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/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and /or associated documentation files
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* (the "Materials "), to deal in the Materials without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Materials,
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* and to permit persons to whom the Materials are furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Materials.
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*
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* THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
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* THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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// This file contains the generated pixel-pipeline code and provides
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// interface to compile and run them.
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#ifndef __RIRASTERIZER_H
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# include "riRasterizer.h"
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#endif
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#ifndef __RIPIXELPIPE_H
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# include "riPixelPipe.h"
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#endif
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#ifndef __SFDYNAMICPIXELPIPE_H
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# include "sfDynamicPixelPipe.h"
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#endif
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#ifndef __RIUTILS_H
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# include "riUtils.h"
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#endif
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#ifndef __SFMASK_H
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# include "sfMask.h"
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#endif
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#ifndef __RIIMAGE_H
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# include "riImage.h"
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#endif
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#if defined(RI_DEBUG)
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# include <stdio.h>
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#endif
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namespace OpenVGRI {
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RI_INLINE static bool alwaysLoadDst(const PixelPipe::SignatureState& state)
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{
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if (!state.isRenderToMask)
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{
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if (state.hasImage)
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return true;
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VGBlendMode bm = state.blendMode;
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if (bm == VG_BLEND_SRC_IN ||
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bm == VG_BLEND_DST_OVER ||
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bm == VG_BLEND_DST_IN ||
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bm == VG_BLEND_ADDITIVE ||
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bm == VG_BLEND_MULTIPLY ||
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bm == VG_BLEND_SCREEN ||
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bm == VG_BLEND_DARKEN ||
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bm == VG_BLEND_LIGHTEN)
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{
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return true;
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} else
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{
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return false;
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}
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}
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else
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{
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switch (state.maskOperation)
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{
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case VG_SET_MASK:
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return false;
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default:
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return true;
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}
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}
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}
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RI_INLINE static bool canSolidFill(const PixelPipe::SignatureState& state)
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{
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if (state.isRenderToMask)
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{
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if (state.maskOperation == VG_SET_MASK ||
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state.maskOperation == VG_UNION_MASK)
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return true;
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// \note SUBTRACT is also possible.
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return false;
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}
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if (state.paintType != VG_PAINT_TYPE_COLOR)
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return false;
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if (state.hasImage)
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return false;
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// Some blendmodes can use dst color even if coverage == 1.0
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if (state.blendMode != VG_BLEND_SRC && state.blendMode != VG_BLEND_SRC_OVER)
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return false;
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if (state.hasMasking)
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return false;
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if (state.fillColorTransparent)
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return false;
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if (state.hasColorTransform)
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return false; // \todo Trace solid color alpha -> 1.0
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return true;
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}
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RI_INLINE static int intReflectRepeat(int n, int bits)
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{
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const int mask = (1<<bits)-1;
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return (n ^ (n << (31 - bits) >> 31)) & mask;
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}
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RI_INLINE static void applyGradientRepeat(int& sx0, int& sx1, PixelPipe::TilingMode sm)
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{
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switch (sm)
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{
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case PixelPipe::TILING_MODE_PAD:
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sx0 = RI_INT_CLAMP(sx0, 0, PixelPipe::SAMPLE_MASK);
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sx1 = RI_INT_CLAMP(sx1, 0, PixelPipe::SAMPLE_MASK);
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break;
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case PixelPipe::TILING_MODE_REFLECT:
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sx0 = intReflectRepeat(sx0, PixelPipe::SAMPLE_BITS);
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sx1 = intReflectRepeat(sx1, PixelPipe::SAMPLE_BITS);
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break;
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default:
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RI_ASSERT(sm == PixelPipe::TILING_MODE_REPEAT);
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sx0 = sx0 & PixelPipe::SAMPLE_MASK;
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sx1 = sx1 & PixelPipe::SAMPLE_MASK;
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break;
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}
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RI_ASSERT(sx0 >= 0 && sx0 < (1<<Paint::GRADIENT_LUT_BITS));
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RI_ASSERT(sx1 >= 0 && sx1 < (1<<Paint::GRADIENT_LUT_BITS));
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}
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RI_INLINE static IntegerColor readLUTColor(const PixelPipe::PPUniforms& uniforms, int i)
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{
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RI_ASSERT(i >= 0 && i <= Paint::GRADIENT_LUT_MASK);
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return uniforms.gradientLookup[i];
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}
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/**
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* \brief Sample linear gradient using integer-arithmetic.
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* \note The actual gradient computation is done piecewise within the
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* pixel-pipeline.
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*/
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RI_INLINE static IntegerColor intLinearGradient(const PixelPipe::SignatureState& state, const PixelPipe::PPUniforms& u, const PixelPipe::PPVariants& v)
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{
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RIint32 sx0 = v.sx >> (PixelPipe::GRADIENT_BITS - PixelPipe::SAMPLE_BITS);
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RIint32 sx1 = sx0 + 1;
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applyGradientRepeat(sx0, sx1, state.paintTilingMode);
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IntegerColor ic0 = readLUTColor(u, sx0 >> (PixelPipe::SAMPLE_BITS - Paint::GRADIENT_LUT_BITS));
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if (true)
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{
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return ic0;
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} else
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{
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// bilinear interpolation
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//RIint32 f1 = sx0;
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readLUTColor(u, sx1 >> (PixelPipe::SAMPLE_BITS - Paint::GRADIENT_LUT_BITS));
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RI_ASSERT(false);
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return IntegerColor(0,0,0,0);
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}
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}
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/**
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* \brief Radial gradient implementation for the integer-pipeline. Will use float at least
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* for the square-root. Will return integer-color always.
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*/
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RI_INLINE static IntegerColor intRadialGradient(const PixelPipe::SignatureState& state, const PixelPipe::PPUniforms& u, const PixelPipe::PPVariants& v)
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{
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RGScalar a = (v.rx * u.rfxp) + (v.ry * u.rfyp);
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RGScalar b = u.rsqrp * (RI_SQR(v.rx) + RI_SQR(v.ry));
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RGScalar c = RI_SQR((v.rx * u.rfyp) - (v.ry * u.rfxp));
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RGScalar d = b - c;
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RI_ASSERT(!RI_ISNAN(d) ? d >= 0.0f : true);
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RGScalar g = (a + sqrtf(d));
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int sx0 = RI_FLOAT_TO_FX(g, PixelPipe::SAMPLE_BITS);
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int sx1 = sx0 + 1;
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applyGradientRepeat(sx0, sx1, state.paintTilingMode);
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IntegerColor ic0 = readLUTColor(u, sx0 >> (PixelPipe::SAMPLE_BITS - Paint::GRADIENT_LUT_BITS));
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RI_ASSERT(ic0.r <= 255);
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RI_ASSERT(ic0.g <= 255);
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RI_ASSERT(ic0.b <= 255);
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RI_ASSERT(ic0.a <= 255);
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if (false)
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{
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// Linear interpolation of 2 gradient samples.
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IntegerColor ic1 = readLUTColor(u, sx1 >> (PixelPipe::SAMPLE_BITS - Paint::GRADIENT_LUT_BITS));
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//int fx0 = sx0 & PixelPipe::SAMPLE_MASK;
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//int fx1 = PixelPipe::SAMPLE_MASK - fx0;
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}
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return ic0;
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}
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RI_INLINE static bool applyPatternRepeat(int &x, int &y, PixelPipe::TilingMode tilingMode)
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{
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switch (tilingMode)
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{
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case PixelPipe::TILING_MODE_PAD:
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x = RI_INT_CLAMP(x, 0, PixelPipe::GRADIENT_MASK);
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y = RI_INT_CLAMP(y, 0, PixelPipe::GRADIENT_MASK);
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break;
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case PixelPipe::TILING_MODE_REPEAT:
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x = x & PixelPipe::GRADIENT_MASK;
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y = y & PixelPipe::GRADIENT_MASK;
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break;
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case PixelPipe::TILING_MODE_REFLECT:
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x = intReflectRepeat(x, PixelPipe::GRADIENT_BITS);
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y = intReflectRepeat(y, PixelPipe::GRADIENT_BITS);
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break;
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default:
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RI_ASSERT(tilingMode == PixelPipe::TILING_MODE_FILL);
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// Do nothing -> Fill is checked on integer coordinates.
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break;
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}
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return false;
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}
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/**
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* \brief Same as applyPatternRepeat, but with pattern-space integer coordinates without
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* fractional part.
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* \note Assumes that the coordinate is in range [0,width or height].
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*/
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RI_INLINE static bool applyPatternSampleRepeat(int &x, int &y, int w, int h, PixelPipe::TilingMode tilingMode)
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{
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switch (tilingMode)
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{
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case PixelPipe::TILING_MODE_PAD:
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RI_ASSERT(x >= 0 && x <= w);
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RI_ASSERT(y >= 0 && y <= h);
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if (x >= w) x = w-1;
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if (y >= h) y = h-1;
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break;
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case PixelPipe::TILING_MODE_REPEAT:
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RI_ASSERT(x >= 0 && x <= w);
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RI_ASSERT(y >= 0 && y <= h);
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if (x >= w) x = 0;
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if (y >= h) y = 0;
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break;
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case PixelPipe::TILING_MODE_REFLECT:
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RI_ASSERT(x >= 0 && x <= w);
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RI_ASSERT(y >= 0 && y <= h);
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if (x >= w) x = w-1; // w-2?
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276 |
if (y >= h) y = h-1; // h-2?
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break;
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default:
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RI_ASSERT(tilingMode == PixelPipe::TILING_MODE_FILL);
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if (x < 0 || x >= w) return true;
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if (y < 0 || y >= h) return true;
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break;
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}
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284 |
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285 |
return false;
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286 |
}
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287 |
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288 |
RI_INLINE IntegerColor readPattern(const void* basePtr, int stride, const Color::Descriptor& desc, int ix, int iy, const IntegerColor* fillColor, bool fill)
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{
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const void* ptr = Image::calculateAddress(basePtr, desc.bitsPerPixel, ix, iy, stride);
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291 |
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if (!fill)
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return IntegerColor(Image::readPackedPixelFromAddress(ptr, desc.bitsPerPixel, ix), desc);
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else
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{
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RI_ASSERT(fillColor);
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297 |
return *fillColor;
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298 |
}
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299 |
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300 |
}
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301 |
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302 |
/**
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* \brief Rescale the result of bilinear interpolation.
