Convert tabs to spaces.

Change-Id: I5d3ae48af79b19b6d293deff0521e4bb57d5114b
diff --git a/core/jni/android_view_GLES20Canvas.cpp b/core/jni/android_view_GLES20Canvas.cpp
index aca63e8..d3b6558 100644
--- a/core/jni/android_view_GLES20Canvas.cpp
+++ b/core/jni/android_view_GLES20Canvas.cpp
@@ -36,8 +36,8 @@
 // ----------------------------------------------------------------------------
 
 static struct {
-	jclass clazz;
-	jmethodID set;
+    jclass clazz;
+    jmethodID set;
 } gRectClassInfo;
 
 // ----------------------------------------------------------------------------
@@ -114,12 +114,12 @@
 static bool android_view_GLES20Renderer_getClipBounds(JNIEnv* env, jobject canvas,
         OpenGLRenderer* renderer, jobject rect) {
 
-	const android::uirenderer::Rect& bounds(renderer->getClipBounds());
+    const android::uirenderer::Rect& bounds(renderer->getClipBounds());
 
-	env->CallVoidMethod(rect, gRectClassInfo.set,
-			int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
+    env->CallVoidMethod(rect, gRectClassInfo.set,
+            int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
 
-	return !bounds.isEmpty();
+    return !bounds.isEmpty();
 }
 
 // ----------------------------------------------------------------------------
@@ -128,32 +128,32 @@
 
 static void android_view_GLES20Renderer_translate(JNIEnv* env, jobject canvas,
         OpenGLRenderer* renderer, jfloat dx, jfloat dy) {
-	renderer->translate(dx, dy);
+    renderer->translate(dx, dy);
 }
 
 static void android_view_GLES20Renderer_rotate(JNIEnv* env, jobject canvas,
         OpenGLRenderer* renderer, jfloat degrees) {
-	renderer->rotate(degrees);
+    renderer->rotate(degrees);
 }
 
 static void android_view_GLES20Renderer_scale(JNIEnv* env, jobject canvas,
         OpenGLRenderer* renderer, jfloat sx, jfloat sy) {
-	renderer->scale(sx, sy);
+    renderer->scale(sx, sy);
 }
 
 static void android_view_GLES20Renderer_setMatrix(JNIEnv* env, jobject canvas,
         OpenGLRenderer* renderer, SkMatrix* matrix) {
-	renderer->setMatrix(matrix);
+    renderer->setMatrix(matrix);
 }
 
 static void android_view_GLES20Renderer_getMatrix(JNIEnv* env, jobject canvas,
         OpenGLRenderer* renderer, SkMatrix* matrix) {
-	renderer->getMatrix(matrix);
+    renderer->getMatrix(matrix);
 }
 
 static void android_view_GLES20Renderer_concatMatrix(JNIEnv* env, jobject canvas,
         OpenGLRenderer* renderer, SkMatrix* matrix) {
-	renderer->concatMatrix(matrix);
+    renderer->concatMatrix(matrix);
 }
 
 // ----------------------------------------------------------------------------
@@ -217,8 +217,8 @@
         LOG_FATAL_IF(! var, "Unable to find method " methodName);
 
 int register_android_view_GLES20Canvas(JNIEnv* env) {
-	FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect");
-	GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V");
+    FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect");
+    GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V");
 
     return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
 }
diff --git a/libs/hwui/Matrix.cpp b/libs/hwui/Matrix.cpp
index 59b7fef..c772f00 100644
--- a/libs/hwui/Matrix.cpp
+++ b/libs/hwui/Matrix.cpp
@@ -30,118 +30,118 @@
 namespace uirenderer {
 
 void Matrix4::loadIdentity() {
-	data[0]  = 1.0f;
-	data[1]  = 0.0f;
-	data[2]  = 0.0f;
-	data[3]  = 0.0f;
+    data[0]  = 1.0f;
+    data[1]  = 0.0f;
+    data[2]  = 0.0f;
+    data[3]  = 0.0f;
 
-	data[4]  = 0.0f;
-	data[5]  = 1.0f;
-	data[6]  = 0.0f;
-	data[7]  = 0.0f;
+    data[4]  = 0.0f;
+    data[5]  = 1.0f;
+    data[6]  = 0.0f;
+    data[7]  = 0.0f;
 
-	data[8]  = 0.0f;
-	data[9]  = 0.0f;
-	data[10] = 1.0f;
-	data[11] = 0.0f;
+    data[8]  = 0.0f;
+    data[9]  = 0.0f;
+    data[10] = 1.0f;
+    data[11] = 0.0f;
 
