mirror of
https://github.com/minetest/irrlicht.git
synced 2024-11-10 04:10:36 +01:00
4fe6a16165
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6364 dfc29bdd-3216-0410-991c-e03cc46cb475
2568 lines
52 KiB
C++
2568 lines
52 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "IrrCompileConfig.h"
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#include "IBurningShader.h"
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#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
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// compile flag for this file
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#undef USE_ZBUFFER
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#undef IPOL_Z
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#undef CMP_Z
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#undef WRITE_Z
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#undef IPOL_W
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#undef CMP_W
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#undef WRITE_W
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#undef SUBTEXEL
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#undef INVERSE_W
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#undef IPOL_C0
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#undef IPOL_T0
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#undef IPOL_T1
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// define render case
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#define SUBTEXEL
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#define INVERSE_W
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#define USE_ZBUFFER
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#define IPOL_W
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#define CMP_W
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#define WRITE_W
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#define IPOL_C0
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#define IPOL_T0
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//#define IPOL_T1
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// apply global override
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#ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT
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#undef INVERSE_W
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#endif
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#ifndef SOFTWARE_DRIVER_2_SUBTEXEL
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#undef SUBTEXEL
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#endif
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#if BURNING_MATERIAL_MAX_COLORS < 1
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#undef IPOL_C0
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#endif
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#if !defined ( SOFTWARE_DRIVER_2_USE_WBUFFER ) && defined ( USE_ZBUFFER )
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#ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT
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#undef IPOL_W
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#endif
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#define IPOL_Z
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#ifdef CMP_W
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#undef CMP_W
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#define CMP_Z
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#endif
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#ifdef WRITE_W
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#undef WRITE_W
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#define WRITE_Z
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#endif
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#endif
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namespace irr
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{
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namespace video
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{
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class CTRTextureBlend : public IBurningShader
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{
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public:
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//! constructor
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CTRTextureBlend(CBurningVideoDriver* driver);
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//! draws an indexed triangle list
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virtual void drawTriangle(const s4DVertex* burning_restrict a, const s4DVertex* burning_restrict b, const s4DVertex* burning_restrict c) IRR_OVERRIDE;
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virtual void OnSetMaterial(const SBurningShaderMaterial& material) IRR_OVERRIDE;
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private:
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// fragment shader
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typedef void (CTRTextureBlend::*tFragmentShader) ();
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void fragment_dst_color_zero ();
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void fragment_dst_color_one ();
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void fragment_dst_color_src_alpha ();
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void fragment_dst_color_one_minus_dst_alpha ();
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void fragment_zero_one_minus_scr_color ();
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void fragment_src_color_src_alpha ();
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void fragment_one_one_minus_src_alpha ();
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void fragment_one_minus_dst_alpha_one();
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void fragment_src_alpha_one();
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void fragment_src_alpha_one_minus_src_alpha();
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tFragmentShader fragmentShader;
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E_COMPARISON_FUNC depth_func;
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};
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//! constructor
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CTRTextureBlend::CTRTextureBlend(CBurningVideoDriver* driver)
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: IBurningShader(driver)
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{
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#ifdef _DEBUG
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setDebugName("CTRTextureBlend");
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#endif
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depth_func = ECFN_LESSEQUAL;
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fragmentShader = &CTRTextureBlend::fragment_dst_color_zero;
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}
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/*!
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*/
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void CTRTextureBlend::OnSetMaterial(const SBurningShaderMaterial& material)
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{
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int showname = 0;
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depth_func = (E_COMPARISON_FUNC)material.org.ZBuffer;
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AlphaRef = 0; // tofix(material.org.MaterialTypeParam, FIX_POINT_COLOR_MAX);
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E_BLEND_FACTOR srcFact,dstFact;
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E_MODULATE_FUNC modulate;
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u32 alphaSrc;
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unpack_textureBlendFunc ( srcFact, dstFact, modulate, alphaSrc, material.org.MaterialTypeParam);
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fragmentShader = 0;
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if ( srcFact == EBF_DST_COLOR && dstFact == EBF_ZERO )
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{
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fragmentShader = &CTRTextureBlend::fragment_dst_color_zero;
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}
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else if ( srcFact == EBF_DST_COLOR && dstFact == EBF_ONE )
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{
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fragmentShader = &CTRTextureBlend::fragment_dst_color_one;
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}
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else if ( srcFact == EBF_DST_COLOR && dstFact == EBF_SRC_ALPHA)
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{
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fragmentShader = &CTRTextureBlend::fragment_dst_color_src_alpha;
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}
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else if ( srcFact == EBF_DST_COLOR && dstFact == EBF_ONE_MINUS_DST_ALPHA)
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{
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fragmentShader = &CTRTextureBlend::fragment_dst_color_one_minus_dst_alpha;
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}
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else if ( srcFact == EBF_ZERO && dstFact == EBF_ONE_MINUS_SRC_COLOR )
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{
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fragmentShader = &CTRTextureBlend::fragment_zero_one_minus_scr_color;
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}
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else if ( srcFact == EBF_ONE && dstFact == EBF_ONE_MINUS_SRC_ALPHA)
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{
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fragmentShader = &CTRTextureBlend::fragment_one_one_minus_src_alpha;
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}
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else if ( srcFact == EBF_ONE_MINUS_DST_ALPHA && dstFact == EBF_ONE )
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{
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fragmentShader = &CTRTextureBlend::fragment_one_minus_dst_alpha_one;
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}
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else if ( srcFact == EBF_SRC_ALPHA && dstFact == EBF_ONE )
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{
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fragmentShader = &CTRTextureBlend::fragment_src_alpha_one;
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}
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else if (srcFact == EBF_SRC_ALPHA && dstFact == EBF_ONE_MINUS_SRC_ALPHA)
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{
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fragmentShader = &CTRTextureBlend::fragment_src_alpha_one_minus_src_alpha;
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}
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else if ( srcFact == EBF_SRC_COLOR && dstFact == EBF_SRC_ALPHA )
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{
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fragmentShader = &CTRTextureBlend::fragment_src_color_src_alpha;
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}
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else
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{
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showname = 1;
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fragmentShader = &CTRTextureBlend::fragment_dst_color_zero;
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}
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static const c8 *n[] =
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{
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"gl_zero",
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"gl_one",
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"gl_dst_color",
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"gl_one_minus_dst_color",
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"gl_src_color",
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"gl_one_minus_src_color",
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"gl_src_alpha",
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"gl_one_minus_src_alpha",
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"gl_dst_alpha",
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"gl_one_minus_dst_alpha",
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"gl_src_alpha_saturate"
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};
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static E_BLEND_FACTOR lsrcFact = EBF_ZERO;
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static E_BLEND_FACTOR ldstFact = EBF_ZERO;
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if ( showname && ( lsrcFact != srcFact || ldstFact != dstFact ) )
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{
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char buf[128];
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snprintf_irr ( buf, 128, "missing shader: %s %s",n[srcFact], n[dstFact] );
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os::Printer::log( buf, ELL_WARNING);
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lsrcFact = srcFact;
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ldstFact = dstFact;
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}
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}
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/*!
