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https://github.com/ZDoom/gzdoom-gles.git
synced 2024-11-11 07:12:16 +00:00
Add a new blend mode for sprites
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parent
6cc33553c2
commit
03282c957b
7 changed files with 34 additions and 2 deletions
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@ -119,6 +119,7 @@ extern "C"
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void TriDrawNormal32_10_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawNormal32_11_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawNormal32_12_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawNormal32_13_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillNormal8_0_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillNormal8_1_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillNormal8_2_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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@ -145,6 +146,7 @@ extern "C"
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void TriFillNormal32_10_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillNormal32_11_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillNormal32_12_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillNormal32_13_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector8_0_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector8_1_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector8_2_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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@ -158,6 +160,7 @@ extern "C"
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void TriDrawSubsector8_10_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector8_11_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector8_12_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector8_13_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector32_0_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector32_1_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector32_2_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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@ -171,6 +174,7 @@ extern "C"
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void TriDrawSubsector32_10_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector32_11_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector32_12_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriDrawSubsector32_13_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector8_0_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector8_1_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector8_2_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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@ -184,6 +188,7 @@ extern "C"
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void TriFillSubsector8_10_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector8_11_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector8_12_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector8_13_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector32_0_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector32_1_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector32_2_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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@ -197,6 +202,7 @@ extern "C"
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void TriFillSubsector32_10_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector32_11_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector32_12_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriFillSubsector32_13_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriStencil_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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void TriStencilClose_SSE2(const TriDrawTriangleArgs *, WorkerThreadData *);
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}
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@ -253,10 +253,11 @@ enum class TriBlendMode
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TranslateAlphaBlend, // blend_alpha_blend(shade(translate(fg)), bg)
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TranslateAdd, // blend_add(shade(translate(fg)), bg, srcalpha, calc_blend_bgalpha(fg, destalpha))
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TranslateSub, // blend_sub(shade(translate(fg)), bg, srcalpha, calc_blend_bgalpha(fg, destalpha))
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TranslateRevSub // blend_revsub(shade(translate(fg)), bg, srcalpha, calc_blend_bgalpha(fg, destalpha))
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TranslateRevSub,// blend_revsub(shade(translate(fg)), bg, srcalpha, calc_blend_bgalpha(fg, destalpha))
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AddSrcColorOneMinusSrcColor // glBlendMode(GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR) used by GZDoom's fullbright additive sprites
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};
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inline int NumTriBlendModes() { return (int)TriBlendMode::TranslateRevSub + 1; }
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inline int NumTriBlendModes() { return (int)TriBlendMode::AddSrcColorOneMinusSrcColor + 1; }
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class Drawers
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{
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@ -150,6 +150,12 @@ void RenderPolySprite::Render(const TriMatrix &worldToClip, const Vec4f &clipPla
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args.uniforms.srcalpha = 256;
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blendmode = args.translation ? TriBlendMode::TranslateAdd : TriBlendMode::Add;
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}
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else if (thing->RenderStyle == LegacyRenderStyles[STYLE_Add] && fullbrightSprite && thing->Alpha == 1.0 && args.translation == nullptr)
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{
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args.uniforms.destalpha = 256;
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args.uniforms.srcalpha = 256;
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blendmode = TriBlendMode::AddSrcColorOneMinusSrcColor;
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}
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else if (thing->RenderStyle == LegacyRenderStyles[STYLE_Add])
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{
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args.uniforms.destalpha = (uint32_t)(1.0 * 256);
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@ -376,6 +376,7 @@ FString DrawPolyTrianglesCommand::DebugInfo()
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case TriBlendMode::TranslateAdd: blendmodestr = "TranslateAdd"; break;
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case TriBlendMode::TranslateSub: blendmodestr = "TranslateSub"; break;
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case TriBlendMode::TranslateRevSub: blendmodestr = "TranslateRevSub"; break;
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case TriBlendMode::AddSrcColorOneMinusSrcColor: blendmodestr = "AddSrcColorOneMinusSrcColor"; break;
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}
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FString info;
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@ -160,3 +160,10 @@ SSAVec4i DrawerCodegen::blend_stencil(SSAVec4i stencilcolor, SSAInt fgalpha, SSA
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SSAVec4i color = (stencilcolor * srcalpha + bg * destalpha) / 256;
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return color.insert(3, 255);
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}
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SSAVec4i DrawerCodegen::blend_add_srccolor_oneminussrccolor(SSAVec4i fg, SSAVec4i bg)
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{
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SSAVec4i fgcolor = fg + (fg >> 7); // 255 -> 256
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SSAVec4i inv_fgcolor = SSAVec4i(256) - fgcolor;
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return fg + (bg * inv_fgcolor + 128) >> 8;
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}
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@ -86,6 +86,7 @@ public:
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SSAVec4i blend_revsub(SSAVec4i fg, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
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SSAVec4i blend_alpha_blend(SSAVec4i fg, SSAVec4i bg);
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SSAVec4i blend_stencil(SSAVec4i color, SSAInt fgalpha, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
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SSAVec4i blend_add_srccolor_oneminussrccolor(SSAVec4i fg, SSAVec4i bg);
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// Calculates the final alpha values to be used when combined with the source texture alpha channel
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SSAInt calc_blend_bgalpha(SSAVec4i fg, SSAInt destalpha);
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@ -670,6 +670,10 @@ SSAVec4i DrawTriangleCodegen::ProcessPixel32(SSAVec4i bg, SSAInt *varying)
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fg = TranslateSample32(uvoffset);
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output = blend_revsub(shade_bgra_simple(fg, currentlight), bg, srcalpha, calc_blend_bgalpha(fg, destalpha));
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break;
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case TriBlendMode::AddSrcColorOneMinusSrcColor:
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fg = Sample32(uvoffset);
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output = blend_add_srccolor_oneminussrccolor(shade_bgra_simple(fg, currentlight), bg);
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break;
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}
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return output;
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@ -771,6 +775,12 @@ SSAInt DrawTriangleCodegen::ProcessPixel8(SSAInt bg, SSAInt *varying)
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output = ToPal8(blend_revsub(fg, ToBgra(bg), srcalpha, calc_blend_bgalpha(fg, destalpha)));
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output = (palindex == SSAInt(0)).select(bg, output);
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break;
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case TriBlendMode::AddSrcColorOneMinusSrcColor:
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palindex = Sample8(uvoffset);
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fg = ToBgra(Shade8(palindex));
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output = ToPal8(blend_add_srccolor_oneminussrccolor(fg, ToBgra(bg)));
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output = (palindex == SSAInt(0)).select(bg, output);
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break;
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}
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return output;
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