diff --git a/sf_main.cpp b/sf_main.cpp
new file mode 100644
index 0000000..5a25c5e
--- /dev/null
+++ b/sf_main.cpp
@@ -0,0 +1,927 @@
+
+#include "sf_obj_dump.cpp"
+#include "sf_vec.cpp"
+#include "sf_work_queue.cpp"
+#define PROFILE_SCOPE(x)
+#define MULTITHREADING 1
+
+struct Vertex {
+  Vec3 pos;
+  Vec2 tex;
+  Vec3 norm;
+};
+
+struct Render_Command{
+  Bitmap *src;
+  Vec4 p0, p1, p2;
+  Vec2 tex0, tex1, tex2;
+};
+
+struct Render {
+  Mat4 camera;
+  Mat4 projection;
+  Mat4 transform;
+
+  Vec3 camera_pos;
+  Vec3 camera_direction;
+  Vec3 camera_forward_velocity;
+  Vec2 camera_yaw;
+  Vec3 camera_target;
+  Bitmap img;
+  B32 plot_ready;
+  Bitmap plot;
+  Bitmap screen320;
+  F32 *depth320;
+
+  WorkQueue work_queue;
+  Array_List<Render_Command> commands;
+};
+
+struct Render_Tile_Job_Data{
+  Render *r;
+  Rect2 region;
+};
+
+enum Scene {
+  Scene_F22,
+  Scene_Sponza,
+  Scene_Count,
+};
+
+global F32 light_rotation = 0;
+global F32 zfar_value = 100000.f;
+
+function
+Vec4 srgb_to_almost_linear(Vec4 a) {
+  Vec4 result = {a.r*a.r, a.g*a.g, a.b*a.b, a.a};
+  return result; // @Note: Linear would be to power of 2.2
+}
+
+function
+Vec4 almost_linear_to_srgb(Vec4 a) {
+  Vec4 result = { sqrtf(a.r), sqrtf(a.g), sqrtf(a.b), a.a };
+  return result;
+}
+
+function
+Vec4 premultiplied_alpha(Vec4 dst, Vec4 src) {
+  Vec4 result;
+  result.r = src.r + ((1-src.a) * dst.r);
+  result.g = src.g + ((1-src.a) * dst.g);
+  result.b = src.b + ((1-src.a) * dst.b);
+  result.a = src.a + dst.a - src.a*dst.a;
+  return result;
+}
+
+function
+void draw_rect(Bitmap* dst, F32 X, F32 Y, F32 w, F32 h, Vec4 color) {
+  int max_x = (int)(min(X + w, (F32)dst->x) + 0.5f);
+  int max_y = (int)(min(Y + h, (F32)dst->y) + 0.5f);
+  int min_x = (int)(max(0.f, X) + 0.5f);
+  int min_y = (int)(max(0.f, Y) + 0.5f);
+
+  color.rgb *= color.a;
+  color = srgb_to_almost_linear(color);
+  for (int y = min_y; y < max_y; y++) {
+    for (int x = min_x; x < max_x; x++) {
+      U32 *dst_pixel = dst->pixels + (x + y * dst->x);
+      Vec4 dstc = srgb_to_almost_linear(vec4abgr(*dst_pixel));
+      dstc = premultiplied_alpha(dstc, color);
+      U32 color32 = vec4_to_u32abgr(almost_linear_to_srgb(dstc));
+      *dst_pixel = color32;
+    }
+  }
+}
+
+function void
+draw_bitmap(Bitmap *dst, Bitmap *src, Vec2 pos){
+  S64 minx = (S64)(pos.x + 0.5);
+  S64 miny = (S64)(pos.y + 0.5);
+  S64 maxx = minx + src->x;
+  S64 maxy = miny + src->y;
+  S64 offsetx = 0;
+  S64 offsety = 0;
+
+  if (maxx > dst->x) {
+    maxx = dst->x;
+  }
+  if (maxy > dst->y) {
+    maxy = dst->y;
+  }
+  if (minx < 0) {
+    offsetx = -minx;
+    minx = 0;
+  }
+  if (miny < 0) {
+    offsety = -miny;
+    miny = 0;
+  }
+  for (S64 y = miny; y < maxy; y++) {
+    for (S64 x = minx; x < maxx; x++) {
+      S64 tx = x - minx + offsetx;
+      S64 ty = y - miny + offsety;
+      U32 *dst_pixel = dst->pixels + (x + y * dst->x);
+      U32 *pixel     = src->pixels + (tx + ty * src->x);
+      Vec4 result_color = srgb_to_almost_linear(vec4abgr(*pixel));
+      Vec4 dst_color = srgb_to_almost_linear(vec4abgr(*dst_pixel));
+      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;
+    }
+  }
+}
+
+function
+void draw_bitmap(Bitmap* dst, Bitmap* src, Vec2 pos, Vec2 size) {
+  S64 minx = (S64)(pos.x + 0.5);
+  S64 miny = (S64)(pos.y + 0.5);
+  S64 maxx = minx + (S64)(size.x + 0.5f);
+  S64 maxy = miny + (S64)(size.y + 0.5f);
+  S64 offsetx = 0;
+  S64 offsety = 0;
+  maxx = clamp_top(maxx, (S64)dst->x);
+  maxy = clamp_top(maxy, (S64)dst->y);
+  if (minx < 0) {
+    offsetx = -minx;
+    minx = 0;
+  }
+  if (miny < 0) {
+    offsety = -miny;
+    miny = 0;
+  }
+
+  F32 distx = (F32)(maxx - minx);
+  F32 disty = (F32)(maxy - miny);
+  for (S64 y = miny; y < maxy; y++) {
+    for (S64 x = minx; x < maxx; x++) {
+      F32 u = (F32)(x - minx) / distx;
+      F32 v = (F32)(y - miny) / disty;
+      S64 tx = (S64)(u * src->x + 0.5f);
+      S64 ty = (S64)(v * src->y + 0.5f);
+      U32 *dst_pixel = dst->pixels + (x + y * dst->x);
+      U32 *pixel     = src->pixels + (tx + ty * src->x);
+      Vec4 result_color = srgb_to_almost_linear(vec4abgr(*pixel));
+      Vec4 dst_color = srgb_to_almost_linear(vec4abgr(*dst_pixel));
+      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;
+    }
+  }
+}
+
+function
+Vec4 base_string(Bitmap *dst, Font *font, String word, Vec2 pos, B32 draw) {
+  Vec2 og_position = pos;
+  F32 max_x = pos.x;
+  for (U64 i = 0; i < word.len; i++) {
+    if (word.str[i] == ' ') {
+      FontGlyph* g = &font->glyphs['_' - '!'];
+      pos.x += g->xadvance;
+      if (pos.x > max_x) max_x = pos.x;
+    }
+    else if (word.str[i] == '\n') {
+      pos.y -= font->line_advance;
+      pos.x = og_position.x;
+    }
+    else if((word.str[i] >= '!' && word.str[i] <= 127)){
+      FontGlyph* g = &font->glyphs[word.str[i] - '!'];
+      if(draw) draw_bitmap(dst, &g->bitmap, pos - g->bitmap.align);
+      pos.x += g->xadvance;
+      if (pos.x > max_x) max_x = pos.x;
+    }
+  }
+  Vec4 rect = vec4(og_position.x, pos.y, max_x - og_position.x, og_position.y - pos.y + font->line_advance);
+  return rect;
+}
+
+function
+Vec4 draw_string(Bitmap *dst, Font *font, String word, Vec2 pos) {
+  return base_string(dst, font, word, pos, true);
+}
+
+function
+Vec4 get_string_rect(Font *font, String word, Vec2 pos) {
+  return base_string(0, font, word, pos, false);
+}
+
+function
+F32 edge_function(Vec4 vecp0, Vec4 vecp1, Vec4 p) {
+  F32 result = (vecp1.y - vecp0.y) * (p.x - vecp0.x) - (vecp1.x - vecp0.x) * (p.y - vecp0.y);
+  return result;
+}
+
+#define F32x8 __m256
+#define S32x8 __m256i
+
+S32 render_triangle_test_case_number = 5;
+S32 render_triangle_test_case_angle = -1;
+U64 filled_pixel_count;
+U64 filled_pixel_cycles;
+U64 triangle_count;
+#include "optimization_log.cpp"
+
+
+function
+void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src,
+                           Vec4 p0,   Vec4 p1,   Vec4 p2,
+                           Vec2 tex0, Vec2 tex1, Vec2 tex2, Rect2 rect) {
+  if(src->pixels == 0) return;
+
+  // U64 fill_pixels_begin = __rdtsc();
+
+  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)max(rect.min_x, floor(min_x1));
+  S64 min_y = (S64)max(rect.min_y, floor(min_y1));
+  S64 max_x = (S64)min(rect.max_x, ceil(max_x1));
+  S64 max_y = (S64)min(rect.max_y, ceil(max_y1));
+
+  if (min_y >= max_y) return;
+  if (min_x >= max_x) return;
+
+  F32 dy10 = (p1.y - p0.y);
+  F32 dy21 = (p2.y - p1.y);
+  F32 dy02 = (p0.y - p2.y);
+
+  F32 dx10 = (p1.x - p0.x);
+  F32 dx21 = (p2.x - p1.x);
+  F32 dx02 = (p0.x - p2.x);
+
+  F32x8 var255 = _mm256_set1_ps(255);
+  F32x8 var0 = _mm256_set1_ps(0);
+  F32x8 var1 = _mm256_set1_ps(1);
+  F32x8 var_max_x = _mm256_set1_ps(max_x);
+  F32x8 var07 = _mm256_set_ps(7,6,5,4,3,2,1,0);
+  F32x8 inv255 = _mm256_div_ps(var1, var255);
+
+  F32x8 var_src_x_minus_one = _mm256_set1_ps(src->x-1);
