modules/glshared/glsInteractionTestUtil.hpp

#ifndef _GLSINTERACTIONTESTUTIL_HPP
#define _GLSINTERACTIONTESTUTIL_HPP
/*-------------------------------------------------------------------------
 * drawElements Quality Program OpenGL (ES) Module
 * -----------------------------------------------
 *
 * 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 Interaction test utilities.
 *//*--------------------------------------------------------------------*/

#include "tcuDefs.hpp"
#include "glsFragmentOpUtil.hpp"
#include "gluRenderContext.hpp"
#include "rrRenderState.hpp"

namespace de
{
class Random;
}

namespace deqp
{
namespace gls
{
namespace InteractionTestUtil
{

struct BlendState
{
	deUint32	equation;
	deUint32	srcFunc;
	deUint32	dstFunc;

	BlendState (void)
		: equation	(0)
		, srcFunc	(0)
		, dstFunc	(0)
	{
	}
};

struct StencilState
{
	deUint32	function;
	int			reference;
	deUint32	compareMask;

	deUint32	stencilFailOp;
	deUint32	depthFailOp;
	deUint32	depthPassOp;

	deUint32	writeMask;

	StencilState (void)
		: function		(0)
		, reference		(0)
		, compareMask	(0)
		, stencilFailOp	(0)
		, depthFailOp	(0)
		, depthPassOp	(0)
		, writeMask		(0)
	{
	}
};

struct RenderState
{
	bool				scissorTestEnabled;
	rr::WindowRectangle	scissorRectangle;

	bool				stencilTestEnabled;
	StencilState		stencil[rr::FACETYPE_LAST];

	bool				depthTestEnabled;
	deUint32			depthFunc;
	bool				depthWriteMask;

	bool				blendEnabled;
	BlendState			blendRGBState;
	BlendState			blendAState;
	tcu::Vec4			blendColor;

	bool				ditherEnabled;

	tcu::BVec4			colorMask;

	RenderState (void)
		: scissorTestEnabled	(false)
		, scissorRectangle		(0, 0, 0, 0)
		, stencilTestEnabled	(false)
		, depthTestEnabled		(false)
		, depthFunc				(0)
		, depthWriteMask		(false)
		, blendEnabled			(false)
		, ditherEnabled			(false)
	{
	}
};

struct RenderCommand
{
	gls::FragmentOpUtil::IntegerQuad	quad;
	RenderState							state;
};

void		computeRandomRenderState		(de::Random& rnd, RenderState& state, glu::ApiType apiType, int targetWidth, int targetHeight);
void		computeRandomQuad				(de::Random& rnd, gls::FragmentOpUtil::IntegerQuad& quad, int targetWidth, int targetHeight);
void		computeRandomRenderCommands		(de::Random& rnd, glu::ApiType apiType, int numCommands, int targetW, int targetH, std::vector<RenderCommand>& dst);

} // InteractionTestUtil
} // gls
} // deqp

#endif // _GLSINTERACTIONTESTUTIL_HPP