-	data[12] = 0.0f;
-	data[13] = 0.0f;
-	data[14] = 0.0f;
-	data[15] = 1.0f;
+    data[12] = 0.0f;
+    data[13] = 0.0f;
+    data[14] = 0.0f;
+    data[15] = 1.0f;
 }
 
 void Matrix4::load(const float* v) {
-	memcpy(data, v, sizeof(data));
+    memcpy(data, v, sizeof(data));
 }
 
 void Matrix4::load(const Matrix4& v) {
-	memcpy(data, v.data, sizeof(data));
+    memcpy(data, v.data, sizeof(data));
 }
 
 void Matrix4::load(const SkMatrix& v) {
-	memset(data, 0, sizeof(data));
+    memset(data, 0, sizeof(data));
 
-	data[0]  = v[SkMatrix::kMScaleX];
-	data[4]  = v[SkMatrix::kMSkewX];
-	data[12] = v[SkMatrix::kMTransX];
+    data[0]  = v[SkMatrix::kMScaleX];
+    data[4]  = v[SkMatrix::kMSkewX];
+    data[12] = v[SkMatrix::kMTransX];
 
-	data[1]  = v[SkMatrix::kMSkewY];
-	data[5]  = v[SkMatrix::kMScaleY];
-	data[13] = v[SkMatrix::kMTransY];
+    data[1]  = v[SkMatrix::kMSkewY];
+    data[5]  = v[SkMatrix::kMScaleY];
+    data[13] = v[SkMatrix::kMTransY];
 
-	data[3]  = v[SkMatrix::kMPersp0];
-	data[7]  = v[SkMatrix::kMPersp1];
-	data[15] = v[SkMatrix::kMPersp2];
+    data[3]  = v[SkMatrix::kMPersp0];
+    data[7]  = v[SkMatrix::kMPersp1];
+    data[15] = v[SkMatrix::kMPersp2];
 
-	data[10] = 1.0f;
+    data[10] = 1.0f;
 }
 
 void Matrix4::copyTo(SkMatrix& v) const {
-	v.reset();
+    v.reset();
 
-	v.set(SkMatrix::kMScaleX, data[0]);
-	v.set(SkMatrix::kMSkewX,  data[4]);
-	v.set(SkMatrix::kMTransX, data[12]);
+    v.set(SkMatrix::kMScaleX, data[0]);
+    v.set(SkMatrix::kMSkewX,  data[4]);
+    v.set(SkMatrix::kMTransX, data[12]);
 
-	v.set(SkMatrix::kMSkewY,  data[1]);
-	v.set(SkMatrix::kMScaleY, data[5]);
-	v.set(SkMatrix::kMTransY, data[13]);
+    v.set(SkMatrix::kMSkewY,  data[1]);
+    v.set(SkMatrix::kMScaleY, data[5]);
+    v.set(SkMatrix::kMTransY, data[13]);
 
-	v.set(SkMatrix::kMPersp0, data[3]);
-	v.set(SkMatrix::kMPersp1, data[7]);
-	v.set(SkMatrix::kMPersp2, data[15]);
+    v.set(SkMatrix::kMPersp0, data[3]);
+    v.set(SkMatrix::kMPersp1, data[7]);
+    v.set(SkMatrix::kMPersp2, data[15]);
 }
 
 void Matrix4::copyTo(float* v) const {
-	memcpy(v, data, sizeof(data));
+    memcpy(v, data, sizeof(data));
 }
 
 void Matrix4::loadTranslate(float x, float y, float z) {
-	loadIdentity();
-	data[12] = x;
-	data[13] = y;
-	data[14] = z;
+    loadIdentity();
+    data[12] = x;
+    data[13] = y;
+    data[14] = z;
 }
 
 void Matrix4::loadScale(float sx, float sy, float sz) {
-	loadIdentity();
-	data[0]  = sx;
-	data[5]  = sy;
-	data[10] = sz;
+    loadIdentity();
+    data[0]  = sx;
+    data[5]  = sy;
+    data[10] = sz;
 }
 
 void Matrix4::loadRotate(float angle, float x, float y, float z) {
-	data[3]  = 0.0f;
-	data[7]  = 0.0f;
-	data[11] = 0.0f;
-	data[12] = 0.0f;
-	data[13] = 0.0f;
-	data[14] = 0.0f;
-	data[15] = 1.0f;
+    data[3]  = 0.0f;
+    data[7]  = 0.0f;
+    data[11] = 0.0f;
+    data[12] = 0.0f;
+    data[13] = 0.0f;
+    data[14] = 0.0f;
+    data[15] = 1.0f;
 
-	angle *= float(M_PI / 180.0f);
-	float c = cosf(angle);
-	float s = sinf(angle);
+    angle *= float(M_PI / 180.0f);
+    float c = cosf(angle);
+    float s = sinf(angle);
 
