gfx/angle/src/libANGLE/queryconversions.h
author Morris Tseng <mtseng@mozilla.com>
Thu, 08 Sep 2016 16:28:30 +0800
changeset 354509 53735145cfbeede7164416318becd8e33dca53c9
parent 354250 c5ed16e1dbc645100a0245a82d83995d52207f41
child 356558 542efbbffdd313115db6ec60f9a7e691cb4f7f15
permissions -rwxr-xr-x
Bug 1297924 - Update ANGLE to chromium/2845. r=jgilbert MozReview-Commit-ID: 2H0PBFFgmDp

//
// Copyright (c) 2014 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.
//

// queryconversions.h: Declaration of state query cast conversions

#ifndef LIBANGLE_QUERY_CONVERSIONS_H_
#define LIBANGLE_QUERY_CONVERSIONS_H_

#include "angle_gl.h"
#include "common/angleutils.h"

namespace gl
{
class Context;

// Helper class for converting a GL type to a GLenum:
// We can't use CastStateValueEnum generally, because of GLboolean + GLubyte overlap.
// We restrict our use to CastStateValue, where it eliminates duplicate parameters.

template <typename GLType>
struct GLTypeToGLenum
{
    static GLenum value;
};

// The GL state query API types are: bool, int, uint, float, int64
template <typename QueryT>
void CastStateValues(Context *context, GLenum nativeType, GLenum pname,
                     unsigned int numParams, QueryT *outParams);

// The GL state query API types are: bool, int, uint, float, int64
template <typename QueryT>
void CastIndexedStateValues(Context *context,
                            GLenum nativeType,
                            GLenum pname,
                            GLuint index,
                            unsigned int numParams,
                            QueryT *outParams);
}

#endif  // LIBANGLE_QUERY_CONVERSIONS_H_