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*/
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void CTRTextureBlend::fragment_dst_color_src_alpha ()
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{
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tVideoSample *dst;
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#ifdef USE_ZBUFFER
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fp24 *z;
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#endif
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s32 xStart;
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s32 xEnd;
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s32 dx;
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#ifdef SUBTEXEL
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f32 subPixel;
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#endif
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#ifdef IPOL_Z
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f32 slopeZ;
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#endif
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#ifdef IPOL_W
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fp24 slopeW;
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#endif
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#ifdef IPOL_C0
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sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
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#endif
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#ifdef IPOL_T0
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sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
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#endif
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// apply top-left fill-convention, left
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xStart = fill_convention_left( line.x[0] );
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xEnd = fill_convention_right( line.x[1] );
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dx = xEnd - xStart;
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if ( dx < 0 )
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return;
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// slopes
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const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
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#ifdef IPOL_Z
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slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
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#endif
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#ifdef IPOL_W
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slopeW = (line.w[1] - line.w[0]) * invDeltaX;
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#endif
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#ifdef IPOL_C0
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slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
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#endif
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#ifdef IPOL_T0
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slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
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#endif
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#ifdef IPOL_T1
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slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
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#endif
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#ifdef SUBTEXEL
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subPixel = ( (f32) xStart ) - line.x[0];
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#ifdef IPOL_Z
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line.z[0] += slopeZ * subPixel;
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#endif
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#ifdef IPOL_W
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line.w[0] += slopeW * subPixel;
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#endif
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#ifdef IPOL_C0
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line.c[0][0] += slopeC[0] * subPixel;
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#endif
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#ifdef IPOL_T0
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line.t[0][0] += slopeT[0] * subPixel;
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#endif
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#ifdef IPOL_T1
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line.t[1][0] += slopeT[1] * subPixel;
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#endif
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#endif
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SOFTWARE_DRIVER_2_CLIPCHECK;
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dst = (tVideoSample*)RenderTarget->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
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#ifdef USE_ZBUFFER
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z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
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#endif
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f32 iw = FIX_POINT_F32_MUL;
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tFixPoint a0, r0, g0, b0;
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tFixPoint r1, g1, b1;
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s32 i;
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switch (depth_func)
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{
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default:
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case ECFN_LESSEQUAL:
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for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
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{
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#ifdef CMP_W
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if ( line.w[0] >= z[i] )
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#endif
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{
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#ifdef WRITE_W
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z[i] = line.w[0];
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#endif
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#ifdef INVERSE_W
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iw = fix_inverse32 ( line.w[0] );
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#endif
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getSample_texture ( a0,r0,g0,b0,
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&IT[0],
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tofix(line.t[0][0].x, iw),
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tofix(line.t[0][0].y, iw)
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);
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color_to_fix ( r1, g1, b1, dst[i] );
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dst[i] = fix_to_sample( clampfix_maxcolor ( imulFix_tex2 ( r0, r1 ) ),
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clampfix_maxcolor ( imulFix_tex2 ( g0, g1 ) ),
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clampfix_maxcolor ( imulFix_tex2 ( b0, b1 ) )
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);
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}
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#ifdef IPOL_W
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line.w[0] += slopeW;
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#endif
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#ifdef IPOL_T0
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line.t[0][0] += slopeT[0];
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#endif
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#ifdef IPOL_C0
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line.c[0][0] += slopeC[0];
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#endif
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}
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break;
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case 2:
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for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
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{
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#ifdef CMP_W
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if ( line.w[0] == z[i] )
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#endif
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{
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#ifdef WRITE_W
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z[i] = line.w[0];
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#endif
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#ifdef INVERSE_W
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iw = fix_inverse32 ( line.w[0] );
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#endif
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getSample_texture ( a0,r0,g0,b0,
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&IT[0],
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tofix ( line.t[0][0].x,iw),
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tofix ( line.t[0][0].y,iw)
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);
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color_to_fix ( r1, g1, b1, dst[i] );
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dst[i] = fix_to_sample( clampfix_maxcolor ( imulFix_tex2 ( r0, r1 ) ),
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clampfix_maxcolor ( imulFix_tex2 ( g0, g1 ) ),
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clampfix_maxcolor ( imulFix_tex2 ( b0, b1 ) )
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);
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}
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#ifdef IPOL_W
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line.w[0] += slopeW;
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#endif
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#ifdef IPOL_T0
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line.t[0][0] += slopeT[0];
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#endif
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#ifdef IPOL_C0
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line.c[0][0] += slopeC[0];
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#endif
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}break;
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} // zcompare
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}
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/*!
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*/
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void CTRTextureBlend::fragment_src_color_src_alpha ()
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{
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tVideoSample *dst;
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#ifdef USE_ZBUFFER
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fp24 *z;
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#endif
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s32 xStart;
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s32 xEnd;
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s32 dx;
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#ifdef SUBTEXEL
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f32 subPixel;
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#endif
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#ifdef IPOL_Z
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f32 slopeZ;
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#endif
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#ifdef IPOL_W
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fp24 slopeW;
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#endif
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#ifdef IPOL_C0
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sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
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#endif
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#ifdef IPOL_T0
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sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
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#endif
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// apply top-left fill-convention, left
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xStart = fill_convention_left( line.x[0] );
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xEnd = fill_convention_right( line.x[1] );
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dx = xEnd - xStart;
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if ( dx < 0 )
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return;
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// slopes
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const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
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#ifdef IPOL_Z
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slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
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#endif
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#ifdef IPOL_W
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slopeW = (line.w[1] - line.w[0]) * invDeltaX;
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#endif
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#ifdef IPOL_C0
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slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
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#endif
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#ifdef IPOL_T0
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slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
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#endif
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#ifdef IPOL_T1
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slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
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#endif
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#ifdef SUBTEXEL
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subPixel = ( (f32) xStart ) - line.x[0];
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#ifdef IPOL_Z
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line.z[0] += slopeZ * subPixel;
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#endif
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#ifdef IPOL_W
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line.w[0] += slopeW * subPixel;
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#endif
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#ifdef IPOL_C0
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line.c[0][0] += slopeC[0] * subPixel;
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#endif
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#ifdef IPOL_T0
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line.t[0][0] += slopeT[0] * subPixel;
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#endif
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#ifdef IPOL_T1
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line.t[1][0] += slopeT[1] * subPixel;
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#endif
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#endif
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SOFTWARE_DRIVER_2_CLIPCHECK;
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dst = (tVideoSample*)RenderTarget->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
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#ifdef USE_ZBUFFER
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z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
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#endif
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f32 iw = FIX_POINT_F32_MUL;
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tFixPoint a0, r0, g0, b0;
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tFixPoint r1, g1, b1;
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#ifdef IPOL_C0
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tFixPoint a2,r2, g2, b2;
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#endif
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s32 i;
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switch (depth_func)
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{
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default:
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case ECFN_LESSEQUAL:
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for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
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{
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#ifdef CMP_W
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if ( line.w[0] >= z[i] )
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#endif
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{
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//solves example 08. todo: depth_write.
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#ifdef WRITE_W
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//z[i] = line.w[0];
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#endif
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#ifdef INVERSE_W
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iw = fix_inverse32 ( line.w[0] );
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#endif
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getSample_texture ( a0, r0, g0, b0, &IT[0], tofix ( line.t[0][0].x,iw), tofix ( line.t[0][0].y,iw) );
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#ifdef IPOL_C0
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vec4_to_fix(a2,r2, g2, b2, line.c[0][0], iw);
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//a0 = imulFix(a0, a2); why is vertex color enabled and not vertex_alpha?