-	const float length = sqrtf(x * x + y * y + z * z);
-	const float nc = 1.0f - c;
-	const float xy = x * y;
-	const float yz = y * z;
-	const float zx = z * x;
-	const float xs = x * s;
-	const float ys = y * s;
-	const float zs = z * s;
+    const float length = sqrtf(x * x + y * y + z * z);
+    const float nc = 1.0f - c;
+    const float xy = x * y;
+    const float yz = y * z;
+    const float zx = z * x;
+    const float xs = x * s;
+    const float ys = y * s;
+    const float zs = z * s;
 
-	data[0]  = x * x * nc +  c;
-	data[4]  =    xy * nc - zs;
-	data[8]  =    zx * nc + ys;
-	data[1]  =    xy * nc + zs;
-	data[5]  = y * y * nc +  c;
-	data[9]  =    yz * nc - xs;
-	data[2]  =    zx * nc - ys;
-	data[6]  =    yz * nc + xs;
-	data[10] = z * z * nc +  c;
+    data[0]  = x * x * nc +  c;
+    data[4]  =    xy * nc - zs;
+    data[8]  =    zx * nc + ys;
+    data[1]  =    xy * nc + zs;
+    data[5]  = y * y * nc +  c;
+    data[9]  =    yz * nc - xs;
+    data[2]  =    zx * nc - ys;
+    data[6]  =    yz * nc + xs;
+    data[10] = z * z * nc +  c;
 }
 
 void Matrix4::loadMultiply(const Matrix4& u, const Matrix4& v) {
@@ -179,25 +179,25 @@
 #define MUL_ADD_STORE(a, b, c) a = (a) * (b) + (c)
 
 void Matrix4::mapRect(Rect& r) const {
-	const float sx = data[0];
-	const float sy = data[5];
+    const float sx = data[0];
+    const float sy = data[5];
 
-	const float tx = data[12];
-	const float ty = data[13];
+    const float tx = data[12];
+    const float ty = data[13];
 
-	MUL_ADD_STORE(r.left, sx, tx);
-	MUL_ADD_STORE(r.right, sx, tx);
-	MUL_ADD_STORE(r.top, sy, ty);
-	MUL_ADD_STORE(r.bottom, sy, ty);
+    MUL_ADD_STORE(r.left, sx, tx);
+    MUL_ADD_STORE(r.right, sx, tx);
+    MUL_ADD_STORE(r.top, sy, ty);
+    MUL_ADD_STORE(r.bottom, sy, ty);
 }
 
 void Matrix4::dump() const {
-	LOGD("Matrix4[");
-	LOGD("  %f %f %f %f", data[0], data[4], data[ 8], data[12]);
-	LOGD("  %f %f %f %f", data[1], data[5], data[ 9], data[13]);
-	LOGD("  %f %f %f %f", data[2], data[6], data[10], data[14]);
-	LOGD("  %f %f %f %f", data[3], data[7], data[11], data[15]);
-	LOGD("]");
+    LOGD("Matrix4[");
+    LOGD("  %f %f %f %f", data[0], data[4], data[ 8], data[12]);
+    LOGD("  %f %f %f %f", data[1], data[5], data[ 9], data[13]);
+    LOGD("  %f %f %f %f", data[2], data[6], data[10], data[14]);
+    LOGD("  %f %f %f %f", data[3], data[7], data[11], data[15]);
+    LOGD("]");
 }
 
 }; // namespace uirenderer
diff --git a/libs/hwui/Matrix.h b/libs/hwui/Matrix.h
index 8fa5e4d..fa9638b 100644
--- a/libs/hwui/Matrix.h
+++ b/libs/hwui/Matrix.h
@@ -30,67 +30,67 @@
 
 class Matrix4 {
 public:
-	float data[16];
+    float data[16];
 
-	Matrix4() {
-		loadIdentity();
-	}
+    Matrix4() {
+        loadIdentity();
+    }
 
-	Matrix4(const float* v) {
-		load(v);
-	}
+    Matrix4(const float* v) {
+        load(v);
+    }
 
-	Matrix4(const Matrix4& v) {
-		load(v);
-	}
+    Matrix4(const Matrix4& v) {
+        load(v);
+    }
 
-	Matrix4(const SkMatrix& v) {
-		load(v);
-	}
+    Matrix4(const SkMatrix& v) {
+        load(v);
+    }
 
-	void loadIdentity();
+    void loadIdentity();
 
-	void load(const float* v);
-	void load(const Matrix4& v);
-	void load(const SkMatrix& v);
+    void load(const float* v);
+    void load(const Matrix4& v);
+    void load(const SkMatrix& v);
 
-	void loadTranslate(float x, float y, float z);
-	void loadScale(float sx, float sy, float sz);
-	void loadRotate(float angle, float x, float y, float z);
-	void loadMultiply(const Matrix4& u, const Matrix4& v);
+    void loadTranslate(float x, float y, float z);
+    void loadScale(float sx, float sy, float sz);
+    void loadRotate(float angle, float x, float y, float z);
+    void loadMultiply(const Matrix4& u, const Matrix4& v);
 
