/*-------------------------------------------------------------------------
 * drawElements Quality Program EGL Utilities
 * ------------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief EGL String Utilities.
 *//*--------------------------------------------------------------------*/

#include "egluStrUtil.hpp"
#include "egluHeaderWrapper.hpp"

#include <EGL/eglext.h>

#if !defined(EGL_OPENGL_ES3_BIT_KHR)
#	define EGL_OPENGL_ES3_BIT_KHR	0x0040
#endif

namespace eglu
{

std::ostream& operator<< (std::ostream& str, const ConfigAttribValueFmt& attribFmt)
{
	switch (attribFmt.attribute)
	{
		case EGL_COLOR_BUFFER_TYPE:
			return str << getColorBufferTypeStr(attribFmt.value);

		case EGL_CONFIG_CAVEAT:
			return str << getConfigCaveatStr(attribFmt.value);

		case EGL_CONFORMANT:
		case EGL_RENDERABLE_TYPE:
			return str << getAPIBitsStr(attribFmt.value);

		case EGL_SURFACE_TYPE:
			return str << getSurfaceBitsStr(attribFmt.value);

		case EGL_MATCH_NATIVE_PIXMAP:
			if (attribFmt.value == EGL_NONE)
				return str << "EGL_NONE";
			else
				return str << tcu::toHex(attribFmt.value);

		case EGL_TRANSPARENT_TYPE:
			return str << getTransparentTypeStr(attribFmt.value);

		case EGL_BIND_TO_TEXTURE_RGB:
		case EGL_BIND_TO_TEXTURE_RGBA:
		case EGL_NATIVE_RENDERABLE:
			return str << getBoolDontCareStr(attribFmt.value);

		case EGL_ALPHA_MASK_SIZE:
		case EGL_ALPHA_SIZE:
		case EGL_BLUE_SIZE:
		case EGL_BUFFER_SIZE:
		case EGL_CONFIG_ID:
		case EGL_DEPTH_SIZE:
		case EGL_GREEN_SIZE:
		case EGL_LEVEL:
		case EGL_LUMINANCE_SIZE:
		case EGL_MAX_SWAP_INTERVAL:
		case EGL_MIN_SWAP_INTERVAL:
		case EGL_RED_SIZE:
		case EGL_SAMPLE_BUFFERS:
		case EGL_SAMPLES:
		case EGL_STENCIL_SIZE:
		case EGL_TRANSPARENT_RED_VALUE:
		case EGL_TRANSPARENT_GREEN_VALUE:
		case EGL_TRANSPARENT_BLUE_VALUE:
			return str << (int)attribFmt.value;

		default:
			return str << tcu::toHex(attribFmt.value);
	}
}

std::ostream& operator<< (std::ostream& str, const ContextAttribValueFmt& attribFmt)
{
	switch (attribFmt.attribute)
	{
		case EGL_CONFIG_ID:
		case EGL_CONTEXT_CLIENT_VERSION:
			return str << (int)attribFmt.value;

		case EGL_CONTEXT_CLIENT_TYPE:
			return str << getAPIStr(attribFmt.value);

		case EGL_RENDER_BUFFER:
			return str << getRenderBufferStr(attribFmt.value);

		default:
			return str << tcu::toHex(attribFmt.value);
	}
}

std::ostream& operator<< (std::ostream& str, const SurfaceAttribValueFmt& attribFmt)
{
	switch (attribFmt.attribute)
	{
		case EGL_CONFIG_ID:
		case EGL_WIDTH:
		case EGL_HEIGHT:
		case EGL_HORIZONTAL_RESOLUTION:
		case EGL_VERTICAL_RESOLUTION:
		case EGL_PIXEL_ASPECT_RATIO:
			return str << (int)attribFmt.value;

		case EGL_LARGEST_PBUFFER:
		case EGL_MIPMAP_TEXTURE:
			return str << getBoolDontCareStr(attribFmt.value);

		case EGL_MULTISAMPLE_RESOLVE:
			return str << getMultisampleResolveStr(attribFmt.value);

		case EGL_RENDER_BUFFER:
			return str << getRenderBufferStr(attribFmt.value);

		case EGL_SWAP_BEHAVIOR:
			return str << getSwapBehaviorStr(attribFmt.value);

		case EGL_TEXTURE_FORMAT:
			return str << getTextureFormatStr(attribFmt.value);

		case EGL_TEXTURE_TARGET:
			return str << getTextureTargetStr(attribFmt.value);

		case EGL_VG_ALPHA_FORMAT:
			return str << getVGAlphaFormatStr(attribFmt.value);

		case EGL_VG_COLORSPACE:
			return str << getVGColorspaceStr(attribFmt.value);

		default:
			return str << tcu::toHex(attribFmt.value);
	}
}

std::ostream& operator<< (std::ostream& str, const ConfigAttribListFmt& fmt)
{
	int pos = 0;

	str << "{ ";

	for (;;)
	{
		int attrib = fmt.attribs[pos];

		if (pos != 0)
			str << ", ";

		if (attrib == EGL_NONE)
		{
			// Terminate.
			str << "EGL_NONE";
			break;
		}

		const char*	attribName = getConfigAttribName(attrib);

		if (attribName)
		{
			// Valid attribute, print value.
			str << attribName << ", " << getConfigAttribValueStr(attrib, fmt.attribs[pos+1]);
			pos += 2;
		}
		else
		{
			// Invalid attribute. Terminate parsing.
			str << tcu::toHex(attrib) << ", ???";
			break;
		}
	}

	str << " }";
	return str;
}

std::ostream& operator<< (std::ostream& str, const SurfaceAttribListFmt& fmt)
{
	int pos = 0;

	str << "{ ";

	for (;;)
	{
		int attrib = fmt.attribs[pos];

		if (pos != 0)
			str << ", ";

		if (attrib == EGL_NONE)
		{
			// Terminate.
			str << "EGL_NONE";
			break;
		}

		const char*	attribName = getSurfaceAttribName(attrib);

		if (attribName)
		{
			// Valid attribute, print value.
			str << attribName << ", " << getSurfaceAttribValueStr(attrib, fmt.attribs[pos+1]);
			pos += 2;
		}
		else
		{
			// Invalid attribute. Terminate parsing.
			str << tcu::toHex(attrib) << ", ???";
			break;
		}
	}

	str << " }";
	return str;
}

std::ostream& operator<< (std::ostream& str, const ContextAttribListFmt& fmt)
{
	int pos = 0;

	str << "{ ";

	for (;;)
	{
		int attrib = fmt.attribs[pos];

		if (pos != 0)
			str << ", ";

		if (attrib == EGL_NONE)
		{
			// Terminate.
			str << "EGL_NONE";
			break;
		}

		const char*	attribName = getContextAttribName(attrib);

		if (attribName)
		{
			// Valid attribute, print value.
			str << attribName << ", " << getContextAttribValueStr(attrib, fmt.attribs[pos+1]);
			pos += 2;
		}
		else
		{
			// Invalid attribute. Terminate parsing.
			str << tcu::toHex(attrib) << ", ???";
			break;
		}
	}

	str << " }";
	return str;
}

#include "egluStrUtil.inl"

} // eglu