OpenPunk/citra
1
0
Fork 0
mirror of https://github.com/citra-emu/citra.git synced 2024-11-23 03:40:09 +00:00
Code Issues Projects Releases Wiki Activity

Pica/TextureUnit: Implement mirrored repeating texture wrapping.

Browse Source
This commit is contained in:
Tony Wasserka 2015-01-03 13:33:57 +01:00
parent 8bd7a896ea
commit 6ca752ccbc
2 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/video_core/pica.h
View File

@ -120,6 +120,7 @@ struct Regs {
enum WrapMode : u32 { enum WrapMode : u32 {
ClampToEdge = 0, ClampToEdge = 0,
Repeat = 2, Repeat = 2,
MirroredRepeat = 3,
}; };
INSERT_PADDING_WORDS(0x1); INSERT_PADDING_WORDS(0x1);

10
src/video_core/rasterizer.cpp
View File

@ -251,7 +251,15 @@ static void ProcessTriangleInternal(const VertexShader::OutputVertex& v0,
return val; return val;
case Regs::TextureConfig::Repeat: case Regs::TextureConfig::Repeat:
return (int)(((unsigned)val) % size); return (int)((unsigned)val % size);
case Regs::TextureConfig::MirroredRepeat:
{
int val = (int)((unsigned)val % (2 * size));
if (val >= size)
val = 2 * size - 1 - val;
return val;
}
default: default:
LOG_ERROR(HW_GPU, "Unknown texture coordinate wrapping mode %x\n", (int)mode); LOG_ERROR(HW_GPU, "Unknown texture coordinate wrapping mode %x\n", (int)mode);