-	void loadOrtho(float left, float right, float bottom, float top, float near, float far);
+    void loadOrtho(float left, float right, float bottom, float top, float near, float far);
 
-	void multiply(const Matrix4& v) {
-		Matrix4 u;
-		u.loadMultiply(*this, v);
-		load(u);
-	}
+    void multiply(const Matrix4& v) {
+        Matrix4 u;
+        u.loadMultiply(*this, v);
+        load(u);
+    }
 
-	void translate(float x, float y, float z) {
-		Matrix4 u;
-		u.loadTranslate(x, y, z);
-		multiply(u);
-	}
+    void translate(float x, float y, float z) {
+        Matrix4 u;
+        u.loadTranslate(x, y, z);
+        multiply(u);
+    }
 
-	void scale(float sx, float sy, float sz) {
-		Matrix4 u;
-		u.loadScale(sx, sy, sz);
-		multiply(u);
-	}
+    void scale(float sx, float sy, float sz) {
+        Matrix4 u;
+        u.loadScale(sx, sy, sz);
+        multiply(u);
+    }
 
-	void rotate(float angle, float x, float y, float z) {
-		Matrix4 u;
-		u.loadRotate(angle, x, y, z);
-		multiply(u);
-	}
+    void rotate(float angle, float x, float y, float z) {
+        Matrix4 u;
+        u.loadRotate(angle, x, y, z);
+        multiply(u);
+    }
 
-	void copyTo(float* v) const;
-	void copyTo(SkMatrix& v) const;
+    void copyTo(float* v) const;
+    void copyTo(SkMatrix& v) const;
 
-	void mapRect(Rect& r) const;
+    void mapRect(Rect& r) const;
 
-	void dump() const;
+    void dump() const;
 
 private:
     inline float get(int i, int j) const {
@@ -98,7 +98,7 @@
     }
 
     inline void set(int i, int j, float v) {
-    	data[i * 4 + j] = v;
+        data[i * 4 + j] = v;
     }
 }; // class Matrix4
 
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index 2ebd7cd..830e0c3 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -47,10 +47,10 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 const SimpleVertex gDrawColorVertices[] = {
-		V(0.0f, 0.0f),
-		V(1.0f, 0.0f),
-		V(0.0f, 1.0f),
-		V(1.0f, 1.0f)
+        V(0.0f, 0.0f),
+        V(1.0f, 0.0f),
+        V(0.0f, 1.0f),
+        V(1.0f, 1.0f)
 };
 const GLsizei gDrawColorVertexStride = sizeof(SimpleVertex);
 const GLsizei gDrawColorVertexCount = 4;
@@ -65,93 +65,93 @@
 #include "shaders/drawColor.frag"
 
 Program::Program(const char* vertex, const char* fragment) {
-	vertexShader = buildShader(vertex, GL_VERTEX_SHADER);
-	fragmentShader = buildShader(fragment, GL_FRAGMENT_SHADER);
+    vertexShader = buildShader(vertex, GL_VERTEX_SHADER);
+    fragmentShader = buildShader(fragment, GL_FRAGMENT_SHADER);
 
-	id = glCreateProgram();
-	glAttachShader(id, vertexShader);
-	glAttachShader(id, fragmentShader);
-	glLinkProgram(id);
+    id = glCreateProgram();
+    glAttachShader(id, vertexShader);
+    glAttachShader(id, fragmentShader);
+    glLinkProgram(id);
 
-	GLint status;
-	glGetProgramiv(id, GL_LINK_STATUS, &status);
-	if (status != GL_TRUE) {
-		GLint infoLen = 0;
-		glGetProgramiv(id, GL_INFO_LOG_LENGTH, &infoLen);
-		if (infoLen > 1) {
-			char* log = (char*) malloc(sizeof(char) * infoLen);
-			glGetProgramInfoLog(id, infoLen, 0, log);
-			LOGE("Error while linking shaders: %s", log);
-			delete log;
-		}
-		glDeleteProgram(id);
-	}
+    GLint status;
+    glGetProgramiv(id, GL_LINK_STATUS, &status);
+    if (status != GL_TRUE) {
+        GLint infoLen = 0;
+        glGetProgramiv(id, GL_INFO_LOG_LENGTH, &infoLen);
+        if (infoLen > 1) {
+            char* log = (char*) malloc(sizeof(char) * infoLen);
+            glGetProgramInfoLog(id, infoLen, 0, log);
+            LOGE("Error while linking shaders: %s", log);
+            delete log;
+        }
+        glDeleteProgram(id);
+    }
 }
 