+  F32x8 var_src_y_minus_one = _mm256_set1_ps(src->y-1);
+  S32x8 var_src_y_minus_one_int = _mm256_set1_epi32(src->y-1);
+  S32x8 var_src_x_int = _mm256_set1_epi32(src->x);
+
+  S32x8 var_0xff000000 = _mm256_set1_epi32(0xff000000);
+  S32x8 var_0x00ff0000 = _mm256_set1_epi32(0x00ff0000);
+  S32x8 var_0x0000ff00 = _mm256_set1_epi32(0x0000ff00);
+  S32x8 var_0x000000ff = _mm256_set1_epi32(0x000000ff);
+
+  F32x8 var_tex0x = _mm256_set1_ps(tex0.x);
+  F32x8 var_tex1x = _mm256_set1_ps(tex1.x);
+  F32x8 var_tex2x = _mm256_set1_ps(tex2.x);
+  F32x8 var_tex0y = _mm256_set1_ps(tex0.y);
+  F32x8 var_tex1y = _mm256_set1_ps(tex1.y);
+  F32x8 var_tex2y = _mm256_set1_ps(tex2.y);
+
+  F32x8 inv_p0w = _mm256_div_ps(var1, _mm256_set1_ps(p0.w));
+  F32x8 inv_p1w = _mm256_div_ps(var1, _mm256_set1_ps(p1.w));
+  F32x8 inv_p2w = _mm256_div_ps(var1, _mm256_set1_ps(p2.w));
+  F32x8 one_over_p0w = _mm256_set1_ps(1.f / p0.w);
+  F32x8 one_over_p1w = _mm256_set1_ps(1.f / p1.w);
+  F32x8 one_over_p2w = _mm256_set1_ps(1.f / p2.w);
+
+  U32 *destination = dst->pixels + dst->x*min_y;
+  F32 area = (p1.y - p0.y) * (p2.x - p0.x) - (p1.x - p0.x) * (p2.y - p0.y);
+  F32x8 inv_area8 = _mm256_div_ps(var1, _mm256_set1_ps(area));
+
+  F32x8 _dy10 = _mm256_set1_ps(dy10);
+  F32x8 _dx10 = _mm256_set1_ps(dx10);
+  F32x8 _dy21 = _mm256_set1_ps(dy21);
+  F32x8 _dx21 = _mm256_set1_ps(dx21);
+  F32x8 _dy02 = _mm256_set1_ps(dy02);
+  F32x8 _dx02 = _mm256_set1_ps(dx02);
+  F32x8 p0_x = _mm256_set1_ps(p0.x);
+  F32x8 p0_y = _mm256_set1_ps(p0.y);
+  F32x8 p1_x = _mm256_set1_ps(p1.x);
+  F32x8 p1_y = _mm256_set1_ps(p1.y);
+  F32x8 p2_x = _mm256_set1_ps(p2.x);
+  F32x8 p2_y = _mm256_set1_ps(p2.y);
+
+  for (S64 y = min_y; y < max_y; y++) {
+    F32x8 Y = _mm256_set1_ps(y);
+    for (S64 x8 = min_x; x8 < max_x; x8+=8) {
+      F32x8 X = _mm256_add_ps(_mm256_set1_ps(x8), var07);
+
+      // Compute the edges
+      // F32x8 edge0 = (p1.y - p0.y) * (p.x - p0.x) - (p1.x - p0.x) * (p.y - p0.y);
+      F32x8 px_minus_0x = _mm256_sub_ps(X, p0_x);
+      F32x8 py_minus_0y = _mm256_sub_ps(Y, p0_y);
+      F32x8 right0 = _mm256_mul_ps(_dx10, py_minus_0y);
+      F32x8 edge0 = _mm256_fmsub_ps(_dy10, px_minus_0x, right0);
+
+      // F32 result = (p2.y - p1.y) * (p.x - p1.x) - (p2.x - p1.x) * (p.y - p1.y);
+      F32x8 px_minus_1x = _mm256_sub_ps(X, p1_x);
+      F32x8 py_minus_1y = _mm256_sub_ps(Y, p1_y);
+      F32x8 right1 = _mm256_mul_ps(_dx21, py_minus_1y);
+      F32x8 edge1 = _mm256_fmsub_ps(_dy21, px_minus_1x, right1);
+
+      // F32 result = (p0.y - p2.y) * (p.x - p2.x) - (p0.x - p2.x) * (p.y - p2.y);
+      F32x8 px_minus_2x = _mm256_sub_ps(X, p2_x);
+      F32x8 py_minus_2y = _mm256_sub_ps(Y, p2_y);
+      F32x8 right2 = _mm256_mul_ps(_dx02, py_minus_2y);
+      F32x8 edge2 = _mm256_fmsub_ps(_dy02, px_minus_2x, right2);
+
+      F32x8 should_fill;
+      F32x8 test_if_x_should_be_clipped = _mm256_cmp_ps(X, var_max_x, _CMP_LT_OQ);
+      F32x8 test_if_pixel_inside_edge_using_dot_result0  = _mm256_cmp_ps(edge0, var0, _CMP_GE_OQ);
+      F32x8 test_if_pixel_inside_edge_using_dot_result1  = _mm256_cmp_ps(edge1, var0, _CMP_GE_OQ);
+      F32x8 test_if_pixel_inside_edge_using_dot_result2  = _mm256_cmp_ps(edge2, var0, _CMP_GE_OQ);
+      F32x8 dot_result_combination0  = _mm256_and_ps(test_if_pixel_inside_edge_using_dot_result0, test_if_pixel_inside_edge_using_dot_result1);
+      F32x8 dot_result_combination1 = _mm256_and_ps(dot_result_combination0, test_if_pixel_inside_edge_using_dot_result2);
+      should_fill = _mm256_and_ps(test_if_x_should_be_clipped, dot_result_combination1);
+
+      F32x8 w0 = _mm256_mul_ps(edge1, inv_area8);
+      F32x8 w1 = _mm256_mul_ps(edge2, inv_area8);
+      F32x8 w2 = _mm256_mul_ps(edge0, inv_area8);
+
+      // @Todo: Turn this into 1 / interpolated_w, turns out in theory it should be
+      // more performant but couldn't make it work
+
+      // @Old_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
+      F32x8 interpolated_w = _mm256_mul_ps(one_over_p0w, w0);
+      interpolated_w = _mm256_fmadd_ps(one_over_p1w, w1, interpolated_w);
+      interpolated_w = _mm256_fmadd_ps(one_over_p2w, w2, interpolated_w);
+
+      F32 *depth_pointer = (depth_buffer + (x8 + y * dst->x));
+      F32x8 depth = _mm256_loadu_ps(depth_pointer);
+
+      F32x8 should_fill_term = _mm256_cmp_ps(depth, interpolated_w, _CMP_LT_OQ);
+      should_fill = _mm256_and_ps(should_fill, should_fill_term);
+
+      // If all pixels are not going to get drawn then opt out
+      F32x8 compare_with_zero = _mm256_cmpeq_epi32(should_fill, var0);
+      int mask = _mm256_movemask_epi8(compare_with_zero);
+      if(mask == 0xffffffff) {
+        continue;
+      }
+
+      F32x8 invw0 = _mm256_mul_ps(w0, inv_p0w);
+      F32x8 invw1 = _mm256_mul_ps(w1, inv_p1w);
+      F32x8 invw2 = _mm256_mul_ps(w2, inv_p2w);
+
+      F32x8 u0 = _mm256_mul_ps(var_tex0x, invw0);
+      u0 = _mm256_fmadd_ps(var_tex1x, invw1, u0);
+      u0 = _mm256_fmadd_ps(var_tex2x, invw2, u0);
+
+      F32x8 v0 = _mm256_mul_ps(var_tex0y, invw0);
+      v0 = _mm256_fmadd_ps(var_tex1y, invw1, v0);
+      v0 = _mm256_fmadd_ps(var_tex2y, invw2, v0);
+
+      F32x8 u1 = _mm256_div_ps(u0, interpolated_w);
+      F32x8 v1 = _mm256_div_ps(v0, interpolated_w);
+
+      F32x8 u_floored = _mm256_floor_ps(u1);
+      F32x8 v_floored = _mm256_floor_ps(v1);
+      F32x8 u2 = _mm256_sub_ps(u1, u_floored);
+      F32x8 v2 = _mm256_sub_ps(v1, v_floored);
+      F32x8 u3 = _mm256_mul_ps(u2, var_src_x_minus_one);
+      F32x8 v3 = _mm256_mul_ps(v2, var_src_y_minus_one);
+
+      F32x8 ui = _mm256_cvtps_epi32(u3);
+      F32x8 vi = _mm256_cvtps_epi32(v3);
+
+      // Origin UV (0,0) is in bottom left
+      _mm256_maskstore_epi32((int *)depth_pointer, should_fill, interpolated_w);
+
+      //
+      // Fetch and calculate texel values
+      //
+      S32x8 indices_to_fetch0 = _mm256_sub_epi32(var_src_y_minus_one_int, vi);
+      S32x8 indices_to_fetch1 = _mm256_mullo_epi32(var_src_x_int, indices_to_fetch0);
+      S32x8 indices_to_fetch2  = _mm256_add_epi32(indices_to_fetch1, ui);
+      S32x8 indices_to_fetch3 = _mm256_and_si256(indices_to_fetch2, should_fill);
+
+      S32x8 pixel = _mm256_set_epi32(
+        src->pixels[_mm256_extract_epi32(indices_to_fetch3, 7)],
+        src->pixels[_mm256_extract_epi32(indices_to_fetch3, 6)],
+        src->pixels[_mm256_extract_epi32(indices_to_fetch3, 5)],
+        src->pixels[_mm256_extract_epi32(indices_to_fetch3, 4)],
+        src->pixels[_mm256_extract_epi32(indices_to_fetch3, 3)],
+        src->pixels[_mm256_extract_epi32(indices_to_fetch3, 2)],
+        src->pixels[_mm256_extract_epi32(indices_to_fetch3, 1)],
+        src->pixels[_mm256_extract_epi32(indices_to_fetch3, 0)]
+      );
+
+      S32x8 texel_i_a = _mm256_and_si256(pixel, var_0xff000000);
+      S32x8 texel_i_b = _mm256_and_si256(pixel, var_0x00ff0000);
