zdoom
/
qzdoom
mirror of https://github.com/ZDoom/qzdoom.git
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix linear sampling bug

This commit is contained in:
Magnus Norddahl 2016-09-29 02:26:36 +02:00
parent bfa291b02f
commit efd22346d8
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/r_compiler/fixedfunction/fixedfunction.cpp
View File

@ -256,10 +256,10 @@ SSAVec4i DrawerCodegen::sample_linear(SSAUBytePtr col0, SSAUBytePtr col1, SSAInt
SSAInt y0 = frac_y0 >> FRACBITS;
SSAInt y1 = frac_y1 >> FRACBITS;
SSAVec4i p00 = col0[y0].load_vec4ub();
SSAVec4i p01 = col0[y1].load_vec4ub();
SSAVec4i p10 = col1[y0].load_vec4ub();
SSAVec4i p11 = col1[y1].load_vec4ub();
SSAVec4i p00 = col0[y0 * 4].load_vec4ub();
SSAVec4i p01 = col0[y1 * 4].load_vec4ub();
SSAVec4i p10 = col1[y0 * 4].load_vec4ub();
SSAVec4i p11 = col1[y1 * 4].load_vec4ub();
SSAInt inv_b = texturefracx;
SSAInt inv_a = (frac_y1 >> (FRACBITS - 4)) & 15;
@ -278,10 +278,10 @@ SSAVec4i DrawerCodegen::sample_linear(SSAUBytePtr texture, SSAInt xfrac, SSAInt
SSAInt x = xfrac >> xbits;
SSAInt y = yfrac >> ybits;
SSAVec4i p00 = texture[(y & ymask) + ((x & xmask) << yshift)].load_vec4ub();
SSAVec4i p01 = texture[((y + 1) & ymask) + ((x & xmask) << yshift)].load_vec4ub();
SSAVec4i p10 = texture[(y & ymask) + (((x + 1) & xmask) << yshift)].load_vec4ub();
SSAVec4i p11 = texture[((y + 1) & ymask) + (((x + 1) & xmask) << yshift)].load_vec4ub();
SSAVec4i p00 = texture[((y & ymask) + ((x & xmask) << yshift)) * 4].load_vec4ub();
SSAVec4i p01 = texture[(((y + 1) & ymask) + ((x & xmask) << yshift)) * 4].load_vec4ub();
SSAVec4i p10 = texture[((y & ymask) + (((x + 1) & xmask) << yshift)) * 4].load_vec4ub();
SSAVec4i p11 = texture[(((y + 1) & ymask) + (((x + 1) & xmask) << yshift)) * 4].load_vec4ub();
SSAInt inv_b = (xfrac >> (xbits - 4)) & 15;
SSAInt inv_a = (yfrac >> (ybits - 4)) & 15;