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r0 = imulFix_simple(r0, r2);
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g0 = imulFix_simple(g0, g2);
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b0 = imulFix_simple(b0, b2);
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#endif
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color_to_fix ( r1, g1, b1, dst[i] );
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dst[i] = fix_to_sample( clampfix_maxcolor ( imulFix_tex1( r0, r0 ) + imulFix_tex1( r1, a0 ) ),
|
|
clampfix_maxcolor ( imulFix_tex1( g0, g0 ) + imulFix_tex1( g1, a0 ) ),
|
|
clampfix_maxcolor ( imulFix_tex1( b0, b0 ) + imulFix_tex1( b1, a0 ) )
|
|
);
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] == z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
|
|
getSample_texture ( a0,r0,g0,b0,
|
|
&IT[0],
|
|
tofix ( line.t[0][0].x,iw),
|
|
tofix ( line.t[0][0].y,iw)
|
|
);
|
|
|
|
color_to_fix ( r1, g1, b1, dst[i] );
|
|
|
|
dst[i] = fix_to_sample( clampfix_maxcolor ( imulFix_tex2 ( r0, r1 ) ),
|
|
clampfix_maxcolor ( imulFix_tex2 ( g0, g1 ) ),
|
|
clampfix_maxcolor ( imulFix_tex2 ( b0, b1 ) )
|
|
);
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}break;
|
|
|
|
} // zcompare
|
|
|
|
}
|
|
|
|
/*!
|
|
*/
|
|
void CTRTextureBlend::fragment_one_one_minus_src_alpha()
|
|
{
|
|
tVideoSample *dst;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
fp24 *z;
|
|
#endif
|
|
|
|
s32 xStart;
|
|
s32 xEnd;
|
|
s32 dx;
|
|
|
|
|
|
#ifdef SUBTEXEL
|
|
f32 subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_Z
|
|
f32 slopeZ;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
fp24 slopeW;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
|
|
#endif
|
|
|
|
// apply top-left fill-convention, left
|
|
xStart = fill_convention_left( line.x[0] );
|
|
xEnd = fill_convention_right( line.x[1] );
|
|
|
|
dx = xEnd - xStart;
|
|
|
|
if ( dx < 0 )
|
|
return;
|
|
|
|
// slopes
|
|
const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
|
|
|
|
#ifdef IPOL_Z
|
|
slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
slopeW = (line.w[1] - line.w[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
|
|
#endif
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ( (f32) xStart ) - line.x[0];
|
|
#ifdef IPOL_Z
|
|
line.z[0] += slopeZ * subPixel;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW * subPixel;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
line.t[1][0] += slopeT[1] * subPixel;
|
|
#endif
|
|
#endif
|
|
|
|
SOFTWARE_DRIVER_2_CLIPCHECK;
|
|
dst = (tVideoSample*)RenderTarget->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
#endif
|
|
|
|
|
|
f32 iw = FIX_POINT_F32_MUL;
|
|
|
|
tFixPoint a0,r0, g0, b0;
|
|
tFixPoint r1, g1, b1;
|
|
#ifdef IPOL_C0
|
|
tFixPoint r2, g2, b2;
|
|
#endif
|
|
s32 i;
|
|
|
|
switch (depth_func)
|
|
{
|
|
default:
|
|
case ECFN_LESSEQUAL:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] >= z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
|
|
getSample_texture ( a0, r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
a0 = FIX_POINT_ONE - a0;
|
|
|
|
color_to_fix1 ( r1, g1, b1, dst[i] );
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix_to_sample( imulFix ( r0 + imulFix_simple( r1, a0 ), r2 ),
|
|
imulFix ( g0 + imulFix_simple( g1, a0 ), g2 ),
|
|
imulFix ( b0 + imulFix_simple( b1, a0 ), b2 )
|
|
);
|
|
#else
|
|
dst[i] = fix_to_sample( r0 + imulFix_simple( r1, a0 ),
|
|
g0 + imulFix_simple( g1, a0 ),
|
|
b0 + imulFix_simple( b1, a0 )
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] == z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
getSample_texture ( a0, r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
a0 = FIX_POINT_ONE - a0;
|
|
|
|
color_to_fix1 ( r1, g1, b1, dst[i] );
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix_to_sample( imulFix ( r0 + imulFix_simple( r1, a0 ), r2 ),
|
|
imulFix ( g0 + imulFix_simple( g1, a0 ), g2 ),
|
|
imulFix ( b0 + imulFix_simple( b1, a0 ), b2 )
|
|
);
|
|
#else
|
|
dst[i] = fix_to_sample( r0 + imulFix_simple( r1, a0 ),
|
|
g0 + imulFix_simple( g1, a0 ),
|
|
b0 + imulFix_simple( b1, a0 )
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}break;
|
|
|
|
} // zcompare
|
|
|
|
}
|
|
|
|
/*!
|
|
*/
|
|
void CTRTextureBlend::fragment_one_minus_dst_alpha_one ()
|
|
{
|
|
tVideoSample *dst;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
fp24 *z;
|
|
#endif
|
|
|
|
s32 xStart;
|
|
s32 xEnd;
|
|
s32 dx;
|
|
|
|
|
|
#ifdef SUBTEXEL
|
|
f32 subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_Z
|
|
f32 slopeZ;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
fp24 slopeW;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
|
|
#endif
|
|
|
|
// apply top-left fill-convention, left
|
|
xStart = fill_convention_left( line.x[0] );
|
|
xEnd = fill_convention_right( line.x[1] );
|
|
|
|
dx = xEnd - xStart;
|
|
|
|
if ( dx < 0 )
|
|
return;
|
|
|
|
// slopes
|
|
const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
|
|
|
|
#ifdef IPOL_Z
|
|
slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
slopeW = (line.w[1] - line.w[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
|
|
#endif
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ( (f32) xStart ) - line.x[0];
|
|
#ifdef IPOL_Z
|
|
line.z[0] += slopeZ * subPixel;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW * subPixel;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
line.t[1][0] += slopeT[1] * subPixel;
|
|
#endif
|
|
#endif
|
|
|
|
SOFTWARE_DRIVER_2_CLIPCHECK;
|
|
dst = (tVideoSample*)RenderTarget->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
#endif
|
|
|
|
|
|
f32 iw = FIX_POINT_F32_MUL;
|
|
|
|
tFixPoint r0, g0, b0;
|
|
tFixPoint a1, r1, g1, b1;
|
|
#ifdef IPOL_C0
|
|
tFixPoint r2, g2, b2;
|
|
#endif
|
|
s32 i;
|
|
|
|
switch (depth_func)
|
|
{
|
|
default:
|
|
case ECFN_LESSEQUAL:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] >= z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix1 ( a1, r1, g1, b1, dst[i] );
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
a1 = FIX_POINT_ONE - a1;
|
|
dst[i] = fix_to_sample( imulFix (imulFix_simple( r0, a1 ) + r1, r2 ),
|
|
imulFix (imulFix_simple( g0, a1 ) + g1, g2 ),
|
|
imulFix (imulFix_simple( b0, a1 ) + b1, b2 )
|
|
);
|
|
#else
|
|
dst[i] = fix_to_sample(imulFix_simple( r0, a1) + r0,
|
|
imulFix_simple( g0, a1) + g0,
|
|
imulFix_simple( b0, a1) + b0
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] == z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix1 ( a1, r1, g1, b1, dst[i] );
|
|
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
a1 = FIX_POINT_ONE - a1;
|
|
dst[i] = fix_to_sample( imulFix (imulFix_simple( r0, a1 ) + r1, r2 ),
|
|
imulFix (imulFix_simple( g0, a1 ) + g1, g2 ),
|
|
imulFix (imulFix_simple( b0, a1 ) + b1, b2 )
|
|
);
|
|
#else
|
|
dst[i] = fix_to_sample(imulFix_simple( r0, a1) + r0,
|
|
imulFix_simple( g0, a1) + g0,
|
|
imulFix_simple( b0, a1) + b0
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}break;
|
|
|
|
} // zcompare
|
|
|
|
}
|
|
|
|
/*!
