cl_utils.cpp

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Author : John Plate
Date : 2021-05-23 19:02:46
Hash : a6210a8f
Message : CL: image object creation for front end and pass-through Add image object to front end and implement creation and info query. Cache more Device info for Image validation. Bug: angleproject:5956 Change-Id: I38374f4c2c85287109c464ac90eb1bf49b07fa0a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2912805 Commit-Queue: John Plate <jplate@google.com> Reviewed-by: Cody Northrop <cnorthrop@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/cl_utils.cpp

//
// Copyright 2021 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.
//
// cl_utils.cpp: Helper functions for the CL front end

#include <libANGLE/cl_utils.h>

namespace cl
{

size_t GetChannelCount(cl_channel_order channelOrder)
{
    size_t count = 0u;
    switch (channelOrder)
    {
        case CL_R:
        case CL_A:
        case CL_LUMINANCE:
        case CL_INTENSITY:
        case CL_DEPTH:
            count = 1u;
            break;
        case CL_RG:
        case CL_RA:
        case CL_Rx:
            count = 2u;
            break;
        case CL_RGB:
        case CL_RGx:
        case CL_sRGB:
            count = 3u;
            break;
        case CL_RGBA:
        case CL_ARGB:
        case CL_BGRA:
        case CL_ABGR:
        case CL_RGBx:
        case CL_sRGBA:
        case CL_sBGRA:
        case CL_sRGBx:
            count = 4u;
            break;
        default:
            break;
    }
    return count;
}

size_t GetElementSize(const cl_image_format &image_format)
{
    size_t size = 0u;
    switch (image_format.image_channel_data_type)
    {
        case CL_SNORM_INT8:
        case CL_UNORM_INT8:
        case CL_SIGNED_INT8:
        case CL_UNSIGNED_INT8:
            size = GetChannelCount(image_format.image_channel_order);
            break;
        case CL_SNORM_INT16:
        case CL_UNORM_INT16:
        case CL_SIGNED_INT16:
        case CL_UNSIGNED_INT16:
        case CL_HALF_FLOAT:
            size = 2u * GetChannelCount(image_format.image_channel_order);
            break;
        case CL_SIGNED_INT32:
        case CL_UNSIGNED_INT32:
        case CL_FLOAT:
            size = 4u * GetChannelCount(image_format.image_channel_order);
            break;
        case CL_UNORM_SHORT_565:
        case CL_UNORM_SHORT_555:
            size = 2u;
            break;
        case CL_UNORM_INT_101010:
        case CL_UNORM_INT_101010_2:
            size = 4u;
            break;
        default:
            break;
    }
    return size;
}

}  // namespace cl

kc3-lang/angle/src/libANGLE/cl_utils.cpp

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kc3-lang/angle /src/libANGLE/cl_utils.cpp