+      S32x8 texel_i_g = _mm256_and_si256(pixel, var_0x0000ff00);
+      S32x8 texel_i_r = _mm256_and_si256(pixel, var_0x000000ff);
+
+      texel_i_a = _mm256_srli_epi32(texel_i_a, 24);
+      texel_i_b = _mm256_srli_epi32(texel_i_b, 16);
+      texel_i_g = _mm256_srli_epi32(texel_i_g, 8 );
+
+      F32x8 texel_a0 = _mm256_cvtepi32_ps(texel_i_a);
+      F32x8 texel_b0 = _mm256_cvtepi32_ps(texel_i_b);
+      F32x8 texel_g0 = _mm256_cvtepi32_ps(texel_i_g);
+      F32x8 texel_r0 = _mm256_cvtepi32_ps(texel_i_r);
+
+      F32x8 texel_b1 = _mm256_mul_ps(texel_b0, inv255);
+      F32x8 texel_g1 = _mm256_mul_ps(texel_g0, inv255);
+      F32x8 texel_r1 = _mm256_mul_ps(texel_r0, inv255);
+      F32x8 texel_a1 = _mm256_mul_ps(texel_a0, inv255);
+
+      texel_r1 = _mm256_mul_ps(texel_r1, texel_r1);
+      texel_g1 = _mm256_mul_ps(texel_g1, texel_g1);
+      texel_b1 = _mm256_mul_ps(texel_b1, texel_b1);
+
+      //
+      // Fetch and calculate dst pixels
+      //
+      U32 *dst_memory = destination + x8;
+      S32x8 dst_pixel = _mm256_maskload_epi32((const int *)dst_memory, should_fill);
+
+      S32x8 dst_i_a0 = _mm256_and_si256(dst_pixel, var_0xff000000);
+      S32x8 dst_i_b0 = _mm256_and_si256(dst_pixel, var_0x00ff0000);
+      S32x8 dst_i_g0 = _mm256_and_si256(dst_pixel, var_0x0000ff00);
+      S32x8 dst_i_r0 = _mm256_and_si256(dst_pixel, var_0x000000ff);
+
+      S32x8 dst_i_a1 = _mm256_srli_epi32(dst_i_a0, 24);
+      S32x8 dst_i_b1 = _mm256_srli_epi32(dst_i_b0, 16);
+      S32x8 dst_i_g1 = _mm256_srli_epi32(dst_i_g0, 8);
+      S32x8 dst_i_r1 = dst_i_r0;
+
+      F32x8 dst_a = _mm256_cvtepi32_ps(dst_i_a1);
+      F32x8 dst_b = _mm256_cvtepi32_ps(dst_i_b1);
+      F32x8 dst_g = _mm256_cvtepi32_ps(dst_i_g1);
+      F32x8 dst_r = _mm256_cvtepi32_ps(dst_i_r1);
+
+      dst_a = _mm256_mul_ps(dst_a, inv255);
+      dst_b = _mm256_mul_ps(dst_b, inv255);
+      dst_g = _mm256_mul_ps(dst_g, inv255);
+      dst_r = _mm256_mul_ps(dst_r, inv255);
+
+      dst_r = _mm256_mul_ps(dst_r, dst_r);
+      dst_g = _mm256_mul_ps(dst_g, dst_g);
+      dst_b = _mm256_mul_ps(dst_b, dst_b);
+
+      // Premultiplied alpha
+      {
+        F32x8 inv_texel_a = _mm256_sub_ps(var1,texel_a1);
+        dst_r = _mm256_fmadd_ps(inv_texel_a, dst_r, texel_r1);
+        dst_g = _mm256_fmadd_ps(inv_texel_a, dst_g, texel_g1);
+        dst_b = _mm256_fmadd_ps(inv_texel_a, dst_b, texel_b1);
+        dst_a = _mm256_sub_ps(_mm256_add_ps(texel_a1, dst_a), _mm256_mul_ps(texel_a1,dst_a));
+      }
+
+      // Almost linear to srgb
+      {
+        dst_r = _mm256_sqrt_ps(dst_r);
+        dst_g = _mm256_sqrt_ps(dst_g);
+        dst_b = _mm256_sqrt_ps(dst_b);
+      }
+
+      // Convert to integer format
+      dst_r = _mm256_mul_ps(dst_r, var255);
+      dst_g = _mm256_mul_ps(dst_g, var255);
+      dst_b = _mm256_mul_ps(dst_b, var255);
+      dst_a = _mm256_mul_ps(dst_a, var255);
+
+      S32x8 dst_r_int = _mm256_cvtps_epi32(dst_r);
+      S32x8 dst_g_int = _mm256_cvtps_epi32(dst_g);
+      S32x8 dst_b_int = _mm256_cvtps_epi32(dst_b);
+      S32x8 dst_a_int = _mm256_cvtps_epi32(dst_a);
+
+      S32x8 dst_int_a_shifted = _mm256_slli_epi32(dst_a_int, 24);
+      S32x8 dst_int_b_shifted = _mm256_slli_epi32(dst_b_int, 16);
+      S32x8 dst_int_g_shifted = _mm256_slli_epi32(dst_g_int, 8);
+      S32x8 dst_int_r_shifted = dst_r_int;
+
+      S32x8 packed_abgr0 = _mm256_or_si256(dst_int_a_shifted, dst_int_b_shifted);
+      S32x8 packed_abgr1 = _mm256_or_si256(dst_int_r_shifted, dst_int_g_shifted);
+      S32x8 packed_abgr2 = _mm256_or_si256(packed_abgr1, packed_abgr0);
+
+      _mm256_maskstore_epi32((int *)dst_memory, should_fill, packed_abgr2);
+    }
+    destination += dst->x;
+  }
+
+  // filled_pixel_cycles += __rdtsc() - fill_pixels_begin;
+  // filled_pixel_count  += (max_x - min_x)*(max_y - min_y);
+}
+
+WORK_QUEUE_CALLBACK(draw_tile){
+  auto d = (Render_Tile_Job_Data *)data;
+  Render *r = d->r;
+  For_It(r->commands){
+    draw_triangle_nearest(&r->screen320, r->depth320, it.item->src, it.item->p0, it.item->p1, it.item->p2, it.item->tex0, it.item->tex1, it.item->tex2, d->region);
+  }
+}
+
+function
+void draw_mesh(Render *r, String scene_name, Obj_Material *materials, Obj_Mesh *mesh, Vec3 *vertices, Vec2 *tex_coords, Vec3 *normals) {
+
+  for (int i = 0; i < mesh->indices.len; i++) {
+    Obj_Index *index = mesh->indices.data + i;
+    Bitmap *image = &r->img;
+    if(index->material_id != -1) {
+      Obj_Material *material = materials + index->material_id;
+      // @Todo: No size info from OBJ things, this stuff needs a bit of refactor
+      //        Need to figure out how to accomodate multiple possible formats of input etc.
+      if(material->texture_ambient.pixels) {
+        image = &material->texture_ambient;
+      }
+    }
+
+    Vertex vert[] = {
+      {
+        vertices[index->vertex[0] - 1],
+        tex_coords[index->tex[0] - 1],
+        normals[index->normal[0] - 1],
+      },
+      {
+        vertices[index->vertex[1] - 1],
+        tex_coords[index->tex[1] - 1],
+        normals[index->normal[1] - 1],
+      },
+      {
+        vertices[index->vertex[2] - 1],
+        tex_coords[index->tex[2] - 1],
+        normals[index->normal[2] - 1],
+      },
+    };
+
+    //@Note: Transform
+    for (int j = 0; j < 3; j++) {
+      vert[j].pos = r->transform * vert[j].pos;
+    }
+
+
+    Vec3 p0_to_camera = r->camera_pos - vert[0].pos;
+    Vec3 p0_to_p1 = vert[1].pos - vert[0].pos;
+    Vec3 p0_to_p2 = vert[2].pos - vert[0].pos;
+    Vec3 normal = normalize(cross(p0_to_p1, p0_to_p2));
+    Vec3 light_direction =  mat4_rotation_x(light_rotation) * vec3(0, 0, 1);
+
+    if (dot(normal, p0_to_camera) > 0) { //@Note: Backface culling
+      /// ## Clipping
+      ///
+      /// There are 3 clipping stages, 2 clipping stages in 3D space against zfar and znear and 1 clipping
+      /// stage in 2D against left, bottom, right, top(2D image bounds).
+      ///
+      /// First the triangles get clipped against the zfar plane,
+      /// if a triangle has even one vertex outside the clipping region, the entire triangle gets cut.
+      /// So far I didn't have problems with that. It simplifies the computations and splitting triangles
+      /// on zfar seems like a waste of power.
+      ///
+      /// The second clipping stage is znear plane. Triangles get fully and nicely clipped against znear.
+      /// Every time a triangle gets partially outside the clipping region it gets cut to the znear and
+      /// either one or two new triangles get derived from the old one.
+      ///
+      /// Last clipping stage is performed in the 2D image space. Every triangle has a corresponding AABB
+      /// box. In this box every pixel gets tested to see if it's in the triangle. In this clipping stage
+      /// the box is clipped to the image metrics - 0, 0, width, height.
