OrdinaryMagician/vkdoom_m
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Add support for specifying a viewport out of screen bounds and fixed statusbar by doing just that!

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This commit is contained in:
Magnus Norddahl 2016-11-18 01:58:39 +01:00
commit dbb6c7ca27
11 changed files with 68 additions and 68 deletions
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66
src/r_poly_triangle.cpp
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@ -40,9 +40,41 @@
#include <immintrin.h>
#endif
int PolyTriangleDrawer::viewport_x;
int PolyTriangleDrawer::viewport_y;
int PolyTriangleDrawer::viewport_width;
int PolyTriangleDrawer::viewport_height;
int PolyTriangleDrawer::dest_pitch;
int PolyTriangleDrawer::dest_width;
int PolyTriangleDrawer::dest_height;
uint8_t *PolyTriangleDrawer::dest;
bool PolyTriangleDrawer::dest_bgra;
void PolyTriangleDrawer::set_viewport(int x, int y, int width, int height, DCanvas *canvas)
{
dest = (uint8_t*)canvas->GetBuffer();
dest_width = canvas->GetWidth();
dest_height = canvas->GetHeight();
dest_pitch = canvas->GetPitch();
dest_bgra = canvas->IsBgra();
int offsetx = clamp(x, 0, dest_width);
int offsety = clamp(y, 0, dest_height);
int pixelsize = dest_bgra ? 4 : 1;
viewport_x = x - offsetx;
viewport_y = y - offsety;
viewport_width = width;
viewport_height = height;
dest += (offsetx + offsety * dest_pitch) * pixelsize;
dest_width = clamp(viewport_x + viewport_width, 0, dest_width - offsetx);
dest_height = clamp(viewport_y + viewport_height, 0, dest_height - offsety);
}
void PolyTriangleDrawer::draw(const PolyDrawArgs &args, TriDrawVariant variant)
{
if (r_swtruecolor)
if (dest_bgra)
DrawerCommandQueue::QueueCommand<DrawPolyTrianglesCommand>(args, variant);
else
draw_arrays(args, variant, nullptr);
@ -59,33 +91,33 @@ void PolyTriangleDrawer::draw_arrays(const PolyDrawArgs &drawargs, TriDrawVarian
switch (variant)
{
default:
case TriDrawVariant::Draw: drawfunc = r_swtruecolor ? llvm->TriDraw32: llvm->TriDraw8; break;
case TriDrawVariant::Fill: drawfunc = r_swtruecolor ? llvm->TriFill32 : llvm->TriFill8; break;
case TriDrawVariant::DrawSubsector: drawfunc = r_swtruecolor ? llvm->TriDrawSubsector32 : llvm->TriDrawSubsector8; break;
case TriDrawVariant::DrawShadedSubsector: drawfunc = r_swtruecolor ? llvm->TriDrawShadedSubsector32 : llvm->TriDrawShadedSubsector8; break;
case TriDrawVariant::FillSubsector: drawfunc = r_swtruecolor ? llvm->TriFillSubsector32 : llvm->TriFillSubsector8; break;
case TriDrawVariant::Draw: drawfunc = dest_bgra ? llvm->TriDraw32: llvm->TriDraw8; break;
case TriDrawVariant::Fill: drawfunc = dest_bgra ? llvm->TriFill32 : llvm->TriFill8; break;
case TriDrawVariant::DrawSubsector: drawfunc = dest_bgra ? llvm->TriDrawSubsector32 : llvm->TriDrawSubsector8; break;
case TriDrawVariant::DrawShadedSubsector: drawfunc = dest_bgra ? llvm->TriDrawShadedSubsector32 : llvm->TriDrawShadedSubsector8; break;
case TriDrawVariant::FillSubsector: drawfunc = dest_bgra ? llvm->TriFillSubsector32 : llvm->TriFillSubsector8; break;
case TriDrawVariant::Stencil: drawfunc = llvm->TriStencil; break;
}
#else
switch (variant)
{
default:
case TriDrawVariant::Draw: drawfunc = r_swtruecolor ? ScreenPolyTriangleDrawer::draw32 : ScreenPolyTriangleDrawer::draw; break;
case TriDrawVariant::Draw: drawfunc = dest_bgra ? ScreenPolyTriangleDrawer::draw32 : ScreenPolyTriangleDrawer::draw; break;
case TriDrawVariant::FillSubsector:
case TriDrawVariant::Fill: drawfunc = r_swtruecolor ? ScreenPolyTriangleDrawer::fill32 : ScreenPolyTriangleDrawer::fill; break;
case TriDrawVariant::Fill: drawfunc = dest_bgra ? ScreenPolyTriangleDrawer::fill32 : ScreenPolyTriangleDrawer::fill; break;
case TriDrawVariant::DrawShadedSubsector:
case TriDrawVariant::DrawSubsector: drawfunc = r_swtruecolor ? ScreenPolyTriangleDrawer::drawsubsector32 : llvm->TriDrawSubsector8; break;
case TriDrawVariant::DrawSubsector: drawfunc = dest_bgra ? ScreenPolyTriangleDrawer::drawsubsector32 : llvm->TriDrawSubsector8; break;
case TriDrawVariant::Stencil: drawfunc = ScreenPolyTriangleDrawer::stencil; break;
}
#endif
TriDrawTriangleArgs args;
args.dest = dc_destorg;
args.pitch = dc_pitch;
args.clipleft = drawargs.clipleft;
args.clipright = drawargs.clipright;
args.cliptop = drawargs.cliptop;
args.clipbottom = drawargs.clipbottom;
args.dest = dest;
args.pitch = dest_pitch;
args.clipleft = 0;
args.clipright = dest_width;
args.cliptop = 0;
args.clipbottom = dest_height;
args.texturePixels = drawargs.texturePixels;
args.textureWidth = drawargs.textureWidth;
args.textureHeight = drawargs.textureHeight;
@ -163,8 +195,8 @@ void PolyTriangleDrawer::draw_shaded_triangle(const TriVertex *vert, bool ccw, T
v.z *= v.w;
// Apply viewport scale to get screen coordinates:
v.x = viewwidth * (1.0f + v.x) * 0.5f;
v.y = viewheight * (1.0f - v.y) * 0.5f;
v.x = viewport_x + viewport_width * (1.0f + v.x) * 0.5f;
v.y = viewport_y + viewport_height * (1.0f - v.y) * 0.5f;
}
// Draw screen triangles