ Copyright 2011 Google Inc.
+ 
+ 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.
+ */
+
+#include "GrGLInterface.h"
+
+#import <OpenGLES/ES1/gl.h>
+#import <OpenGLES/ES1/glext.h>
+
+#import <OpenGLES/ES2/gl.h>
+#import <OpenGLES/ES2/glext.h>
+
+void GrGLSetDefaultGLInterface() {
+    static GrGLInterface gDefaultInterface;
+    static bool gDefaultInterfaceInit;
+    if (!gDefaultInterfaceInit) {
+        gDefaultInterface.fNPOTRenderTargetSupport = kProbe_GrGLCapability;
+        gDefaultInterface.fMinRenderTargetHeight = kProbe_GrGLCapability;
+        gDefaultInterface.fMinRenderTargetWidth = kProbe_GrGLCapability;
+        
+        gDefaultInterface.fActiveTexture = glActiveTexture;
+        gDefaultInterface.fAttachShader = glAttachShader;
+        gDefaultInterface.fBindAttribLocation = glBindAttribLocation;
+        gDefaultInterface.fBindBuffer = glBindBuffer;
+        gDefaultInterface.fBindTexture = glBindTexture;
+        gDefaultInterface.fBlendColor = glBlendColor;
+        gDefaultInterface.fBlendFunc = glBlendFunc;
+        gDefaultInterface.fBufferData = (GrGLBufferDataProc)glBufferData;
+        gDefaultInterface.fBufferSubData = (GrGLBufferSubDataProc)glBufferSubData;
+        gDefaultInterface.fClear = glClear;
+        gDefaultInterface.fClearColor = glClearColor;
+        gDefaultInterface.fClearStencil = glClearStencil;
+        gDefaultInterface.fClientActiveTexture = glClientActiveTexture;
+        gDefaultInterface.fColorMask = glColorMask;
+        gDefaultInterface.fColorPointer = glColorPointer;
+        gDefaultInterface.fColor4ub = glColor4ub;
+        gDefaultInterface.fCompileShader = glCompileShader;
+        gDefaultInterface.fCompressedTexImage2D = glCompressedTexImage2D;
+        gDefaultInterface.fCreateProgram = glCreateProgram;
+        gDefaultInterface.fCreateShader = glCreateShader;
+        gDefaultInterface.fCullFace = glCullFace;
+        gDefaultInterface.fDeleteBuffers = glDeleteBuffers;
+        gDefaultInterface.fDeleteProgram = glDeleteProgram;
+        gDefaultInterface.fDeleteShader = glDeleteShader;
+        gDefaultInterface.fDeleteTextures = glDeleteTextures;
+        gDefaultInterface.fDepthMask = glDepthMask;
+        gDefaultInterface.fDisable = glDisable;
+        gDefaultInterface.fDisableClientState = glDisableClientState;
+        gDefaultInterface.fDisableVertexAttribArray =
+        glDisableVertexAttribArray;
+        gDefaultInterface.fDrawArrays = glDrawArrays;
+        gDefaultInterface.fDrawElements = glDrawElements;
+        gDefaultInterface.fEnable = glEnable;
+        gDefaultInterface.fEnableClientState = glEnableClientState;
+        gDefaultInterface.fEnableVertexAttribArray = glEnableVertexAttribArray;
+        gDefaultInterface.fFrontFace = glFrontFace;
+        gDefaultInterface.fGenBuffers = glGenBuffers;
+        gDefaultInterface.fGetBufferParameteriv = glGetBufferParameteriv;
+        gDefaultInterface.fGetError = glGetError;
+        gDefaultInterface.fGetIntegerv = glGetIntegerv;
+        gDefaultInterface.fGetProgramInfoLog = glGetProgramInfoLog;
+        gDefaultInterface.fGetProgramiv = glGetProgramiv;
+        gDefaultInterface.fGetShaderInfoLog = glGetShaderInfoLog;
+        gDefaultInterface.fGetShaderiv = glGetShaderiv;
+        gDefaultInterface.fGetString = glGetString;
+        gDefaultInterface.fGenTextures = glGenTextures;
+        gDefaultInterface.fGetUniformLocation = glGetUniformLocation;
+        gDefaultInterface.fLineWidth = glLineWidth;
+        gDefaultInterface.fLinkProgram = glLinkProgram;
+        gDefaultInterface.fLoadMatrixf = glLoadMatrixf;
+        gDefaultInterface.fMatrixMode = glMatrixMode;
+        gDefaultInterface.fPointSize = glPointSize;
+        gDefaultInterface.fPixelStorei = glPixelStorei;
+        gDefaultInterface.fReadPixels = glReadPixels;
+        gDefaultInterface.fScissor = glScissor;
+        gDefaultInterface.fShadeModel = glShadeModel;
+        gDefaultInterface.fShaderSource = glShaderSource;
+        gDefaultInterface.fStencilFunc = glStencilFunc;
+        gDefaultInterface.fStencilFuncSeparate = glStencilFuncSeparate;
+        gDefaultInterface.fStencilMask = glStencilMask;
+        gDefaultInterface.fStencilMaskSeparate = glStencilMaskSeparate;
+        gDefaultInterface.fStencilOp = glStencilOp;
+        gDefaultInterface.fStencilOpSeparate = glStencilOpSeparate;
+        gDefaultInterface.fTexCoordPointer = glTexCoordPointer;
+        gDefaultInterface.fTexEnvi = glTexEnvi;
+        // mac uses GLenum for internalFormat param (non-standard)
+        // amounts to int vs. uint.