+      ///
+      ///
+      // @Note: Zfar
+      B32 vertex_is_outside = false;
+      Vec3 zfar_normal = vec3(0, 0, -1);
+      Vec3 zfar_pos = vec3(0, 0, zfar_value);
+      for (S32 j = 0; j < 3; j++) {
+        // @Note: Camera
+        vert[j].pos = r->camera * vert[j].pos;
+        // @Note: Skip triangle if even one vertex gets outside the clipping plane
+        if ((dot(zfar_normal, vert[j].pos - zfar_pos) < 0)) {
+          vertex_is_outside = true;
+          break;
+        }
+      }
+
+      if (vertex_is_outside) {
+        continue;
+      }
+
+      // @Note: Znear, clip triangles to the near clipping plane
+      Vec3 znear_normal = vec3(0, 0, 1);
+      Vec3 znear_pos = vec3(0, 0, 1.f);
+
+      struct _Vertex {
+        Vec4 pos;
+        Vec2 tex;
+        Vec3 norm;
+      } in[4];
+      S32 in_count = 0;
+
+      Vertex *prev = vert + 2;
+      Vertex *curr = vert;
+      F32       prev_dot = dot(znear_normal, prev->pos - znear_pos);
+      F32       curr_dot = 0;
+      for (int j = 0; j < 3; j++) {
+        curr_dot = dot(znear_normal, curr->pos - znear_pos);
+        if (curr_dot * prev_dot < 0) {
+          F32 t = prev_dot / (prev_dot - curr_dot);
+          in[in_count].pos = vec4(lerp(prev->pos, curr->pos, t), 1);
+          in[in_count].tex = lerp(prev->tex, curr->tex, t);
+          in[in_count].norm = lerp(prev->norm, curr->norm, t);
+          in_count += 1;
+        }
+
+        if (curr_dot > 0) {
+          in[in_count].pos = vec4(vert[j].pos, 1);
+          in[in_count].tex = vert[j].tex;
+          in[in_count++].norm = vert[j].norm;
+        }
+
+        prev = curr++;
+        prev_dot = curr_dot;
+      }
+
+      if (in_count == 0) {
+        continue;
+      }
+
+      for(S64 j = 0; j < in_count; j++) {
+        //@Note: Perspective
+        in[j].pos = r->projection * in[j].pos;
+        in[j].pos.x = in[j].pos.x / in[j].pos.w;
+        in[j].pos.y = in[j].pos.y / in[j].pos.w;
+        // in[j].pos.z = in[j].pos.z / in[j].pos.w;
+
+        //@Note: To pixel space
+        in[j].pos.x *= r->screen320.x / 2;
+        in[j].pos.y *= r->screen320.y / 2;
+        in[j].pos.x += r->screen320.x / 2;
+        in[j].pos.y += r->screen320.y / 2;
+      }
+
+      triangle_count++;
+      if (in_count > 3) triangle_count++;
+
+#if MULTITHREADING
+      Render_Command *command = array_alloc(os.perm_arena, &r->commands);
+      command->src = image;
+      command->p0 = in[0].pos;
+      command->p1 = in[1].pos;
+      command->p2 = in[2].pos;
+      command->tex0 = in[0].tex;
+      command->tex1 = in[1].tex;
+      command->tex2 = in[2].tex;
+      if(in_count > 3){
+        Render_Command *command = array_alloc(os.perm_arena, &r->commands);
+        command->src = image;
+        command->p0 = in[0].pos;
+        command->p1 = in[2].pos;
+        command->p2 = in[3].pos;
+        command->tex0 = in[0].tex;
+        command->tex1 = in[2].tex;
+        command->tex2 = in[3].tex;
+      }
+
+#else
+      switch(render_triangle_test_case_number){
+        case 1:
+          draw_triangle_nearest_a(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm);
+          if (in_count > 3) draw_triangle_nearest_a(&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);
+        break;
+        case 2:
+          draw_triangle_nearest_b(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm);
+          if (in_count > 3) draw_triangle_nearest_b(&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);
+        break;
+        case 3:
+          draw_triangle_nearest_simd_with_overloads(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm);
+          if (in_count > 3) draw_triangle_nearest_simd_with_overloads(&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);
+        break;
+        case 4:
+          draw_triangle_nearest_simd_without_overloads(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm);
+          if (in_count > 3) draw_triangle_nearest_simd_without_overloads(&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);
+        break;
+        case 5:
+          draw_triangle_nearest_final(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm);
+          if (in_count > 3) draw_triangle_nearest_final(&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);
+        break;
+      }
+#endif
+    }
+  }
+}
+
+#include "sf_ui.cpp"
+global F32 speed = 100.f;
+global F32 rotation = 0;
+global Obj *f22;
+global Obj *sponza;
+global Obj *obj;
+global Render r = {};
+global Scene scene = Scene_Sponza;
+
+function
+UI_SIGNAL_CALLBACK(scene_callback) {
+  switch(scene) {
+    case Scene_F22: {
+      speed = 1;
+      r.camera_pos = vec3(0,0,-2);
+      obj = f22;
+    } break;
+    case Scene_Sponza: {
+      speed = 100;
+      r.camera_pos = vec3(-1020, 687, -85); r.camera_yaw = vec2(-1.3, -0.44);
+      obj = sponza;
+    } break;
+    case Scene_Count:
+    invalid_default_case;
+  }
+  scene = (Scene)(((int)scene + 1) % Scene_Count);
+}
+
+FILE *global_file;
+function void
+windows_log(Log_Kind kind, String string, char *file, int line){
+  fprintf(global_file, "%s", string.str);
+  // OutputDebugStringA((const char *)string.str);
+}
+
+function void
+next_test_case(B32 first_time){
+  render_triangle_test_case_number += 1;
+  if(first_time || render_triangle_test_case_number == 6){
+    render_triangle_test_case_angle += 1;
+    render_triangle_test_case_number = 1;
+    try_again: switch(render_triangle_test_case_angle){
+      case 0: r.camera_pos = vec3(-1020, 687, -85); r.camera_yaw = vec2(-1.3, -0.44); break;
+      case 1: r.camera_pos = vec3(-356,89.5,168); r.camera_yaw = vec2(0.2, 0); break;
+      case 2: render_triangle_test_case_angle = 0; goto try_again; break;
+    }
+  }
+}
+
+int
+main(int argc, char **argv) {
+  global_file = fopen("perfclocks.txt", "a");
+  thread_ctx.log_proc = windows_log;
+
+  os.window_size.x = 1920;
+  os.window_size.y = 1080;
+  os.window_resizable = 1;
+  assert(os_init());
+  Font font = os_load_font(os.perm_arena, 12*os.dpi_scale, "Arial", 0);
+  // test_array_list();
+
+  // f22 = load_obj_dump(os.perm_arena, "plane.bin"_s);
+  // sponza = load_obj_dump(os.perm_arena, "sponza.bin"_s);
+   Obj sponza_obj = load_obj(&os_process_heap, "assets/sponza/sponza.obj"_s);
+  sponza = &sponza_obj;
+  scene_callback();
+  next_test_case(true);
+
+  int screen_x = os.window_size.x;
+  int screen_y = os.window_size.y;
+
+  r.screen320 = {(U32 *)arena_push_size(os.perm_arena, screen_x*screen_y*sizeof(U32)), screen_x, screen_y};
+  r.depth320 = (F32 *)arena_push_size(os.perm_arena, sizeof(F32) * screen_x * screen_y);
+  r.commands.block_size = 1024*1024;
+  ThreadStartupInfo thread_infos[16] = {};
+  init_work_queue(&r.work_queue, buff_cap(thread_infos), thread_infos);
+
+  String frame_data = {};
+  String raster_details = {};
+  UISetup setup[] = {
+    UI_SIGNAL("Change scene"_s, scene_callback),
+    UI_LABEL(&frame_data),
+    UI_LABEL(&raster_details),
+    UI_LABEL(&os.text),
+  };
+  UI ui = ui_make(setup, buff_cap(setup));
+  B32 ui_mouse_lock = true;
+
+  while (os_game_loop()) {
+    PROFILE_SCOPE(main_loop);
+    if (ui_mouse_lock == false) {
+      r.camera_yaw.x += os.delta_mouse_pos.x * 0.01f;
+      r.camera_yaw.y -= os.delta_mouse_pos.y * 0.01f;
+    }
+    if (os.key[Key_Escape].pressed) os_quit();
+    if (os.key[Key_O].down) light_rotation += 0.05f;
+    if (os.key[Key_P].down) light_rotation -= 0.05f;
+    if (os.key[Key_F2].pressed) {
+      ui_mouse_lock = !ui_mouse_lock;
+      os_show_cursor(!os.cursor_visible);
+    }
+    if (os.key[Key_A].down) r.camera_pos.x -= speed * (F32)os.delta_time;
+    if (os.key[Key_D].down) r.camera_pos.x += speed * (F32)os.delta_time;
+    if (os.key[Key_W].down) {
+      r.camera_forward_velocity = r.camera_direction * speed * (F32)os.delta_time;
+      r.camera_pos = r.camera_pos + r.camera_forward_velocity;
+    }
+    if (os.key[Key_S].down) {
+      r.camera_forward_velocity = r.camera_direction * speed * (F32)os.delta_time;
+      r.camera_pos = r.camera_pos - r.camera_forward_velocity;
+    }
+    if (os.key[Key_R].down) r.camera_pos.y += speed * (F32)os.delta_time;
+    if (os.key[Key_F].down) r.camera_pos.y -= speed * (F32)os.delta_time;
+
+    // Clear screen and depth buffer
+    U32* p = r.screen320.pixels;
+    for (int y = 0; y < r.screen320.y; y++) {
+      for (int x = 0; x < r.screen320.x; x++) {
+        *p++ = 0x33333333;
+      }
+    }
+
+    F32* dp = r.depth320;
+    for (int y = 0; y < r.screen320.y; y++) {
+      for (int x = 0; x < r.screen320.x; x++) {
+        *dp++ = -F32MAX;
+      }
+    }
+
+    Mat4 camera_rotation = mat4_rotation_y(r.camera_yaw.x) * mat4_rotation_x(r.camera_yaw.y);
+    r.camera_direction = (camera_rotation * vec4(0,0,1,1)).xyz;
+    Vec3 target = r.camera_pos + r.camera_direction;
+    r.camera = mat4_look_at(r.camera_pos, target, vec3(0, 1, 0));
+    r.projection = mat4_perspective(60.f, (F32)os.screen->x, (F32)os.screen->y, 1.f, zfar_value);
+    r.transform = mat4_rotation_z(rotation);
+    r.transform = r.transform * mat4_rotation_y(rotation);
+    for (int i = 0; i < obj->mesh.len; i++) {
+      PROFILE_SCOPE(draw_all_meshes);
+      Vec2* tex_coords = (Vec2*)obj->texture_coordinates.data;
