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/*
* Copyright (C) 2011 University of Szeged
* Copyright (C) 2011 Zoltan Herczeg
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FELightingNeon_h
#define FELightingNeon_h
#include <wtf/Platform.h>
#if CPU(ARM_NEON) && COMPILER(GCC)
namespace WebCore {
// Otherwise: Distant Light.
#define FLAG_POINT_LIGHT 0x01
#define FLAG_SPOT_LIGHT 0x02
#define FLAG_CONE_EXPONENT_IS_1 0x04
// Otherwise: Diffuse light.
#define FLAG_SPECULAR_LIGHT 0x10
#define FLAG_DIFFUSE_CONST_IS_1 0x20
#define FLAG_SPECULAR_EXPONENT_IS_1 0x40
// Must be aligned to 16 bytes.
struct FELightingFloatArgumentsForNeon {
float surfaceScale;
float minusSurfaceScaleDividedByFour;
float diffuseConstant;
float padding1;
float coneCutOffLimit;
float coneFullLight;
float coneCutOffRange;
float constOne;
float lightX;
float lightY;
float lightZ;
float padding2;
float directionX;
float directionY;
float directionZ;
float padding3;
float colorRed;
float colorGreen;
float colorBlue;
float padding4;
};
struct FELightingPaintingDataForNeon {
unsigned char* pixels;
int widthDecreasedByTwo;
int heightDecreasedByTwo;
// Combination of FLAG constants above.
int flags;
int specularExponent;
int coneExponent;
FELightingFloatArgumentsForNeon* floatArguments;
short* paintingConstants;
};
short* feLightingConstantsForNeon();
extern "C" {
void neonDrawLighting(FELightingPaintingDataForNeon*);
}
} // namespace WebCore
#endif // CPU(ARM_NEON) && COMPILER(GCC)
#endif // FELightingNeon_h
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