Remove image usage type enum. Use GrTextureParams instead.

include/gpu/GrTextureParams.h

Index: include/gpu/GrTextureParams.h
diff --git a/include/gpu/GrTextureParams.h b/include/gpu/GrTextureParams.h
new file mode 100644
index 0000000000000000000000000000000000000000..3186b1b027186b29df31361e7fd80eb6055d52f8
--- /dev/null
+++ b/include/gpu/GrTextureParams.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrTextureParams_DEFINED
+#define GrTextureParams_DEFINED
+
+#include "GrTypes.h"
+#include "SkShader.h"
+
+/**
+ * Represents the filtering and tile modes used to access a texture.
+ */
+class GrTextureParams {
+public:
+    static const GrTextureParams& ClampNoFilter() {
+        static const GrTextureParams gParams;
+        return gParams;
+    }
+    static const GrTextureParams& ClampBilerp() {
+        static const GrTextureParams gParams(SkShader::kClamp_TileMode, kBilerp_FilterMode);
+        return gParams;
+    }
+
+    GrTextureParams() {
+        this->reset();
+    }
+
+    enum FilterMode {
+        kNone_FilterMode,
+        kBilerp_FilterMode,
+        kMipMap_FilterMode
+    };
+
+    GrTextureParams(SkShader::TileMode tileXAndY, FilterMode filterMode) {
+        this->reset(tileXAndY, filterMode);
+    }
+
+    GrTextureParams(const SkShader::TileMode tileModes[2], FilterMode filterMode) {
+        this->reset(tileModes, filterMode);
+    }
+
+    GrTextureParams(const GrTextureParams& params) {
+        *this = params;
+    }
+
+    GrTextureParams& operator= (const GrTextureParams& params) {
+        fTileModes[0] = params.fTileModes[0];
+        fTileModes[1] = params.fTileModes[1];
+        fFilterMode = params.fFilterMode;
+        return *this;
+    }
+
+    void reset() {
+        this->reset(SkShader::kClamp_TileMode, kNone_FilterMode);
+    }
+
+    void reset(SkShader::TileMode tileXAndY, FilterMode filterMode) {
+        fTileModes[0] = fTileModes[1] = tileXAndY;
+        fFilterMode = filterMode;
+    }
+
+    void reset(const SkShader::TileMode tileModes[2], FilterMode filterMode) {
+        fTileModes[0] = tileModes[0];
+        fTileModes[1] = tileModes[1];
+        fFilterMode = filterMode;
+    }
+
+    void setClampNoFilter() {
+        fTileModes[0] = fTileModes[1] = SkShader::kClamp_TileMode;
+        fFilterMode = kNone_FilterMode;
+    }
+
+    void setClamp() {
+        fTileModes[0] = fTileModes[1] = SkShader::kClamp_TileMode;
+    }
+
+    void setFilterMode(FilterMode filterMode) { fFilterMode = filterMode; }
+
+    void setTileModeX(const SkShader::TileMode tm) { fTileModes[0] = tm; }
+    void setTileModeY(const SkShader::TileMode tm) { fTileModes[1] = tm; }
+    void setTileModeXAndY(const SkShader::TileMode tm) { fTileModes[0] = fTileModes[1] = tm; }
+
+    SkShader::TileMode getTileModeX() const { return fTileModes[0]; }
+
+    SkShader::TileMode getTileModeY() const { return fTileModes[1]; }
+
+    bool isTiled() const {
+        return SkShader::kClamp_TileMode != fTileModes[0] ||
+               SkShader::kClamp_TileMode != fTileModes[1];
+    }
+
+    FilterMode filterMode() const { return fFilterMode; }
+
+    bool operator== (const GrTextureParams& other) const {
+        return fTileModes[0] == other.fTileModes[0] &&
+               fTileModes[1] == other.fTileModes[1] &&
+               fFilterMode == other.fFilterMode;
+    }
+
+    bool operator!= (const GrTextureParams& other) const { return !(*this == other); }
+
+private:
+    SkShader::TileMode fTileModes[2];
+    FilterMode         fFilterMode;
+};
+#endif