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* \todo See if this or individual shifts and rounds are faster on x86
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305 |
*/
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306 |
RI_INLINE static RIuint32 bilinearDiv(unsigned int c)
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|
307 |
{
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|
308 |
RIuint32 rcp = 33026;
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|
309 |
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|
310 |
RIuint64 m = (RIuint64)c * rcp;
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|
311 |
RIuint32 d = (RIuint32)(m >> 30);
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312 |
return (d >> 1) + (d & 1);
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313 |
}
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|
314 |
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|
315 |
/**
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316 |
* \brief Read an optionally filtered sample from an image. For multiple samples, apply repeat
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|
317 |
* for all the generated sampling points. This only implements a simple sampling: nearest
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|
318 |
* or Linear filtering and is much simpler than the original RI.
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|
319 |
* \param image Image to sample from
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320 |
* \param sx0 Sample x in .8 fixed point. MUST be within the image except for FILL.
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321 |
* \param sy0 Sample y in .8 fixed point. MUST be within the image except for FILL.
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322 |
* \param samplerType Type of the sampler used.
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323 |
* \param tilingMode Tiling mode for generated sample points, if required.
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324 |
* \param fillColor Color to use for TILING_MODE_FILL
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|
325 |
* \todo Where should we determine if a NN-sample needs to be unpacked?
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|
326 |
* -> It is also easy to just read that sample separately.
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|
327 |
*/
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|
328 |
RI_INLINE static IntegerColor intSampleImage(
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|
329 |
const void* ptr,
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|
330 |
int stride,
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|
331 |
int w,
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|
332 |
int h,
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|
333 |
const Color::Descriptor& desc,
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|
334 |
RIint32 sx0,
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|
335 |
RIint32 sy0,
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|
336 |
PixelPipe::SamplerType samplerType,
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|
337 |
PixelPipe::TilingMode tilingMode,
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|
338 |
const IntegerColor* fillColor)
|
|
339 |
{
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|
340 |
RI_ASSERT(fillColor || (tilingMode != PixelPipe::TILING_MODE_FILL));
|
|
341 |
|
|
342 |
// \todo The following code is between low- and high-level representation of sampling.
|
|
343 |
// It should probably be modified to appear fully as low-level, since we want as many
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|
344 |
// optimizations as possible.
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|
345 |
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|
346 |
const bool bilinear = samplerType == PixelPipe::SAMPLER_TYPE_LINEAR;
|
|
347 |
|
|
348 |
IntegerColor retColor;
|
|
349 |
bool maybeFill = tilingMode == PixelPipe::TILING_MODE_FILL;
|
|
350 |
bool fillSample = false;
|
|
351 |
|
|
352 |
RIint32 ix, iy;
|
|
353 |
|
|
354 |
IntegerColor ic00;
|
|
355 |
|
|
356 |
RIint32 fx = sx0 & 0xff;
|
|
357 |
RIint32 fy = sy0 & 0xff;
|
|
358 |
|
|
359 |
ix = sx0 >> PixelPipe::SAMPLE_BITS;
|
|
360 |
iy = sy0 >> PixelPipe::SAMPLE_BITS;
|
|
361 |
|
|
362 |
if (maybeFill)
|
|
363 |
{
|
|
364 |
if (ix < 0 || ix >= w)
|
|
365 |
fillSample = true;
|
|
366 |
if (iy < 0 || iy >= h)
|
|
367 |
fillSample = true;
|
|
368 |
}
|
|
369 |
|
|
370 |
ic00 = readPattern(ptr, stride, desc, ix, iy, fillColor, fillSample);
|
|
371 |
|
|
372 |
if (!bilinear)
|
|
373 |
{
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|
374 |
retColor = ic00;
|
|
375 |
retColor.expandColor(desc); // \todo Handling of bilinear?
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|
376 |
}
|
|
377 |
else
|
|
378 |
{
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|
379 |
// Bilinear filtering.
|
|
380 |
|
|
381 |
IntegerColor ic01, ic10, ic11;
|
|
382 |
IntegerColor t0, t1;
|
|
383 |
|
|
384 |
int xs = ix + 1;
|
|
385 |
int ys = iy;
|
|
386 |
|
|
387 |
fillSample = applyPatternSampleRepeat(xs, ys, w, h, tilingMode);
|
|
388 |
ic01 = readPattern(ptr, stride, desc, xs, ys, fillColor, fillSample);
|
|
389 |
|
|
390 |
t0 = IntegerColor::linearBlendNS(ic00, ic01, fx);
|
|
391 |
|
|
392 |
xs = ix;
|
|
393 |
ys = iy+1;
|
|
394 |
fillSample = applyPatternSampleRepeat(xs, ys, w, h, tilingMode);
|
|
395 |
ic10 = readPattern(ptr, stride, desc, xs, ys, fillColor, fillSample);
|
|
396 |
|
|
397 |
xs = ix+1;
|
|
398 |
ys = iy+1;
|
|
399 |
fillSample = applyPatternSampleRepeat(xs, ys, w, h, tilingMode);
|
|
400 |
ic11 = readPattern(ptr, stride, desc, xs, ys, fillColor, fillSample);
|
|
401 |
|
|
402 |
t1 = IntegerColor::linearBlendNS(ic10, ic11, fx);
|
|
403 |
|
|
404 |
retColor = IntegerColor::linearBlendNS(t0, t1, fy);
|
|
405 |
|
|
406 |
retColor.r = bilinearDiv(retColor.r);
|
|
407 |
retColor.g = bilinearDiv(retColor.g);
|
|
408 |
retColor.b = bilinearDiv(retColor.b);
|
|
409 |
retColor.a = bilinearDiv(retColor.a);
|
|
410 |
|
|
411 |
return retColor;
|
|
412 |
}
|
|
413 |
|
|
414 |
return retColor;
|
|
415 |
}
|
|
416 |
|
|
417 |
RI_INLINE static RIint32 gradientToFixedCoords(RIint32 gradCoord, RIint32 dim)
|
|
418 |
{
|
|
419 |
return (RIint32)(((RIint64)dim * gradCoord) >> (PixelPipe::GRADIENT_BITS - PixelPipe::SAMPLE_BITS));
|
|
420 |
}
|
|
421 |
|
|
422 |
|
|
423 |
RI_INLINE static IntegerColor intPattern(const PixelPipe::SignatureState &state, const PixelPipe::PPUniforms& u, const PixelPipe::PPVariants& v)
|
|
424 |
{
|
|
425 |
// \todo The following code is between low- and high-level representation of sampling.
|
|
426 |
// It should probably be modified to appear fully as low-level, since we want as many
|
|
427 |
// optimizations as possible.
|
|
428 |
|
|
429 |
// "External" variables
|
|
430 |
const PixelPipe::TilingMode tilingMode = state.paintTilingMode;
|
|
431 |
const IntegerColor fillColor = u.tileFillColor;
|
|
432 |
const int w = u.paint_width;
|
|
433 |
const int h = u.paint_height;
|
|
434 |
|
|
435 |
IntegerColor retColor;
|
|
436 |
|
|
437 |
RIint32 sx0 = v.sx;
|
|
438 |
RIint32 sy0 = v.sy;
|
|
439 |
|
|
440 |
IntegerColor ic00;
|
|
441 |
|
|
442 |
applyPatternRepeat(sx0, sy0, tilingMode);
|
|
443 |
sx0 = gradientToFixedCoords(sx0, w);
|
|
444 |
sy0 = gradientToFixedCoords(sy0, h);
|
|
445 |
//sx0 = (RIint32)(((RIint64)w * sx0) >> (PixelPipe::GRADIENT_BITS - PixelPipe::SAMPLE_BITS));
|
|
446 |
//sy0 = (RIint32)(((RIint64)h * sy0) >> (PixelPipe::GRADIENT_BITS - PixelPipe::SAMPLE_BITS));
|
|
447 |
|
|
448 |
const void* ptr = u.patternPtr;
|
|
449 |
const int stride = u.patternStride;
|
|
450 |
const Color::Descriptor& desc = state.patternDesc;
|
|
451 |
|
|
452 |
return intSampleImage(ptr, stride, w, h, desc, sx0, sy0, state.paintSampler, tilingMode, &fillColor);
|
|
453 |
}
|
|
454 |
|
|
455 |
RI_INLINE static bool formatPremultipliedAfterSampling(const Color::Descriptor& desc, PixelPipe::SamplerType samplerType, PixelPipe::ImageGradientType gradientType)
|
|
456 |
{
|
|
457 |
// Sampled at pixel centers -> no processing of colors -> does not get premultiplied
|
|
458 |
if (gradientType == PixelPipe::GRADIENT_TYPE_INTEGER)
|
|
459 |
return desc.isPremultiplied();
|
|
460 |
|
|
461 |
if (samplerType != PixelPipe::SAMPLER_TYPE_NEAREST)
|
|
462 |
return true;
|
|
463 |
|
|
464 |
return desc.isPremultiplied();
|
|
465 |
}
|
|
466 |
|
|
467 |
RI_INLINE static bool imagePremultipliedAfterSampling(const PixelPipe::SignatureState& state)
|
|
468 |
{
|
|
469 |
RI_ASSERT(state.hasImage);
|
|
470 |
|
|
471 |
return formatPremultipliedAfterSampling(state.imageDesc, state.imageSampler, state.imageGradientType);
|
|
472 |
}
|
|
473 |
|
|
474 |
RI_INLINE static bool gradientPremultipliedAfterSampling(const PixelPipe::SignatureState& state)
|
|
475 |
{
|
|
476 |
if (state.paintSampler != PixelPipe::SAMPLER_TYPE_NEAREST)
|
|
477 |
return true;
|
|
478 |
|
|
479 |
return true;
|
|
480 |
|
|
481 |
// Otherwise, the gradient value is a single sample, and should be in the destination
|
|
482 |
// color-space:
|
|
483 |
//return state.dstDesc.isPremultiplied();
|
|
484 |
}
|
|
485 |
|
|
486 |
RI_INLINE static bool patternPremultipliedAfterSampling(const PixelPipe::SignatureState& state)
|
|
487 |
{
|
|
488 |
RI_ASSERT(state.paintType == VG_PAINT_TYPE_PATTERN);
|
|
489 |
|
|
490 |
return formatPremultipliedAfterSampling(state.patternDesc, state.paintSampler, PixelPipe::GRADIENT_TYPE_FIXED);
|
|
491 |
}
|
|
492 |
|
|
493 |
/**
|
|
494 |
* \brief Returns true if generated paint will be in RGB, false if luminance.