|
|
*/
|
|
void CTRTextureBlend::fragment_src_alpha_one ()
|
|
{
|
|
tVideoSample *dst;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
fp24 *z;
|
|
#endif
|
|
|
|
s32 xStart;
|
|
s32 xEnd;
|
|
s32 dx;
|
|
|
|
|
|
#ifdef SUBTEXEL
|
|
f32 subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_Z
|
|
f32 slopeZ;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
fp24 slopeW;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
|
|
#endif
|
|
|
|
// apply top-left fill-convention, left
|
|
xStart = fill_convention_left( line.x[0] );
|
|
xEnd = fill_convention_right( line.x[1] );
|
|
|
|
dx = xEnd - xStart;
|
|
|
|
if ( dx < 0 )
|
|
return;
|
|
|
|
// slopes
|
|
const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
|
|
|
|
#ifdef IPOL_Z
|
|
slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
slopeW = (line.w[1] - line.w[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
|
|
#endif
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ( (f32) xStart ) - line.x[0];
|
|
#ifdef IPOL_Z
|
|
line.z[0] += slopeZ * subPixel;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW * subPixel;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
line.t[1][0] += slopeT[1] * subPixel;
|
|
#endif
|
|
#endif
|
|
|
|
SOFTWARE_DRIVER_2_CLIPCHECK;
|
|
dst = (tVideoSample*)RenderTarget->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
#endif
|
|
|
|
|
|
f32 iw = FIX_POINT_F32_MUL;
|
|
|
|
tFixPoint a0, r0, g0, b0;
|
|
tFixPoint r1, g1, b1;
|
|
#ifdef IPOL_C0
|
|
tFixPoint r2, g2, b2;
|
|
#endif
|
|
s32 i;
|
|
|
|
switch (depth_func)
|
|
{
|
|
default:
|
|
case ECFN_LESSEQUAL:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] >= z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
|
|
getSample_texture ( a0, r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
if ( a0 > 0 )
|
|
{
|
|
fix_color_norm(a0);
|
|
|
|
color_to_fix ( r1, g1, b1, dst[i] );
|
|
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix4_to_sample( a0,
|
|
clampfix_maxcolor (imulFix_simple(r0,a0) + r1),
|
|
clampfix_maxcolor (imulFix_simple(g0,a0) + g1),
|
|
clampfix_maxcolor (imulFix_simple(b0,a0) + b1)
|
|
);
|
|
|
|
/*
|
|
fix_color_norm(a0);
|
|
dst[i] = fix4_to_sample ( a0,
|
|
imulFix ( imulFix_simple ( r0, a0 ) + r1, r2 ),
|
|
imulFix ( imulFix_simple ( g0, a0 ) + g1, g2 ),
|
|
imulFix ( imulFix_simple ( b0, a0 ) + b1, b2 )
|
|
);
|
|
*/
|
|
#else
|
|
dst[i] = fix4_to_sample( a0,
|
|
clampfix_maxcolor (imulFix_simple(r0,a0 ) + r1 ),
|
|
clampfix_maxcolor (imulFix_simple(g0,a0 ) + g1 ),
|
|
clampfix_maxcolor (imulFix_simple(b0,a0 ) + b1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
#ifdef WRITE_W
|
|
//z[i] = line.w[0];
|
|
#endif
|
|
}
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] == z[i] )
|
|
#endif
|
|
{
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
|
|
getSample_texture ( a0, r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
if ( a0 > 0 )
|
|
{
|
|
fix_color_norm(a0);
|
|
|
|
color_to_fix ( r1, g1, b1, dst[i] );
|
|
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix4_to_sample( a0,
|
|
clampfix_maxcolor ( imulFix (imulFix_simple(r0,a0 ) + r1, r2 ) ),
|
|
clampfix_maxcolor ( imulFix (imulFix_simple(g0,a0 ) + g1, g2 ) ),
|
|
clampfix_maxcolor ( imulFix (imulFix_simple(b0,a0 ) + b1, b2 ) )
|
|
);
|
|
|
|
/*
|
|
fix_color_norm(a0);
|
|
dst[i] = fix4_to_sample ( a0,
|
|
imulFix ( imulFix_simple ( r0, a0 ) + r1, r2 ),
|
|
imulFix ( imulFix_simple ( g0, a0 ) + g1, g2 ),
|
|
imulFix ( imulFix_simple ( b0, a0 ) + b1, b2 )
|
|
);
|
|
*/
|
|
#else
|
|
dst[i] = fix4_to_sample( a0,
|
|
clampfix_maxcolor (imulFix_simple(r0,a0 ) + r1 ),
|
|
clampfix_maxcolor (imulFix_simple(g0,a0 ) + g1 ),
|
|
clampfix_maxcolor (imulFix_simple(b0,a0 ) + b1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
}
|
|
}
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}break;
|
|
|
|
} // zcompare
|
|
|
|
}
|
|
|
|
|
|
/*!
|
|
*/
|
|
void CTRTextureBlend::fragment_src_alpha_one_minus_src_alpha()
|
|
{
|
|
tVideoSample *dst;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
fp24 *z;
|
|
#endif
|
|
|
|
s32 xStart;
|
|
s32 xEnd;
|
|
s32 dx;
|
|
|
|
|
|
#ifdef SUBTEXEL
|
|
f32 subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_Z
|
|
f32 slopeZ;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
fp24 slopeW;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
|
|
#endif
|
|
|
|
// apply top-left fill-convention, left
|
|
xStart = fill_convention_left(line.x[0]);
|
|
xEnd = fill_convention_right(line.x[1]);
|
|
|
|
dx = xEnd - xStart;
|
|
if (dx < 0)
|
|
return;
|
|
|
|
// slopes
|
|
const f32 invDeltaX = fill_step_x(line.x[1] - line.x[0]);
|
|
|
|
#ifdef IPOL_Z
|
|
slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
slopeW = (line.w[1] - line.w[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
|
|
#endif
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ((f32)xStart) - line.x[0];
|
|
#ifdef IPOL_Z
|
|
line.z[0] += slopeZ * subPixel;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW * subPixel;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
line.t[1][0] += slopeT[1] * subPixel;
|
|
#endif
|
|
#endif
|
|
|
|
SOFTWARE_DRIVER_2_CLIPCHECK;
|
|
dst = (tVideoSample*)RenderTarget->getData() + (line.y * RenderTarget->getDimension().Width) + xStart;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
z = (fp24*)DepthBuffer->lock() + (line.y * RenderTarget->getDimension().Width) + xStart;
|
|
#endif
|
|
|
|
|
|
f32 iw = FIX_POINT_F32_MUL;
|
|
|
|
tFixPoint a0, r0, g0, b0;
|
|
tFixPoint r1, g1, b1;
|
|
tFixPoint a2, r2, g2, b2;
|
|
|
|
s32 i;
|
|
|
|
switch (depth_func)
|
|
{
|
|
default:
|
|
case ECFN_LESSEQUAL:
|
|
for (i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if (line.w[0] >= z[i])
|
|
#endif
|
|
|
|
{
|
|
#ifdef WRITE_W
|
|
//z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32(line.w[0]);
|
|
#endif
|
|
|
|
getSample_texture(a0, r0, g0, b0, &IT[0], tofix(line.t[0][0].x, iw), tofix(line.t[0][0].y, iw));
|
|
if (a0 > AlphaRef)
|
|
{
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix(a2, r2, g2, b2, line.c[0][0], iw);
|
|
//a0 = imulFix(a0, a2); why is vertex color enabled and not vertex_alpha?
