Make GrMatrix an alias of SkMatrix. Add new methods to SkMatrix.

Review URL: http://codereview.appspot.com/4538043/

Checked in on behalf of reed@ with some additional work (remove the do-nother sk->gr matrix converter).



git-svn-id: http://skia.googlecode.com/svn/trunk@1289 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrGpuGLFixed.cpp b/gpu/src/GrGpuGLFixed.cpp
index dbfac43..e197a82 100644
--- a/gpu/src/GrGpuGLFixed.cpp
+++ b/gpu/src/GrGpuGLFixed.cpp
@@ -32,17 +32,17 @@
 
     void set(const GrMatrix& m) {
         Gr_bzero(fMat, sizeof(fMat));
-        fMat[0]  = GrScalarToFloat(m[GrMatrix::kScaleX]);
-        fMat[4]  = GrScalarToFloat(m[GrMatrix::kSkewX]);
-        fMat[12] = GrScalarToFloat(m[GrMatrix::kTransX]);
+        fMat[0]  = GrScalarToFloat(m[GrMatrix::kMScaleX]);
+        fMat[4]  = GrScalarToFloat(m[GrMatrix::kMSkewX]);
+        fMat[12] = GrScalarToFloat(m[GrMatrix::kMTransX]);
 
-        fMat[1]  = GrScalarToFloat(m[GrMatrix::kSkewY]);
-        fMat[5]  = GrScalarToFloat(m[GrMatrix::kScaleY]);
-        fMat[13] = GrScalarToFloat(m[GrMatrix::kTransY]);
+        fMat[1]  = GrScalarToFloat(m[GrMatrix::kMSkewY]);
+        fMat[5]  = GrScalarToFloat(m[GrMatrix::kMScaleY]);
+        fMat[13] = GrScalarToFloat(m[GrMatrix::kMTransY]);
 
-        fMat[3]  = GrScalarToFloat(m[GrMatrix::kPersp0]);
-        fMat[7]  = GrScalarToFloat(m[GrMatrix::kPersp1]);
-        fMat[15] = GrScalarToFloat(m[GrMatrix::kPersp2]);
+        fMat[3]  = GrScalarToFloat(m[GrMatrix::kMPersp0]);
+        fMat[7]  = GrScalarToFloat(m[GrMatrix::kMPersp1]);
+        fMat[15] = GrScalarToFloat(m[GrMatrix::kMPersp2]);
 
         fMat[10] = 1.f;    // z-scale
     }