OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
1
Fork 0
Code Activity

Some basic fixed light support

Browse source
This commit is contained in:
Magnus Norddahl 2016-11-15 23:30:42 +01:00
commit a092a03c6d
6 changed files with 21 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/r_compiler/fixedfunction/drawtrianglecodegen.cpp
View file

@ -254,7 +254,8 @@ void DrawTriangleCodegen::LoopBlockX(TriDrawVariant variant, bool truecolor)
SSAFloat vis = globVis / rcpWTL;
SSAFloat shade = 64.0f - (SSAFloat(light * 255 / 256) + 12.0f) * 32.0f / 128.0f;
SSAFloat lightscale = SSAFloat::clamp((shade - SSAFloat::MIN(SSAFloat(24.0f), vis)) / 32.0f, SSAFloat(0.0f), SSAFloat(31.0f / 32.0f));
diminishedlight = SSAInt(SSAFloat::clamp((1.0f - lightscale) * 256.0f + 0.5f, SSAFloat(0.0f), SSAFloat(256.0f)), false);
SSAInt diminishedlight = SSAInt(SSAFloat::clamp((1.0f - lightscale) * 256.0f + 0.5f, SSAFloat(0.0f), SSAFloat(256.0f)), false);
currentlight = is_fixed_light.select(light, diminishedlight);
SetStencilBlock(x / 8 + y / 8 * stencilPitch);
@ -473,7 +474,7 @@ void DrawTriangleCodegen::ProcessPixel(SSAUBytePtr buffer, SSAIntPtr subsectorbu
{
SSAVec4i fg = texturePixels[uvoffset * 4].load_vec4ub(true);
SSAInt fg_alpha = fg[3];
fg = (fg * diminishedlight) >> 8;
fg = (fg * currentlight) >> 8;
fg.insert(3, fg_alpha);
if (variant == TriDrawVariant::DrawMasked || variant == TriDrawVariant::DrawSubsector)
@ -625,4 +626,5 @@ void DrawTriangleCodegen::LoadUniforms(SSAValue uniforms)
is_simple_shade = (flags & TriUniforms::simple_shade) == SSAInt(TriUniforms::simple_shade);
is_nearest_filter = (flags & TriUniforms::nearest_filter) == SSAInt(TriUniforms::nearest_filter);
is_fixed_light = (flags & TriUniforms::fixed_light) == SSAInt(TriUniforms::fixed_light);
}