+      Vec3 *normals = (Vec3 *)obj->normals.data;
+      Obj_Mesh *mesh = obj->mesh.data;
+      Vec3* vertices = (Vec3 *)obj->vertices.data;
+      draw_mesh(&r, obj->name, obj->materials.data, mesh+i, vertices, tex_coords, normals);
+    }
+
+#if MULTITHREADING
+    Render_Tile_Job_Data tile_job_data[32];
+    S32 x_tiles = 1;
+    S32 y_tiles = 16;
+    F32 block_size_x = r.screen320.x / x_tiles;
+    F32 block_size_y = r.screen320.y / y_tiles;
+    S32 i = 0;
+    for(S32 x = 0; x < x_tiles; x++){
+      for(S32 y = 0; y < y_tiles; y++){
+        Rect2 bounding_rect;
+        bounding_rect.min_x = block_size_x * x;
+        bounding_rect.min_y = block_size_y * y;
+        bounding_rect.max_x = bounding_rect.min_x + block_size_x;
+        bounding_rect.max_y = bounding_rect.min_y + block_size_y;
+        tile_job_data[i].region = bounding_rect;
+        tile_job_data[i].r = &r;
+
+        push_work(&r.work_queue, (void *)(tile_job_data + i), draw_tile);
+        i += 1;
+      }
+    }
+
+    wait_until_completion(&r.work_queue);
+    array_free_all_nodes(&r.commands);
+#endif
+
+    // @Note: Draw 320screen to OS screen
+    U32* ptr = os.screen->pixels;
+    for (int y = 0; y < os.screen->y; y++) {
+      for (int x = 0; x < os.screen->x; x++) {
+        F32 u = (F32)x / (F32)os.screen->x;
+        F32 v = (F32)y / (F32)os.screen->y;
+        int tx = (int)(u * r.screen320.x );
+        int ty = (int)(v * r.screen320.y );
+        *ptr++ = r.screen320.pixels[tx + ty * (r.screen320.x)];
+      }
+    }
+
+    ui_end_frame(os.screen, &ui, &font);
+    frame_data = string_fmt(os.frame_arena, "FPS:%f dt:%f frame:%u camera_pos: %f %f %f camera_yaw: %f %f",
+      os.fps, os.delta_time*1000, os.frame, r.camera_pos.x, r.camera_pos.y, r.camera_pos.z, r.camera_yaw.x, r.camera_yaw.y);
+#if MULTITHREADING
+    if(os.frame == 1) log_info("Angle;Frame_Time\n");
+    log_info("%d;%f\n", render_triangle_test_case_angle, os.delta_time*1000);
+#else
+    if(os.frame == 1) log_info("Angle;Algorithm;Frame_Time;Cycles_Per_Pixel;Cycles_To_Process_Triangles;Pixels_Processed;Triangles\n");
+    log_info("%d;%d;%f;%llu;%llu;%llu;%llu\n", render_triangle_test_case_angle, render_triangle_test_case_number,
+      os.delta_time*1000, filled_pixel_cycles/filled_pixel_count, filled_pixel_cycles, filled_pixel_count, triangle_count);
+#endif
+
+    filled_pixel_count = 0;
+    filled_pixel_cycles = 0;
+    triangle_count = 0;
+
+    // @Todo I think there is bug with test_case_number, after doing full round it
+    // skips a phase
+    if(os.frame % 15 == 0){
+      next_test_case(false);
+    }
+
+  }
+}
+
+/////////////////////////////////////////////////////////////////////////////////////
+/// ### Resources that helped me build the rasterizer (Might be helpful to you too):
+///
+/// * Algorithm I used for triangle rasterization by Juan Pineda is described in paper called "A Parallel Algorithm for Polygon Rasterization"
+/// * Casey Muratori's series on making a game from scratch(including a 2D software rasterizer(episode ~82) and 3d gpu renderer): https://hero.handmade.network/episode/code#
+/// * Fabian Giessen's "Optimizing Software Occlusion Culling": https://fgiesen.wordpress.com/2013/02/17/optimizing-sw-occlusion-culling-index/
+/// * Fabian Giessen's optimized software renderer: https://github.com/rygorous/intel_occlusion_cull/tree/blog/SoftwareOcclusionCulling
+/// * Fabian Giessen's javascript triangle rasterizer: https://gist.github.com/rygorous/2486101
+/// * Fabian Giessen's C++ triangle rasterizer: https://github.com/rygorous/trirast/blob/master/main.cpp
+/// * Joy's Kenneth lectures about computer graphics: https://www.youtube.com/playlist?list=PL_w_qWAQZtAZhtzPI5pkAtcUVgmzdAP8g
+/// * Joy's Kenneth article on clipping: https://import.cdn.thinkific.com/167815/JoyKennethClipping-200905-175314.pdf
+/// * A bunch of helpful notes and links to resources: https://nlguillemot.wordpress.com/2016/07/10/rasterizer-notes/
+/// * Very nice paid course on making a software rasterizer using a scanline method: https://pikuma.com/courses/learn-3d-computer-graphics-programming
+/// * Reference for obj loader: https://github.com/tinyobjloader/tinyobjloader/blob/master/tiny_obj_loader.h
+///
+/// ### To read
+///
+/// * http://ce-publications.et.tudelft.nl/publications/1362_hardware_algorithms_for_tilebased_realtime_rendering.pdf
diff --git a/sf_obj.cpp b/sf_obj.cpp
new file mode 100644
index 0000000..f6320c3
--- /dev/null
+++ b/sf_obj.cpp
@@ -0,0 +1,86 @@
+///
+/// [?] - Cache bitmaps
+/// [ ] - Fix potential portability issues due to compiler struct alignment differences etc.
+///
+
+struct Obj_Index {
+  int vertex[3];
+  int tex[3];
+  int normal[3];
+  S32 material_id;
+  S32 smoothing_group_id;
+};
+
+struct Obj_Mesh {
+  char name[64];
+  Array<Obj_Index> indices;
+};
+
+struct Obj_Material {
+  char name[64];
+  U32  name_len;
+  Bitmap texture_ambient; // map_Ka
+  Bitmap texture_diffuse; // map_Kd
+  Bitmap texture_dissolve; // map_d
+  Bitmap texture_displacement; // map_Disp
+  F32 non_transparency; // d
+  F32 transparency; // Tr
+  F32 optical_density; // Ni
+  F32 shininess; // Ns
+  S32 illumination_model; // illum
+  Vec3 ambient_color; // Ka
+  Vec3 diffuse_color; // Kd
+  Vec3 specular_color; // Ks
+};
+
+struct Obj {
+  String name;
+  Array<Vec3> vertices;
+  Array<Vec2> texture_coordinates;
+  Array<Vec3> normals;
+  Array<Obj_Mesh> mesh;
+  Array<Obj_Material> materials;
+};
+
+struct Stream{
+  U8 *cursor;
+  U8 *end;
+};
+
+#define stream_read_array(s,T,c) (T *)stream_read(s,sizeof(T)*(c))
+#define stream_read_struct(s,T) stream_read_array(s,T,1)
+function void *
+stream_read(Stream *s, SizeU size){
+  U8 *result = s->cursor;
+  s->cursor += size;
+  assert(s->end >= s->cursor);
+  return result;
+}
+
+function Obj *
+load_obj_dump(Allocator *allocator, String filename){
+  String string = os_read_file(allocator, filename);
+
+  Stream stream = {string.str, string.str + string.len};
+  Obj *obj = stream_read_struct(&stream, Obj);
+  obj->name.str = stream_read_array(&stream, U8, obj->name.len);
+  obj->texture_coordinates.data = stream_read_array(&stream, Vec2, obj->texture_coordinates.len);
+  obj->vertices.data = stream_read_array(&stream, Vec3, obj->vertices.len);
+  obj->normals.data = stream_read_array(&stream, Vec3, obj->normals.len);
+  obj->mesh.data = stream_read_array(&stream, Obj_Mesh, obj->mesh.len);
+  obj->materials.data = stream_read_array(&stream, Obj_Material, obj->materials.len);
+
+  For(obj->mesh){
+    it.indices.data = stream_read_array(&stream, Obj_Index, it.indices.len);
+  }
+
+  For(obj->materials){
+    it.texture_ambient.pixels = stream_read_array(&stream, U32, it.texture_ambient.x*it.texture_ambient.y);
+    it.texture_diffuse.pixels = stream_read_array(&stream, U32, it.texture_diffuse.x*it.texture_diffuse.y);
+    it.texture_dissolve.pixels = stream_read_array(&stream, U32, it.texture_dissolve.x*it.texture_dissolve.y);
+    it.texture_displacement.pixels = stream_read_array(&stream, U32, it.texture_displacement.x*it.texture_displacement.y);
+  }
+
+  return obj;
+}
+
diff --git a/sf_obj_dump.cpp b/sf_obj_dump.cpp
new file mode 100644
index 0000000..f94a635
--- /dev/null
+++ b/sf_obj_dump.cpp
@@ -0,0 +1,432 @@
+#include "os_windows_multimedia.cpp"
+#include "sf_obj.cpp"
+
+#define STBI_ASSERT assert
+#define STB_IMAGE_IMPLEMENTATION
+#include "dependencies/stb_image.h"
+
+enum class Obj_Token_Type {
+  none, word, number, whitespace, end
+};
+
+struct Obj_Token {
+  Obj_Token_Type type;
+  double number;
+  union {
+    struct {
+      char* s;
+      int len;
+    };
+    String s8;
+  };
+};
+
+function Bitmap
+load_image(String path) {
+  Scratch scratch;
+  String file = os_read_file(scratch, path);
+
+  int x, y, n;
+  unsigned char* data = stbi_load_from_memory(file.str, file.len, &x, &y, &n, 4);
+  Bitmap result = { (U32*)data, x, y };
+  if(data) {
+    U32 *p = result.pixels;
+    for (int Y = 0; Y < y; Y++) {
+      for (int X = 0; X < x; X++) {
+        Vec4 color = vec4abgr(*p);
+        color.r *= color.a;
+        color.g *= color.a;
+        color.b *= color.a;
+        *p++ = vec4_to_u32abgr(color);
+      }
+    }
+  }
+  return result;
+}
+
+function Obj_Token next_token_raw(char** data) {
+  Obj_Token result = {};
+  result.s = *data;
+  *data += 1;
+
+  if (is_alphabetic(*result.s)) {
+    result.type = Obj_Token_Type::word;
+    while (!is_whitespace(**data)) {
+      *data += 1;
+    }
+    result.len = (int)(*data - result.s);
+  }
+  else if (is_number(*result.s) || *result.s == '-') {
+    result.type = Obj_Token_Type::number;
+    while (is_number(**data) || **data == '.' ||  **data == 'e' || **data == '-') {
+      *data += 1;
+    }
+    result.number = atof(result.s);
+    result.len = (int)(*data - result.s);
+  }
+  else if (*result.s == '#') {
+    while (**data != '\n') *data += 1;
+    result = next_token_raw(data);
+  }
+  else if (is_whitespace(*result.s)) {
+    result.type = Obj_Token_Type::whitespace;
+    while (is_whitespace(**data)) *data += 1;
+    result.len = (int)(*data - result.s);
+  }
+  else if (*result.s == 0) {
+    result.type = Obj_Token_Type::end;
