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Even more vectorized and even slower

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Krzosa Karol
2022-07-01 13:55:28 +02:00
parent d6caf62ced
commit 88652d40d6
3 changed files with 21 additions and 20 deletions
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22
main.cpp
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@@ -373,26 +373,20 @@ void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 lig
u = vec8(tex0.x) * invw0 + vec8(tex1.x) * invw1 + vec8(tex2.x) * invw2;
v = vec8(tex0.y) * invw0 + vec8(tex1.y) * invw1 + vec8(tex2.y) * invw2;
u /= interpolated_w;
v /= interpolated_w;
u = u - floor8(u);
v = v - floor8(v);
u = u * vec8(src->x - 1);
v = v * vec8(src->y - 1);
ui = convert_vec8_to_vec8i(u);
vi = convert_vec8_to_vec8i(v);
for(S64 i = 0; i < 8; i++){
if (should_fill[i]){
PROFILE_SCOPE(fill_triangle_after_depth_test);
depth_pointer[i] = interpolated_w[i];
// Vec3 norm = (norm0 * invw0[i] + norm1 * invw1[i] + norm2 * invw2[i]) / interpolated_w[i];
{
u[i] /= interpolated_w[i];
v[i] /= interpolated_w[i];
u[i] = u[i] - floor(u[i]);
v[i] = v[i] - floor(v[i]);
u[i] = u[i] * (src->x - 1);
v[i] = v[i] * (src->y - 1);
}
ui[i] = (S64)(u[i]);
vi[i] = (S64)(v[i]);
//F32 udiff = u - (F32)ui;
//F32 vdiff = v - (F32)vi;
// Origin UV (0,0) is in bottom left
U32 *dst_pixel = destination + x[i];
U32 *pixel = src->pixels + (ui[i] + (src->y - 1ll - vi[i]) * src->x);