|
|
495 |
*/
|
|
496 |
RI_INLINE static bool paintInRGB(const PixelPipe::SignatureState& state)
|
|
497 |
{
|
|
498 |
if (state.paintType != VG_PAINT_TYPE_PATTERN)
|
|
499 |
return true;
|
|
500 |
|
|
501 |
return !state.patternDesc.isLuminance();
|
|
502 |
}
|
|
503 |
|
|
504 |
|
|
505 |
/**
|
|
506 |
* \brief Applies color transform to input color
|
|
507 |
* \param isNonlinear "true" if input is nonlinear. This only affects luminance -> RGB conversion,
|
|
508 |
* other conversions happen in the input color-space.
|
|
509 |
* \note Leaves the color unpremultiplied, in source color-space and converts luminance to RGB
|
|
510 |
* \todo isNonlinear is not needed. It can be deduced from the state information!
|
|
511 |
*/
|
|
512 |
RI_INLINE static IntegerColor maybeColorTransform(const PixelPipe::SignatureState& state, const IntegerColor& c, const RIint32* colorTransformValues, bool isNonlinear)
|
|
513 |
{
|
|
514 |
if (!state.hasColorTransform)
|
|
515 |
return c;
|
|
516 |
|
|
517 |
RI_ASSERT(state.hasImage || state.paintType == VG_PAINT_TYPE_PATTERN);
|
|
518 |
|
|
519 |
IntegerColor r = c;
|
|
520 |
|
|
521 |
if (state.imageMode == VG_DRAW_IMAGE_MULTIPLY)
|
|
522 |
{
|
|
523 |
r.unpremultiply();
|
|
524 |
}
|
|
525 |
else if (state.imageMode == VG_DRAW_IMAGE_STENCIL || state.paintType == VG_PAINT_TYPE_PATTERN)
|
|
526 |
{
|
|
527 |
// -> Check pattern
|
|
528 |
if (patternPremultipliedAfterSampling(state))
|
|
529 |
r.unpremultiply();
|
|
530 |
}
|
|
531 |
else
|
|
532 |
{
|
|
533 |
// -> Check image
|
|
534 |
if (imagePremultipliedAfterSampling(state))
|
|
535 |
r.unpremultiply();
|
|
536 |
}
|
|
537 |
|
|
538 |
// Check if it is necessary to convert to RGB:
|
|
539 |
if (state.imageMode == VG_DRAW_IMAGE_MULTIPLY)
|
|
540 |
{
|
|
541 |
if (state.imageDesc.isLuminance() && !paintInRGB(state))
|
|
542 |
{
|
|
543 |
r.fullLuminanceToRGB(false, isNonlinear, false, isNonlinear);
|
|
544 |
}
|
|
545 |
}
|
|
546 |
else if (state.imageMode == VG_DRAW_IMAGE_STENCIL)
|
|
547 |
{
|
|
548 |
if (state.patternDesc.isLuminance())
|
|
549 |
r.fullLuminanceToRGB(false, isNonlinear, false, isNonlinear);
|
|
550 |
}
|
|
551 |
|
|
552 |
// \todo Use lookup-tables in some cases?
|
|
553 |
r.r = (((RIint32)r.r * colorTransformValues[0]) >> PixelPipe::COLOR_TRANSFORM_BITS) + colorTransformValues[4];
|
|
554 |
r.g = (((RIint32)r.g * colorTransformValues[1]) >> PixelPipe::COLOR_TRANSFORM_BITS) + colorTransformValues[5];
|
|
555 |
r.b = (((RIint32)r.b * colorTransformValues[2]) >> PixelPipe::COLOR_TRANSFORM_BITS) + colorTransformValues[6];
|
|
556 |
r.a = (((RIint32)r.a * colorTransformValues[3]) >> PixelPipe::COLOR_TRANSFORM_BITS) + colorTransformValues[7];
|
|
557 |
|
|
558 |
// Clamp (integerColor?)
|
|
559 |
r.r = (RIuint32)RI_INT_CLAMP((int)r.r, 0, 255);
|
|
560 |
r.g = (RIuint32)RI_INT_CLAMP((int)r.g, 0, 255);
|
|
561 |
r.b = (RIuint32)RI_INT_CLAMP((int)r.b, 0, 255);
|
|
562 |
r.a = (RIuint32)RI_INT_CLAMP((int)r.a, 0, 255);
|
|
563 |
|
|
564 |
|
|
565 |
return r;
|
|
566 |
}
|
|
567 |
|
|
568 |
/// Some rounding multiplications for blends:
|
|
569 |
|
|
570 |
/**
|
|
571 |
* \brief Multiply with rounding.
|
|
572 |
*/
|
|
573 |
RI_INLINE static RIuint32 rMul2(RIuint32 c0, RIuint32 c1, RIuint32 k0, RIuint32 k1)
|
|
574 |
{
|
|
575 |
RIuint32 t = c0 * k0 + c1 * k1;
|
|
576 |
//RIuint32 r = (t + (t>>9)) >> 8;
|
|
577 |
RIuint32 r = (t + (1>>7))>>8;
|
|
578 |
RI_ASSERT(r <= 255);
|
|
579 |
return r;
|
|
580 |
}
|
|
581 |
|
|
582 |
/**
|
|
583 |
* \brief Returns rounding color-multiplication: c0 + c1 * k
|
|
584 |
*/
|
|
585 |
RI_INLINE static RIuint32 rMul1(RIuint32 c0, RIuint32 c1, RIuint32 k)
|
|
586 |
{
|
|
587 |
RIuint32 t = c1 * k;
|
|
588 |
RIuint32 r = c0 + ((t + (t >> 7)) >> 8);
|
|
589 |
RI_ASSERT(r <= 255);
|
|
590 |
return r;
|
|
591 |
}
|
|
592 |
|
|
593 |
/**
|
|
594 |
* \brief Fixed-point multiplication
|
|
595 |
*/
|
|
596 |
RI_INLINE static RIuint32 rMul(RIuint32 c0, RIuint32 f)
|
|
597 |
{
|
|
598 |
RIuint32 t = c0 * f;
|
|
599 |
return (t + (1<<7))>>8;
|
|
600 |
}
|
|
601 |
|
|
602 |
/**
|
|
603 |
* \brief Multiply two colors [0, 255]
|
|
604 |
*/
|
|
605 |
RI_INLINE static RIuint32 cMul(RIuint32 c0, RIuint32 c1)
|
|
606 |
{
|
|
607 |
RIuint32 t = c0 * c1;
|
|
608 |
RIuint32 r = (t + (t >> 9)) >> 8;
|
|
609 |
//RIuint32 t = c0 * c1;
|
|
610 |
//RIuint32 r = (t + (t >> 7))>>8;
|
|
611 |
RI_ASSERT(r <= 255);
|
|
612 |
return r;
|
|
613 |
}
|
|
614 |
|
|
615 |
// \todo Are signed versions required?
|
|
616 |
RI_INLINE static RIuint32 cMin(RIuint32 c0, RIuint32 c1)
|
|
617 |
{
|
|
618 |
return c0 <= c1 ? c0 : c1;
|
|
619 |
}
|
|
620 |
|
|
621 |
RI_INLINE static RIuint32 cMax(RIuint32 c0, RIuint32 c1)
|
|
622 |
{
|
|
623 |
return c0 >= c1 ? c0 : c1;
|
|
624 |
}
|
|
625 |
|
|
626 |
/**
|
|
627 |
* \brief Blends two integer colors. Only considers the alpha-channels within
|
|
628 |
* the colors themselves. There should be a separate function to do
|
|
629 |
* blending with individual channel-alphas.
|
|
630 |
* \note It is also possible that LLVM is able to detect, whether individual alpha-
|
|
631 |
* channels contain a single/multi alpha
|
|
632 |
* \todo Overall, check how much and how fast LLVM is able to optimize out unused
|
|
633 |
* expressions.
|
|
634 |
*/
|
|
635 |
RI_INLINE static IntegerColor blendIntegerColors(const IntegerColor& s, const IntegerColor& d, VGBlendMode blendMode)
|
|
636 |
{
|
|
637 |
IntegerColor r;
|
|
638 |
|
|
639 |
switch(blendMode)
|
|
640 |
{
|
|
641 |
case VG_BLEND_SRC:
|
|
642 |
r = s;
|
|
643 |
break;
|
|
644 |
|
|
645 |
case VG_BLEND_SRC_OVER:
|
|
646 |
{
|
|
647 |
RIuint32 ia = 255 - s.a;
|
|
648 |
r.r = rMul1(s.r, d.r, ia);
|
|
649 |
r.g = rMul1(s.g, d.g, ia);
|
|
650 |
r.b = rMul1(s.b, d.b, ia);
|
|
651 |
r.a = rMul1(s.a, d.a, ia);
|
|
652 |
break;
|
|
653 |
}
|
|
654 |
case VG_BLEND_DST_OVER:
|
|
655 |
{
|
|
656 |
RIuint32 ia = 255 - d.a;
|
|
657 |
r.r = rMul1(d.r, s.r, ia);
|
|
658 |
r.g = rMul1(d.g, s.g, ia);
|
|
659 |
r.b = rMul1(d.b, s.b, ia);
|
|
660 |
r.a = rMul1(d.a, s.a, ia);
|
|
661 |
break;
|
|
662 |
}
|
|
663 |
case VG_BLEND_SRC_IN:
|
|
664 |
{
|
|
665 |
r.r = cMul(s.r, d.a);
|
|
666 |
r.g = cMul(s.g, d.a);
|
|
667 |
r.b = cMul(s.b, d.a);
|
|
668 |
r.a = cMul(s.a, d.a);
|
|
669 |
break;
|
|
670 |
}
|
|
671 |
case VG_BLEND_DST_IN:
|
|
672 |
{
|
|
673 |
r.r = cMul(d.r, s.a);
|
|
674 |
r.g = cMul(d.g, s.a);
|
|
675 |
r.b = cMul(d.b, s.a);
|
|
676 |
r.a = cMul(d.a, s.a);
|
|
677 |
break;
|
|
678 |
}
|
|
679 |
case VG_BLEND_MULTIPLY:
|
|
680 |
{
|
|
681 |
RIuint32 iasrc, iadst;
|
|
682 |
iasrc = 255 - s.a;
|
|
683 |
iadst = 255 - d.a;
|
|
684 |
r.r = rMul2(s.r, d.r, iadst + d.r, iasrc);
|
|
685 |
r.g = rMul2(s.g, d.g, iadst + d.g, iasrc);
|
|
686 |
r.b = rMul2(s.b, d.b, iadst + d.b, iasrc);
|
|
687 |
r.a = rMul1(s.a, d.a, iasrc);
|
|
688 |
break;
|
|
689 |
}
|
|
690 |
case VG_BLEND_SCREEN:
|
|
691 |
{
|
|
692 |
r.r = rMul1(s.r, d.r, 255 - s.r);
|
|
693 |
r.g = rMul1(s.g, d.g, 255 - s.g);
|
|
694 |
r.b = rMul1(s.b, d.b, 255 - s.b);
|
|
695 |
r.a = rMul1(s.a, d.a, 255 - s.a);
|
|
696 |
break;
|
|
697 |
}
|
|
698 |
case VG_BLEND_DARKEN:
|
|
699 |
{
|
|
700 |
RIuint32 iasrc = 255 - s.a;
|
|
701 |
RIuint32 iadst = 255 - d.a;
|
|
702 |
r.r = cMin(rMul1(s.r, d.r, iasrc), rMul1(d.r, s.r, iadst));
|
|
703 |
r.g = cMin(rMul1(s.g, d.g, iasrc), rMul1(d.g, s.g, iadst));
|
|
704 |
r.b = cMin(rMul1(s.b, d.b, iasrc), rMul1(d.b, s.b, iadst));
|
|
705 |
r.a = rMul1(s.a, d.a, iasrc);
|
|
706 |
break;
|
|
707 |
}
|
|
708 |
case VG_BLEND_LIGHTEN:
|
|
709 |
{
|
|
710 |
// \todo Compact darken w/r lighten?