 Program::~Program() {
-	glDeleteShader(vertexShader);
-	glDeleteShader(fragmentShader);
-	glDeleteProgram(id);
+    glDeleteShader(vertexShader);
+    glDeleteShader(fragmentShader);
+    glDeleteProgram(id);
 }
 
 void Program::use() {
-	glUseProgram(id);
+    glUseProgram(id);
 }
 
 int Program::addAttrib(const char* name) {
-	int slot = glGetAttribLocation(id, name);
-	attributes.add(name, slot);
-	return slot;
+    int slot = glGetAttribLocation(id, name);
+    attributes.add(name, slot);
+    return slot;
 }
 
 int Program::getAttrib(const char* name) {
-	return attributes.valueFor(name);
+    return attributes.valueFor(name);
 }
 
 int Program::addUniform(const char* name) {
-	int slot = glGetUniformLocation(id, name);
-	uniforms.add(name, slot);
-	return slot;
+    int slot = glGetUniformLocation(id, name);
+    uniforms.add(name, slot);
+    return slot;
 }
 
 int Program::getUniform(const char* name) {
-	return uniforms.valueFor(name);
+    return uniforms.valueFor(name);
 }
 
 GLuint Program::buildShader(const char* source, GLenum type) {
-	GLuint shader = glCreateShader(type);
-	glShaderSource(shader, 1, &source, 0);
-	glCompileShader(shader);
+    GLuint shader = glCreateShader(type);
+    glShaderSource(shader, 1, &source, 0);
+    glCompileShader(shader);
 
-	GLint status;
-	glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
-	if (status != GL_TRUE) {
-		// Some drivers return wrong values for GL_INFO_LOG_LENGTH
-		// use a fixed size instead
-		GLchar log[512];
-		glGetShaderInfoLog(shader, sizeof(log), 0, &log[0]);
-		LOGE("Error while compiling shader: %s", log);
-		glDeleteShader(shader);
-	}
+    GLint status;
+    glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
+    if (status != GL_TRUE) {
+        // Some drivers return wrong values for GL_INFO_LOG_LENGTH
+        // use a fixed size instead
+        GLchar log[512];
+        glGetShaderInfoLog(shader, sizeof(log), 0, &log[0]);
+        LOGE("Error while compiling shader: %s", log);
+        glDeleteShader(shader);
+    }
 
-	return shader;
+    return shader;
 }
 
 DrawColorProgram::DrawColorProgram():
-		Program(gDrawColorVertexShader, gDrawColorFragmentShader) {
-	position = addAttrib("position");
-	color = addAttrib("color");
-	projection = addUniform("projection");
-	modelView = addUniform("modelView");
-	transform = addUniform("transform");
+        Program(gDrawColorVertexShader, gDrawColorFragmentShader) {
+    position = addAttrib("position");
+    color = addAttrib("color");
+    projection = addUniform("projection");
+    modelView = addUniform("modelView");
+    transform = addUniform("transform");
 }
 
 void DrawColorProgram::use(const GLfloat* projectionMatrix, const GLfloat* modelViewMatrix,
         const GLfloat* transformMatrix) {
-	Program::use();
-	glUniformMatrix4fv(projection, 1, GL_FALSE, projectionMatrix);
-	glUniformMatrix4fv(modelView, 1, GL_FALSE, modelViewMatrix);
-	glUniformMatrix4fv(transform, 1, GL_FALSE, transformMatrix);
+    Program::use();
+    glUniformMatrix4fv(projection, 1, GL_FALSE, projectionMatrix);
+    glUniformMatrix4fv(modelView, 1, GL_FALSE, modelViewMatrix);
+    glUniformMatrix4fv(transform, 1, GL_FALSE, transformMatrix);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -159,12 +159,12 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 const Rect& Snapshot::getMappedClip() {
-	if (flags & kFlagDirtyTransform) {
-		flags &= ~kFlagDirtyTransform;
-		mappedClip.set(clipRect);
-		transform.mapRect(mappedClip);
-	}
-	return mappedClip;
+    if (flags & kFlagDirtyTransform) {
+        flags &= ~kFlagDirtyTransform;
+        mappedClip.set(clipRect);
+        transform.mapRect(mappedClip);
+    }
+    return mappedClip;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -197,8 +197,8 @@
 }
 
 void OpenGLRenderer::prepare() {
-	mSnapshot = &mFirstSnapshot;
-	mSaveCount = 0;
+    mSnapshot = &mFirstSnapshot;
+    mSaveCount = 0;
 
     glDisable(GL_SCISSOR_TEST);
 
@@ -216,50 +216,50 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 int OpenGLRenderer::getSaveCount() const {
-	return mSaveCount;
+    return mSaveCount;
 }
 
 int OpenGLRenderer::save(int flags) {
-	return saveSnapshot();
+    return saveSnapshot();
 }
 
 void OpenGLRenderer::restore() {
-	if (mSaveCount == 0) return;
+    if (mSaveCount == 0) return;
 