|
|
r0 = imulFix_simple(r0, r2);
|
|
g0 = imulFix_simple(g0, g2);
|
|
b0 = imulFix_simple(b0, b2);
|
|
#endif
|
|
|
|
color_to_fix(r1, g1, b1, dst[i]);
|
|
|
|
fix_color_norm(a0);
|
|
|
|
r2 = r1 + imulFix(a0, r0 - r1);
|
|
g2 = g1 + imulFix(a0, g0 - g1);
|
|
b2 = b1 + imulFix(a0, b0 - b1);
|
|
dst[i] = fix4_to_sample(a0, r2, g2, b2);
|
|
}
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
} // zcompare
|
|
|
|
}
|
|
|
|
|
|
/*!
|
|
*/
|
|
void CTRTextureBlend::fragment_dst_color_one_minus_dst_alpha ()
|
|
{
|
|
tVideoSample *dst;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
fp24 *z;
|
|
#endif
|
|
|
|
s32 xStart;
|
|
s32 xEnd;
|
|
s32 dx;
|
|
|
|
|
|
#ifdef SUBTEXEL
|
|
f32 subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_Z
|
|
f32 slopeZ;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
fp24 slopeW;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
|
|
#endif
|
|
|
|
// apply top-left fill-convention, left
|
|
xStart = fill_convention_left( line.x[0] );
|
|
xEnd = fill_convention_right( line.x[1] );
|
|
|
|
dx = xEnd - xStart;
|
|
|
|
if ( dx < 0 )
|
|
return;
|
|
|
|
// slopes
|
|
const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
|
|
|
|
#ifdef IPOL_Z
|
|
slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
slopeW = (line.w[1] - line.w[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
|
|
#endif
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ( (f32) xStart ) - line.x[0];
|
|
#ifdef IPOL_Z
|
|
line.z[0] += slopeZ * subPixel;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW * subPixel;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
line.t[1][0] += slopeT[1] * subPixel;
|
|
#endif
|
|
#endif
|
|
|
|
SOFTWARE_DRIVER_2_CLIPCHECK;
|
|
dst = (tVideoSample*)RenderTarget->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
#endif
|
|
|
|
|
|
f32 iw = FIX_POINT_F32_MUL;
|
|
|
|
tFixPoint r0, g0, b0;
|
|
tFixPoint a1, r1, g1, b1;
|
|
#ifdef IPOL_C0
|
|
tFixPoint r2, g2, b2;
|
|
#endif
|
|
s32 i;
|
|
|
|
switch (depth_func)
|
|
{
|
|
default:
|
|
case ECFN_LESSEQUAL:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] >= z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix1 ( a1, r1, g1, b1, dst[i] );
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
a1 = FIX_POINT_ONE - a1;
|
|
dst[i] = fix_to_sample( imulFix ( imulFix ( r1, r0 + a1 ), r2 ),
|
|
imulFix ( imulFix ( g1, g0 + a1 ), g2 ),
|
|
imulFix ( imulFix ( b1, b0 + a1 ), b2 )
|
|
);
|
|
#else
|
|
dst[i] = fix_to_sample( imulFix ( r1, r0 + a1 ),
|
|
imulFix ( g1, g0 + a1 ),
|
|
imulFix ( b1, b0 + a1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] == z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix1 ( a1, r1, g1, b1, dst[i] );
|
|
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
a1 = FIX_POINT_ONE - a1;
|
|
dst[i] = fix_to_sample( imulFix ( imulFix ( r1, r0 + a1 ), r2 ),
|
|
imulFix ( imulFix ( g1, g0 + a1 ), g2 ),
|
|
imulFix ( imulFix ( b1, b0 + a1 ), b2 )
|
|
);
|
|
#else
|
|
dst[i] = fix_to_sample( imulFix ( r1, r0 + a1 ),
|
|
imulFix ( g1, g0 + a1 ),
|
|
imulFix ( b1, b0 + a1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}break;
|
|
} // zcompare
|
|
|
|
}
|
|
|
|
/*!
|
|
*/
|
|
void CTRTextureBlend::fragment_dst_color_zero ()
|
|
{
|
|
tVideoSample *dst;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
fp24 *z;
|
|
#endif
|
|
|
|
s32 xStart;
|
|
s32 xEnd;
|
|
s32 dx;
|
|
|
|
|
|
#ifdef SUBTEXEL
|
|
f32 subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_Z
|
|
f32 slopeZ;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
fp24 slopeW;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
|
|
#endif
|
|
|
|
// apply top-left fill-convention, left
|
|
xStart = fill_convention_left( line.x[0] );
|
|
xEnd = fill_convention_right( line.x[1] );
|
|
|
|
dx = xEnd - xStart;
|
|
|
|
if ( dx < 0 )
|
|
return;
|
|
|
|
// slopes
|
|
const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
|
|
|
|
#ifdef IPOL_Z
|
|
slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
slopeW = (line.w[1] - line.w[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
|
|
#endif
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ( (f32) xStart ) - line.x[0];
|
|
#ifdef IPOL_Z
|
|
line.z[0] += slopeZ * subPixel;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW * subPixel;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
line.t[1][0] += slopeT[1] * subPixel;
|
|
#endif
|
|
#endif
|
|
|
|
SOFTWARE_DRIVER_2_CLIPCHECK;
|
|
dst = (tVideoSample*)RenderTarget->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
#endif
|
|
|
|
|
|
f32 iw = FIX_POINT_F32_MUL;
|
|
|
|
tFixPoint r0, g0, b0;
|
|
tFixPoint r1, g1, b1;
|
|
#ifdef IPOL_C0
|
|
tFixPoint r2, g2, b2;
|
|
#endif
|
|
s32 i;
|
|
|
|
switch (depth_func)
|
|
{
|
|
default:
|
|
case ECFN_LESSEQUAL:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] >= z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix1 ( r1, g1, b1, dst[i] );
|
|
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix_to_sample( imulFix (imulFix_simple( r0, r1 ), r2 ),
|
|
imulFix (imulFix_simple( g0, g1 ), g2 ),
|
|
imulFix (imulFix_simple( b0, b1 ), b2 ) );
|
|
#else
|
|
dst[i] = fix_to_sample(imulFix_simple( r0, r1 ),
|
|
imulFix_simple( g0, g1 ),
|
|
imulFix_simple( b0, b1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] == z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix1 ( r1, g1, b1, dst[i] );
|
|
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix_to_sample( imulFix (imulFix_simple( r0, r1 ), r2 ),
|
|
imulFix (imulFix_simple( g0, g1 ), g2 ),
|
|
imulFix (imulFix_simple( b0, b1 ), b2 )
|
|
);
|
|
#else
|
|
dst[i] = fix_to_sample(imulFix_simple( r0, r1 ),
|
|
imulFix_simple( g0, g1 ),
|
|
imulFix_simple( b0, b1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}break;
|
|
} // zcompare
|
|
|
|
}
|
|
|
|
/*!