|
|
711 |
RIuint32 iasrc = 255 - s.a;
|
|
712 |
RIuint32 iadst = 255 - d.a;
|
|
713 |
r.r = cMax(rMul1(s.r, d.r, iasrc), rMul1(d.r, s.r, iadst));
|
|
714 |
r.g = cMax(rMul1(s.g, d.g, iasrc), rMul1(d.g, s.g, iadst));
|
|
715 |
r.b = cMax(rMul1(s.b, d.b, iasrc), rMul1(d.b, s.b, iadst));
|
|
716 |
//although the statement below is equivalent to r.a = s.a + d.a * (1.0f - s.a)
|
|
717 |
//in practice there can be a very slight difference because
|
|
718 |
//of the max operation in the blending formula that may cause color to exceed alpha.
|
|
719 |
//Because of this, we compute the result both ways and return the maximum.
|
|
720 |
r.a = cMax(rMul1(s.a, d.a, iasrc), rMul1(d.a, s.a, iadst));
|
|
721 |
break;
|
|
722 |
}
|
|
723 |
default:
|
|
724 |
{
|
|
725 |
RI_ASSERT(blendMode == VG_BLEND_ADDITIVE);
|
|
726 |
r.r = cMin(s.r + d.r, 255);
|
|
727 |
r.g = cMin(s.g + d.g, 255);
|
|
728 |
r.b = cMin(s.b + d.b, 255);
|
|
729 |
r.a = cMin(s.a + d.a, 255);
|
|
730 |
break;
|
|
731 |
}
|
|
732 |
}
|
|
733 |
return r;
|
|
734 |
|
|
735 |
}
|
|
736 |
|
|
737 |
RI_INLINE static IntegerColor blendIntegerStencil(const IntegerColor& s, const IntegerColor& im, const IntegerColor& d, VGBlendMode blendMode)
|
|
738 |
{
|
|
739 |
IntegerColor r;
|
|
740 |
|
|
741 |
switch(blendMode)
|
|
742 |
{
|
|
743 |
case VG_BLEND_SRC:
|
|
744 |
r = s;
|
|
745 |
break;
|
|
746 |
|
|
747 |
case VG_BLEND_SRC_OVER:
|
|
748 |
{
|
|
749 |
r.r = rMul1(s.r, d.r, 255 - im.r);
|
|
750 |
r.g = rMul1(s.g, d.g, 255 - im.g);
|
|
751 |
r.b = rMul1(s.b, d.b, 255 - im.b);
|
|
752 |
r.a = rMul1(s.a, d.a, 255 - s.a);
|
|
753 |
break;
|
|
754 |
}
|
|
755 |
case VG_BLEND_DST_OVER:
|
|
756 |
{
|
|
757 |
r = blendIntegerColors(s, d, blendMode);
|
|
758 |
break;
|
|
759 |
}
|
|
760 |
case VG_BLEND_SRC_IN:
|
|
761 |
{
|
|
762 |
r = blendIntegerColors(s, d, blendMode);
|
|
763 |
break;
|
|
764 |
}
|
|
765 |
case VG_BLEND_DST_IN:
|
|
766 |
{
|
|
767 |
r.r = cMul(d.r, im.r);
|
|
768 |
r.g = cMul(d.g, im.g);
|
|
769 |
r.b = cMul(d.b, im.b);
|
|
770 |
r.a = cMul(d.a, s.a);
|
|
771 |
break;
|
|
772 |
}
|
|
773 |
case VG_BLEND_MULTIPLY:
|
|
774 |
{
|
|
775 |
RIuint32 iadst;
|
|
776 |
iadst = 255 - d.a;
|
|
777 |
r.r = rMul2(s.r, d.r, iadst + d.r, 255 - im.r);
|
|
778 |
r.g = rMul2(s.g, d.g, iadst + d.g, 255 - im.g);
|
|
779 |
r.b = rMul2(s.b, d.b, iadst + d.b, 255 - im.b);
|
|
780 |
r.a = rMul1(s.a, d.a, 255 - s.a);
|
|
781 |
break;
|
|
782 |
}
|
|
783 |
case VG_BLEND_SCREEN:
|
|
784 |
{
|
|
785 |
r = blendIntegerColors(s, d, blendMode);
|
|
786 |
break;
|
|
787 |
}
|
|
788 |
case VG_BLEND_DARKEN:
|
|
789 |
{
|
|
790 |
RIuint32 iadst = 255 - d.a;
|
|
791 |
r.r = cMin(rMul1(s.r, d.r, 255 - im.r), rMul1(d.r, s.r, iadst));
|
|
792 |
r.g = cMin(rMul1(s.g, d.g, 255 - im.g), rMul1(d.g, s.g, iadst));
|
|
793 |
r.b = cMin(rMul1(s.b, d.b, 255 - im.b), rMul1(d.b, s.b, iadst));
|
|
794 |
r.a = rMul1(s.a, d.a, 255 - s.a);
|
|
795 |
break;
|
|
796 |
}
|
|
797 |
case VG_BLEND_LIGHTEN:
|
|
798 |
{
|
|
799 |
// \todo Compact darken w/r lighten?
|
|
800 |
RIuint32 iadst = 255 - d.a;
|
|
801 |
r.r = cMax(rMul1(s.r, d.r, 255 - im.r), rMul1(d.r, s.r, iadst));
|
|
802 |
r.g = cMax(rMul1(s.g, d.g, 255 - im.g), rMul1(d.g, s.g, iadst));
|
|
803 |
r.b = cMax(rMul1(s.b, d.b, 255 - im.b), rMul1(d.b, s.b, iadst));
|
|
804 |
//although the statement below is equivalent to r.a = s.a + d.a * (1.0f - s.a)
|
|
805 |
//in practice there can be a very slight difference because
|
|
806 |
//of the max operation in the blending formula that may cause color to exceed alpha.
|
|
807 |
//Because of this, we compute the result both ways and return the maximum.
|
|
808 |
r.a = cMax(rMul1(s.a, d.a, 255 - s.a), rMul1(d.a, s.a, iadst));
|
|
809 |
break;
|
|
810 |
}
|
|
811 |
default:
|
|
812 |
{
|
|
813 |
RI_ASSERT(blendMode == VG_BLEND_ADDITIVE);
|
|
814 |
return blendIntegerColors(s, d, blendMode);
|
|
815 |
break;
|
|
816 |
}
|
|
817 |
}
|
|
818 |
return r;
|
|
819 |
|
|
820 |
}
|
|
821 |
|
|
822 |
/**
|
|
823 |
* \brief Perform SRC_OVER and apply coverage in a single operation.
|
|
824 |
* \note It is possible to do optimizations like this for other blending operations,
|
|
825 |
* but they are not as widely used -> optimize if there is a requirement.
|
|
826 |
* \note Prints are included because GDB is confused about the value of r.
|
|
827 |
*/
|
|
828 |
static RI_INLINE IntegerColor srcOverCoverage(const IntegerColor& s, const IntegerColor& d, RIuint32 cov)
|
|
829 |
{
|
|
830 |
IntegerColor r;
|
|
831 |
RIuint32 ac = ((s.a + (s.a>>7)) * cov);
|
|
832 |
ac = (ac + (1<<7))>>8;
|
|
833 |
RIuint32 ia = 256 - ac;
|
|
834 |
|
|
835 |
r.r = rMul2(s.r, d.r, cov, ia);
|
|
836 |
r.g = rMul2(s.g, d.g, cov, ia);
|
|
837 |
r.b = rMul2(s.b, d.b, cov, ia);
|
|
838 |
r.a = rMul2(s.a, d.a, cov, ia);
|
|
839 |
//r.r = (s.r * cov + d.r * ia) >> 8;
|
|
840 |
//r.g = (s.g * cov + d.g * ia) >> 8;
|
|
841 |
//r.b = (s.b * cov + d.b * ia) >> 8;
|
|
842 |
//r.a = (s.a * cov + d.a * ia) >> 8;
|
|
843 |
|
|
844 |
#if defined(RI_DEBUG)
|
|
845 |
if (!(r.r <= r.a && r.g <= r.a && r.b <= r.a && r.a <= 255))
|
|
846 |
{
|
|
847 |
printf("r: %d, g: %d, b: %d, a: %d\n",r.r,r.g,r.b,r.a);
|
|
848 |
RI_ASSERT(false);
|
|
849 |
}
|
|
850 |
//RI_ASSERT(r.r <= 255 && r.g <= 255 && r.b <= 255 && r.a <= 255);
|
|
851 |
#endif
|
|
852 |
|
|
853 |
return r;
|
|
854 |
}
|
|
855 |
|
|
856 |
/**
|
|
857 |
* \brief Check if converting between two color formats requires a gamma-conversion.
|
|
858 |
* \todo Move this to descriptor class.
