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 31 layout(std140, binding = 0) uniform buf { 32 mat4 MVP; 33 vec4 position[12*3]; 34 vec4 attr[12*3]; 35 } ubuf; 36 37 layout (location = 0) out vec4 texcoord; 38 39 out gl_PerVertex { 40 vec4 gl_Position; 41 }; 42 43 void 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
