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Stencil close

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This commit is contained in:
Magnus Norddahl 2016-12-13 02:13:48 +01:00
parent 022368d349
commit c1e2c25907
2 changed files with 61 additions and 0 deletions
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59
src/r_poly_triangle.cpp
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@ -94,6 +94,7 @@ void PolyTriangleDrawer::draw_arrays(const PolyDrawArgs &drawargs, TriDrawVarian
default:
//case TriDrawVariant::DrawNormal: drawfunc = dest_bgra ? &ScreenTriangle::DrawFunc : llvm->TriDrawNormal8[bmode]; break;
//case TriDrawVariant::Stencil: drawfunc = &ScreenTriangle::StencilFunc; break;
//case TriDrawVariant::StencilClose: drawfunc = &ScreenTriangle::StencilCloseFunc; break;
case TriDrawVariant::DrawNormal: drawfunc = dest_bgra ? llvm->TriDrawNormal32[bmode] : llvm->TriDrawNormal8[bmode]; break;
case TriDrawVariant::FillNormal: drawfunc = dest_bgra ? llvm->TriFillNormal32[bmode] : llvm->TriFillNormal8[bmode]; break;
case TriDrawVariant::DrawSubsector: drawfunc = dest_bgra ? llvm->TriDrawSubsector32[bmode] : llvm->TriDrawSubsector8[bmode]; break;
@ -891,6 +892,57 @@ void ScreenTriangle::StencilWrite(const TriDrawTriangleArgs *args)
}
}
void ScreenTriangle::SubsectorWrite(const TriDrawTriangleArgs *args)
{
uint32_t subsectorDepth = args->uniforms->subsectorDepth;
for (int i = 0; i < NumFullSpans; i++)
{
const auto &span = FullSpans[i];
uint32_t *subsector = args->subsectorGBuffer + span.X + span.Y * args->pitch;
int pitch = args->pitch;
int width = span.Length * 8;
int height = 8;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
subsector[x] = subsectorDepth;
subsector += pitch;
}
}
for (int i = 0; i < NumPartialBlocks; i++)
{
const auto &block = PartialBlocks[i];
uint32_t *subsector = args->subsectorGBuffer + block.X + block.Y * args->pitch;
int pitch = args->pitch;
uint32_t mask0 = block.Mask0;
uint32_t mask1 = block.Mask1;
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 8; x++)
{
if (mask0 & (1 << 31))
subsector[x] = subsectorDepth;
mask0 <<= 1;
}
subsector += pitch;
}
for (int y = 4; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
if (mask1 & (1 << 31))
subsector[x] = subsectorDepth;
mask1 <<= 1;
}
subsector += pitch;
}
}
}
float ScreenTriangle::FindGradientX(float x0, float y0, float x1, float y1, float x2, float y2, float c0, float c1, float c2)
{
float top = (c1 - c2) * (y0 - y2) - (c0 - c2) * (y1 - y2);
@ -1158,6 +1210,13 @@ void ScreenTriangle::StencilFunc(const TriDrawTriangleArgs *args, WorkerThreadDa
triangle[thread->core].StencilWrite(args);
}
void ScreenTriangle::StencilCloseFunc(const TriDrawTriangleArgs *args, WorkerThreadData *thread)
{
triangle[thread->core].Setup(args, thread);
triangle[thread->core].StencilWrite(args);
triangle[thread->core].SubsectorWrite(args);
}
ScreenTriangle::ScreenTriangle()
{
FullSpansBuffer.resize(MAXWIDTH / 8 * (MAXHEIGHT / 8));

2
src/r_poly_triangle.h
View file

@ -291,12 +291,14 @@ class ScreenTriangle
public:
static void DrawFunc(const TriDrawTriangleArgs *args, WorkerThreadData *thread);
static void StencilFunc(const TriDrawTriangleArgs *args, WorkerThreadData *thread);
static void StencilCloseFunc(const TriDrawTriangleArgs *args, WorkerThreadData *thread);
ScreenTriangle();
void Setup(const TriDrawTriangleArgs *args, WorkerThreadData *thread);
void Draw(const TriDrawTriangleArgs *args);
void StencilWrite(const TriDrawTriangleArgs *args);
void SubsectorWrite(const TriDrawTriangleArgs *args);
ScreenTriangleFullSpan *FullSpans;
ScreenTrianglePartialBlock *PartialBlocks;