-	if (restoreSnapshot()) {
-		setScissorFromClip();
-	}
+    if (restoreSnapshot()) {
+        setScissorFromClip();
+    }
 }
 
 void OpenGLRenderer::restoreToCount(int saveCount) {
-	if (saveCount <= 0 || saveCount > mSaveCount) return;
+    if (saveCount <= 0 || saveCount > mSaveCount) return;
 
-	bool restoreClip = false;
+    bool restoreClip = false;
 
-	while (mSaveCount != saveCount - 1) {
-		restoreClip |= restoreSnapshot();
-	}
+    while (mSaveCount != saveCount - 1) {
+        restoreClip |= restoreSnapshot();
+    }
 
-	if (restoreClip) {
-		setScissorFromClip();
-	}
+    if (restoreClip) {
+        setScissorFromClip();
+    }
 }
 
 int OpenGLRenderer::saveSnapshot() {
-	mSnapshot = new Snapshot(mSnapshot);
-	return ++mSaveCount;
+    mSnapshot = new Snapshot(mSnapshot);
+    return ++mSaveCount;
 }
 
 bool OpenGLRenderer::restoreSnapshot() {
-	bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet;
+    bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet;
 
-	mSaveCount--;
+    mSaveCount--;
 
-	// Do not merge these two lines!
-	sp<Snapshot> previous = mSnapshot->previous;
-	mSnapshot = previous;
+    // Do not merge these two lines!
+    sp<Snapshot> previous = mSnapshot->previous;
+    mSnapshot = previous;
 
-	return restoreClip;
+    return restoreClip;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -267,33 +267,33 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 void OpenGLRenderer::translate(float dx, float dy) {
-	mSnapshot->transform.translate(dx, dy, 0.0f);
-	mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
+    mSnapshot->transform.translate(dx, dy, 0.0f);
+    mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
 }
 
 void OpenGLRenderer::rotate(float degrees) {
-	mSnapshot->transform.rotate(degrees, 0.0f, 0.0f, 1.0f);
-	mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
+    mSnapshot->transform.rotate(degrees, 0.0f, 0.0f, 1.0f);
+    mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
 }
 
 void OpenGLRenderer::scale(float sx, float sy) {
-	mSnapshot->transform.scale(sx, sy, 1.0f);
-	mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
+    mSnapshot->transform.scale(sx, sy, 1.0f);
+    mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
 }
 
 void OpenGLRenderer::setMatrix(SkMatrix* matrix) {
-	mSnapshot->transform.load(*matrix);
-	mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
+    mSnapshot->transform.load(*matrix);
+    mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
 }
 
 void OpenGLRenderer::getMatrix(SkMatrix* matrix) {
-	mSnapshot->transform.copyTo(*matrix);
+    mSnapshot->transform.copyTo(*matrix);
 }
 
 void OpenGLRenderer::concatMatrix(SkMatrix* matrix) {
-	mat4 m(*matrix);
-	mSnapshot->transform.multiply(m);
-	mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
+    mat4 m(*matrix);
+    mSnapshot->transform.multiply(m);
+    mSnapshot->flags |= Snapshot::kFlagDirtyTransform;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -301,12 +301,12 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 void OpenGLRenderer::setScissorFromClip() {
-	const Rect& clip = mSnapshot->getMappedClip();
-	glScissor(clip.left, mHeight - clip.bottom, clip.getWidth(), clip.getHeight());
+    const Rect& clip = mSnapshot->getMappedClip();
+    glScissor(clip.left, mHeight - clip.bottom, clip.getWidth(), clip.getHeight());
 }
 
 const Rect& OpenGLRenderer::getClipBounds() {
-	return mSnapshot->clipRect;
+    return mSnapshot->clipRect;
 }
 
 bool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) {
@@ -328,12 +328,12 @@
 }
 
 bool OpenGLRenderer::clipRect(float left, float top, float right, float bottom) {
-	bool clipped = mSnapshot->clipRect.intersect(left, top, right, bottom);
-	if (clipped) {
-		mSnapshot->flags |= Snapshot::kFlagClipSet;
-		setScissorFromClip();
-	}
-	return clipped;
+    bool clipped = mSnapshot->clipRect.intersect(left, top, right, bottom);
+    if (clipped) {
+        mSnapshot->flags |= Snapshot::kFlagClipSet;
+        setScissorFromClip();
+    }
+    return clipped;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h
index bef4193..6f6b997 100644
--- a/libs/hwui/OpenGLRenderer.h
+++ b/libs/hwui/OpenGLRenderer.h
@@ -38,88 +38,88 @@
 
 class Snapshot: public LightRefBase<Snapshot> {
 public:
-	Snapshot() {
-	}
+    Snapshot() {
+    }
 
