vs.glsl
资源名称:3dwind2.0.rar [点击查看]
上传用户:xhbjoy
上传日期:2014-10-07
资源大小:38068k
文件大小:2k
源码类别:
游戏引擎
开发平台:
Visual C++
- /******************************************************************************
- Copyright (c) W.J. van der Laan
- Permission is hereby granted, free of charge, to any person obtaining a copy of
- this software and associated documentation files (the "Software"), to deal in
- the Software without restriction, including without limitation the rights to use,
- copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- Software, and to permit persons to whom the Software is furnished to do so, subject
- to the following conditions:
- The above copyright notice and this permission notice shall be included in all copies
- or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
- INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,OUT OF OR IN CONNECTION WITH THE
- SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- ******************************************************************************/
- /** Deferred shading framework
- // W.J. :wumpus: van der Laan 2005 //
- Post shader: Generic fullscreen quad
- */
- varying vec2 texCoord;
- varying vec3 projCoord;
- uniform mat4 invProj;
- void main()
- {
- vec2 inPos = sign(gl_Vertex.xy);
- gl_Position = vec4(inPos.xy, 0.0, 1.0);
- texCoord = (vec2(inPos.x, -inPos.y) + 1.0)/2.0;
- // Projection coordinates
- // Inverted projection matrix
- // These interpolate over the frustrum plane for w=1
- projCoord = vec3(invProj*vec4(inPos.x, inPos.y, 0, 1));
- }