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| // 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
|
|