|
|
*/
|
|
void CTRTextureBlend::fragment_dst_color_one ()
|
|
{
|
|
tVideoSample *dst;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
fp24 *z;
|
|
#endif
|
|
|
|
s32 xStart;
|
|
s32 xEnd;
|
|
s32 dx;
|
|
|
|
|
|
#ifdef SUBTEXEL
|
|
f32 subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_Z
|
|
f32 slopeZ;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
fp24 slopeW;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
|
|
#endif
|
|
|
|
// apply top-left fill-convention, left
|
|
xStart = fill_convention_left( line.x[0] );
|
|
xEnd = fill_convention_right( line.x[1] );
|
|
|
|
dx = xEnd - xStart;
|
|
|
|
if ( dx < 0 )
|
|
return;
|
|
|
|
// slopes
|
|
const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
|
|
|
|
#ifdef IPOL_Z
|
|
slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
slopeW = (line.w[1] - line.w[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
|
|
#endif
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ( (f32) xStart ) - line.x[0];
|
|
#ifdef IPOL_Z
|
|
line.z[0] += slopeZ * subPixel;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW * subPixel;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
line.t[1][0] += slopeT[1] * subPixel;
|
|
#endif
|
|
#endif
|
|
|
|
SOFTWARE_DRIVER_2_CLIPCHECK;
|
|
dst = (tVideoSample*)RenderTarget->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
#endif
|
|
|
|
|
|
f32 iw = FIX_POINT_F32_MUL;
|
|
|
|
tFixPoint r0, g0, b0;
|
|
tFixPoint r1, g1, b1;
|
|
#ifdef IPOL_C0
|
|
tFixPoint r2, g2, b2;
|
|
#endif
|
|
s32 i;
|
|
|
|
switch (depth_func)
|
|
{
|
|
default:
|
|
case ECFN_LESSEQUAL:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] >= z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix ( r1, g1, b1, dst[i] );
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix_to_sample( clampfix_maxcolor ( imulFix_tex1 ( r0, r1 ) + r1 ),
|
|
clampfix_maxcolor ( imulFix_tex1 ( g0, g1 ) + g1 ),
|
|
clampfix_maxcolor ( imulFix_tex1 ( b0, b1 ) + b1 )
|
|
);
|
|
|
|
#else
|
|
dst[i] = fix_to_sample( clampfix_maxcolor ( imulFix_tex1 ( r0, r1 ) + r1 ),
|
|
clampfix_maxcolor ( imulFix_tex1 ( g0, g1 ) + g1 ),
|
|
clampfix_maxcolor ( imulFix_tex1 ( b0, b1 ) + b1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] == z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix ( r1, g1, b1, dst[i] );
|
|
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix_to_sample( clampfix_maxcolor ( imulFix_tex1 ( r0, r1 ) + r1 ),
|
|
clampfix_maxcolor ( imulFix_tex1 ( g0, g1 ) + g1 ),
|
|
clampfix_maxcolor ( imulFix_tex1 ( b0, b1 ) + b1 )
|
|
);
|
|
|
|
#else
|
|
dst[i] = fix_to_sample( clampfix_maxcolor ( imulFix_tex1 ( r0, r1 ) + r1 ),
|
|
clampfix_maxcolor ( imulFix_tex1 ( g0, g1 ) + g1 ),
|
|
clampfix_maxcolor ( imulFix_tex1 ( b0, b1 ) + b1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}break;
|
|
} // zcompare
|
|
|
|
}
|
|
|
|
/*!
|
|
*/
|
|
void CTRTextureBlend::fragment_zero_one_minus_scr_color ()
|
|
{
|
|
tVideoSample *dst;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
fp24 *z;
|
|
#endif
|
|
|
|
s32 xStart;
|
|
s32 xEnd;
|
|
s32 dx;
|
|
|
|
|
|
#ifdef SUBTEXEL
|
|
f32 subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_Z
|
|
f32 slopeZ;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
fp24 slopeW;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS];
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
|
|
#endif
|
|
|
|
// apply top-left fill-convention, left
|
|
xStart = fill_convention_left( line.x[0] );
|
|
xEnd = fill_convention_right( line.x[1] );
|
|
|
|
dx = xEnd - xStart;
|
|
|
|
if ( dx < 0 )
|
|
return;
|
|
|
|
// slopes
|
|
const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
|
|
|
|
#ifdef IPOL_Z
|
|
slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
slopeW = (line.w[1] - line.w[0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
|
|
#endif
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ( (f32) xStart ) - line.x[0];
|
|
#ifdef IPOL_Z
|
|
line.z[0] += slopeZ * subPixel;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW * subPixel;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0] * subPixel;
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
line.t[1][0] += slopeT[1] * subPixel;
|
|
#endif
|
|
#endif
|
|
|
|
SOFTWARE_DRIVER_2_CLIPCHECK;
|
|
dst = (tVideoSample*)RenderTarget->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
|
|
#ifdef USE_ZBUFFER
|
|
z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
|
|
#endif
|
|
|
|
|
|
f32 iw = FIX_POINT_F32_MUL;
|
|
|
|
tFixPoint r0, g0, b0;
|
|
tFixPoint r1, g1, b1;
|
|
#ifdef IPOL_C0
|
|
tFixPoint r2, g2, b2;
|
|
#endif
|
|
s32 i;
|
|
|
|
switch (depth_func)
|
|
{
|
|
default:
|
|
case ECFN_LESSEQUAL:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] >= z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix1 ( r1, g1, b1, dst[i] );
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix_to_sample(imulFix( FIX_POINT_ONE - r0, r1 ),
|
|
imulFix( FIX_POINT_ONE - g0, g1 ),
|
|
imulFix( FIX_POINT_ONE - b0, b1 )
|
|
);
|
|
|
|
#else
|
|
dst[i] = fix_to_sample(imulFix( FIX_POINT_ONE - r0, r1 ),
|
|
imulFix( FIX_POINT_ONE - g0, g1 ),
|
|
imulFix( FIX_POINT_ONE - b0, b1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for ( i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
|
|
{
|
|
#ifdef CMP_W
|
|
if ( line.w[0] == z[i] )
|
|
#endif
|
|
