cube.vert revision 3cd96a2da93fa325b0d51369388f9b93798f6c80 
1/*
2 * Copyright (c) 2015-2016 The Khronos Group Inc.
3 * Copyright (c) 2015-2016 Valve Corporation
4 * Copyright (c) 2015-2016 LunarG, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and/or associated documentation files (the "Materials"), to
8 * deal in the Materials without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Materials, and to permit persons to whom the Materials are
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice(s) and this permission notice shall be included in
14 * all copies or substantial portions of the Materials.
15 *
16 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19 *
20 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
23 * USE OR OTHER DEALINGS IN THE MATERIALS.
24 */
25/*
26 * Vertex shader used by Cube demo.
27 */
28#version 400
29#extension GL_ARB_separate_shader_objects : enable
30#extension GL_ARB_shading_language_420pack : enable
31layout(std140, binding = 0) uniform buf {
32        mat4 MVP;
33        vec4 position[12*3];
34        vec4 attr[12*3];
35} ubuf;
36
37layout (location = 0) out vec4 texcoord;
38
39out gl_PerVertex {
40        vec4 gl_Position;
41};
42
43void main()
44{
45   texcoord = ubuf.attr[gl_VertexIndex];
46   gl_Position = ubuf.MVP * ubuf.position[gl_VertexIndex];
47
48   // GL->VK conventions
49   gl_Position.y = -gl_Position.y;
50   gl_Position.z = (gl_Position.z + gl_Position.w) / 2.0;
51}
52