-	Snapshot(const sp<Snapshot> s):
-			transform(s->transform),
-			clipRect(s->clipRect),
-			flags(kFlagDirtyTransform),
-			previous(s) {
-	}
+    Snapshot(const sp<Snapshot> s):
+            transform(s->transform),
+            clipRect(s->clipRect),
+            flags(kFlagDirtyTransform),
+            previous(s) {
+    }
 
-	enum Flags {
-		kFlagClipSet = 0x1,
-		kFlagDirtyTransform = 0x2,
-	};
+    enum Flags {
+        kFlagClipSet = 0x1,
+        kFlagDirtyTransform = 0x2,
+    };
 
-	const Rect& getMappedClip();
+    const Rect& getMappedClip();
 
-	// Local transformations
-	mat4 transform;
+    // Local transformations
+    mat4 transform;
 
-	// Clipping rectangle at the time of this snapshot
-	Rect clipRect;
+    // Clipping rectangle at the time of this snapshot
+    Rect clipRect;
 
-	// Dirty flags
-	int flags;
+    // Dirty flags
+    int flags;
 
-	// Previous snapshot in the frames stack
-	sp<Snapshot> previous;
+    // Previous snapshot in the frames stack
+    sp<Snapshot> previous;
 
 private:
-	// Clipping rectangle mapped with the transform
-	Rect mappedClip;
+    // Clipping rectangle mapped with the transform
+    Rect mappedClip;
 }; // class Snapshot
 
 struct SimpleVertex {
-	float position[2];
+    float position[2];
 }; // struct SimpleVertex
 
 typedef char* shader;
 
 class Program: public LightRefBase<Program> {
 public:
-	Program(const char* vertex, const char* fragment);
-	~Program();
+    Program(const char* vertex, const char* fragment);
+    ~Program();
 
-	void use();
+    void use();
 
 protected:
-	int addAttrib(const char* name);
-	int getAttrib(const char* name);
+    int addAttrib(const char* name);
+    int getAttrib(const char* name);
 
-	int addUniform(const char* name);
-	int getUniform(const char* name);
+    int addUniform(const char* name);
+    int getUniform(const char* name);
 
 private:
-	GLuint buildShader(const char* source, GLenum type);
+    GLuint buildShader(const char* source, GLenum type);
 
-	// Handle of the OpenGL program
-	GLuint id;
+    // Handle of the OpenGL program
+    GLuint id;
 
-	// Handles of the shaders
-	GLuint vertexShader;
-	GLuint fragmentShader;
+    // Handles of the shaders
+    GLuint vertexShader;
+    GLuint fragmentShader;
 
-	// Keeps track of attributes and uniforms slots
-	KeyedVector<const char*, int> attributes;
-	KeyedVector<const char*, int> uniforms;
+    // Keeps track of attributes and uniforms slots
+    KeyedVector<const char*, int> attributes;
+    KeyedVector<const char*, int> uniforms;
 }; // class Program
 
 class DrawColorProgram: public Program {
 public:
-	DrawColorProgram();
+    DrawColorProgram();
 
-	void use(const GLfloat* projectionMatrix, const GLfloat* modelViewMatrix,
-	         const GLfloat* transformMatrix);
+    void use(const GLfloat* projectionMatrix, const GLfloat* modelViewMatrix,
+             const GLfloat* transformMatrix);
 
-	int position;
-	int color;
+    int position;
+    int color;
 
-	int projection;
-	int modelView;
-	int transform;
+    int projection;
+    int modelView;
+    int transform;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/libs/hwui/Rect.h b/libs/hwui/Rect.h
index fcf11e9..b382dc3 100644
--- a/libs/hwui/Rect.h
+++ b/libs/hwui/Rect.h
@@ -25,111 +25,111 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 struct Rect {
-	float left;
-	float top;
-	float right;
-	float bottom;
+    float left;
+    float top;
+    float right;
+    float bottom;
 
-	Rect():
-			left(0),
-			top(0),
-			right(0),
-			bottom(0) {
-	}
+    Rect():
+            left(0),
+            top(0),
+            right(0),
+            bottom(0) {
+    }
 
-	Rect(float left, float top, float right, float bottom):
-			left(left),
-			top(top),
-			right(right),
-			bottom(bottom) {
-	}
+    Rect(float left, float top, float right, float bottom):
+            left(left),
+            top(top),
+            right(right),
+            bottom(bottom) {
+    }
 
-	Rect(const Rect& r) {
-		set(r);
-	}
+    Rect(const Rect& r) {
+        set(r);
+    }
 
-	Rect(Rect& r) {
-		set(r);
-	}
+    Rect(Rect& r) {
+        set(r);
+    }
 
-	Rect& operator=(const Rect& r) {
-		set(r);
-		return *this;
-	}
+    Rect& operator=(const Rect& r) {
+        set(r);
+        return *this;
+    }
 
