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Signed-off-by: Michael Pollind <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| #include "scene_resource.h.fsl" | ||
| #include "packing.h.fsl" | ||
| #include "parallax_bindless.h.fsl" | ||
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| STRUCT(PsIn) | ||
| { | ||
| DATA(float4, Position, SV_Position); | ||
| DATA(float3, pos, POSITION); | ||
| DATA(float2, uv, TEXCOORD0); | ||
| #if !defined(INDIRECT_ROOT_CONSTANT) | ||
| DATA(FLAT(uint), drawID, TEXCOORD1); | ||
| #endif | ||
| DATA(float3, normal, NORMAL); | ||
| DATA(float3, tangent, TANGENT); | ||
| DATA(float3, bitangent, BITANGENT); | ||
| DATA(float4, Color, COLOR); | ||
| }; | ||
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| STRUCT(PsOut) | ||
| { | ||
| DATA(float4, diffuse, SV_Target0); | ||
| }; | ||
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| PsOut PS_MAIN(PsIn In, SV_PrimitiveID(uint) primitiveID) | ||
| { | ||
| INIT_MAIN; | ||
| PsOut Out; | ||
| #if !defined(INDIRECT_ROOT_CONSTANT) | ||
| UniformObject obj = Get(sceneObjects)[In.drawID]; | ||
| #else | ||
| UniformObject obj = Get(sceneObjects)[Get(indirectDrawId)]; | ||
| #endif | ||
| ViewportInfo viewInfo = Get(viewports)[PRIMARY_VIEWPORT_INDEX]; | ||
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| WaterMaterial material = Get(sceneWaterMat)[obj.materialIndex]; | ||
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| float waveAft = Get(worldInfo).afT * material.waveSpeed; | ||
| float waveAmplitude = material.waveAmplitude * WAVE_AMPLITUDE_SCALE; | ||
| float waveFrequency = material.waveFreq * WAVE_FREQUENCY_SCALE; | ||
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| //Get the two uv coords | ||
| float fT1 = waveAft * 0.8; | ||
| float2 vUv1 = In.uv + waveAft * 0.01f; | ||
| vUv1.x += sin(fT1 + vUv1.y * waveFrequency) * waveAmplitude; | ||
| vUv1.y += sin(fT1 + vUv1.x * waveFrequency) * waveAmplitude; | ||
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| float fT2 = waveAft * -2.6; | ||
| float2 vUv2 = In.uv + waveAft * -0.012f; | ||
| vUv2.x += sin(fT2 + vUv2.y * waveFrequency * 1.2) * waveAmplitude * 0.75; | ||
| vUv2.y += sin(fT2 + vUv2.x * waveFrequency * 1.2) * waveAmplitude * 0.75; | ||
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| //Get the normals and combine into final normal | ||
| // (No need for full unpack since there is a normalize later) | ||
| float3 vNormal1;// = SampleTex2D(Get(normalMap), Get(materialSampler), vUv1).xyz - 0.5; | ||
| float3 vNormal2;// = SampleTex2D(Get(normalMap), Get(materialSampler), vUv2).xyz - 0.5; | ||
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| const uint normalTextureIndex = material.normalTextureIndex; | ||
| BeginNonUniformResourceIndex(normalTextureIndex); | ||
| vNormal1 = SampleTex2D(Get(sceneTextures)[normalTextureIndex], Get(sceneSampler), vUv1).xyz - 0.5; | ||
| vNormal2 = SampleTex2D(Get(sceneTextures)[normalTextureIndex], Get(sceneSampler), vUv2).xyz - 0.5; | ||
| EndNonUniformResourceIndex(); | ||
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| float3 vFinalNormal = normalize(vNormal1*0.7 + vNormal2*0.3); | ||
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| //Get the diffuse color | ||
| const uint diffuseTextureIndex = material.normalTextureIndex; | ||
| float4 surfaceColor; //= SampleTex2D(Get(diffuseMap), Get(materialSampler), vUv1); | ||
| BeginNonUniformResourceIndex(diffuseTextureIndex); | ||
| surfaceColor = SampleTex2D(Get(sceneTextures)[diffuseTextureIndex], Get(sceneSampler), vUv1); | ||
| EndNonUniformResourceIndex(); | ||
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| float4 vRefractionColor = float4(1,1,1,1); | ||
| float2 vDistortedScreenPos = float2(0.0,0.0); | ||
| if((material.config & MATERIAL_USE_REFRACTION) > 0) { | ||
| float fInvDist = min(1.0 / In.pos.z, 10.0); | ||
