RetroArch/hqflt/cg/scanline.cg
2010-11-13 13:18:57 +01:00

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/* Default Vertex shader */
void main_vertex
(
float4 position : POSITION,
float4 color : COLOR,
float2 texCoord : TEXCOORD0,
uniform float4x4 modelViewProj,
out float4 oPosition : POSITION,
out float4 oColor : COLOR,
out float2 otexCoord : TEXCOORD
)
{
oPosition = mul(modelViewProj, position);
oColor = color;
otexCoord = texCoord;
}
struct output
{
float4 color : COLOR;
};
struct input
{
float2 video_size;
float2 texture_size;
float2 output_size;
};
output main_fragment(float2 texCoord : TEXCOORD0, uniform sampler2D decal : TEXUNIT0, uniform input IN)
{
output OUT;
float winHeight = IN.output_size.y;
float4 tex_color = tex2D(decal, texCoord);
OUT.color = (1.0 - 0.60 * floor(fmod(texCoord.y * winHeight, 2.0))) * tex_color;
return OUT;
}