Trait DeviceBackend 

pub trait DeviceBackend {
    // Required methods
    fn api_name(&self) -> &str;
    fn stats(&self) -> GpuStats;
    fn reset_stats(&mut self);
    fn create_pipeline(
        &mut self,
        vertex_source: &[u8],
        fragment_source: &[u8],
        vertex_attrs: &[VertexAttr],
        texture_locations: &[(u32, String)],
        options: PipelineOptions,
    ) -> Result<u64, String>;
    fn create_vertex_buffer(
        &mut self,
        attrs: &[VertexAttr],
        step_mode: VertexStepMode,
    ) -> Result<u64, String>;
    fn create_index_buffer(
        &mut self,
        format: IndexFormat,
    ) -> Result<u64, String>;
    fn create_uniform_buffer(
        &mut self,
        slot: u32,
        name: &str,
    ) -> Result<u64, String>;
    fn set_buffer_data(&mut self, buffer: u64, data: &[u8]);
    fn render(&mut self, commands: &[Commands], target: Option<u64>);
    fn clean(&mut self, to_clean: &[ResourceId]);
    fn set_size(&mut self, width: u32, height: u32);
    fn set_dpi(&mut self, scale_factor: f64);
    fn create_texture(
        &mut self,
        source: TextureSourceKind,
        info: TextureInfo,
    ) -> Result<(u64, TextureInfo), String>;
    fn create_render_texture(
        &mut self,
        texture_id: u64,
        info: &TextureInfo,
    ) -> Result<u64, String>;
    fn update_texture(
        &mut self,
        texture: u64,
        source: TextureUpdaterSourceKind<'_>,
        opts: TextureUpdate,
    ) -> Result<(), String>;
    fn read_pixels(
        &mut self,
        texture: u64,
        bytes: &mut [u8],
        opts: &TextureRead,
    ) -> Result<(), String>;
    fn as_any_mut(&mut self) -> &mut (dyn Any + 'static);

    // Provided method
    fn limits(&self) -> Limits { ... }
}

Represents a the implementation graphics backend like glow, wgpu or another

Required Methods

fn api_name(&self) -> &str

Returns the name of the api used (like webgl, wgpu, etc…)

fn stats(&self) -> GpuStats

Return the GPU stats

fn reset_stats(&mut self)

Reset the GPU stats

fn create_pipeline( &mut self, vertex_source: &[u8], fragment_source: &[u8], vertex_attrs: &[VertexAttr], texture_locations: &[(u32, String)], options: PipelineOptions, ) -> Result<u64, String>

Create a new pipeline and returns the id

fn create_vertex_buffer( &mut self, attrs: &[VertexAttr], step_mode: VertexStepMode, ) -> Result<u64, String>

Create a new vertex buffer object and returns the id

fn create_index_buffer(&mut self, format: IndexFormat) -> Result<u64, String>

Create a new index buffer object and returns the id

fn create_uniform_buffer( &mut self, slot: u32, name: &str, ) -> Result<u64, String>

Create a new uniform buffer and returns the id

fn set_buffer_data(&mut self, buffer: u64, data: &[u8])

Upload to the GPU the buffer data slice

fn render(&mut self, commands: &[Commands], target: Option<u64>)

Create a new renderer using the size of the graphics

fn clean(&mut self, to_clean: &[ResourceId])

Clean all the dropped resources

fn set_size(&mut self, width: u32, height: u32)

Sets the render size

fn set_dpi(&mut self, scale_factor: f64)

Sets the screen dpi

fn create_texture( &mut self, source: TextureSourceKind, info: TextureInfo, ) -> Result<(u64, TextureInfo), String>

Create a new texture and returns the id

fn create_render_texture( &mut self, texture_id: u64, info: &TextureInfo, ) -> Result<u64, String>

Create a new render target and returns the id

fn update_texture( &mut self, texture: u64, source: TextureUpdaterSourceKind<'_>, opts: TextureUpdate, ) -> Result<(), String>

Update texture data

fn read_pixels( &mut self, texture: u64, bytes: &mut [u8], opts: &TextureRead, ) -> Result<(), String>

Read texture pixels

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Provided Methods

fn limits(&self) -> Limits

Return the device limits

Implementors

impl DeviceBackend for GlowBackend