Added setAnim to camera. Added global fog set via worldspawn.

neo/engine/opengl/gl_d3d12arb.cpp

@@ -1114,7 +1114,7 @@ cbuffer DrawCB : register(b0)
     float gFogEnd;
     float gPointSize;
     float gMaterialType;
-    float gFogPad2;
+    float gAlphaFunc;
 
     float4 gFogColor;
 
@@ -1123,17 +1123,61 @@ cbuffer DrawCB : register(b0)
     float2 gJitterPixels;
     float2 gPrevJitterPixels;
     float4 gMotionPad;
+    float4 gMaterialMapPad;
+    float4 gTexComb0RGB;
+    float4 gTexComb0Alpha;
+    float4 gTexComb0Operand;
+    float4 gTexEnvColor0;
+    float4 gTexComb1RGB;
+    float4 gTexComb1Alpha;
+    float4 gTexComb1Operand;
+    float4 gTexEnvColor1;
+    float4 gCameraPomPad;
+    float4 gNeuralPomPad;
 
     float4 gARBEnv[128];
     float4 gARBLocalVP[128];
     float4 gARBLocalFP[128];
 };
 
+#define gCameraWorldPos     gCameraPomPad.xyz
+#define gCameraPomValid     gCameraPomPad.w
+
 float3 QD3D12ARB_NormalizeSafe(float3 v)
 {
     return v * rsqrt(max(dot(v, v), 1e-20));
 }
 
+float QD3D12ARB_ComputeFogFactor(float fogCoord)
+{
+    if (gFogEnabled < 0.5)
+        return 1.0;
+
+    float f;
+    if (gFogMode < 0.5)
+    {
+        float denom = max(gFogEnd - gFogStart, 0.00001);
+        f = (gFogEnd - fogCoord) / denom;
+    }
+    else if (gFogMode < 1.5)
+    {
+        f = exp(-gFogDensity * fogCoord);
+    }
+    else
+    {
+        float d = gFogDensity * fogCoord;
+        f = exp(-(d * d));
+    }
+    return saturate(f);
+}
+
+float4 QD3D12ARB_ApplyFog(float4 color, float fogCoord)
+{
+    float fogFactor = QD3D12ARB_ComputeFogFactor(fogCoord);
+    color.rgb = lerp(gFogColor.rgb, color.rgb, fogFactor);
+    return color;
+}
+
 )HLSL";
 		}
 
@@ -1172,6 +1216,7 @@ VSOut VSMain(VSIn i)
 {
     VSOut o = (VSOut)0;
     o.pos = mul(gMVP, float4(i.pos, 1.0));
+    float4 worldPos = mul(gModelMatrix, float4(i.pos, 1.0));
     o.tc0 = float4(i.uv0, 0.0, 1.0);
     o.tc1 = float4(i.uv1, 0.0, 1.0);
     o.tc2 = float4(0.0, 0.0, 0.0, 1.0);
@@ -1181,7 +1226,9 @@ VSOut VSMain(VSIn i)
     o.tc6 = float4(0.0, 0.0, 0.0, 1.0);
     o.tc7 = float4(0.0, 0.0, 0.0, 1.0);
     o.col = i.col;
-    o.fog = float4(0.0, 0.0, 0.0, 0.0);
+    o.fog = float4((gCameraPomValid > 0.5)
+        ? length(worldPos.xyz - gCameraWorldPos)
+        : abs(o.pos.z / max(abs(o.pos.w), 0.00001)), 0.0, 0.0, 1.0);
 
     float4 vertex_position = float4(i.pos, 1.0);
     float4 vertex_color = i.col;
@@ -1251,7 +1298,7 @@ float4 PSMain(PSIn i) : SV_Target0
 			for (const std::string& d : m_tempDecls) ss << d;
 			for (const std::string& d : m_paramDecls) ss << d;
 			for (const std::string& i : m_instructions) ss << i;
-			ss << "    return result_color;\n}\n";
+			ss << "    return QD3D12ARB_ApplyFog(result_color, i.fog.x);\n}\n";
 			return ss.str();
 		}
 	};
@@ -1749,4 +1796,4 @@ GLboolean APIENTRY glIsProgramARB(GLuint program)
 
 	return (g_vertexPrograms.find(program) != g_vertexPrograms.end() ||
 		g_fragmentPrograms.find(program) != g_fragmentPrograms.end()) ? GL_TRUE : GL_FALSE;
-}
+}