|
|
{
|
|
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
|
|
#ifdef INVERSE_W
|
|
iw = fix_inverse32 ( line.w[0] );
|
|
#endif
|
|
getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
|
|
color_to_fix1 ( r1, g1, b1, dst[i] );
|
|
#ifdef IPOL_C0
|
|
vec4_to_fix( r2, g2, b2, line.c[0][0],iw );
|
|
|
|
dst[i] = fix_to_sample(imulFix( FIX_POINT_ONE - r0, r1 ),
|
|
imulFix( FIX_POINT_ONE - g0, g1 ),
|
|
imulFix( FIX_POINT_ONE - b0, b1 )
|
|
);
|
|
|
|
#else
|
|
dst[i] = fix_to_sample(imulFix( FIX_POINT_ONE - r0, r1 ),
|
|
imulFix( FIX_POINT_ONE - g0, g1 ),
|
|
imulFix( FIX_POINT_ONE - b0, b1 )
|
|
);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC[0];
|
|
#endif
|
|
}break;
|
|
} // zcompare
|
|
|
|
}
|
|
|
|
|
|
|
|
void CTRTextureBlend::drawTriangle(const s4DVertex* burning_restrict a, const s4DVertex* burning_restrict b, const s4DVertex* burning_restrict c)
|
|
{
|
|
if ( 0 == fragmentShader )
|
|
return;
|
|
|
|
// sort on height, y
|
|
if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
|
|
if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c);
|
|
if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
|
|
|
|
const f32 ca = c->Pos.y - a->Pos.y;
|
|
const f32 ba = b->Pos.y - a->Pos.y;
|
|
const f32 cb = c->Pos.y - b->Pos.y;
|
|
// calculate delta y of the edges
|
|
scan.invDeltaY[0] = fill_step_y( ca );
|
|
scan.invDeltaY[1] = fill_step_y( ba );
|
|
scan.invDeltaY[2] = fill_step_y( cb );
|
|
|
|
if ( F32_LOWER_EQUAL_0 ( scan.invDeltaY[0] ) )
|
|
return;
|
|
|
|
// find if the major edge is left or right aligned
|
|
f32 temp[4];
|
|
|
|
temp[0] = a->Pos.x - c->Pos.x;
|
|
temp[1] = -ca;
|
|
temp[2] = b->Pos.x - a->Pos.x;
|
|
temp[3] = ba;
|
|
|
|
scan.left = (temp[0] * temp[3] - temp[1] * temp[2]) < 0.f ? 1 : 0;
|
|
scan.right = 1 - scan.left;
|
|
|
|
// calculate slopes for the major edge
|
|
scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0];
|
|
scan.x[0] = a->Pos.x;
|
|
|
|
#ifdef IPOL_Z
|
|
scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0];
|
|
scan.z[0] = a->Pos.z;
|
|
#endif
|
|
|
|
#ifdef IPOL_W
|
|
scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0];
|
|
scan.w[0] = a->Pos.w;
|
|
#endif
|
|
|
|
#ifdef IPOL_C0
|
|
scan.slopeC[0][0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0];
|
|
scan.c[0][0] = a->Color[0];
|
|
#endif
|
|
|
|
#ifdef IPOL_T0
|
|
scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0];
|
|
scan.t[0][0] = a->Tex[0];
|
|
#endif
|
|
|
|
#ifdef IPOL_T1
|
|
scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0];
|
|
scan.t[1][0] = a->Tex[1];
|
|
#endif
|
|
|
|
// top left fill convention y run
|
|
s32 yStart;
|
|
s32 yEnd;
|
|
|
|
#ifdef SUBTEXEL
|
|
f32 subPixel;
|
|
#endif
|
|
|
|
// rasterize upper sub-triangle
|
|
if ( (f32) 0.0 != scan.invDeltaY[1] )
|
|
{
|
|
// calculate slopes for top edge
|
|
scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1];
|
|
scan.x[1] = a->Pos.x;
|
|
|
|
#ifdef IPOL_Z
|
|
scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1];
|
|
scan.z[1] = a->Pos.z;
|
|
#endif
|
|
|
|
#ifdef IPOL_W
|
|
scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1];
|
|
scan.w[1] = a->Pos.w;
|
|
#endif
|
|
|
|
#ifdef IPOL_C0
|
|
scan.slopeC[0][1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1];
|
|
scan.c[0][1] = a->Color[0];
|
|
#endif
|
|
|
|
#ifdef IPOL_T0
|
|
scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1];
|
|
scan.t[0][1] = a->Tex[0];
|
|
#endif
|
|
|
|
#ifdef IPOL_T1
|
|
scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1];
|
|
scan.t[1][1] = a->Tex[1];
|
|
#endif
|
|
|
|
// apply top-left fill convention, top part
|
|
yStart = fill_convention_top( a->Pos.y );
|
|
yEnd = fill_convention_down( b->Pos.y );
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ( (f32) yStart ) - a->Pos.y;
|
|
|
|
// correct to pixel center
|
|
scan.x[0] += scan.slopeX[0] * subPixel;
|
|
scan.x[1] += scan.slopeX[1] * subPixel;
|
|
|
|
#ifdef IPOL_Z
|
|
scan.z[0] += scan.slopeZ[0] * subPixel;
|
|
scan.z[1] += scan.slopeZ[1] * subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_W
|
|
scan.w[0] += scan.slopeW[0] * subPixel;
|
|
scan.w[1] += scan.slopeW[1] * subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_C0
|
|
scan.c[0][0] += scan.slopeC[0][0] * subPixel;
|
|
scan.c[0][1] += scan.slopeC[0][1] * subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_T0
|
|
scan.t[0][0] += scan.slopeT[0][0] * subPixel;
|
|
scan.t[0][1] += scan.slopeT[0][1] * subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_T1
|
|
scan.t[1][0] += scan.slopeT[1][0] * subPixel;
|
|
scan.t[1][1] += scan.slopeT[1][1] * subPixel;
|
|
#endif
|
|
|
|
#endif
|
|
|
|
// rasterize the edge scanlines
|
|
for( line.y = yStart; line.y <= yEnd; line.y += SOFTWARE_DRIVER_2_STEP_Y)
|
|
{
|
|
line.x[scan.left] = scan.x[0];
|
|
line.x[scan.right] = scan.x[1];
|
|
|
|
#ifdef IPOL_Z
|
|
line.z[scan.left] = scan.z[0];
|
|
line.z[scan.right] = scan.z[1];
|
|
#endif
|
|
|
|
#ifdef IPOL_W
|
|
line.w[scan.left] = scan.w[0];
|
|
line.w[scan.right] = scan.w[1];
|
|
#endif
|
|
|
|
#ifdef IPOL_C0
|
|
line.c[0][scan.left] = scan.c[0][0];
|
|
line.c[0][scan.right] = scan.c[0][1];
|
|
#endif
|
|
|
|
#ifdef IPOL_T0
|
|
line.t[0][scan.left] = scan.t[0][0];
|
|
line.t[0][scan.right] = scan.t[0][1];
|
|
#endif
|
|
|
|
#ifdef IPOL_T1
|
|
line.t[1][scan.left] = scan.t[1][0];
|
|