-	Rect& operator=(Rect& r) {
-		set(r);
-		return *this;
-	}
+    Rect& operator=(Rect& r) {
+        set(r);
+        return *this;
+    }
 
-	friend int operator==(const Rect& a, const Rect& b) {
-		return !memcmp(&a, &b, sizeof(a));
-	}
+    friend int operator==(const Rect& a, const Rect& b) {
+        return !memcmp(&a, &b, sizeof(a));
+    }
 
-	friend int operator!=(const Rect& a, const Rect& b) {
-		return memcmp(&a, &b, sizeof(a));
-	}
+    friend int operator!=(const Rect& a, const Rect& b) {
+        return memcmp(&a, &b, sizeof(a));
+    }
 
-	bool isEmpty() const {
-		return left >= right || top >= bottom;
-	}
+    bool isEmpty() const {
+        return left >= right || top >= bottom;
+    }
 
-	void setEmpty() {
-		memset(this, 0, sizeof(*this));
-	}
+    void setEmpty() {
+        memset(this, 0, sizeof(*this));
+    }
 
-	void set(float left, float top, float right, float bottom) {
-		this->left = left;
-		this->right = right;
-		this->top = top;
-		this->bottom = bottom;
-	}
+    void set(float left, float top, float right, float bottom) {
+        this->left = left;
+        this->right = right;
+        this->top = top;
+        this->bottom = bottom;
+    }
 
-	void set(const Rect& r) {
-		set(r.left, r.top, r.right, r.bottom);
-	}
+    void set(const Rect& r) {
+        set(r.left, r.top, r.right, r.bottom);
+    }
 
-	float getWidth() const {
-		return right - left;
-	}
+    float getWidth() const {
+        return right - left;
+    }
 
-	float getHeight() const {
-		return bottom - top;
-	}
+    float getHeight() const {
+        return bottom - top;
+    }
 
-	bool intersects(float left, float top, float right, float bottom) const {
-		return left < right && top < bottom &&
-				this->left < this->right && this->top < this->bottom &&
-			    this->left < right && left < this->right &&
-			    this->top < bottom && top < this->bottom;
-	}
+    bool intersects(float left, float top, float right, float bottom) const {
+        return left < right && top < bottom &&
+                this->left < this->right && this->top < this->bottom &&
+                this->left < right && left < this->right &&
+                this->top < bottom && top < this->bottom;
+    }
 
-	bool intersects(const Rect& r) const {
-		return intersects(r.left, r.top, r.right, r.bottom);
-	}
+    bool intersects(const Rect& r) const {
+        return intersects(r.left, r.top, r.right, r.bottom);
+    }
 
-	bool intersect(float left, float top, float right, float bottom) {
-		if (left < right && top < bottom && !this->isEmpty() &&
-		        this->left < right && left < this->right &&
-		        this->top < bottom && top < this->bottom) {
+    bool intersect(float left, float top, float right, float bottom) {
+        if (left < right && top < bottom && !this->isEmpty() &&
+                this->left < right && left < this->right &&
+                this->top < bottom && top < this->bottom) {
 
-			if (this->left < left) this->left = left;
-			if (this->top < top) this->top = top;
-			if (this->right > right) this->right = right;
-			if (this->bottom > bottom) this->bottom = bottom;
+            if (this->left < left) this->left = left;
+            if (this->top < top) this->top = top;
+            if (this->right > right) this->right = right;
+            if (this->bottom > bottom) this->bottom = bottom;
 
-			return true;
-		}
-		return false;
-	}
+            return true;
+        }
+        return false;
+    }
 
-	bool intersect(const Rect& r) {
-		return intersect(r.left, r.top, r.right, r.bottom);
-	}
+    bool intersect(const Rect& r) {
+        return intersect(r.left, r.top, r.right, r.bottom);
+    }
 
-	void dump() const {
-		LOGD("Rect[l=%f t=%f r=%f b=%f]", left, top, right, bottom);
-	}
+    void dump() const {
+        LOGD("Rect[l=%f t=%f r=%f b=%f]", left, top, right, bottom);
+    }
 
 }; // struct Rect
 
diff --git a/libs/hwui/shaders/drawColor.vert b/libs/hwui/shaders/drawColor.vert
index 4b7f883..cef6e49 100644
--- a/libs/hwui/shaders/drawColor.vert
+++ b/libs/hwui/shaders/drawColor.vert
@@ -10,8 +10,8 @@
 varying vec4 outColor;
 
 void main(void) {
-	outColor = color;
-	gl_Position = projection * transform * modelView * position;
+    outColor = color;
+    gl_Position = projection * transform * modelView * position;
 }
 
 );