| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef Vertex_hpp |
| #define Vertex_hpp |
| |
| #include "Color.hpp" |
| #include "Common/Types.hpp" |
| #include "Main/Config.hpp" |
| |
| namespace sw |
| { |
| enum Out |
| { |
| // Default vertex output semantics |
| Pos = 0, |
| C0 = 1, // Diffuse |
| C1 = 2, // Specular |
| T0 = 3, |
| T1 = 4, |
| T2 = 5, |
| T3 = 6, |
| T4 = 7, |
| T5 = 8, |
| T6 = 9, |
| T7 = 10, |
| Fog = 11, // x component |
| Pts = Fog, // y component |
| |
| // Variable semantics |
| V0 = 0, |
| Vn_1 = MAX_VERTEX_OUTPUTS - 1, |
| |
| Unused, |
| VERTEX_OUTPUT_LAST = Unused, |
| }; |
| |
| struct UVWQ |
| { |
| float u; |
| float v; |
| float w; |
| float q; |
| |
| float &operator[](int i) |
| { |
| return (&u)[i]; |
| } |
| }; |
| |
| ALIGN(16, struct Vertex |
| { |
| union |
| { |
| struct // Fixed semantics |
| { |
| // Position |
| float x; |
| float y; |
| float z; |
| float w; |
| |
| float4 C[2]; // Diffuse and specular color |
| |
| UVWQ T[8]; // Texture coordinates |
| |
| float f; // Fog |
| float pSize; // Point size |
| }; |
| |
| float4 v[MAX_VERTEX_OUTPUTS]; // Generic components using semantic declaration |
| }; |
| |
| // Projected coordinates |
| int X; |
| int Y; |
| float Z; |
| float W; |
| |
| int clipFlags; |
| int padding[3]; |
| }); |
| |
| static_assert((sizeof(Vertex) & 0x0000000F) == 0, "Vertex size not a multiple of 16 bytes (alignment requirement)"); |
| } |
| |
| #endif // Vertex_hpp |