krzosa/software_rasterizer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Test cases working, testing operator overloads vs no overloads

Browse Source
This commit is contained in:
Krzosa Karol
2022-07-09 16:09:21 +02:00
parent f1e0646269
commit 33f22effd4
3 changed files with 47 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
optimization_log.cpp
View File

@@ -532,18 +532,27 @@ void draw_triangle_nearest_simd_with_overloads(Bitmap* dst, F32 *depth_buffer, B
dst_b.simd = {_mm256_sqrt_ps(dst_b.simd)};
}
Vec8I result;
for(S64 i = 0; i < 8; i++){
if (should_fill[i]){
U8 red = (U8)(dst_r[i] * 255);
U8 green = (U8)(dst_g[i] * 255);
U8 blue = (U8)(dst_b[i] * 255);
U8 alpha = (U8)(dst_a[i] * 255);
result.e[i] = (U32)(alpha << 24 | blue << 16 | green << 8 | red << 0);
}
}
// Convert to integer format
dst_r = dst_r * var255;
dst_g = dst_g * var255;
dst_b = dst_b * var255;
dst_a = dst_a * var255;
_mm256_maskstore_epi32((int *)dst_memory, should_fill.simd, result.simd);
Vec8I dst_r_int = convert_vec8_to_vec8i(dst_r);
Vec8I dst_g_int = convert_vec8_to_vec8i(dst_g);
Vec8I dst_b_int = convert_vec8_to_vec8i(dst_b);
Vec8I dst_a_int = convert_vec8_to_vec8i(dst_a);
Vec8I dst_int_a_shifted = {_mm256_slli_epi32(dst_a_int.simd, 24)};
Vec8I dst_int_b_shifted = {_mm256_slli_epi32(dst_b_int.simd, 16)};
Vec8I dst_int_g_shifted = {_mm256_slli_epi32(dst_g_int.simd, 8)};
Vec8I dst_int_r_shifted = dst_r_int;
Vec8I packed_abgr0 = {_mm256_or_si256(dst_int_a_shifted.simd, dst_int_b_shifted.simd)};
Vec8I packed_abgr1 = {_mm256_or_si256(packed_abgr0.simd, dst_int_g_shifted.simd)};
Vec8I packed_abgr2 = {_mm256_or_si256(packed_abgr1.simd, dst_int_r_shifted.simd)};
_mm256_maskstore_epi32((int *)dst_memory, should_fill.simd, packed_abgr2.simd);
}
Cy0 -= dx10;