| vDistortedScreenPos = In.Position.xy + (viewInfo.rect.z * vFinalNormal.xy * material.refractionScale * fInvDist); | ||
| vRefractionColor = SampleTex2D(Get(refractionTexture), Get(linearBorderSampler), vDistortedScreenPos * (1.0 / viewInfo.rect.zw)); | ||
| // if(vRefractionColor.a < 0.5) { | ||
| // vRefractionColor = SampleTex2D(Get(refractionMap), Get(nearestSampler), In.Position.xy * Get(viewTexel)); | ||
| // } | ||
| } | ||
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| float4 vReflectionColor = float4(1.0,1.0,1.0,1.0); | ||
| float fFresnel = 1.0; | ||
| if((material.config & MATERIAL_USE_REFLECTION ) > 0) { | ||
| ////////////////// | ||
| //Fresnel | ||
| float3 vScreenNormal = normalize(vFinalNormal.x * In.tangent + vFinalNormal.y * In.bitangent + vFinalNormal.z * In.normal); | ||
| float3 vEyeVec = normalize(In.pos); | ||
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| float afEDotN = max(dot(-vEyeVec, vScreenNormal),0.0); | ||
| fFresnel = Fresnel(afEDotN, material.frenselBias, material.frenselPow); | ||
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| if(material.reflectionFadeEnd > 0) { | ||
| const float refractionFadeLength = material.reflectionFadeEnd - material.reflectionFadeStart; | ||
| fFresnel *= 1.0 - clamp( (In.pos.z - material.reflectionFadeStart) / refractionFadeLength, 0.0, 1.0); | ||
| } | ||
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| ////////////////// | ||
| //Cubemap | ||
| if(isTextureIndexValid(material.cubeMapTextureIndex)) { | ||
| float3 vEnvUv = reflect(vEyeVec, vScreenNormal); | ||
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| vEnvUv = mul(transpose(float3x3( | ||
| viewInfo.viewMat[0].xyz, | ||
| viewInfo.viewMat[1].xyz, | ||
| viewInfo.viewMat[2].xyz)), vEnvUv); | ||
| // vEnvUv = mul(Get(invViewRotationMat), float4(vEnvUv.x, vEnvUv.y, vEnvUv.z, 1)).xyz; | ||
| //vReflectionColor = SampleTexCube(Get(cubeMap), Get(materialSampler), vEnvUv); | ||
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| const uint cubeMapTextureIndex = material.cubeMapTextureIndex; | ||
| BeginNonUniformResourceIndex(cubeMapTextureIndex); | ||
| vReflectionColor = SampleTexCube(Get(sceneCubeTextures)[cubeMapTextureIndex], Get(sceneSampler), vEnvUv); | ||
| EndNonUniformResourceIndex(); | ||
| } else { | ||
| //vReflectionColor = SampleTex2D(Get(reflectionMap)[ReflectionBuffer(Get(options))], Get(nearestSampler), vDistortedScreenPos * Get(viewTexel)); | ||
| } | ||
| } | ||
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| float3 vLightDir = normalize(float3(0.5, 0.5, 0.5)); | ||
| float fLDotN = max(dot(vLightDir, vFinalNormal),0.0); | ||
| float fDiffuse = fLDotN * 0.5 + 0.5; | ||
| float fSpecular = pow(fLDotN,16.0); | ||
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| float fFogAmount = 0.0; | ||
| // if (UseFog(Get(options))) { | ||
| // fFogAmount = (-In.pos.z - Get(worldFogStart)) /Get(worldFogLength); | ||
| // fFogAmount = clamp(fFogAmount, 0.0, 1.0); | ||
| // fFogAmount = pow(fFogAmount, Get(fogFalloffExp)) * Get(worldFogColor).a; | ||
| // } | ||
| if ((Get(worldInfo).worldFlags & WORLD_FLAG_IS_FOG_ENABLED) > 0) { | ||
| fFogAmount = pow(clamp((-In.pos.z - Get(worldInfo).worldFogStart) / Get(worldInfo).worldFogLength, 0.0, 1.0), Get(worldInfo).fogFalloffExp) * Get(worldInfo).worldFogColor.a; | ||
| } | ||
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| if ((material.config & MATERIAL_USE_REFLECTION ) > 0) { | ||
| Out.diffuse.rgb = (surfaceColor.xyz * vRefractionColor.xyz + vReflectionColor.xyz * fFresnel) * (1.0-fFogAmount) + Get(worldInfo).worldFogColor.xyz*fFogAmount; | ||
| } else { | ||
| Out.diffuse.rgb = (surfaceColor.xyz * vRefractionColor.xyz * fDiffuse + float3(fSpecular, fSpecular, fSpecular)) * (1.0-fFogAmount) + Get(worldInfo).worldFogColor.xyz*fFogAmount; | ||
| } | ||
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| Out.diffuse.w = 1.0; | ||
| RETURN(Out); | ||
| } | ||
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