+  }
+  else if (*result.s >= '!') {
+    result.type = (Obj_Token_Type)*result.s;
+  }
+
+  return result;
+}
+
+function Obj_Token next_token(char** data) {
+  Obj_Token result;
+  do {
+    result = next_token_raw(data);
+  } while (result.type == Obj_Token_Type::whitespace);
+  return result;
+}
+
+function double expect_number(char** data) {
+  Obj_Token t = next_token(data);
+  assert(t.type == Obj_Token_Type::number); // @Todo: Error handling, error flag
+  return t.number;
+}
+
+function void expect_token(char** data, char token) {
+  Obj_Token t = next_token(data);
+  assert(t.type == (Obj_Token_Type)token); // @Todo: Error handling, error flag
+}
+
+function B32 match_token(char **data, char token){
+  char *save = *data;
+  Obj_Token t = next_token(&save);
+  if(t.type == (Obj_Token_Type)token){
+    *data = save;
+    return true;
+  }
+  return false;
+}
+
+function void debug_expect_raw(char** data, Obj_Token_Type type) {
+  char* data_temp = *data;
+  Obj_Token t = next_token_raw(&data_temp);
+  assert(t.type == type);
+}
+
+function void
+parse_mtl(Obj* obj, String path_obj_folder, String mtl_file) {
+  Scratch scratch;
+  char *data = (char *)mtl_file.str;
+  Obj_Material *m = 0;
+
+  for (;;) {
+    Obj_Token token = next_token(&data);
+    if (token.type == Obj_Token_Type::end) break;
+    else if (token.type == Obj_Token_Type::word) {
+      if (string_compare(token.s8, "newmtl"_s)) {
+        token = next_token(&data);
+        m = obj->materials.push_empty_zero();
+        m->name_len = clamp_top(token.len, 64);
+        memory_copy(m->name, token.s8.str, m->name_len);
+      }
+
+      else if (string_compare(token.s8, "Ns"_s)) {
+        m->shininess = expect_number(&data);
+      }
+
+      else if (string_compare(token.s8, "Ka"_s)) {
+        m->ambient_color.x = expect_number(&data);
+        m->ambient_color.y = expect_number(&data);
+        m->ambient_color.z = expect_number(&data);
+      }
+      else if (string_compare(token.s8, "Kd"_s)) {
+        m->diffuse_color.x = expect_number(&data);
+        m->diffuse_color.y = expect_number(&data);
+        m->diffuse_color.z = expect_number(&data);
+      }
+
+      else if (string_compare(token.s8, "Ks"_s)) {
+        m->specular_color.x = expect_number(&data);
+        m->specular_color.y = expect_number(&data);
+        m->specular_color.z = expect_number(&data);
+      }
+      else if (string_compare(token.s8, "Ni"_s)) {
+        m->optical_density = expect_number(&data);
+      }
+
+      else if (string_compare(token.s8, "d"_s)) {
+        m->non_transparency = expect_number(&data);
+      }
+      else if (string_compare(token.s8, "illum"_s)) {
+        m->illumination_model = (S32)expect_number(&data);
+      }
+
+      else if (string_compare(token.s8, "map_Kd"_s)) {
+        Obj_Token t = next_token(&data);
+        String path = string_fmt(scratch, "%Q/%Q\0", path_obj_folder, t.s8);
+        m->texture_diffuse = load_image(path);
+      }
+
+      else if (string_compare(token.s8, "map_Ka"_s)) {
+        Obj_Token t = next_token(&data);
+        String path = string_fmt(scratch, "%Q/%Q\0", path_obj_folder, t.s8);
+        m->texture_ambient = load_image(path);
+      }
+
+      else if (string_compare(token.s8, "map_d"_s)) {
+        Obj_Token t = next_token(&data);
+        String path = string_fmt(scratch, "%Q/%Q\0", path_obj_folder, t.s8);
+        m->texture_dissolve = load_image(path);
+      }
+
+      else if (string_compare(token.s8, "map_Disp"_s)) {
+        Obj_Token t = next_token(&data);
+        String path = string_fmt(scratch, "%Q/%Q\0", path_obj_folder, t.s8);
+        m->texture_displacement = load_image(path);
+      }
+    }
+  }
+}
+
+function Obj
+parse(Allocator *allocator, char* data, String path_obj_folder) {
+  Set_Allocator(allocator);
+  Scratch mtl_scratch;
+  Obj result = {};
+  //result.vertices.init(allocator, 160000);
+  //result.texture_coordinates.init(allocator, 160000);
+  //result.normals.init(allocator, 160000);
+  //result.mesh.init(allocator, 64);
+  //result.materials.init(allocator, 64);
+  int smoothing = 0;
+
+  Obj_Mesh *mesh = result.mesh.push_empty_zero();
+  //mesh->indices.init(allocator);
+  int material_id = -1;
+
+  S64 debug_i = 0;
+  for (;;debug_i++){
+    Obj_Token token = next_token(&data);
+    if (token.type == Obj_Token_Type::end) break;
+    else if (token.type == Obj_Token_Type::word) {
+      if (string_compare(token.s8, "v"_s)) {
+        Vec3 *vertex = result.vertices.push_empty_zero();
+        vertex->x = (float)expect_number(&data);
+        vertex->y = (float)expect_number(&data);
+        vertex->z = (float)expect_number(&data);
+        debug_expect_raw(&data, Obj_Token_Type::whitespace);
+      }
+
+      else if (string_compare(token.s8, "vt"_s)) {
+        Vec2 *tex = result.texture_coordinates.push_empty_zero();
+        tex->x = (float)expect_number(&data);
+        tex->y = (float)expect_number(&data);
+        debug_expect_raw(&data, Obj_Token_Type::whitespace);
+      }
+
+      else if (string_compare(token.s8, "vn"_s)) {
+        Vec3 *norm = result.normals.push_empty_zero();
+        norm->x = (float)expect_number(&data);
+        norm->y = (float)expect_number(&data);
+        norm->z = (float)expect_number(&data);
+        debug_expect_raw(&data, Obj_Token_Type::whitespace);
+      }
+
+      else if (string_compare(token.s8, "mtllib"_s)) {
+        Obj_Token t = next_token(&data);
+        String path = string_fmt(mtl_scratch, "%Q/%Q", path_obj_folder, t.s8);
+        String mtl_file = os_read_file(mtl_scratch, path);
+        if(mtl_file.str) {
+          parse_mtl(&result, path_obj_folder, mtl_file);
+        }
+      }
+
+      else if (string_compare(token.s8, "usemtl"_s)) {
+        Obj_Token t = next_token(&data);
+        assert(t.type == Obj_Token_Type::word);
+        for(U64 i = 0; i < result.materials.len; i++) {
+          Obj_Material *m = result.materials.data + i;
+          if(string_compare({(U8 *)m->name, m->name_len}, t.s8)) {
+            material_id = i;
+            break;
+          }
+        }
+      }
+
+      else if (string_compare(token.s8, "o"_s)) {
+        Obj_Token t = next_token(&data);
+        assert(t.type == Obj_Token_Type::word);
+        if (mesh->indices.len != 0) {
+          mesh = result.mesh.push_empty_zero();
+        }
+        else {
+          U64 len = clamp_top(t.len, 64);
+          memory_copy(mesh->name, t.s, len);
+        }
+      }
+
+      else if (string_compare(token.s8, "s"_s)) {
+        Obj_Token t = next_token(&data);
+        if (t.type == Obj_Token_Type::number) {
+          smoothing = (int)t.number;
+        }
+        else {
+          assert(t.type == Obj_Token_Type::word);
+          if (string_compare(t.s8, "on"_s)) {
+            smoothing = 1;
+          }
+          else if (string_compare(t.s8, "off"_s)) {
+            smoothing = 0;
+          }
+          else invalid_codepath;
+        }
+
+      }
+
+      else if (string_compare(token.s8, "g"_s)) {
+        Obj_Token t = next_token(&data);
+        assert(t.type == Obj_Token_Type::word);
+      }
+
+      else if (string_compare(token.s8, "f"_s)) {
+        Obj_Index *i = mesh->indices.push_empty_zero();
+        i->smoothing_group_id = smoothing;
+        i->material_id = material_id;
+        i->vertex[0] = (int)expect_number(&data);
+        expect_token(&data, '/');
+        i->tex[0] = (int)expect_number(&data);
+        if(match_token(&data, '/')) i->normal[0] = (int)expect_number(&data);
+
+
+        i->vertex[1] = (int)expect_number(&data);
+        expect_token(&data, '/');
+        i->tex[1] = (int)expect_number(&data);
+        if(match_token(&data, '/')) i->normal[1] = (int)expect_number(&data);
+
+        i->vertex[2] = (int)expect_number(&data);
+        expect_token(&data, '/');
+        i->tex[2] = (int)expect_number(&data);
+        if(match_token(&data, '/')) i->normal[2] = (int)expect_number(&data);
+        //debug_expect_raw(&data, Obj_Token_Type::whitespace);
+      }
+    }
+  }
+  return result;
+}
+
+function Obj
+load_obj(Allocator *arena, String file) {
+  Scratch scratch;
+  String data = os_read_file(scratch, file);
+  assert(data.str);
+
+  String path = string_chop_last_slash(file);
+  Obj result = parse(arena, (char *)data.str, path);
+  result.name = file;
+  return result;
+}
+
+template<class T> void
+dump_array(String_Builder *sb, Array<T> *arr){
+  sb->append_data(arr, sizeof(*arr));
+  sb->append_data(arr->data, sizeof(T)*arr->len);
+}
+
+function void
+dump_bitmap_image(String_Builder *sb, Bitmap *bm){
+  sb->append_data(bm->pixels, sizeof(U32)*bm->x*bm->y);
+}
+
+
+function B32
+_os_write_file(String file, String data, B32 append = false) {
+  B32 result = false;
+  DWORD access = GENERIC_WRITE;
+  DWORD creation_disposition = CREATE_ALWAYS;
+  if (append) {
+    access = FILE_APPEND_DATA;
+    creation_disposition = OPEN_ALWAYS;
+  }
+
+  // @Todo(Krzosa): Unicode
+  HANDLE handle = CreateFileA((const char *)file.str, access, 0, NULL, creation_disposition, FILE_ATTRIBUTE_NORMAL, NULL);
+  if (handle != INVALID_HANDLE_VALUE) {
+    DWORD bytes_written = 0;
+    // @Todo: can only read 32 byte size files?