|
|
859 |
*/
|
|
860 |
static RI_INLINE bool needGammaConvert(const Color::Descriptor& srcDesc, const Color::Descriptor& dstDesc)
|
|
861 |
{
|
|
862 |
//if ((!srcDesc.isAlphaOnly()) && (srcDesc.isNonlinear() != dstDesc.isNonlinear()))
|
|
863 |
//return true;
|
|
864 |
if ((srcDesc.isNonlinear() != dstDesc.isNonlinear()))
|
|
865 |
return true;
|
|
866 |
|
|
867 |
return false;
|
|
868 |
}
|
|
869 |
|
|
870 |
|
|
871 |
RI_INLINE static bool preBlendPremultiplication(const PixelPipe::SignatureState& state)
|
|
872 |
{
|
|
873 |
// \todo Simplify the rules (see the corresponding places in the pixelpipe
|
|
874 |
const bool colorTransform = state.hasColorTransform;
|
|
875 |
|
|
876 |
if (PixelPipe::isImageOnly(state))
|
|
877 |
{
|
|
878 |
if (colorTransform)
|
|
879 |
return true;
|
|
880 |
|
|
881 |
// Gamma conversion will leave the result premultiplied
|
|
882 |
if (needGammaConvert(state.imageDesc, state.dstDesc))
|
|
883 |
return true;
|
|
884 |
//if (state.imageDesc.isAlphaOnly())
|
|
885 |
//return false;
|
|
886 |
|
|
887 |
return !imagePremultipliedAfterSampling(state);
|
|
888 |
}
|
|
889 |
|
|
890 |
if (state.hasImage)
|
|
891 |
{
|
|
892 |
if (state.imageMode == VG_DRAW_IMAGE_NORMAL)
|
|
893 |
return !imagePremultipliedAfterSampling(state);
|
|
894 |
// Image color has been combined with the paint color and that requires premultiplication
|
|
895 |
if (state.imageMode == VG_DRAW_IMAGE_MULTIPLY)
|
|
896 |
return false; // Always results in a premultiplied output color
|
|
897 |
|
|
898 |
return false; // ?
|
|
899 |
}
|
|
900 |
|
|
901 |
if (state.paintType == VG_PAINT_TYPE_COLOR)
|
|
902 |
return false;
|
|
903 |
|
|
904 |
if (state.paintType != VG_PAINT_TYPE_PATTERN)
|
|
905 |
return !gradientPremultipliedAfterSampling(state);
|
|
906 |
|
|
907 |
// Must be pattern
|
|
908 |
RI_ASSERT(state.paintType == VG_PAINT_TYPE_PATTERN);
|
|
909 |
|
|
910 |
if (state.hasColorTransform)
|
|
911 |
return true;
|
|
912 |
|
|
913 |
if (needGammaConvert(state.patternDesc, state.dstDesc))
|
|
914 |
return true;
|
|
915 |
|
|
916 |
return !patternPremultipliedAfterSampling(state);
|
|
917 |
}
|
|
918 |
|
|
919 |
/**
|
|
920 |
* \brief Apply coverage [0 .. 256] on color
|
|
921 |
* \note This is actually "just coverage".
|
|
922 |
*/
|
|
923 |
RI_INLINE static IntegerColor srcCoverage(const IntegerColor& s, const IntegerColor& d, RIuint32 cov)
|
|
924 |
{
|
|
925 |
IntegerColor r;
|
|
926 |
RIuint32 icov = 256-cov;
|
|
927 |
// Make function for multiplication between fixed point values (coverage is
|
|
928 |
// a proper [0 .. 1] value.
|
|
929 |
r.r = (s.r * cov + d.r * icov) >> 8;
|
|
930 |
r.g = (s.g * cov + d.g * icov) >> 8;
|
|
931 |
r.b = (s.b * cov + d.b * icov) >> 8;
|
|
932 |
r.a = (s.a * cov + d.a * icov) >> 8;
|
|
933 |
|
|
934 |
RI_ASSERT(r.r <= 255 && r.g <= 255 && r.b <= 255 && r.a <= 255);
|
|
935 |
|
|
936 |
return r;
|
|
937 |
}
|
|
938 |
|
|
939 |
/**
|
|
940 |
* \brief Converts color gamma only. Care must be taken concerning luminance color formats.
|
|
941 |
* \return Converted color in "color". This will always be unpremultiplied if gamma conversion
|
|
942 |
* takes place, i.e, tries to minimize the amount of further conversions.
|
|
943 |
*/
|
|
944 |
RI_INLINE static void maybeGammaConvert(const Color::Descriptor& srcDesc, const Color::Descriptor& dstDesc, IntegerColor& color, bool inputPremultiplied)
|
|
945 |
{
|
|
946 |
if (needGammaConvert(srcDesc, dstDesc))
|
|
947 |
{
|
|
948 |
if (inputPremultiplied)
|
|
949 |
color.unpremultiply();
|
|
950 |
//color.unpremultiply(srcDesc.isLuminance());
|
|
951 |
|
|
952 |
if (dstDesc.isNonlinear())
|
|
953 |
color.linearToGamma();
|
|
954 |
else
|
|
955 |
color.gammaToLinear();
|
|
956 |
}
|
|
957 |
// Output always unpremultiplied if gamma conversion takes place
|
|
958 |
}
|
|
959 |
|
|
960 |
/**
|
|
961 |
* \brief Integer pixel-pipeline.
|
|
962 |
* \note See internal_formats.txt for info on how the data is passed within the pipeline
|
|
963 |
*/
|
|
964 |
RI_INLINE static void intPixelPipe(const PixelPipe::SignatureState& signatureState, const PixelPipe::PPUniforms &uniforms, PixelPipe::PPVariants& variants)
|
|
965 |
{
|
|
966 |
const RIuint32 ppMaxCoverage = Rasterizer::MAX_COVERAGE << (8 - Rasterizer::SAMPLE_BITS);
|
|
967 |
RIuint32 coverage = variants.coverage << (8 - Rasterizer::SAMPLE_BITS);
|
|
968 |
IntegerColor out;
|
|
969 |
IntegerColor imageColor; // imagemode != normal
|
|
970 |
const Color::Descriptor& dstDesc = signatureState.dstDesc;
|
|
971 |
const Color::Descriptor& patternDesc = signatureState.patternDesc;
|
|
972 |
const Color::Descriptor& imageDesc = signatureState.imageDesc;
|
|
973 |
|
|
974 |
if (!PixelPipe::isImageOnly(signatureState))
|
|
975 |
{
|
|
976 |
switch(signatureState.paintType)
|
|
977 |
{
|
|
978 |
case VG_PAINT_TYPE_COLOR:
|
|
979 |
out = uniforms.solidColor;
|
|
980 |
break;
|
|
981 |
case VG_PAINT_TYPE_LINEAR_GRADIENT:
|
|
982 |
out = intLinearGradient(signatureState, uniforms, variants);
|
|
983 |
variants.sx += uniforms.dgdx;
|
|
984 |
// \todo Optimize this so that the lookup is in premultiplied dst format!
|
|
985 |
// How about image-operations?
|
|
986 |
if ((signatureState.imageMode != VG_DRAW_IMAGE_MULTIPLY) && dstDesc.isLuminance())
|
|
987 |
{
|
|
988 |
out.fullRGBToLuminance(true, dstDesc.isNonlinear(), true, dstDesc.isNonlinear());
|
|
989 |
}
|
|
990 |
break;
|
|
991 |
case VG_PAINT_TYPE_RADIAL_GRADIENT:
|
|
992 |
out = intRadialGradient(signatureState, uniforms, variants);
|
|
993 |
variants.rx += uniforms.rdxdx;
|
|
994 |
variants.ry += uniforms.rdydx;
|
|
995 |
|
|
996 |
// \todo Optimize this so that the lookup is in premultiplied dst format!
|
|
997 |
if ((signatureState.imageMode != VG_DRAW_IMAGE_MULTIPLY) && dstDesc.isLuminance())
|
|
998 |
{
|
|
999 |
out.fullRGBToLuminance(true, dstDesc.isNonlinear(), true, dstDesc.isNonlinear());
|
|
1000 |
}
|
|
1001 |
break;
|
|
1002 |
default:
|
|
1003 |
RI_ASSERT(signatureState.paintType == VG_PAINT_TYPE_PATTERN);
|
|
1004 |
out = intPattern(signatureState, uniforms, variants);
|
|
1005 |
// color-space == pattern color-space, not always premultiplied, expanded
|
|
1006 |
//
|
|
1007 |
// \todo Only increment the proper pixel-counters. This requires detecting the
|
|
1008 |
// transform type before generating the pixel-pipeline.
|
|
1009 |
// \note Implement fastpaths for at least identity transform with image edges coinciding
|
|
1010 |
// with the pixel edges. <- This has been done for images.
|
|
1011 |
variants.sx += uniforms.paint_dxdx;
|
|
1012 |
variants.sy += uniforms.paint_dydx;
|
|
1013 |
|
|
1014 |
if (!patternDesc.hasAlpha())
|
|
1015 |
out.a = 255;
|
|
1016 |
|
|
1017 |
if (!signatureState.hasImage)
|
|
1018 |
{
|
|
1019 |
out = maybeColorTransform(signatureState, out, uniforms.colorTransformValues, patternDesc.isNonlinear());
|
|
1020 |
const bool tmpPre = patternPremultipliedAfterSampling(signatureState) && !signatureState.hasColorTransform;
|
|
1021 |
const bool outLuminance = !signatureState.hasColorTransform && imageDesc.isLuminance();
|
|
1022 |
|
|
1023 |
if (outLuminance != dstDesc.isLuminance())
|
|
1024 |
{
|
|
1025 |
if (outLuminance)
|
|
1026 |
out.fullLuminanceToRGB(tmpPre, patternDesc.isNonlinear(), tmpPre, patternDesc.isNonlinear());
|
|
1027 |
else
|
|
1028 |
out.fullRGBToLuminance(tmpPre, patternDesc.isNonlinear(), tmpPre, patternDesc.isNonlinear());
|
|
1029 |
}
|
|
1030 |
maybeGammaConvert(patternDesc, dstDesc, out, tmpPre);
|
|
1031 |
}
|
|
1032 |
|
|
1033 |
break;
|
|
1034 |
}
|
|
1035 |
}
|
|
1036 |
|
|
1037 |
if (signatureState.hasImage)
|
|
1038 |
{
|
|
1039 |
switch (signatureState.imageGradientType)
|
|
1040 |
{
|
|
1041 |
case PixelPipe::GRADIENT_TYPE_INTEGER:
|
|
1042 |
{
|
|
1043 |
void* addr = Image::calculateAddress(uniforms.imagePtr, imageDesc.bitsPerPixel, variants.iImageX, variants.iImageY, uniforms.imageStride);
|
|
1044 |
RIuint32 packedImageColor = Image::readPackedPixelFromAddress(addr, imageDesc.bitsPerPixel, variants.iImageX);
|
|
1045 |
imageColor.fromPackedColor(packedImageColor, imageDesc);
|
|
1046 |
imageColor.expandColor(imageDesc);
|
|
1047 |
// color-space == image color-space, not always premultiplied, expanded
|
|
1048 |
|
|
1049 |
// Only integer image-gradient can have unsafe image data as an input at the moment.
