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Rewrote the LLVM triangle drawer to use the data from the triangle setup function

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This commit is contained in:
Magnus Norddahl 2016-12-15 01:33:26 +01:00
commit c643238b86
7 changed files with 1179 additions and 724 deletions
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87
tools/drawergen/fixedfunction/drawtrianglecodegen.h
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@ -30,6 +30,91 @@ struct SSATriVertex
SSAFloat varying[TriVertex::NumVarying];
};
struct SSAStepVariables
{
SSAFloat W;
SSAFloat Varying[TriVertex::NumVarying];
};
class DrawTriangleCodegen : public DrawerCodegen
{
public:
void Generate(TriDrawVariant variant, TriBlendMode blendmode, bool truecolor, SSAValue args, SSAValue thread_data);
private:
void LoadArgs(SSAValue args, SSAValue thread_data);
SSATriVertex LoadTriVertex(SSAValue v);
void LoadUniforms(SSAValue uniforms);
void CalculateGradients();
SSAFloat FindGradientX(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2);
SSAFloat FindGradientY(SSAFloat x0, SSAFloat y0, SSAFloat x1, SSAFloat y1, SSAFloat x2, SSAFloat y2, SSAFloat c0, SSAFloat c1, SSAFloat c2);
void DrawFullSpans();
void DrawPartialBlocks();
SSAVec4i ProcessPixel32(SSAVec4i bg, SSAInt *varying);
SSAInt ProcessPixel8(SSAInt bg, SSAInt *varying);
SSAVec4i TranslateSample32(SSAInt *varying);
SSAInt TranslateSample8(SSAInt *varying);
SSAVec4i Sample32(SSAInt *varying);
SSAInt Sample8(SSAInt *varying);
SSAInt Shade8(SSAInt c);
SSAVec4i ToBgra(SSAInt index);
SSAInt ToPal8(SSAVec4i c);
SSAVec4i FadeOut(SSAInt frac, SSAVec4i color);
SSAStack<SSAInt> stack_i, stack_y, stack_x;
SSAStack<SSAFloat> stack_posYW, stack_posXW;
SSAStack<SSAFloat> stack_posYVarying[TriVertex::NumVarying];
SSAStack<SSAFloat> stack_posXVarying[TriVertex::NumVarying];
SSAStack<SSAInt> stack_varyingPos[TriVertex::NumVarying];
SSAStack<SSAInt> stack_lightpos;
SSAStack<SSAUBytePtr> stack_dest;
SSAStack<SSAIntPtr> stack_subsector;
SSAStepVariables gradientX, gradientY, start;
SSAFloat shade, globVis;
SSAInt currentlight;
SSAUBytePtr currentcolormap;
SSAUBytePtr destOrg;
SSAIntPtr subsectorGBuffer;
SSAInt pitch;
SSATriVertex v1;
SSATriVertex v2;
SSATriVertex v3;
SSAUBytePtr texturePixels;
SSAInt textureWidth;
SSAInt textureHeight;
SSAUBytePtr translation;
SSAInt color, srcalpha, destalpha;
SSAInt light;
SSAInt subsectorDepth;
SSAShadeConstants shade_constants;
SSABool is_simple_shade;
SSABool is_nearest_filter;
SSABool is_fixed_light;
SSAUBytePtr Colormaps;
SSAUBytePtr RGB32k;
SSAUBytePtr BaseColors;
SSAInt numSpans;
SSAInt numBlocks;
SSAInt startX;
SSAInt startY;
SSAValue fullSpans; // TriFullSpan[]
SSAValue partialBlocks; // TriPartialBlock[]
TriDrawVariant variant;
TriBlendMode blendmode;
bool truecolor;
int pixelsize;
};
#if 0
class DrawTriangleCodegen : public DrawerCodegen
{
public:
@ -154,3 +239,5 @@ private:
SSAUBytePtr StencilBlock;
SSAIntPtr StencilBlockMask;
};
#endif