/******************************************************************************

* The MIT License (MIT)

*

* Copyright (c) 2014 Crytek

*

* 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

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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

* THE SOFTWARE.

******************************************************************************/

// text shader, used for the overlay in game so that we can pass indices in the positon stream

// and it figures out the right place in the text texture to sample.

struct a2v

{

float3 pos : POSITION;

uint tex : TEXCOORD0;

};

struct v2f

{

float4 pos : SV_POSITION;

float4 tex : TEXCOORD0;

};

v2f RENDERDOC_TextVS(a2v IN)

{

v2f OUT = (v2f)0;

OUT.pos = float4((float2(IN.pos.z,0) + IN.pos.xy)*TextSize*FontScreenAspect.xy + TextPosition.xy, 0, 1)-float4(1,-1,0,0);

OUT.tex.xy = (IN.pos.xy+float2(0,1))*CharacterSize.xy + float2((IN.tex.x-1)*CharacterOffsetX, 0);

if(IN.tex.x == 0)

OUT.tex.xy = 0;

return OUT;

}

SamplerState pointSample : register(s0);

SamplerState linearSample : register(s1);

Texture2D debugTexture : register(t0);

float4 RENDERDOC_TextPS(v2f IN) : SV_Target0

{

IN.tex.y = 1 - IN.tex.y;

float4 text = debugTexture.Sample(linearSample, IN.tex.xy).xxxx;

return text + float4(0.0.xxx, 0.5);

}