wip ellipse

Author: Geolm

lib/rasterizer.h

@@ -3,7 +3,7 @@
 
 #include <stddef.h>
 
-static const size_t rasterizer_shader_size = 24121;
+static const size_t rasterizer_shader_size = 24747;
 static const char rasterizer_shader[] =
     "// ---------------------------------------------------------------------------------------------------------------------------\n"
     "// Structures\n"
@@ -567,6 +567,19 @@ static const char rasterizer_shader[] =
     "                        }\n"
     "                        distance -= g_draw_data[data_idx + 5u];\n"
     "                    }\n"
+    "                    case PRIMITIVE_ELLIPSE:\n"
+    "                    {\n"
+    "                        let p0 = vec2<f32>(g_draw_data[data_idx + 0u], g_draw_data[data_idx + 1u]);\n"
+    "                        let p1 = vec2<f32>(g_draw_data[data_idx + 2u], g_draw_data[data_idx + 3u]);\n"
+    "                        let width = g_draw_data[data_idx + 4u];\n"
+    "\n"
+    "                        distance = sd_oriented_ellipse(in.pos.xy, p0, p1, width);\n"
+    "\n"
+    "                        if (fillmode == FILL_HOLLOW) \n"
+    "                        {\n"
+    "                            distance = abs(distance) - g_draw_data[data_idx + 5u];;\n"
+    "                        }\n"
+    "                    }\n"
     "                    case PRIMITIVE_AABOX:\n"
     "                    {\n"
     "                        let center = vec2<f32>(g_draw_data[data_idx + 0u], g_draw_data[data_idx + 1u]);\n"

src/shaders/rasterizer.wgsl

@@ -366,6 +366,19 @@ fn tile_fs(in: vs_out) -> @location(0) vec4<f32>
                         }
                         distance -= g_draw_data[data_idx + 5u];
                     }
+                    case PRIMITIVE_ELLIPSE:
+                    {
+                        let p0 = vec2<f32>(g_draw_data[data_idx + 0u], g_draw_data[data_idx + 1u]);
+                        let p1 = vec2<f32>(g_draw_data[data_idx + 2u], g_draw_data[data_idx + 3u]);
+                        let width = g_draw_data[data_idx + 4u];
+
+                        distance = sd_oriented_ellipse(in.pos.xy, p0, p1, width);
+
+                        if (fillmode == FILL_HOLLOW) 
+                        {
+                            distance = abs(distance) - g_draw_data[data_idx + 5u];;
+                        }
+                    }
                     case PRIMITIVE_AABOX:
                     {
                         let center = vec2<f32>(g_draw_data[data_idx + 0u], g_draw_data[data_idx + 1u]);