Add glTexGen funcs to interface

src/gpu/gl/GrGpuGL.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGpuGL.h"
 #include "GrGLStencilBuffer.h"
@@ skipping 342 matching lines @@
 
     // Vertex
     if (resetBits & kVertex_GrGLBackendState) {
         fHWGeometryState.invalidate();
     }
 
     if (resetBits & kRenderTarget_GrGLBackendState) {
         fHWBoundRenderTarget = NULL;
     }
 
-    if (resetBits & kPathStencil_GrGLBackendState) {
-        fHWPathStencilMatrixState.invalidate();
-        if (this->caps()->pathStencilingSupport()) {
-            // we don't use the model view matrix.
-            GL_CALL(MatrixMode(GR_GL_MODELVIEW));
-            GL_CALL(LoadIdentity());
+    if (resetBits & kFixedFunction_GrGLBackendState &&
+        kDesktop_GrGLBinding == this->glBinding() &&
+        !this->glCaps().isCoreProfile()) {
+
+        fHWfixedFunctionMatrixState.invalidate();
+        // we don't use the model view matrix.
+        GL_CALL(MatrixMode(GR_GL_MODELVIEW));
+        GL_CALL(LoadIdentity());
+
+        // When we use fixed function vertex processing we always use the vertex array
+        // and none of the other arrays.
+        GL_CALL(EnableClientState(GR_GL_VERTEX_ARRAY));
+        GL_CALL(DisableClientState(GR_GL_NORMAL_ARRAY));
+        GL_CALL(DisableClientState(GR_GL_COLOR_ARRAY));
+        GL_CALL(DisableClientState(GR_GL_INDEX_ARRAY));
+        GL_CALL(DisableClientState(GR_GL_EDGE_FLAG_ARRAY));
+        for (int i = 0; i < this->glCaps().maxFixedFunctionTextureCoords(); ++i) {
+            GL_CALL(ClientActiveTexture(GR_GL_TEXTURE0 + i));
+            GL_CALL(DisableClientState(GR_GL_TEXTURE_COORD_ARRAY));
+
+            GL_CALL(Disable(GR_GL_TEXTURE_GEN_S));
+            GL_CALL(Disable(GR_GL_TEXTURE_GEN_T));
+            GL_CALL(Disable(GR_GL_TEXTURE_GEN_Q));
+            GL_CALL(Disable(GR_GL_TEXTURE_GEN_R));
         }
     }
 
     // we assume these values
     if (resetBits & kPixelStore_GrGLBackendState) {
         if (this->glCaps().unpackRowLengthSupport()) {
             GL_CALL(PixelStorei(GR_GL_UNPACK_ROW_LENGTH, 0));
         }
         if (this->glCaps().packRowLengthSupport()) {
             GL_CALL(PixelStorei(GR_GL_PACK_ROW_LENGTH, 0));
@@ skipping 2173 matching lines @@
             this->setVertexArrayID(gpu, 0);
         }
         int attrCount = gpu->glCaps().maxVertexAttributes();
         if (fDefaultVertexArrayAttribState.count() != attrCount) {
             fDefaultVertexArrayAttribState.resize(attrCount);
         }
         attribState = &fDefaultVertexArrayAttribState;
     }
     return attribState;
 }