+    assert_msg(data.len == (U32)data.len, "Max data size os_write can handle is 32 bytes, data to write is larger then 32 bytes!");
+    B32 error = WriteFile(handle, data.str, (U32)data.len, &bytes_written, NULL);
+    if (error == false) log_error("Failed to write to file: %Q", file);
+    else {
+      if (bytes_written != data.len) log_error("Failed to write to file: %Q, mismatch between length requested to write and length written", file);
+      else result = true;
+    }
+    CloseHandle(handle);
+  }
+  else {
+    log_error("File not found when trying to write: %Q", file);
+  }
+
+  return result;
+}
+
+function B32
+os_write_file2(String file, String data) {
+  return _os_write_file(file, data, false);
+}
+function B32
+os_append_file(String file, String data) {
+  return _os_write_file(file, data, true);
+}
+
+function void
+dump_obj_to_file(Obj *obj, String out_name){
+  obj->vertices.allocator = 0;
+  obj->vertices.cap = obj->vertices.len;
+
+  obj->texture_coordinates.allocator = 0;
+  obj->texture_coordinates.cap = obj->texture_coordinates.len;
+
+  obj->normals.allocator = 0;
+  obj->normals.cap = obj->normals.len;
+
+  obj->mesh.allocator = 0;
+  obj->mesh.cap = obj->mesh.len;
+
+  obj->materials.allocator = 0;
+  obj->materials.cap = obj->materials.len;
+
+  For(obj->mesh){
+    it.indices.allocator = 0;
+    it.indices.cap = it.indices.len;
+  }
+
+  Scratch arena;
+  String_Builder sb = string_builder_make(arena, mib(4));
+  sb.append_data(obj, sizeof(Obj));
+  sb.append_data(obj->name.str, obj->name.len);
+  sb.append_data(obj->texture_coordinates.data, obj->texture_coordinates.len*sizeof(Vec2));
+  sb.append_data(obj->vertices.data, obj->vertices.len*sizeof(Vec3));
+  sb.append_data(obj->normals.data, obj->normals.len*sizeof(Vec3));
+  sb.append_data(obj->mesh.data, obj->mesh.len*sizeof(Obj_Mesh));
+  sb.append_data(obj->materials.data, obj->materials.len*sizeof(Obj_Material));
+
+  For(obj->mesh){
+    sb.append_data(it.indices.data, sizeof(Obj_Index)*it.indices.len);
+  }
+
+  For(obj->materials){
+    sb.append_data(&it, sizeof(Obj_Material));
+    dump_bitmap_image(&sb, &it.texture_ambient);
+    dump_bitmap_image(&sb, &it.texture_diffuse);
+    dump_bitmap_image(&sb, &it.texture_dissolve);
+    dump_bitmap_image(&sb, &it.texture_displacement);
+  }
+
+  String result = string_flatten(arena, &sb);
+  os_write_file2(out_name, result);
+}
diff --git a/sf_ui.cpp b/sf_ui.cpp
new file mode 100644
index 0000000..7691750
--- /dev/null
+++ b/sf_ui.cpp
@@ -0,0 +1,242 @@
+enum UIWidgetKind {
+  UIWidgetKind_None,
+  UIWidgetKind_Boolean,
+  UIWidgetKind_Image,
+  UIWidgetKind_Label,
+  UIWidgetKind_Option,
+  UIWidgetKind_Signal,
+  UIWidgetKind_Group,
+};
+
+#define UI_SIGNAL_CALLBACK(name) void name()
+typedef UI_SIGNAL_CALLBACK(UISignalCallback);
+struct UISetup {
+  UIWidgetKind kind;
+  String text;
+  union {
+    void *v;
+    Bitmap *image;
+    B32    *b32;
+    String     *label;
+    S32    *option;
+    UISignalCallback *signal_callback;
+  };
+  S32 option_max;
+};
+#define UI_BOOL(text, x) {UIWidgetKind_Boolean,text,(void*)(x)}
+#define UI_IMAGE(x)      {UIWidgetKind_Image,{},(void*)(x)}
+#define UI_LABEL(x)      {UIWidgetKind_Label,{},(void*)(x)}
+#define UI_OPTION(text,x,option_max){UIWidgetKind_Option,text,(void*)(x),(option_max)}
+#define UI_SIGNAL(text,x){UIWidgetKind_Signal,text,(void*)(x)}
+
+struct UIWidget {
+  UIWidgetKind kind;
+  UIWidget    *next;
+  UIWidget    *prev;
+  UIWidget    *first_child;
+  UIWidget    *last_child;
+
+  String text;
+  Vec2 size;
+  S32 option_max;
+  union {
+    Bitmap *image;
+    B32    *b32;
+    String     *label;
+    S32    *option;
+    UISignalCallback *signal_callback;
+  } ptr;
+};
+
+struct UI : UIWidget {
+  Arena arena;
+
+  UIWidget *hot;
+  UIWidget *active;
+};
+
+function UIWidget *ui_new_widget(Allocator *arena, UIWidgetKind kind) {
+  UIWidget *result = exp_alloc_type(arena, UIWidget, AF_ZeroMemory);
+  result->kind = kind;
+  return result;
+}
+
+function void ui_push_child(UIWidget *widget, UIWidget *child) {
+  DLLQueueAdd(widget->first_child, widget->last_child, child);
+}
+
+function UIWidget *ui_push_child(Arena *arena, UIWidget *widget, UIWidgetKind kind) {
+  UIWidget *result = ui_new_widget(arena, kind);
+  ui_push_child(widget, result);
+  return result;
+}
+
+function UIWidget *ui_push_image(Arena *arena, UIWidget *widget, Bitmap *img) {
+  UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Image);
+  result->ptr.image = img;
+
+  F32 ratio = (F32)result->ptr.image->x / (F32)result->ptr.image->y;
+  result->size.y = 64;
+  result->size.x = 64 * ratio;
+  return result;
+}
+
+function UIWidget *ui_push_bool(Arena *arena, UIWidget *widget, String string, B32 *b32) {
+  UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Boolean);
+  result->text = string;
+  result->ptr.b32 = b32;
+  return result;
+}
+
+function UIWidget *ui_push_string(Arena *arena, UIWidget *widget, String *string) {
+  UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Label);
+  result->ptr.label = string;
+  return result;
+}
+
+function UIWidget *ui_push_option(Arena *arena, UIWidget *widget, String string, S32 *option, S32 option_max) {
+  UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Option);
+  result->text = string;
+  result->ptr.option = option;
+  result->option_max = option_max;
+  return result;
+}
+
+function UIWidget *ui_push_signal(Arena *arena, UIWidget *widget, String string, UISignalCallback *callback) {
+  UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Signal);
+  result->text = string;
+  result->ptr.signal_callback = callback;
+  return result;
+}
+
+function UI ui_make(UISetup *setup, U64 len) {
+  UI result = {};
+  arena_init(&result.arena, "UI_Arena"_s);
+  UIWidget *parent = &result;
+  for (UISetup *s = setup; s != (setup+len); s++) {
+    switch (s->kind) {
+      case UIWidgetKind_Image: {
+        ui_push_image(&result.arena, parent, s->image);
+      } break;
+      case UIWidgetKind_Boolean: {
+        ui_push_bool(&result.arena, parent, s->text, s->b32);
+      } break;
+      case UIWidgetKind_Label: {
+        ui_push_string(&result.arena, parent, s->label);
+      } break;
+      case UIWidgetKind_Option: {
+        ui_push_option(&result.arena, parent, s->text, s->option, s->option_max);
+      } break;
+      case UIWidgetKind_Signal: {
+        ui_push_signal(&result.arena, parent, s->text, s->signal_callback);
+      } break;
+      invalid_default_case;
+    }
+  }
+  return result;
+}
+
+function B32 ui_mouse_test(UI *ui, UIWidget *w, Vec4 rect) {
+  B32 result = false;
+  if (os.mouse_pos.x > rect.x && os.mouse_pos.x < rect.x + rect.width &&
+      os.mouse_pos.y > rect.y && os.mouse_pos.y < rect.y + rect.height) {
+    ui->hot = w;
+    if (os.key[Key_MouseLeft].down) {
+      ui->active = w;
+    }
+  }
+  else if (w == ui->hot) {
+    ui->hot = 0;
+  }
+
+  if (os.key[Key_MouseLeft].released) {
+    if (ui->active == w) {
+      if (ui->hot == w)
+        result = true;
+      ui->active = 0;
+    }
+  }
+
+  return result;
+}
+
+function void ui_end_frame(Bitmap *dst, UI *ui, Font *font) {
+  Scratch scratch;
+  Vec2 pos = vec2(0, (F32)dst->y);
+  for (UIWidget *w = ui->first_child; w; w = w->next) {
+    Vec4 rect = {};
+    switch (w->kind) {
+      case UIWidgetKind_Image: {
+        pos.y -= w->size.y;
+        rect = vec4(pos, w->size);
+        ui_mouse_test(ui, w, rect);
+        String string = string_fmt(scratch, "%d %d", w->ptr.image->x, w->ptr.image->y);
+        draw_string(dst, font, string, pos);
+        draw_bitmap(dst, w->ptr.image, pos, w->size);
+        if (ui->active == w) {
+          F32 ratio = (F32)w->ptr.image->y / (F32)w->ptr.image->x;
+          w->size.x -= os.delta_mouse_pos.x;
+          w->size.y = w->size.x * ratio;
+        }
+        if (ui->hot == w) {
+          draw_rect(dst, rect.x, rect.y, rect.width, rect.height, vec4(1, 1, 1, 0.1f));
+        }
+      } break;
+      case UIWidgetKind_Boolean: {
+        pos.y -= font->height;
+        Vec4 color = vec4(0, 0, 0, 1);
+        String string = string_fmt(scratch, "%s %d", w->text, *w->ptr.b32);
