//
// Copyright (c) 2002-2014 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.
//

#include "compiler/translator/Initialize.h"

namespace sh
{

void InitExtensionBehavior(const ShBuiltInResources &resources, TExtensionBehavior &extBehavior)
{
    if (resources.OES_standard_derivatives)
    {
        extBehavior[TExtension::OES_standard_derivatives] = EBhUndefined;
    }
    if (resources.OES_EGL_image_external)
    {
        extBehavior[TExtension::OES_EGL_image_external] = EBhUndefined;
    }
    if (resources.OES_EGL_image_external_essl3)
    {
        extBehavior[TExtension::OES_EGL_image_external_essl3] = EBhUndefined;
    }
    if (resources.NV_EGL_stream_consumer_external)
    {
        extBehavior[TExtension::NV_EGL_stream_consumer_external] = EBhUndefined;
    }
    if (resources.ARB_texture_rectangle)
    {
        // Special: ARB_texture_rectangle extension does not follow the standard for #extension
        // directives - it is enabled by default. An extension directive may still disable it.
        extBehavior[TExtension::ARB_texture_rectangle] = EBhEnable;
    }
    if (resources.EXT_blend_func_extended)
    {
        extBehavior[TExtension::EXT_blend_func_extended] = EBhUndefined;
    }
    if (resources.EXT_draw_buffers)
    {
        extBehavior[TExtension::EXT_draw_buffers] = EBhUndefined;
    }
    if (resources.EXT_frag_depth)
    {
        extBehavior[TExtension::EXT_frag_depth] = EBhUndefined;
    }
    if (resources.EXT_shader_texture_lod)
    {
        extBehavior[TExtension::EXT_shader_texture_lod] = EBhUndefined;
    }
    if (resources.EXT_shader_framebuffer_fetch)
    {
        extBehavior[TExtension::EXT_shader_framebuffer_fetch] = EBhUndefined;
    }
    if (resources.NV_shader_framebuffer_fetch)
    {
        extBehavior[TExtension::NV_shader_framebuffer_fetch] = EBhUndefined;
    }
    if (resources.ARM_shader_framebuffer_fetch)
    {
        extBehavior[TExtension::ARM_shader_framebuffer_fetch] = EBhUndefined;
    }
    if (resources.OVR_multiview)
    {
        extBehavior[TExtension::OVR_multiview] = EBhUndefined;
    }
    if (resources.EXT_YUV_target)
    {
        extBehavior[TExtension::EXT_YUV_target] = EBhUndefined;
    }
    if (resources.EXT_geometry_shader)
    {
        extBehavior[TExtension::EXT_geometry_shader] = EBhUndefined;
    }
}

void ResetExtensionBehavior(TExtensionBehavior &extBehavior)
{
    for (auto &ext : extBehavior)
    {
        if (ext.first == TExtension::ARB_texture_rectangle)
        {
            ext.second = EBhEnable;
        }
        else
        {
            ext.second = EBhUndefined;
        }
    }
}

}  // namespace sh
