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@@ -0,0 +1,134 @@
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+#+build js
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+#+private file
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+
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+package karl2d
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+
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+@(private="package")
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+RENDER_BACKEND_NIL :: Render_Backend_Interface {
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+ state_size = rbnil_state_size,
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+ init = rbnil_init,
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+ shutdown = rbnil_shutdown,
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+ clear = rbnil_clear,
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+ present = rbnil_present,
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+ draw = rbnil_draw,
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+ resize_swapchain = rbnil_resize_swapchain,
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+ get_swapchain_width = rbnil_get_swapchain_width,
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+ get_swapchain_height = rbnil_get_swapchain_height,
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+ flip_z = rbnil_flip_z,
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+ set_internal_state = rbnil_set_internal_state,
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+ create_texture = rbnil_create_texture,
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+ load_texture = rbnil_load_texture,
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+ update_texture = rbnil_update_texture,
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+ destroy_texture = rbnil_destroy_texture,
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+ create_render_texture = rbnil_create_render_texture,
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+ destroy_render_target = rbnil_destroy_render_target,
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+ set_texture_filter = rbnil_set_texture_filter,
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+ load_shader = rbnil_load_shader,
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+ destroy_shader = rbnil_destroy_shader,
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+
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+ default_shader_vertex_source = rbnil_default_shader_vertex_source,
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+ default_shader_fragment_source = rbnil_default_shader_fragment_source,
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+}
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+
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+import "core:log"
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+
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+rbnil_state_size :: proc() -> int {
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+ return 0
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+}
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+
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+rbnil_init :: proc(state: rawptr, window_handle: Window_Handle, swapchain_width, swapchain_height: int, allocator := context.allocator) {
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+ log.info("Render Backend nil init")
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+}
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+
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+rbnil_shutdown :: proc() {
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+ log.info("Render Backend nil shutdown")
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+}
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+
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+rbnil_clear :: proc(render_texture: Render_Target_Handle, color: Color) {
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+}
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+
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+rbnil_present :: proc() {
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+}
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+
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+rbnil_draw :: proc(
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+ shd: Shader,
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+ render_texture: Render_Target_Handle,
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+ bound_textures: []Texture_Handle,
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+ scissor: Maybe(Rect),
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+ blend_mode: Blend_Mode,
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+ vertex_buffer: []u8,
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+) {
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+}
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+
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+rbnil_resize_swapchain :: proc(w, h: int) {
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+}
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+
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+rbnil_get_swapchain_width :: proc() -> int {
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+ return 0
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+}
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+
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+rbnil_get_swapchain_height :: proc() -> int {
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+ return 0
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+}
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+
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+rbnil_flip_z :: proc() -> bool {
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+ return false
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+}
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+
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+rbnil_set_internal_state :: proc(state: rawptr) {
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+}
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+
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+rbnil_create_texture :: proc(width: int, height: int, format: Pixel_Format) -> Texture_Handle {
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+ return {}
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+}
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+
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+rbnil_load_texture :: proc(data: []u8, width: int, height: int, format: Pixel_Format) -> Texture_Handle {
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+ return {}
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+}
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+
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+rbnil_update_texture :: proc(th: Texture_Handle, data: []u8, rect: Rect) -> bool {
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+ return true
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+}
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+
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+rbnil_destroy_texture :: proc(th: Texture_Handle) {
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+}
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+
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+rbnil_create_render_texture :: proc(width: int, height: int) -> (Texture_Handle, Render_Target_Handle) {
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+ return {}, {}
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+}
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+
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+rbnil_destroy_render_target :: proc(render_target: Render_Target_Handle) {
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+
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+}
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+
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+rbnil_set_texture_filter :: proc(
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+ th: Texture_Handle,
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+ scale_down_filter: Texture_Filter,
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+ scale_up_filter: Texture_Filter,
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+ mip_filter: Texture_Filter,
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+) {
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+}
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+
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+rbnil_load_shader :: proc(
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+ vs_source: []byte,
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+ fs_source: []byte,
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+ desc_allocator := frame_allocator,
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+ layout_formats: []Pixel_Format = {},
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+) -> (
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+ handle: Shader_Handle,
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+ desc: Shader_Desc,
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+) {
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+ return {}, {}
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+}
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+
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+rbnil_destroy_shader :: proc(h: Shader_Handle) {
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+}
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+
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+rbnil_default_shader_vertex_source :: proc() -> []byte {
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+ return {}
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+}
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+
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+rbnil_default_shader_fragment_source :: proc() -> []byte {
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+ return {}
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+}
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+
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Karl Zylinski
