wolfhece.opengl.filled_polygon_shader2d

Shared-resource filled polygon shader for vector rendering.

Renders filled polygons from CPU-triangulated geometry (triangle list) with optional alpha animation. The shader program is compiled once and reused for all vectors.

Module Contents

wolfhece.opengl.filled_polygon_shader2d.SHADER_DIR

class wolfhece.opengl.filled_polygon_shader2d.FilledPolygonShader2D

Shared shader pipeline for CPU-triangulated filled polygons.

_instance: FilledPolygonShader2D | None = None

_program: int | None = None

_locs: dict[str, int] | None = None

_vao: int | None = None

_vbo: int | None = None

_texture_cache: dict[tuple[str, float], int]

classmethod get_instance() → FilledPolygonShader2D

_init_program()

static _compile_shader(shader_type: int, path: pathlib.Path) → int

_ensure_vao_vbo()

_upload(data: numpy.ndarray)

_get_texture_id(texture_path: str) → int | None

_bind_material(material: wolfhece.pyvertexvectors.polygon_pbr_material.PolygonPBRMaterial | None)

draw_filled(vbo_data: numpy.ndarray, vertex_count: int, mvp: numpy.ndarray, viewport: tuple[int, int], color: tuple[float, float, float, float], material: wolfhece.pyvertexvectors.polygon_pbr_material.PolygonPBRMaterial | None = None, fill_anim_center: tuple[float, float] = (0.0, 0.0), fill_anim_radius: float = 1.0, fill_anim_start_angle: float = 90.0, anim_phase: float = 0.0, anim_mode: int = 0, cushion_strength: float = 0.0, boundary_pts: numpy.ndarray | None = None, cushion_max_dist: float = 1.0)

Draw triangles for a filled polygon.

destroy()