Support CHROMIUM_path_rendering
This is partial support for CHROMIUM_path_rendering
and implements basic path management and non-instanced
rendering.
BUG=angleproject:1382
Change-Id: I9c0e88183e0a915d522889323933439d25b45b5f
Reviewed-on: https://chromium-review.googlesource.com/348630
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
diff --git a/src/libANGLE/Path.cpp b/src/libANGLE/Path.cpp
new file mode 100644
index 0000000..e0c45db
--- /dev/null
+++ b/src/libANGLE/Path.cpp
@@ -0,0 +1,78 @@
+//
+// Copyright (c) 2002-2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Path.h: Defines the gl::Path class, representing CHROMIUM_path_rendering
+// path object.
+
+#include "libANGLE/Path.h"
+#include "libANGLE/renderer/PathImpl.h"
+
+#include "common/mathutil.h"
+#include "common/debug.h"
+
+namespace gl
+{
+
+Path::Path(rx::PathImpl *impl)
+ : mPath(impl),
+ mHasData(false),
+ mEndCaps(GL_FLAT_CHROMIUM),
+ mJoinStyle(GL_MITER_REVERT_CHROMIUM),
+ mStrokeWidth(1.0f),
+ mStrokeBound(0.2f),
+ mMiterLimit(4.0f)
+{
+}
+
+Path::~Path()
+{
+ delete mPath;
+}
+
+Error Path::setCommands(GLsizei numCommands,
+ const GLubyte *commands,
+ GLsizei numCoords,
+ GLenum coordType,
+ const void *coords)
+{
+ ANGLE_TRY(mPath->setCommands(numCommands, commands, numCoords, coordType, coords));
+
+ mHasData = true;
+
+ return gl::NoError();
+}
+
+void Path::setStrokeWidth(GLfloat width)
+{
+ mStrokeWidth = width;
+ mPath->setPathParameter(GL_PATH_STROKE_WIDTH_CHROMIUM, mStrokeWidth);
+}
+
+void Path::setStrokeBound(GLfloat bound)
+{
+ mStrokeBound = clamp(bound, 0.0f, 1.0f);
+ mPath->setPathParameter(GL_PATH_STROKE_BOUND_CHROMIUM, mStrokeBound);
+}
+
+void Path::setEndCaps(GLenum type)
+{
+ mEndCaps = type;
+ mPath->setPathParameter(GL_PATH_END_CAPS_CHROMIUM, static_cast<GLfloat>(type));
+}
+
+void Path::setJoinStyle(GLenum type)
+{
+ mJoinStyle = type;
+ mPath->setPathParameter(GL_PATH_JOIN_STYLE_CHROMIUM, static_cast<GLfloat>(type));
+}
+
+void Path::setMiterLimit(GLfloat value)
+{
+ mMiterLimit = value;
+ mPath->setPathParameter(GL_PATH_MITER_LIMIT_CHROMIUM, value);
+}
+
+} // gl