/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included

 * in all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#include "common.h"

#include "hgl.h"

#include "context.h"

static GLboolean dglIsValidBlendMode(GLenum mode)

{

	switch(mode)

	{

		case GL_FUNC_ADD:

		case GL_FUNC_SUBTRACT:

		case GL_FUNC_REVERSE_SUBTRACT:

			return GL_TRUE;

		default:

			return GL_FALSE;

	}

}

GL_APICALL_BUILD void GL_APIENTRY glBlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha)

{

	DGLES2_ENTER();

	ctx->hgl.BlendColor(red, green, blue, alpha);

	DGLES2_LEAVE();

}

GL_APICALL_BUILD void GL_APIENTRY glBlendEquation(GLenum mode)

{

	DGLES2_ENTER();

	DGLES2_ERROR_IF(!dglIsValidBlendMode(mode), GL_INVALID_ENUM);

	ctx->hgl.BlendEquation(mode);

	DGLES2_LEAVE();

}

GL_APICALL_BUILD void GL_APIENTRY glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha)

{

	DGLES2_ENTER();

	DGLES2_ERROR_IF(!dglIsValidBlendMode(modeRGB), GL_INVALID_ENUM);

	DGLES2_ERROR_IF(!dglIsValidBlendMode(modeAlpha), GL_INVALID_ENUM);

	ctx->hgl.BlendEquationSeparate(modeRGB, modeAlpha);

	DGLES2_LEAVE();

}

GL_APICALL_BUILD void GL_APIENTRY glBlendFunc(GLenum sfactor, GLenum dfactor)

{

	DGLES2_ENTER();

	ctx->hgl.BlendFunc(sfactor, dfactor);

	DGLES2_LEAVE();

}

GL_APICALL_BUILD void GL_APIENTRY glBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha)

{

	DGLES2_ENTER();

	ctx->hgl.BlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);

	DGLES2_LEAVE();

}