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Update perf counters

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This commit is contained in:
Krzosa Karol
2022-06-30 10:45:57 +02:00
parent 5594165623
commit a7fa817992
4 changed files with 155 additions and 121 deletions
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98
optimization_log.cpp
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@@ -1,5 +1,5 @@
function
void draw_triangle_nearest1(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 light_direction,
void draw_triangle_nearest_a(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 light_direction,
Vec4 p0, Vec4 p1, Vec4 p2,
Vec2 tex0, Vec2 tex1, Vec2 tex2,
Vec3 norm0, Vec3 norm1, Vec3 norm2) {
@@ -221,4 +221,98 @@ void draw_triangle_nearest_b(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 l
}
// if(os.frame > 10) PROFILE_END(draw_triangle);
}
}
function
void draw_triangle_bilinear(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 light_direction,
Vec4 p0, Vec4 p1, Vec4 p2,
Vec2 tex0, Vec2 tex1, Vec2 tex2,
Vec3 norm0, Vec3 norm1, Vec3 norm2) {
F32 min_x1 = (F32)(min(p0.x, min(p1.x, p2.x)));
F32 min_y1 = (F32)(min(p0.y, min(p1.y, p2.y)));
F32 max_x1 = (F32)(max(p0.x, max(p1.x, p2.x)));
F32 max_y1 = (F32)(max(p0.y, max(p1.y, p2.y)));
S64 min_x = (S64)clamp_bot(0.f, floor(min_x1));
S64 min_y = (S64)clamp_bot(0.f, floor(min_y1));
S64 max_x = (S64)clamp_top((F32)dst->x, ceil(max_x1));
S64 max_y = (S64)clamp_top((F32)dst->y, ceil(max_y1));
F32 area = edge_function(p0, p1, p2);
for (S64 y = min_y; y < max_y; y++) {
for (S64 x = min_x; x < max_x; x++) {
F32 edge0 = edge_function(p0, p1, { (F32)x,(F32)y });
F32 edge1 = edge_function(p1, p2, { (F32)x,(F32)y });
F32 edge2 = edge_function(p2, p0, { (F32)x,(F32)y });
if (edge0 >= 0 && edge1 >= 0 && edge2 >= 0) {
F32 w1 = edge1 / area;
F32 w2 = edge2 / area;
F32 w3 = edge0 / area;
F32 interpolated_w = (1.f / p0.w) * w1 + (1.f / p1.w) * w2 + (1.f / p2.w) * w3;
// @Note: We could do: interpolated_w = 1.f / interpolated_w to get proper depth
// but why waste an instruction, the smaller the depth value the farther the object
F32* depth = depth_buffer + (x + y * dst->x);
if (*depth < interpolated_w) {
*depth = interpolated_w;
F32 invw0 = (w1 / p0.w);
F32 invw1 = (w2 / p1.w);
F32 invw2 = (w3 / p2.w);
Vec3 norm = (norm0 * invw0 + norm1 * invw1 + norm2 * invw2) / interpolated_w;
F32 u = tex0.x * invw0 + tex1.x * invw1 + tex2.x * invw2;
F32 v = tex0.y * invw0 + tex1.y * invw1 + tex2.y * invw2;
{
u /= interpolated_w;
v /= interpolated_w;
u = u - floor(u);
v = v - floor(v);
u = u * (src->x - 1);
v = v * (src->y - 1);
}
S64 ui = (S64)(u);
S64 vi = (S64)(v);
F32 udiff = u - (F32)ui;
F32 vdiff = v - (F32)vi;
// Origin UV (0,0) is in bottom left
U32 *pixel = src->pixels + (ui + (src->y - 1ll - vi) * src->x);
U32 *dst_pixel = dst->pixels + (x + y * dst->x);
#if 0
Vec4 result_color = vec4abgr(*pixel);
#else
Vec4 pixelx1y1 = vec4abgr(*pixel);
Vec4 pixelx2y1 = vec4abgr(*(pixel + 1));
Vec4 pixelx1y2 = vec4abgr(*(pixel - src->x));
Vec4 pixelx2y2 = vec4abgr(*(pixel + 1 - src->x));
pixelx1y1 = srgb_to_almost_linear(pixelx1y1);
pixelx2y1 = srgb_to_almost_linear(pixelx2y1);
pixelx1y2 = srgb_to_almost_linear(pixelx1y2);
pixelx2y2 = srgb_to_almost_linear(pixelx2y2);
Vec4 blendx1 = lerp(pixelx1y1, pixelx2y1, udiff);
Vec4 blendx2 = lerp(pixelx1y2, pixelx2y2, udiff);
Vec4 result_color = lerp(blendx1, blendx2, vdiff);
#endif
Vec3 light_color = vec3(0.8,0.8,1);
constexpr F32 ambient_strength = 0.1f; {
Vec3 ambient = ambient_strength * light_color;
Vec3 diffuse = clamp_bot(0.f, -dot(norm, light_direction)) * light_color;
result_color.rgb *= (ambient+diffuse);
}
Vec4 dst_color = vec4abgr(*dst_pixel);
dst_color = srgb_to_almost_linear(dst_color);
result_color = premultiplied_alpha(dst_color, result_color);
result_color = almost_linear_to_srgb(result_color);
U32 color32 = vec4_to_u32abgr(result_color);
*dst_pixel = color32;
}
}
}
}
}