line.t[1][scan.right] = scan.t[1][1];
|
|
#endif
|
|
|
|
// render a scanline
|
|
if_interlace_scanline (this->*fragmentShader) ();
|
|
|
|
scan.x[0] += scan.slopeX[0];
|
|
scan.x[1] += scan.slopeX[1];
|
|
|
|
#ifdef IPOL_Z
|
|
scan.z[0] += scan.slopeZ[0];
|
|
scan.z[1] += scan.slopeZ[1];
|
|
#endif
|
|
|
|
#ifdef IPOL_W
|
|
scan.w[0] += scan.slopeW[0];
|
|
scan.w[1] += scan.slopeW[1];
|
|
#endif
|
|
|
|
#ifdef IPOL_C0
|
|
scan.c[0][0] += scan.slopeC[0][0];
|
|
scan.c[0][1] += scan.slopeC[0][1];
|
|
#endif
|
|
|
|
#ifdef IPOL_T0
|
|
scan.t[0][0] += scan.slopeT[0][0];
|
|
scan.t[0][1] += scan.slopeT[0][1];
|
|
#endif
|
|
|
|
#ifdef IPOL_T1
|
|
scan.t[1][0] += scan.slopeT[1][0];
|
|
scan.t[1][1] += scan.slopeT[1][1];
|
|
#endif
|
|
|
|
}
|
|
}
|
|
|
|
// rasterize lower sub-triangle
|
|
if ( (f32) 0.0 != scan.invDeltaY[2] )
|
|
{
|
|
// advance to middle point
|
|
if( (f32) 0.0 != scan.invDeltaY[1] )
|
|
{
|
|
temp[0] = b->Pos.y - a->Pos.y; // dy
|
|
|
|
scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0];
|
|
#ifdef IPOL_Z
|
|
scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0];
|
|
#endif
|
|
#ifdef IPOL_W
|
|
scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0];
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
scan.c[0][0] = a->Color[0] + scan.slopeC[0][0] * temp[0];
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0];
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0];
|
|
#endif
|
|
|
|
}
|
|
|
|
// calculate slopes for bottom edge
|
|
scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2];
|
|
scan.x[1] = b->Pos.x;
|
|
|
|
#ifdef IPOL_Z
|
|
scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2];
|
|
scan.z[1] = b->Pos.z;
|
|
#endif
|
|
|
|
#ifdef IPOL_W
|
|
scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2];
|
|
scan.w[1] = b->Pos.w;
|
|
#endif
|
|
|
|
#ifdef IPOL_C0
|
|
scan.slopeC[0][1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2];
|
|
scan.c[0][1] = b->Color[0];
|
|
#endif
|
|
|
|
#ifdef IPOL_T0
|
|
scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2];
|
|
scan.t[0][1] = b->Tex[0];
|
|
#endif
|
|
|
|
#ifdef IPOL_T1
|
|
scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2];
|
|
scan.t[1][1] = b->Tex[1];
|
|
#endif
|
|
|
|
// apply top-left fill convention, top part
|
|
yStart = fill_convention_top( b->Pos.y );
|
|
yEnd = fill_convention_down( c->Pos.y );
|
|
|
|
#ifdef SUBTEXEL
|
|
subPixel = ( (f32) yStart ) - b->Pos.y;
|
|
|
|
// correct to pixel center
|
|
scan.x[0] += scan.slopeX[0] * subPixel;
|
|
scan.x[1] += scan.slopeX[1] * subPixel;
|
|
|
|
#ifdef IPOL_Z
|
|
scan.z[0] += scan.slopeZ[0] * subPixel;
|
|
scan.z[1] += scan.slopeZ[1] * subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_W
|
|
scan.w[0] += scan.slopeW[0] * subPixel;
|
|
scan.w[1] += scan.slopeW[1] * subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_C0
|
|
scan.c[0][0] += scan.slopeC[0][0] * subPixel;
|
|
scan.c[0][1] += scan.slopeC[0][1] * subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_T0
|
|
scan.t[0][0] += scan.slopeT[0][0] * subPixel;
|
|
scan.t[0][1] += scan.slopeT[0][1] * subPixel;
|
|
#endif
|
|
|
|
#ifdef IPOL_T1
|
|
scan.t[1][0] += scan.slopeT[1][0] * subPixel;
|
|
scan.t[1][1] += scan.slopeT[1][1] * subPixel;
|
|
#endif
|
|
|
|
#endif
|
|
|
|
// rasterize the edge scanlines
|
|
for( line.y = yStart; line.y <= yEnd; line.y += SOFTWARE_DRIVER_2_STEP_Y)
|
|
{
|
|
line.x[scan.left] = scan.x[0];
|
|
line.x[scan.right] = scan.x[1];
|
|
|
|
#ifdef IPOL_Z
|
|
line.z[scan.left] = scan.z[0];
|
|
line.z[scan.right] = scan.z[1];
|
|
#endif
|
|
|
|
#ifdef IPOL_W
|
|
line.w[scan.left] = scan.w[0];
|
|
line.w[scan.right] = scan.w[1];
|
|
#endif
|
|
|
|
#ifdef IPOL_C0
|
|
line.c[0][scan.left] = scan.c[0][0];
|
|
line.c[0][scan.right] = scan.c[0][1];
|
|
#endif
|
|
|
|
#ifdef IPOL_T0
|
|
line.t[0][scan.left] = scan.t[0][0];
|
|
line.t[0][scan.right] = scan.t[0][1];
|
|
#endif
|
|
|
|
#ifdef IPOL_T1
|
|
line.t[1][scan.left] = scan.t[1][0];
|
|
line.t[1][scan.right] = scan.t[1][1];
|
|
#endif
|
|
|
|
// render a scanline
|
|
if_interlace_scanline (this->*fragmentShader) ();
|
|
|
|
scan.x[0] += scan.slopeX[0];
|
|
scan.x[1] += scan.slopeX[1];
|
|
|
|
#ifdef IPOL_Z
|
|
scan.z[0] += scan.slopeZ[0];
|
|
scan.z[1] += scan.slopeZ[1];
|
|
#endif
|
|
|
|
#ifdef IPOL_W
|
|
scan.w[0] += scan.slopeW[0];
|
|
scan.w[1] += scan.slopeW[1];
|
|
#endif
|
|
|
|
#ifdef IPOL_C0
|
|
scan.c[0][0] += scan.slopeC[0][0];
|
|
scan.c[0][1] += scan.slopeC[0][1];
|
|
#endif
|
|
|
|
#ifdef IPOL_T0
|
|
scan.t[0][0] += scan.slopeT[0][0];
|
|
scan.t[0][1] += scan.slopeT[0][1];
|
|
#endif
|
|
|
|
#ifdef IPOL_T1
|
|
scan.t[1][0] += scan.slopeT[1][0];
|
|
scan.t[1][1] += scan.slopeT[1][1];
|
|
#endif
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
} // end namespace video
|
|
} // end namespace irr
|
|
|
|
#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
|
|
|
|
namespace irr
|
|
{
|
|
namespace video
|
|
{
|
|
|
|
//! creates a flat triangle renderer
|
|
IBurningShader* createTRTextureBlend(CBurningVideoDriver* driver)
|
|
{
|
|
// EMT_ONETEXTURE_BLEND
|
|
#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
|
|
return new CTRTextureBlend(driver);
|
|
#else
|
|
return 0;
|
|
#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
|
|
}
|
|
|
|
|
|
} // end namespace video
|
|
} // end namespace irr
|
|
|
|
|