expvintl
143 lines
3.9 KiB
HLSL
143 lines
3.9 KiB
HLSL
//Grass Batches
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#define GRASS_BATCH_NUM_CONSTS_PER_INSTANCE (3)
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#define GRASS_BATCH_SHARED_DATA_COUNT (8)
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#define GRASS_BATCH_CS_CULLING ((1 && (__D3D11 && RSG_PC)) || (1 && RSG_DURANGO) || (1 && RSG_ORBIS)) //(1 && (__SHADERMODEL >= 40))
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#define GRASS_BATCH_CS_THREADS_PER_WAVEFRONT 64
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#if GRASS_BATCH_CS_CULLING
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# define GRASS_BATCH_CS_CULLING_SWITCH(_if_CS_,_else_) _if_CS_
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#else
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# define GRASS_BATCH_CS_CULLING_SWITCH(_if_CS_,_else_) _else_
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#endif
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#if defined(__SHADERMODEL)
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# define CASCADE_SHADOWS_SCAN_NUM_PLANES 16 //See ScanCascadeShadows.h (Only define for shaders.)
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//Grass batch instanced vert stream is interpreted by the input assembler/fetch shader. I don't think that'll work for the CS.
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struct BatchRawInstanceData //grassBatchRawInstanceData
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{
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uint PosXY_u16;
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uint PosZ_u16_NormXY_u8;
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uint ColorRGB_Scale_u8;
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uint Ao_Pad3_u8;
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};
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struct BatchCSInstanceData
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{
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//BatchRawInstanceData raw;
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uint InstId_u16_CrossFade_Scale_u8;
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};
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//This is now in the raw structured buffer!
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struct BatchInstanceData
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{
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float2 pos : BLENDWEIGHT;
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float posZ : TEXCOORD1;
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float2 normal : TEXCOORD2;
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float4 color_scale : TEXCOORD3;
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float4 ao_pad3 : TEXCOORD7;
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};
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struct BatchGlobalData
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{
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float4 worldMatA : TEXCOORD4;
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float4 worldMatB : TEXCOORD5;
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float4 worldMatC : TEXCOORD6;
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};
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struct BatchComputeData
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{
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uint InstId;
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float CrossFade;
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float Scale;
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};
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BatchInstanceData ExpandRawInstanceDataBigEndian(BatchRawInstanceData raw)
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{
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BatchInstanceData OUT;
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uint3 pos;
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pos.x = (raw.PosXY_u16 >> 16) & 0xFFFF;
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pos.y = (raw.PosXY_u16) & 0xFFFF;
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pos.z = (raw.PosZ_u16_NormXY_u8 >> 16) & 0xFFFF;
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uint2 normal;
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normal.x = (raw.PosZ_u16_NormXY_u8 >> 8) & 0xFF;
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normal.y = (raw.PosZ_u16_NormXY_u8) & 0xFF;
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uint3 color;
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color.r = (raw.ColorRGB_Scale_u8 >> 24) & 0xFF;
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color.g = (raw.ColorRGB_Scale_u8 >> 16) & 0xFF;
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color.b = (raw.ColorRGB_Scale_u8 >> 8) & 0xFF;
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uint scale = (raw.ColorRGB_Scale_u8) & 0xFF;
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uint aoScale = (raw.Ao_Pad3_u8 >> 24) & 0xFF;
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OUT.pos = ((float2)pos.xy) / 65535.0f;
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OUT.posZ = ((float)pos.z) / 65535.0f;
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OUT.normal = ((float2)normal) / 255.0f;
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OUT.color_scale.rgb = ((float3)color) / 255.0f;
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OUT.color_scale.w = ((float)scale) / 255.0f;
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OUT.ao_pad3 = ((float)aoScale) / 255.0f;
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return OUT;
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}
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BatchInstanceData ExpandRawInstanceData(BatchRawInstanceData raw)
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{
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//Since we are bit-shifting binary data, need to remember endian order...
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BatchInstanceData OUT;
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uint3 pos;
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pos.x = (raw.PosXY_u16) & 0xFFFF;
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pos.y = (raw.PosXY_u16 >> 16) & 0xFFFF;
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pos.z = (raw.PosZ_u16_NormXY_u8) & 0xFFFF;
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uint2 normal;
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normal.x = (raw.PosZ_u16_NormXY_u8 >> 16) & 0xFF;
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normal.y = (raw.PosZ_u16_NormXY_u8 >> 24) & 0xFF;
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uint3 color;
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color.r = (raw.ColorRGB_Scale_u8) & 0xFF;
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color.g = (raw.ColorRGB_Scale_u8 >> 8) & 0xFF;
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color.b = (raw.ColorRGB_Scale_u8 >> 16) & 0xFF;
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uint scale = (raw.ColorRGB_Scale_u8 >> 24) & 0xFF;
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uint aoScale = (raw.Ao_Pad3_u8) & 0xFF;
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OUT.pos = ((float2)pos.xy) / 65535.0f;
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OUT.posZ = ((float)pos.z) / 65535.0f;
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OUT.normal = ((float2)normal) / 255.0f;
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OUT.color_scale.rgb = ((float3)color) / 255.0f;
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OUT.color_scale.w = ((float)scale) / 255.0f;
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OUT.ao_pad3 = ((float)aoScale) / 255.0f;
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return OUT;
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}
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BatchComputeData ExpandComputeData(BatchCSInstanceData csData)
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{
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BatchComputeData OUT;
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OUT.InstId = csData.InstId_u16_CrossFade_Scale_u8 & 0xFFFF;
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uint crossFade = (csData.InstId_u16_CrossFade_Scale_u8 >> 16) & 0xFF;
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uint scale = (csData.InstId_u16_CrossFade_Scale_u8 >> 24) & 0xFF;
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OUT.CrossFade = ((float) crossFade) / 255.0f;
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OUT.Scale = ((float) scale) / 255.0f;
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return OUT;
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}
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#else
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# define GrassBatchCSInstanceData_Size (sizeof(u32) * 1)
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# define GrassBatchCSInstanceData_Align (4) //4 is min size for PS4?
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# if GRASS_BATCH_CS_CULLING
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# define GRASS_BATCH_CS_CULLING_ONLY(...) __VA_ARGS__
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# else
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# define GRASS_BATCH_CS_CULLING_ONLY(...)
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# endif
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#endif
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