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Fixed the weird moving textures bug

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Krzosa Karol
2022-07-02 09:43:29 +02:00
parent 345acba124
commit 3a4fb4ecdc
2 changed files with 340 additions and 9 deletions
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15
main.cpp
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@@ -289,6 +289,7 @@ F32 edge_function(Vec4 vecp0, Vec4 vecp1, Vec4 p) {
}
// #include "optimization_log.cpp"
function
void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 light_direction,
Vec4 p0, Vec4 p1, Vec4 p2,
@@ -326,11 +327,13 @@ void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 lig
F32 Cy1 = dy21 * min_x - dx21 * min_y - C1;
F32 Cy2 = dy02 * min_x - dx02 * min_y - C2;
Vec8 zero8 = vec8(0);
Vec8I var07i = vec8i(0,1,2,3,4,5,6,7);
Vec8 var07 = vec8(0,1,2,3,4,5,6,7);
Vec8 Dy10 = vec8(dy10) * var07;
Vec8 Dy21 = vec8(dy21) * var07;
Vec8 Dy02 = vec8(dy02) * var07;
Vec8 var1_8 = vec8(1,2,3,4,5,6,7,8);
Vec8 Dy10 = vec8(dy10) * var1_8;
Vec8 Dy21 = vec8(dy21) * var1_8;
Vec8 Dy02 = vec8(dy02) * var1_8;
Vec8 w0, w1, w2, invw0, invw1, invw2, u, v, interpolated_w;
Vec8I ui, vi;
@@ -355,7 +358,7 @@ void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 lig
Vec8 a = (vec8(x8) + var07);
Vec8 b = vec8(max_x);
should_fill = a < b;
should_fill = should_fill & (Cx0 >= vec8(0) & Cx1 >= vec8(0) & Cx2 >= vec8(0));
should_fill = should_fill & (Cx0 >= zero8 & Cx1 >= zero8 & Cx2 >= zero8);
}
w0 = Cx1 / area8;
@@ -616,10 +619,6 @@ void draw_mesh(Render *r, String scene_name, Obj_Material *materials, Obj_Mesh *
if (in_count > 3) {
draw_triangle_nearest(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[2].pos, in[3].pos, in[0].tex, in[2].tex, in[3].tex, in[0].norm, in[2].norm, in[3].norm);
}
}
}
}