|
|
1050 |
if (signatureState.unsafeImageInput)
|
|
1051 |
{
|
|
1052 |
if (imageDesc.hasAlpha() && imageDesc.isPremultiplied())
|
|
1053 |
imageColor.clampToAlpha();
|
|
1054 |
}
|
|
1055 |
|
|
1056 |
variants.iImageX += uniforms.image_idxdx;
|
|
1057 |
variants.iImageY += uniforms.image_idydx;
|
|
1058 |
break;
|
|
1059 |
}
|
|
1060 |
case PixelPipe::GRADIENT_TYPE_FIXED:
|
|
1061 |
{
|
|
1062 |
RI_ASSERT(!signatureState.unsafeImageInput);
|
|
1063 |
|
|
1064 |
RIint32 sx, sy;
|
|
1065 |
sx = variants.iImageX;
|
|
1066 |
sy = variants.iImageY;
|
|
1067 |
applyPatternRepeat(sx, sy, PixelPipe::TILING_MODE_PAD);
|
|
1068 |
sx = gradientToFixedCoords(sx, uniforms.image_iWidth);
|
|
1069 |
sy = gradientToFixedCoords(sy, uniforms.image_iHeight);
|
|
1070 |
imageColor = intSampleImage(
|
|
1071 |
uniforms.imagePtr,
|
|
1072 |
uniforms.imageStride,
|
|
1073 |
uniforms.image_iWidth,
|
|
1074 |
uniforms.image_iHeight,
|
|
1075 |
imageDesc,
|
|
1076 |
sx, sy, signatureState.imageSampler, PixelPipe::TILING_MODE_PAD, NULL);
|
|
1077 |
|
|
1078 |
variants.iImageX += uniforms.image_idxdx;
|
|
1079 |
variants.iImageY += uniforms.image_idydx;
|
|
1080 |
break;
|
|
1081 |
}
|
|
1082 |
default:
|
|
1083 |
{
|
|
1084 |
RI_ASSERT(signatureState.imageGradientType == PixelPipe::GRADIENT_TYPE_FLOAT);
|
|
1085 |
RI_ASSERT(!signatureState.unsafeImageInput);
|
|
1086 |
|
|
1087 |
RIfloat fx, fy, fw, rw;
|
|
1088 |
fx = variants.fImageX;
|
|
1089 |
fy = variants.fImageY;
|
|
1090 |
fw = variants.fImageW;
|
|
1091 |
rw = 1.0f / fw;
|
|
1092 |
RIint32 sx0, sy0;
|
|
1093 |
fx = RI_CLAMP(fx * rw, 0.0f, uniforms.image_fWidth - 1.0f); // \todo fImageMaxX
|
|
1094 |
fy = RI_CLAMP(fy * rw, 0.0f, uniforms.image_fHeight - 1.0f);
|
|
1095 |
sx0 = RI_ROUND_TO_INT(fx * (1<<PixelPipe::SAMPLE_BITS));
|
|
1096 |
sy0 = RI_ROUND_TO_INT(fy * (1<<PixelPipe::SAMPLE_BITS));
|
|
1097 |
|
|
1098 |
imageColor = intSampleImage(
|
|
1099 |
uniforms.imagePtr,
|
|
1100 |
uniforms.imageStride,
|
|
1101 |
uniforms.image_iWidth,
|
|
1102 |
uniforms.image_iHeight,
|
|
1103 |
imageDesc,
|
|
1104 |
sx0, sy0, signatureState.imageSampler, PixelPipe::TILING_MODE_PAD, NULL);
|
|
1105 |
|
|
1106 |
variants.fImageX += uniforms.image_fdxdx;
|
|
1107 |
variants.fImageY += uniforms.image_fdydx;
|
|
1108 |
variants.fImageW += uniforms.image_fdwdx;
|
|
1109 |
break;
|
|
1110 |
}
|
|
1111 |
}
|
|
1112 |
|
|
1113 |
if (!imageDesc.hasAlpha())
|
|
1114 |
imageColor.a = 255;
|
|
1115 |
|
|
1116 |
if (PixelPipe::isImageOnly(signatureState))
|
|
1117 |
{
|
|
1118 |
RI_ASSERT(signatureState.imageMode == VG_DRAW_IMAGE_NORMAL);
|
|
1119 |
out = maybeColorTransform(signatureState, imageColor, uniforms.colorTransformValues, imageDesc.isNonlinear());
|
|
1120 |
|
|
1121 |
const bool tmpPre = imagePremultipliedAfterSampling(signatureState) && !signatureState.hasColorTransform;
|
|
1122 |
const bool outLuminance = !signatureState.hasColorTransform && imageDesc.isLuminance();
|
|
1123 |
|
|
1124 |
// Color-format conversion to dst before blending.
|
|
1125 |
if (outLuminance != dstDesc.isLuminance())
|
|
1126 |
{
|
|
1127 |
if (outLuminance)
|
|
1128 |
out.fullLuminanceToRGB(tmpPre, imageDesc.isNonlinear(), tmpPre, imageDesc.isNonlinear());
|
|
1129 |
else
|
|
1130 |
out.fullRGBToLuminance(tmpPre, imageDesc.isNonlinear(), tmpPre, imageDesc.isNonlinear());
|
|
1131 |
}
|
|
1132 |
maybeGammaConvert(imageDesc, dstDesc, out, tmpPre);
|
|
1133 |
|
|
1134 |
//if (!signatureState.hasColorTransform)
|
|
1135 |
//out.premultiply();
|
|
1136 |
}
|
|
1137 |
else
|
|
1138 |
{
|
|
1139 |
RI_ASSERT(signatureState.imageMode != VG_DRAW_IMAGE_NORMAL);
|
|
1140 |
|
|
1141 |
if (!imagePremultipliedAfterSampling(signatureState))
|
|
1142 |
imageColor.premultiply();
|
|
1143 |
|
|
1144 |
if (signatureState.imageMode == VG_DRAW_IMAGE_MULTIPLY)
|
|
1145 |
{
|
|
1146 |
if (signatureState.paintType == VG_PAINT_TYPE_PATTERN &&
|
|
1147 |
!patternPremultipliedAfterSampling(signatureState))
|
|
1148 |
{
|
|
1149 |
out.premultiply();
|
|
1150 |
}
|
|
1151 |
|
|
1152 |
out.r = cMul(out.r, imageColor.r);
|
|
1153 |
out.g = cMul(out.g, imageColor.g);
|
|
1154 |
out.b = cMul(out.b, imageColor.b);
|
|
1155 |
out.a = cMul(out.a, imageColor.a);
|
|
1156 |
|
|
1157 |
out = maybeColorTransform(signatureState, out, uniforms.colorTransformValues, imageDesc.isNonlinear());
|
|
1158 |
//const bool outLuminance = !signatureState.hasColorTransform && imageDesc.isLuminance();
|
|
1159 |
// Color transform will always result in RGB, regardless of input.
|
|
1160 |
const bool outLuminance = (imageDesc.isLuminance() && !paintInRGB(signatureState)) && !signatureState.hasColorTransform;
|
|
1161 |
if (!outLuminance && dstDesc.isLuminance())
|
|
1162 |
{
|
|
1163 |
// Convert to destination (luminance)
|
|
1164 |
out.fullRGBToLuminance(!signatureState.hasColorTransform, imageDesc.isNonlinear(), true, dstDesc.isNonlinear());
|
|
1165 |
}
|
|
1166 |
else if (imageDesc.isNonlinear() != dstDesc.isNonlinear())
|
|
1167 |
{
|
|
1168 |
// Non-luminance gamma
|
|
1169 |
if (!signatureState.hasColorTransform)
|
|
1170 |
out.unpremultiply();
|
|
1171 |
|
|
1172 |
if (dstDesc.isNonlinear())
|
|
1173 |
out.linearToGamma();
|
|
1174 |
else
|
|
1175 |
out.gammaToLinear();
|
|
1176 |
|
|
1177 |
out.premultiply();
|
|
1178 |
}
|
|
1179 |
else if (signatureState.hasColorTransform)
|
|
1180 |
out.premultiply();
|
|
1181 |
|
|
1182 |
// Output dst and premultiplied.
|
|
1183 |
}
|
|
1184 |
else
|
|
1185 |
{
|
|
1186 |
RI_ASSERT(signatureState.imageMode == VG_DRAW_IMAGE_STENCIL);
|
|
1187 |
IntegerColor alphas, pr;
|
|
1188 |
|
|
1189 |
if (signatureState.paintType == VG_PAINT_TYPE_PATTERN)
|
|
1190 |
{
|
|
1191 |
out = maybeColorTransform(signatureState, out, uniforms.colorTransformValues, patternDesc.isNonlinear());
|
|
1192 |
const bool isLuminance = patternDesc.isLuminance() && !signatureState.hasColorTransform;
|
|
1193 |
// If using pattern, convert to destination color-space
|
|
1194 |
// \todo If not, handle this when the lookups are generated.
|
|
1195 |
if (isLuminance != dstDesc.isLuminance())
|
|
1196 |
{
|
|
1197 |
out.fullRGBToLuminance(patternPremultipliedAfterSampling(signatureState) && !signatureState.hasColorTransform, patternDesc.isNonlinear(), true, dstDesc.isNonlinear());
|
|
1198 |
}
|
|
1199 |
else if (patternDesc.isNonlinear() != dstDesc.isNonlinear())
|
|
1200 |
{
|
|
1201 |
if (patternPremultipliedAfterSampling(signatureState) && !signatureState.hasColorTransform)
|
|
1202 |
out.unpremultiply();
|
|
1203 |
|
|
1204 |
if (dstDesc.isNonlinear())
|
|
1205 |
out.linearToGamma();
|
|
1206 |
else
|
|
1207 |
out.gammaToLinear();
|
|
1208 |
|
|
1209 |
out.premultiply();
|
|
1210 |
} else if (signatureState.hasColorTransform || !patternPremultipliedAfterSampling(signatureState))
|
|
1211 |
out.premultiply();
|
|
1212 |
}
|
|
1213 |
|
|
1214 |
if (dstDesc.isLuminance() && !imageDesc.isLuminance())
|
|
1215 |
{
|
|
1216 |
// Convert image to luminance
|
|
1217 |
imageColor.rgbToLuminance();
|
|
1218 |
imageColor.r = imageColor.b = imageColor.b = RI_INT_MIN(imageColor.r, imageColor.a);
|
|
1219 |
}
|
|
1220 |
|
|
1221 |
#if defined(RI_DEBUG) && 0
|
|
1222 |
printf("stencil r: %d, g: %d, b: %d, a: %d\n",imageColor.r,imageColor.g,imageColor.b,imageColor.a);
|
|
1223 |
printf("input r: %d, g: %d, b: %d, a: %d\n",out.r,out.g,out.b,out.a);
|
|
1224 |
#endif
|
|
1225 |
if (signatureState.paintType == VG_PAINT_TYPE_COLOR)
|
|
1226 |
{
|
|
1227 |
// Better precision for solid color input.