+        gDefaultInterface.fTexImage2D = (GrGLTexImage2DProc)glTexImage2D;
+        gDefaultInterface.fTexParameteri = glTexParameteri;
+        gDefaultInterface.fTexSubImage2D = glTexSubImage2D;
+        gDefaultInterface.fUniform1f = glUniform1f;
+        gDefaultInterface.fUniform1i = glUniform1i;
+        gDefaultInterface.fUniform1fv = glUniform1fv;
+        gDefaultInterface.fUniform1iv = glUniform1iv;
+        gDefaultInterface.fUniform2f = glUniform2f;
+        gDefaultInterface.fUniform2i = glUniform2i;
+        gDefaultInterface.fUniform2fv = glUniform2fv;
+        gDefaultInterface.fUniform2iv = glUniform2iv;
+        gDefaultInterface.fUniform3f = glUniform3f;
+        gDefaultInterface.fUniform3i = glUniform3i;
+        gDefaultInterface.fUniform3fv = glUniform3fv;
+        gDefaultInterface.fUniform3iv = glUniform3iv;
+        gDefaultInterface.fUniform4f = glUniform4f;
+        gDefaultInterface.fUniform4i = glUniform4i;
+        gDefaultInterface.fUniform4fv = glUniform4fv;
+        gDefaultInterface.fUniform4iv = glUniform4iv;
+        gDefaultInterface.fUniform4fv = glUniform4fv;
+        gDefaultInterface.fUniformMatrix2fv = glUniformMatrix2fv;
+        gDefaultInterface.fUniformMatrix3fv = glUniformMatrix3fv;
+        gDefaultInterface.fUniformMatrix4fv = glUniformMatrix4fv;
+        gDefaultInterface.fUseProgram = glUseProgram;
+        gDefaultInterface.fVertexAttrib4fv = glVertexAttrib4fv;
+        gDefaultInterface.fVertexAttribPointer = glVertexAttribPointer;
+        gDefaultInterface.fVertexPointer = glVertexPointer;
+        gDefaultInterface.fViewport = glViewport;
+        
+        gDefaultInterface.fGenFramebuffers = glGenFramebuffers;
+        gDefaultInterface.fBindFramebuffer = glBindFramebuffer;
+        gDefaultInterface.fFramebufferTexture2D = glFramebufferTexture2D;
+        gDefaultInterface.fCheckFramebufferStatus = glCheckFramebufferStatus;
+        gDefaultInterface.fDeleteFramebuffers = glDeleteFramebuffers;
+        gDefaultInterface.fRenderbufferStorage = glRenderbufferStorage;
+        gDefaultInterface.fGenRenderbuffers = glGenRenderbuffers;
+        gDefaultInterface.fDeleteRenderbuffers = glDeleteRenderbuffers;
+        gDefaultInterface.fFramebufferRenderbuffer = glFramebufferRenderbuffer;
+        gDefaultInterface.fBindRenderbuffer = glBindRenderbuffer;
+       
+#if GL_OES_mapbuffer
+        gDefaultInterface.fMapBuffer = glMapBufferOES;
+        gDefaultInterface.fUnmapBuffer = glUnmapBufferOES;
+#endif
+        
+#if GL_APPLE_framebuffer_multisample
+        gDefaultInterface.fRenderbufferStorageMultisample = glRenderbufferStorageMultisampleAPPLE;
+        gDefaultInterface.fResolveMultisampleFramebuffer = glResolveMultisampleFramebufferAPPLE;
+#endif
+        gDefaultInterface.fBindFragDataLocationIndexed = NULL;
+        
+        gDefaultInterface.fBindingsExported = kES2_GrGLBinding;
+        
+        gDefaultInterfaceInit = true;
+    }
+    GrGLSetGLInterface(&gDefaultInterface);
+}
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