fyrox_impl/renderer/
framework.rs

1// Copyright (c) 2019-present Dmitry Stepanov and Fyrox Engine contributors.
2//
3// Permission is hereby granted, free of charge, to any person obtaining a copy
4// of this software and associated documentation files (the "Software"), to deal
5// in the Software without restriction, including without limitation the rights
6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7// copies of the Software, and to permit persons to whom the Software is
8// furnished to do so, subject to the following conditions:
9//
10// The above copyright notice and this permission notice shall be included in all
11// copies or substantial portions of the Software.
12//
13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
19// SOFTWARE.
20
21//! Rendering framework.
22
23use crate::{
24    graphics::{
25        buffer::BufferUsage,
26        error::FrameworkError,
27        geometry_buffer::{
28            AttributeDefinition, AttributeKind, GpuGeometryBufferDescriptor, VertexBufferData,
29            VertexBufferDescriptor,
30        },
31        server::GraphicsServer,
32    },
33    scene::mesh::{buffer::VertexAttributeDataType, surface::SurfaceData},
34};
35use fyrox_graphics::geometry_buffer::{ElementsDescriptor, GpuGeometryBuffer};
36
37/// Extension trait for [`GpuGeometryBuffer`].
38pub trait GeometryBufferExt {
39    /// Creates [`GpuGeometryBuffer`] from [`SurfaceData`].
40    fn from_surface_data(
41        name: &str,
42        data: &SurfaceData,
43        usage: BufferUsage,
44        server: &dyn GraphicsServer,
45    ) -> Result<GpuGeometryBuffer, FrameworkError>;
46}
47
48impl GeometryBufferExt for GpuGeometryBuffer {
49    fn from_surface_data(
50        name: &str,
51        data: &SurfaceData,
52        usage: BufferUsage,
53        server: &dyn GraphicsServer,
54    ) -> Result<GpuGeometryBuffer, FrameworkError> {
55        let attributes = data
56            .vertex_buffer
57            .layout()
58            .iter()
59            .map(|a| AttributeDefinition {
60                location: a.shader_location as u32,
61                kind: match a.data_type {
62                    VertexAttributeDataType::F32 => AttributeKind::Float,
63                    VertexAttributeDataType::U32 => AttributeKind::UnsignedInt,
64                    VertexAttributeDataType::U16 => AttributeKind::UnsignedShort,
65                    VertexAttributeDataType::U8 => AttributeKind::UnsignedByte,
66                },
67                component_count: a.size as usize,
68                normalized: a.normalized,
69                divisor: a.divisor as u32,
70            })
71            .collect::<Vec<_>>();
72
73        let geometry_buffer_desc = GpuGeometryBufferDescriptor {
74            name,
75            buffers: &[VertexBufferDescriptor {
76                usage,
77                attributes: &attributes,
78                data: VertexBufferData {
79                    element_size: data.vertex_buffer.vertex_size() as usize,
80                    bytes: Some(data.vertex_buffer.raw_data()),
81                },
82            }],
83            usage,
84            elements: ElementsDescriptor::Triangles(data.geometry_buffer.triangles_ref()),
85        };
86
87        server.create_geometry_buffer(geometry_buffer_desc)
88    }
89}
fyrox_impl/renderer/framework.rs

fyrox_impl/renderer/
framework.rs