|
|
1228 |
// Compute alpha channels
|
|
1229 |
alphas.r = rMul(out.a, imageColor.r);
|
|
1230 |
alphas.g = rMul(out.a, imageColor.g);
|
|
1231 |
alphas.b = rMul(out.a, imageColor.b);
|
|
1232 |
// Premultiply
|
|
1233 |
pr.r = rMul(out.r, imageColor.r);
|
|
1234 |
pr.g = rMul(out.g, imageColor.g);
|
|
1235 |
pr.b = rMul(out.b, imageColor.b);
|
|
1236 |
pr.a = rMul(out.a, imageColor.a);
|
|
1237 |
}
|
|
1238 |
else
|
|
1239 |
{
|
|
1240 |
// Compute alpha channels
|
|
1241 |
alphas.r = cMul(out.a, imageColor.r);
|
|
1242 |
alphas.g = cMul(out.a, imageColor.g);
|
|
1243 |
alphas.b = cMul(out.a, imageColor.b);
|
|
1244 |
// Premultiply
|
|
1245 |
pr.r = cMul(out.r, imageColor.r);
|
|
1246 |
pr.g = cMul(out.g, imageColor.g);
|
|
1247 |
pr.b = cMul(out.b, imageColor.b);
|
|
1248 |
pr.a = cMul(out.a, imageColor.a);
|
|
1249 |
}
|
|
1250 |
#if defined(RI_DEBUG) && 0
|
|
1251 |
printf("alphas r: %d, g: %d, b: %d, a: %d\n",alphas.r,alphas.g,alphas.b,alphas.a);
|
|
1252 |
printf("pr r: %d, g: %d, b: %d, a: %d\n",pr.r,pr.g,pr.b,pr.a);
|
|
1253 |
#endif
|
|
1254 |
out = pr;
|
|
1255 |
imageColor = alphas;
|
|
1256 |
}
|
|
1257 |
}
|
|
1258 |
}
|
|
1259 |
|
|
1260 |
if (signatureState.hasMasking)
|
|
1261 |
{
|
|
1262 |
// \todo Read and process only the proper component of the mask pixel.
|
|
1263 |
const int maskBpp = signatureState.maskDesc.bitsPerPixel;
|
|
1264 |
|
|
1265 |
RIuint32 packedMaskColor = Image::readPackedPixelFromAddress(variants.maskPtr, maskBpp, variants.dstX);
|
|
1266 |
IntegerColor maskColor;
|
|
1267 |
maskColor.fromPackedMask(packedMaskColor, signatureState.maskDesc);
|
|
1268 |
maskColor.expandMask(signatureState.maskDesc);
|
|
1269 |
|
|
1270 |
RIuint32 maskCoverage = maskColor.a + (maskColor.a >> 7);
|
|
1271 |
coverage = (coverage * maskCoverage) >> 8;
|
|
1272 |
|
|
1273 |
variants.maskPtr = (void*)Image::incrementPointer(variants.maskPtr, maskBpp, variants.dstX);
|
|
1274 |
}
|
|
1275 |
|
|
1276 |
#if defined(RI_DEBUG)
|
|
1277 |
IntegerColor preblend = out;
|
|
1278 |
#endif
|
|
1279 |
// \todo Coverage check for pixelpipes != solid color with solid output colors?
|
|
1280 |
|
|
1281 |
IntegerColor d(0,0,0,0);
|
|
1282 |
|
|
1283 |
// All operations that depend on DST are done next. Keep it organized like that.
|
|
1284 |
if ((coverage < ppMaxCoverage) || (out.a < 255) || alwaysLoadDst(signatureState))
|
|
1285 |
{
|
|
1286 |
d = IntegerColor(Image::readPackedPixelFromAddress(
|
|
1287 |
variants.dst, dstDesc.bitsPerPixel, variants.dstX), dstDesc);
|
|
1288 |
d.expandColor(dstDesc);
|
|
1289 |
|
|
1290 |
if (!dstDesc.isPremultiplied())
|
|
1291 |
{
|
|
1292 |
d.premultiply();
|
|
1293 |
}
|
|
1294 |
|
|
1295 |
// Premultiply output
|
|
1296 |
#if 0
|
|
1297 |
if (!PixelPipe::isImageOnly(signatureState))
|
|
1298 |
{
|
|
1299 |
if (signatureState.paintType == VG_PAINT_TYPE_PATTERN && !patternPremultipliedAfterSampling(signatureState))
|
|
1300 |
out.premultiply();
|
|
1301 |
else if (signatureState.hasImage && !imagePremultipliedAfterSampling(signatureState))
|
|
1302 |
out.premultiply();
|
|
1303 |
}
|
|
1304 |
#endif
|
|
1305 |
|
|
1306 |
if (!signatureState.isRenderToMask)
|
|
1307 |
{
|
|
1308 |
VGBlendMode bm = signatureState.blendMode;
|
|
1309 |
|
|
1310 |
// Currently SRC requires premultiplication even when only applying coverage.
|
|
1311 |
//if (bm != VG_BLEND_SRC)
|
|
1312 |
{
|
|
1313 |
// If the src color has not been premultiplied before, now's the time.
|
|
1314 |
// \todo Fast path for src alpha == 255 and SRC_OVER? Others?
|
|
1315 |
if (preBlendPremultiplication(signatureState))
|
|
1316 |
out.premultiply();
|
|
1317 |
}
|
|
1318 |
|
|
1319 |
if (signatureState.hasImage && signatureState.imageMode == VG_DRAW_IMAGE_STENCIL)
|
|
1320 |
{
|
|
1321 |
out = blendIntegerStencil(out, imageColor, d, bm);
|
|
1322 |
}
|
|
1323 |
else
|
|
1324 |
{
|
|
1325 |
switch(bm)
|
|
1326 |
{
|
|
1327 |
case VG_BLEND_SRC_OVER:
|
|
1328 |
out = srcOverCoverage(out, d, coverage);
|
|
1329 |
break;
|
|
1330 |
case VG_BLEND_SRC:
|
|
1331 |
out = srcCoverage(out, d, coverage);
|
|
1332 |
break;
|
|
1333 |
default:
|
|
1334 |
out = blendIntegerColors(out, d, bm);
|
|
1335 |
out = srcCoverage(out, d, coverage);
|
|
1336 |
break;
|
|
1337 |
}
|
|
1338 |
}
|
|
1339 |
|
|
1340 |
#if defined(RI_DEBUG)
|
|
1341 |
if (dstDesc.isPremultiplied())
|
|
1342 |
{
|
|
1343 |
RI_ASSERT(out.r <= out.a);
|
|
1344 |
RI_ASSERT(out.g <= out.a);
|
|
1345 |
RI_ASSERT(out.b <= out.a);
|
|
1346 |
}
|
|
1347 |
#endif
|
|
1348 |
|
|
1349 |
}
|
|
1350 |
else
|
|
1351 |
{
|
|
1352 |
// Mask operation
|
|
1353 |
out = intMaskOperation(coverage, d, signatureState.maskOperation);
|
|
1354 |
}
|
|
1355 |
|
|
1356 |
// out is always premultiplied at this point. Must be in destination color-space
|
|
1357 |
if (!dstDesc.isPremultiplied())
|
|
1358 |
{
|
|
1359 |
// Unpremultiply if output is not premultiplied
|
|
1360 |
out.unpremultiply();
|
|
1361 |
}
|
|
1362 |
}
|
|
1363 |
else
|
|
1364 |
{
|
|
1365 |
// Unpremultiply, ...
|
|
1366 |
if (!dstDesc.isPremultiplied())
|
|
1367 |
out.unpremultiply();
|
|
1368 |
}
|
|
1369 |
|
|
1370 |
// VG_SET_MASK does not require dst load:
|
|
1371 |
if (signatureState.isRenderToMask && signatureState.maskOperation == VG_SET_MASK)
|
|
1372 |
out = intMaskOperation(coverage, d, VG_SET_MASK);
|
|
1373 |
|
|
1374 |
out.truncateColor(dstDesc);
|
|
1375 |
Image::writePackedPixelToAddress(
|
|
1376 |
variants.dst, dstDesc.bitsPerPixel, variants.dstX, out.getPackedColor(dstDesc));
|
|
1377 |
|
|
1378 |
// \todo X for bpp < 8
|
|
1379 |
variants.dst = (void*)Image::incrementPointer(variants.dst, dstDesc.bitsPerPixel, variants.dstX);
|
|
1380 |
//variants.dst = colorBuffer->advancePointer(variants.dst);
|
|
1381 |
variants.dstX++;
|
|
1382 |
}
|
|
1383 |
|
|
1384 |
RI_INLINE static void fillSolidSpan(const PixelPipe::SignatureState& state, const PixelPipe::PPUniforms& uniforms, int startX, int y, int nPixels, RIuint32 packedColor)
|
|
1385 |
{
|
|
1386 |
Image::fillPackedPixels((void*)uniforms.dstPtr, state.dstDesc.bitsPerPixel, startX, y, uniforms.dstStride, nPixels, packedColor);
|
|
1387 |
}
|
|
1388 |
|
|
1389 |
/**
|
|
1390 |
* \brief This will calculate all the pixel-pipeline variants that need to be updated per-pixel.
|
|
1391 |
* \note There may be a need for a different, faster function for image rendering, where
|
|
1392 |
* there are faster methods of updating the variants.
