mame/hlsl/primary.fx
2013-08-28 00:36:02 +00:00

92 lines
2.3 KiB
HLSL

//-----------------------------------------------------------------------------
// Effect File Variables
//-----------------------------------------------------------------------------
texture Diffuse;
sampler DiffuseSampler = sampler_state
{
Texture = <Diffuse>;
MipFilter = LINEAR;
MinFilter = LINEAR;
MagFilter = LINEAR;
AddressU = CLAMP;
AddressV = CLAMP;
AddressW = CLAMP;
};
//-----------------------------------------------------------------------------
// Vertex Definitions
//-----------------------------------------------------------------------------
struct VS_OUTPUT
{
float4 Position : POSITION;
float4 Color : COLOR0;
float2 TexCoord : TEXCOORD0;
};
struct VS_INPUT
{
float3 Position : POSITION;
float4 Color : COLOR0;
float2 TexCoord : TEXCOORD0;
float2 Unused : TEXCOORD1;
};
struct PS_INPUT
{
float4 Color : COLOR0;
float2 TexCoord : TEXCOORD0;
};
//-----------------------------------------------------------------------------
// Simple Vertex Shader
//-----------------------------------------------------------------------------
uniform float2 ScreenDims;
uniform float PostPass;
uniform float FixedAlpha;
uniform float Brighten;
VS_OUTPUT vs_main(VS_INPUT Input)
{
VS_OUTPUT Output = (VS_OUTPUT)0;
Output.Position = float4(Input.Position.xyz, 1.0f);
Output.Position.xy /= ScreenDims;
Output.Position.y = 1.0f - Output.Position.y;
Output.Position.xy -= 0.5f;
Output.Position *= float4(2.0f, 2.0f, 1.0f, 1.0f);
Output.Color = Input.Color;
Output.TexCoord = lerp(Input.TexCoord, Input.Position.xy / ScreenDims, PostPass);
return Output;
}
//-----------------------------------------------------------------------------
// Simple Pixel Shader
//-----------------------------------------------------------------------------
float4 ps_main(PS_INPUT Input) : COLOR
{
float4 BaseTexel = tex2D(DiffuseSampler, Input.TexCoord);
return BaseTexel * (Input.Color + float4(Brighten, Brighten, Brighten, 0.0f));
}
//-----------------------------------------------------------------------------
// Simple Effect
//-----------------------------------------------------------------------------
technique TestTechnique
{
pass Pass0
{
Lighting = FALSE;
//Sampler[0] = <DiffuseSampler>;
VertexShader = compile vs_2_0 vs_main();
PixelShader = compile ps_2_0 ps_main();
}
}