Direct3D11 common shader changes.

Templates/Empty/game/shaders/common/shaderModel.hlsl

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+//-----------------------------------------------------------------------------
+// Copyright (c) 2015 GarageGames, LLC
+//
+// 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.
+//-----------------------------------------------------------------------------
+
+#ifndef _TORQUE_SHADERMODEL_
+#define _TORQUE_SHADERMODEL_
+
+// Portability helpers for different shader models
+//Shader model 1.0 - 3.0
+#if (TORQUE_SM >= 10 && TORQUE_SM <=30)
+   // Semantics
+   #define TORQUE_POSITION POSITION
+   #define TORQUE_DEPTH DEPTH
+   #define TORQUE_TARGET0 COLOR0
+   #define TORQUE_TARGET1 COLOR1
+   #define TORQUE_TARGET2 COLOR2
+   #define TORQUE_TARGET3 COLOR3
+   
+   // Sampler uniforms
+   #define TORQUE_UNIFORM_SAMPLER1D(tex,regist) uniform sampler1D tex : register(S##regist)
+   #define TORQUE_UNIFORM_SAMPLER2D(tex,regist) uniform sampler2D tex : register(S##regist)
+   #define TORQUE_UNIFORM_SAMPLER3D(tex,regist) uniform sampler3D tex : register(S##regist)
+   #define TORQUE_UNIFORM_SAMPLERCUBE(tex,regist) uniform samplerCUBE tex : register(S##regist)
+   // Sampling functions
+   #define TORQUE_TEX1D(tex,coords) tex1D(tex,coords)
+   #define TORQUE_TEX2D(tex,coords) tex2D(tex,coords)
+   #define TORQUE_TEX2DPROJ(tex,coords) tex2Dproj(tex,coords) //this really is sm 2 or later
+   #define TORQUE_TEX3D(tex,coords) tex3D(tex,coords)
+   #define TORQUE_TEXCUBE(tex,coords) texCUBE(tex,coords)
+   
+   //Shader model 3.0 only
+   #if TORQUE_SM == 30
+      #define TORQUE_VPOS VPOS // This is a float2
+      // The mipmap LOD is specified in coord.w
+      #define TORQUE_TEX2DLOD(tex,coords) tex2Dlod(tex,coords)
+   #endif
+
+   //helper if you want to pass sampler/texture in a function
+   //2D
+   #define TORQUE_SAMPLER2D(tex) sampler2D tex
+   #define TORQUE_SAMPLER2D_MAKEARG(tex) tex
+   //Cube
+   #define TORQUE_SAMPLERCUBE(tex) samplerCUBE tex
+   #define TORQUE_SAMPLERCUBE_MAKEARG(tex) tex
+// Shader model 4.0+
+#elif TORQUE_SM >= 40
+   #define TORQUE_POSITION SV_Position
+   #define TORQUE_DEPTH SV_Depth
+   #define TORQUE_VPOS SV_Position //note float4 compared to SM 3 where it is a float2
+   #define TORQUE_TARGET0 SV_Target0
+   #define TORQUE_TARGET1 SV_Target1
+   #define TORQUE_TARGET2 SV_Target2
+   #define TORQUE_TARGET3 SV_Target3
+   // Sampler uniforms
+   //1D is emulated to a 2D for now
+   #define TORQUE_UNIFORM_SAMPLER1D(tex,regist) uniform Texture2D texture_##tex : register(T##regist); uniform SamplerState tex : register(S##regist)
+   #define TORQUE_UNIFORM_SAMPLER2D(tex,regist) uniform Texture2D texture_##tex : register(T##regist); uniform SamplerState tex : register(S##regist)
+   #define TORQUE_UNIFORM_SAMPLER3D(tex,regist) uniform Texture3D texture_##tex : register(T##regist); uniform SamplerState tex : register(S##regist)
+   #define TORQUE_UNIFORM_SAMPLERCUBE(tex,regist) uniform TextureCube texture_##tex : register(T##regist); uniform SamplerState tex : register(S##regist)
+   // Sampling functions
+   #define TORQUE_TEX1D(tex,coords) texture_##tex.Sample(tex,coords)
+   #define TORQUE_TEX2D(tex,coords) texture_##tex.Sample(tex,coords)
+   #define TORQUE_TEX2DPROJ(tex,coords) texture_##tex.Sample(tex,coords.xy / coords.w)
+   #define TORQUE_TEX3D(tex,coords) texture_##tex.Sample(tex,coords)
+   #define TORQUE_TEXCUBE(tex,coords) texture_##tex.Sample(tex,coords)
+   // The mipmap LOD is specified in coord.w
+   #define TORQUE_TEX2DLOD(tex,coords) texture_##tex.SampleLevel(tex,coords.xy,coords.w)
+
+   //helper if you want to pass sampler/texture in a function
+   //2D
+   #define TORQUE_SAMPLER2D(tex) Texture2D texture_##tex, SamplerState tex
+   #define TORQUE_SAMPLER2D_MAKEARG(tex) texture_##tex, tex
+   //Cube
+   #define TORQUE_SAMPLERCUBE(tex) TextureCube texture_##tex, SamplerState tex
+   #define TORQUE_SAMPLERCUBE_MAKEARG(tex) texture_##tex, tex
+#endif
+
+#endif // _TORQUE_SHADERMODEL_
+