|
|
1393 |
*/
|
|
1394 |
RI_INLINE static void prepareSpanVariants(const PixelPipe::SignatureState& state, const PixelPipe::PPUniforms& uniforms, const Span& span, PixelPipe::PPVariants& variants)
|
|
1395 |
{
|
|
1396 |
//variants.dst = uniforms.dst->calculateAddress(span.x0, span.y);
|
|
1397 |
variants.dst = Image::calculateAddress(uniforms.dstPtr, state.dstDesc.bitsPerPixel, span.x0, span.y, uniforms.dstStride);
|
|
1398 |
variants.dstX = span.x0;
|
|
1399 |
variants.coverage = span.coverage;
|
|
1400 |
|
|
1401 |
if (state.paintType != VG_PAINT_TYPE_COLOR)
|
|
1402 |
{
|
|
1403 |
if (state.paintType == VG_PAINT_TYPE_LINEAR_GRADIENT)
|
|
1404 |
{
|
|
1405 |
// \todo Adjust pixel-center.
|
|
1406 |
int x = uniforms.dgdx * span.x0 + uniforms.dgdy * span.y + uniforms.lgc;
|
|
1407 |
variants.sx = x;
|
|
1408 |
}
|
|
1409 |
else if (state.paintType == VG_PAINT_TYPE_RADIAL_GRADIENT)
|
|
1410 |
{
|
|
1411 |
RGScalar x = uniforms.rdxdx * (RGScalar)span.x0 + uniforms.rdxdy * (RGScalar)span.y;
|
|
1412 |
RGScalar y = uniforms.rdydy * (RGScalar)span.y + uniforms.rdydx * (RGScalar)span.x0;
|
|
1413 |
|
|
1414 |
variants.rx = x + uniforms.rx0;
|
|
1415 |
variants.ry = y + uniforms.ry0;
|
|
1416 |
}
|
|
1417 |
else
|
|
1418 |
{
|
|
1419 |
RI_ASSERT(state.paintType == VG_PAINT_TYPE_PATTERN);
|
|
1420 |
variants.sx = uniforms.paint_dxdx * span.x0 + uniforms.paint_dxdy * span.y + uniforms.paint_x0;
|
|
1421 |
variants.sy = uniforms.paint_dydy * span.y + uniforms.paint_dydx * span.x0 + uniforms.paint_y0;
|
|
1422 |
}
|
|
1423 |
}
|
|
1424 |
|
|
1425 |
if (state.hasMasking)
|
|
1426 |
{
|
|
1427 |
variants.maskPtr = Image::calculateAddress(uniforms.maskPtr, state.maskDesc.bitsPerPixel, span.x0, span.y, uniforms.maskStride);
|
|
1428 |
}
|
|
1429 |
|
|
1430 |
if (state.hasImage)
|
|
1431 |
{
|
|
1432 |
switch (state.imageGradientType)
|
|
1433 |
{
|
|
1434 |
case PixelPipe::GRADIENT_TYPE_INTEGER:
|
|
1435 |
case PixelPipe::GRADIENT_TYPE_FIXED:
|
|
1436 |
variants.iImageX = uniforms.image_ix0 + span.x0 * uniforms.image_idxdx + span.y * uniforms.image_idxdy;
|
|
1437 |
variants.iImageY = uniforms.image_iy0 + span.y * uniforms.image_idydy + span.x0 * uniforms.image_idydx;
|
|
1438 |
break;
|
|
1439 |
default:
|
|
1440 |
RI_ASSERT(state.imageGradientType == PixelPipe::GRADIENT_TYPE_FLOAT);
|
|
1441 |
variants.fImageX = uniforms.image_fx0 + span.x0 * uniforms.image_fdxdx + span.y * uniforms.image_fdxdy;
|
|
1442 |
variants.fImageY = uniforms.image_fy0 + span.y * uniforms.image_fdydy + span.x0 * uniforms.image_fdydx;
|
|
1443 |
variants.fImageW = uniforms.image_fw0 + span.x0 * uniforms.image_fdwdx + span.y * uniforms.image_fdwdy;
|
|
1444 |
break;
|
|
1445 |
}
|
|
1446 |
}
|
|
1447 |
}
|
|
1448 |
|
|
1449 |
void executePixelPipeline(const PixelPipe::SignatureState& state, const PixelPipe::PPUniforms& uniforms, PixelPipe::PPVariants& variants, const Span* spans, int nSpans)
|
|
1450 |
{
|
|
1451 |
RI_ASSERT(nSpans > 0);
|
|
1452 |
for (int i = 0; i < nSpans; i++)
|
|
1453 |
{
|
|
1454 |
const Span& s = spans[i];
|
|
1455 |
|
|
1456 |
if (s.coverage != Rasterizer::MAX_COVERAGE || !canSolidFill(state))
|
|
1457 |
{
|
|
1458 |
int n = s.len;
|
|
1459 |
RI_ASSERT(n);
|
|
1460 |
prepareSpanVariants(state, uniforms, s, variants);
|
|
1461 |
|
|
1462 |
do {
|
|
1463 |
intPixelPipe(state, uniforms, variants);
|
|
1464 |
} while (--n);
|
|
1465 |
} else
|
|
1466 |
{
|
|
1467 |
fillSolidSpan(state, uniforms, s.x0, s.y, s.len, uniforms.packedSolidColor);
|
|
1468 |
}
|
|
1469 |
}
|
|
1470 |
|
|
1471 |
}
|
|
1472 |
|
|
1473 |
void calculatePPHash(PixelPipeHash& hash, const PixelPipe::SignatureState& derivedState)
|
|
1474 |
{
|
|
1475 |
const RIuint32 blendModeBits = 4;
|
|
1476 |
const RIuint32 imageModeBits = 2;
|
|
1477 |
const RIuint32 paintTypeBits = 2;
|
|
1478 |
const RIuint32 tilingModeBits = 2;
|
|
1479 |
const RIuint32 samplerBits = 1;
|
|
1480 |
const RIuint32 imageGradientTypeBits = 2;
|
|
1481 |
const RIuint32 boolBits = 1;
|
|
1482 |
const RIuint32 descBits = 10;
|
|
1483 |
const RIuint32 maskOperationBits = 3;
|
|
1484 |
|
|
1485 |
RIuint32 blendMode = ((RIuint32)derivedState.blendMode) - ((RIuint32)VG_BLEND_SRC);
|
|
1486 |
RIuint32 imageMode = ((RIuint32)derivedState.imageMode) - ((RIuint32)VG_DRAW_IMAGE_NORMAL);
|
|
1487 |
RIuint32 paintType = ((RIuint32)derivedState.paintType) - ((RIuint32)VG_PAINT_TYPE_COLOR);
|
|
1488 |
RIuint32 maskOperation = ((RIuint32)derivedState.maskOperation) - ((RIuint32)VG_CLEAR_MASK);
|
|
1489 |
RIuint32 paintTilingMode = ((RIuint32)derivedState.paintTilingMode);
|
|
1490 |
RIuint32 paintSampler = ((RIuint32)derivedState.paintSampler);
|
|
1491 |
RIuint32 imageSampler = ((RIuint32)derivedState.imageSampler);
|
|
1492 |
|
|
1493 |
RIuint32 imageGradientType = ((RIuint32)derivedState.imageGradientType);
|
|
1494 |
|
|
1495 |
RIuint32 dstFormat = (RIuint32)(derivedState.dstDesc.toIndex());
|
|
1496 |
RIuint32 maskFormat = (RIuint32)(derivedState.maskDesc.toIndex());
|
|
1497 |
RIuint32 imageFormat = (RIuint32)(derivedState.imageDesc.toIndex());
|
|
1498 |
RIuint32 patternFormat = (RIuint32)(derivedState.patternDesc.toIndex());
|
|
1499 |
|
|
1500 |
RIuint32 hasMasking = derivedState.hasMasking ? 1 : 0;
|
|
1501 |
RIuint32 hasImage = derivedState.hasImage ? 1 : 0;
|
|
1502 |
RIuint32 hasColorTransform = derivedState.hasColorTransform ? 1 : 0;
|
|
1503 |
RIuint32 isMaskOperation = derivedState.isRenderToMask ? 1 : 0;
|
|
1504 |
RIuint32 fillColorTransparent = derivedState.fillColorTransparent ? 1 : 0;
|
|
1505 |
RIuint32 unsafeImageInput = derivedState.unsafeImageInput ? 1 : 0;
|
|
1506 |
|
|
1507 |
// Modify hashes according to relevant state:
|
|
1508 |
int b = 0;
|
|
1509 |
b = riInsertBits32(hash.value, sizeof(hash.value), blendMode, blendModeBits, b);
|
|
1510 |
b = riInsertBits32(hash.value, sizeof(hash.value), imageMode, imageModeBits, b);
|
|
1511 |
b = riInsertBits32(hash.value, sizeof(hash.value), paintType, paintTypeBits, b);
|
|
1512 |
b = riInsertBits32(hash.value, sizeof(hash.value), maskOperation, maskOperationBits, b);
|
|
1513 |
b = riInsertBits32(hash.value, sizeof(hash.value), paintTilingMode, tilingModeBits, b);
|
|
1514 |
b = riInsertBits32(hash.value, sizeof(hash.value), paintSampler, samplerBits, b);
|
|
1515 |
b = riInsertBits32(hash.value, sizeof(hash.value), imageSampler, samplerBits, b);
|
|
1516 |
|
|
1517 |
b = riInsertBits32(hash.value, sizeof(hash.value), imageGradientType, imageGradientTypeBits, b);
|
|
1518 |
|
|
1519 |
b = riInsertBits32(hash.value, sizeof(hash.value), dstFormat, descBits, b);
|
|
1520 |
b = riInsertBits32(hash.value, sizeof(hash.value), maskFormat, descBits, b);
|
|
1521 |
b = riInsertBits32(hash.value, sizeof(hash.value), imageFormat, descBits, b);
|
|
1522 |
b = riInsertBits32(hash.value, sizeof(hash.value), patternFormat, descBits, b);
|
|
1523 |
|
|
1524 |
b = riInsertBits32(hash.value, sizeof(hash.value), hasMasking, boolBits, b);
|
|
1525 |
b = riInsertBits32(hash.value, sizeof(hash.value), hasImage, boolBits, b);
|
|
1526 |
b = riInsertBits32(hash.value, sizeof(hash.value), hasColorTransform, boolBits, b);
|
|
1527 |
b = riInsertBits32(hash.value, sizeof(hash.value), isMaskOperation, boolBits, b);
|
|
1528 |
b = riInsertBits32(hash.value, sizeof(hash.value), fillColorTransparent, boolBits, b);
|
|
1529 |
b = riInsertBits32(hash.value, sizeof(hash.value), unsafeImageInput, boolBits, b);
|
|
1530 |
}
|
|
1531 |
|
|
1532 |
}
|
|
1533 |
|