letterbox.psh
资源名称:bfyy.rar [点击查看]
上传用户:tangyu_668
上传日期:2014-02-27
资源大小:678k
文件大小:0k
源码类别:
多媒体编程
开发平台:
Visual C++
- sampler s0 : register(s0);
- float4 p0 : register(c0);
- float4 p1 : register(c1);
- #define width (p0[0])
- #define height (p0[1])
- #define counter (p0[2])
- #define clock (p0[3])
- #define one_over_width (p1[0])
- #define one_over_height (p1[1])
- #define PI acos(-1)
- float4 main(float2 tex : TEXCOORD0) : COLOR
- {
- float4 c0 = 0;
- float2 ar = float2(16, 9);
- float h = (1 - width/height * ar.y/ar.x) / 2;
- if(tex.y >= h && tex.y <= 1-h)
- c0 = tex2D(s0, tex);
- return c0;
- }