+        rect = get_string_rect(font, string, pos);
+        B32 clicked = ui_mouse_test(ui, w, rect);
+        if (clicked) *w->ptr.b32 = !*w->ptr.b32;
+        if (ui->hot == w) {
+          color = vec4(0.4f, 0.4f, 0.4f, 1.f);
+        }
+        rect.y = rect.y-font->line_advance / 5;
+        draw_rect(dst, rect.x, rect.y, rect.width, rect.height, color);
+        rect = draw_string(dst, font, string, pos);
+        pos.y -= rect.height - font->height;
+      } break;
+      case UIWidgetKind_Label: {
+        pos.y -= font->height;
+        rect = draw_string(dst, font, *w->ptr.label, pos);
+        pos.y -= rect.height - font->height;
+      } break;
+      case UIWidgetKind_Option: {
+        pos.y -= font->height;
+        Vec4 color = vec4(0, 0, 0, 1);
+        String string = string_fmt(scratch, "%Q %Q", w->text, *w->ptr.option);
+        rect = get_string_rect(font, string, pos);
+        B32 clicked = ui_mouse_test(ui, w, rect);
+        if (clicked) {
+          *w->ptr.b32 = (*w->ptr.b32+1) % w->option_max;
+        }
+        if (ui->hot == w) {
+          color = vec4(0.4f, 0.4f, 0.4f, 1.f);
+        }
+        rect.y = rect.y-font->line_advance / 5;
+        draw_rect(dst, rect.x, rect.y, rect.width, rect.height, color);
+        rect = draw_string(dst, font, string, pos);
+        pos.y -= rect.height - font->height;
+      } break;
+      case UIWidgetKind_Signal: {
+        pos.y -= font->height;
+        Vec4 color = vec4(0, 0, 0, 1);
+        String string = string_fmt(scratch, "%Q", w->text);
+        rect = get_string_rect(font, string, pos);
+        B32 clicked = ui_mouse_test(ui, w, rect);
+        if (clicked) {
+          w->ptr.signal_callback();
+        }
+        if (ui->hot == w) {
+          color = vec4(0.4f, 0.4f, 0.4f, 1.f);
+        }
+        rect.y = rect.y-font->line_advance / 5;
+        draw_rect(dst, rect.x, rect.y, rect.width, rect.height, color);
+        rect = draw_string(dst, font, string, pos);
+        pos.y -= rect.height - font->height;
+      } break;
+      invalid_default_case;
+    }
+  }
+}
\ No newline at end of file
diff --git a/sf_vec.cpp b/sf_vec.cpp
new file mode 100644
index 0000000..cdceb69
--- /dev/null
+++ b/sf_vec.cpp
@@ -0,0 +1,54 @@
+#include <intrin.h>
+
+union Vec8{
+  __m256 simd;
+  F32    e[8];
+  Vec4   v4[2];
+  force_inline F32 &operator[](S64 i){ return e[i]; }
+};
+
+force_inline Vec8 floor8(Vec8 v){ return {_mm256_floor_ps(v.simd)}; }
+force_inline Vec8 loadu8(void *m){ return {_mm256_loadu_ps((const float *)m)}; }
+force_inline Vec8 vec8(F32 x){return {_mm256_set1_ps(x)}; }
+force_inline Vec8 vec8(F32 a, F32 b, F32 c, F32 d, F32 e, F32 f, F32 g, F32 h){ return {_mm256_set_ps(h, g, f, e, d, c, b, a)}; }
+force_inline Vec8 operator+(Vec8 a, Vec8 b){ return {_mm256_add_ps(a.simd, b.simd)}; }
+force_inline Vec8 operator-(Vec8 a, Vec8 b){ return {_mm256_sub_ps(a.simd, b.simd)}; }
+force_inline Vec8 operator*(Vec8 a, Vec8 b){ return {_mm256_mul_ps(a.simd, b.simd)}; }
+force_inline Vec8 operator/(Vec8 a, Vec8 b){ return {_mm256_div_ps(a.simd, b.simd)}; }
+
+force_inline Vec8 operator>=(Vec8 a, Vec8 b){ return {_mm256_cmp_ps(a.simd, b.simd, _CMP_GE_OQ)}; }
+force_inline Vec8 operator<=(Vec8 a, Vec8 b){ return {_mm256_cmp_ps(a.simd, b.simd, _CMP_LE_OQ)}; }
+force_inline Vec8 operator<(Vec8 a, Vec8 b){ return {_mm256_cmp_ps(a.simd, b.simd, _CMP_LT_OQ)}; }
+force_inline Vec8 operator>(Vec8 a, Vec8 b){ return {_mm256_cmp_ps(a.simd, b.simd, _CMP_GT_OQ)}; }
+force_inline Vec8 operator&(Vec8 a, Vec8 b){ return {_mm256_and_ps(a.simd, b.simd)}; }
+
+force_inline Vec8 operator+=(Vec8 &a, Vec8 b){ a = a + b; return a; }
+force_inline Vec8 operator-=(Vec8 &a, Vec8 b){ a = a - b; return a; }
+force_inline Vec8 operator*=(Vec8 &a, Vec8 b){ a = a * b; return a; }
+force_inline Vec8 operator/=(Vec8 &a, Vec8 b){ a = a / b; return a; }
+
+union Vec8I{
+  __m256i simd;
+  S32     e[8];
+  Vec4I   v4[2];
+  force_inline S32 &operator[](S64 i){ return e[i]; }
+};
+
+force_inline Vec8I vec8i(S32 x){return {_mm256_set1_epi32(x)}; }
+force_inline Vec8I vec8i(S32 a, S32 b, S32 c, S32 d, S32 e, S32 f, S32 g, S32 h){ return {_mm256_set_epi32(h, g, f, e, d, c, b, a)}; }
+force_inline Vec8I operator>(Vec8I a, Vec8I b){
+  return {_mm256_cmpgt_epi32(a.simd, b.simd)};
+}
+force_inline Vec8I operator>>(Vec8I a, U8 v){ return {_mm256_srai_epi32(a.simd, v)}; }
+force_inline Vec8I operator&(Vec8I a, Vec8I b){ return {_mm256_and_si256(a.simd, b.simd)}; }
+force_inline Vec8I operator+(Vec8I a, Vec8I b){ return {_mm256_add_epi32(a.simd, b.simd)}; }
+force_inline Vec8I operator-(Vec8I a, Vec8I b){ return {_mm256_sub_epi32(a.simd, b.simd)}; }
+force_inline Vec8I operator*(Vec8I a, Vec8I b){
+  return {_mm256_mullo_epi32(a.simd, b.simd)};  //_mm256_mul_epi32
+}
+// Vec8I operator/(Vec8I a, Vec8I b){ return {_mm256_div_epi32(a.simd, b.simd)}; }
+force_inline Vec8I operator+=(Vec8I &a, Vec8I b){ return a + b; }
+
+force_inline Vec8I convert_vec8_to_vec8i(Vec8 v){ return Vec8I{_mm256_cvtps_epi32(v.simd)}; }
+force_inline Vec8  convert_vec8i_to_vec8(Vec8I v){ return {_mm256_cvtepi32_ps(v.simd)}; }
+
diff --git a/sf_work_queue.cpp b/sf_work_queue.cpp
new file mode 100644
index 0000000..7caa49f
--- /dev/null
+++ b/sf_work_queue.cpp
@@ -0,0 +1,100 @@
+
+// @Section: Work Queue
+#define WORK_QUEUE_CALLBACK(name) void name(void *data)
+typedef WORK_QUEUE_CALLBACK(WorkQueueCallback);
+
+struct WorkQueueEntry {
+  WorkQueueCallback *callback;
+  void *data;
+};
+
+struct WorkQueue {
+  WorkQueueEntry entries[256];
+  S64 volatile index_to_write;
+  S64 volatile index_to_read;
+  S64 volatile completion_index;
+  S64 volatile completion_goal;
+  HANDLE semaphore;
+};
+
+struct ThreadStartupInfo {
+  DWORD thread_id;
+  S32 thread_index;
+  WorkQueue *queue;
+};
+
+S64 atomic_increment(volatile S64 *i){
+  return InterlockedIncrement64(i);
+}
+
+S64 atomic_compare_and_swap(volatile S64 *dst, S64 exchange, S64 comperand){
+  return InterlockedCompareExchange64(dst, exchange, comperand);
+}
+
+void push_work(WorkQueue *wq, void *data, WorkQueueCallback *callback) {
+  U32 new_index = (wq->index_to_write + 1) % buff_cap(wq->entries);
+  assert(new_index != wq->index_to_read);
+
+  WorkQueueEntry *entry = wq->entries + wq->index_to_write;
+  entry->data = data;
+  entry->callback = callback;
+
+  wq->completion_goal+=1;
+  _WriteBarrier();
+  wq->index_to_write = new_index;
+  ReleaseSemaphore(wq->semaphore, 1, 0);
+}
+
+bool try_doing_work(WorkQueue *wq) {
+  bool should_sleep = false;
+  S64 original_index_to_read = wq->index_to_read;
+  S64 new_index_to_read = (original_index_to_read + 1) % buff_cap(wq->entries);
+  if(original_index_to_read != wq->index_to_write) {
+    S64 index = atomic_compare_and_swap(&wq->index_to_read, new_index_to_read, original_index_to_read);
+    if(index == original_index_to_read) {
+      WorkQueueEntry *entry = wq->entries + index;
+      entry->callback(entry->data);
+      atomic_increment(&wq->completion_index);
+    }
+  }
+  else {
+    should_sleep = true;
+  }
+  return should_sleep;
+}
+
+DWORD WINAPI thread_proc(LPVOID param) {
+  auto ti = (ThreadStartupInfo *)param;
+
+  Thread_Ctx ctx = {};
+  ctx.thread_index = ti->thread_index;
+  for(;;) {
+    if(try_doing_work(ti->queue)) {
+      WaitForSingleObject(ti->queue->semaphore, INFINITE);
+    }
+  }
+}
+
+void init_work_queue(WorkQueue *queue, U32 thread_count, ThreadStartupInfo *info) {
+  queue->index_to_read = 0;
+  queue->index_to_write = 0;
+  queue->completion_index = 0;
+  queue->completion_goal = 0;
+  queue->semaphore = CreateSemaphoreExA(0, 0, thread_count, 0, 0, SEMAPHORE_ALL_ACCESS);
+  assert_msg(queue->semaphore != INVALID_HANDLE_VALUE, "Failed to create semaphore");
+
+  for(U32 i = 0; i < thread_count; i++) {
+    ThreadStartupInfo *ti = info + i;
+    ti->thread_index = i;
+    ti->queue = queue;
+    HANDLE thread_handle = CreateThread(0, 0, thread_proc, ti, 0, &ti->thread_id);
+    assert_msg(thread_handle != INVALID_HANDLE_VALUE, "Failed to create thread");
+    CloseHandle(thread_handle);
+  }
+}
+
+void wait_until_completion(WorkQueue *wq) {
+  while(wq->completion_goal != wq->completion_index) {
+    try_doing_work(wq);
+  }
+}