void SetSpriteCommonDynamicState( unsigned int shaderFlags ) { IShaderDynamicAPI *pShaderAPI = s_pShaderAPI; bool bSRGB = s_ppParams[NOSRGB]->GetIntValue() == 0; BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME ); MaterialFogMode_t fogType = s_pShaderAPI->GetSceneFogMode(); int fogIndex = ( fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z ) ? 1 : 0; DECLARE_DYNAMIC_VERTEX_SHADER( jl_sprite_vs20 ); SET_DYNAMIC_VERTEX_SHADER_COMBO( DOWATERFOG, fogIndex ); SET_DYNAMIC_VERTEX_SHADER( jl_sprite_vs20 ); if( g_pHardwareConfig->SupportsPixelShaders_2_b() || g_pHardwareConfig->ShouldAlwaysUseShaderModel2bShaders() ) // Always send GL down this path { DECLARE_DYNAMIC_PIXEL_SHADER( jl_sprite_ps20b ); SET_DYNAMIC_PIXEL_SHADER_COMBO( HDRENABLED, IsHDREnabled() ); SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() ); SET_DYNAMIC_PIXEL_SHADER( jl_sprite_ps20b ); } else { DECLARE_DYNAMIC_PIXEL_SHADER( jl_sprite_ps20 ); SET_DYNAMIC_PIXEL_SHADER_COMBO( HDRENABLED, IsHDREnabled() ); SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() ); SET_DYNAMIC_PIXEL_SHADER( jl_sprite_ps20 ); } pShaderAPI->SetPixelShaderFogParams( PSREG_FOG_PARAMS ); float vEyePos_SpecExponent[4]; pShaderAPI->GetWorldSpaceCameraPosition( vEyePos_SpecExponent ); vEyePos_SpecExponent[3] = 0.0f; pShaderAPI->SetPixelShaderConstant( PSREG_EYEPOS_SPEC_EXPONENT, vEyePos_SpecExponent, 1 ); if( shaderFlags & SHADER_USE_CONSTANT_COLOR ) { if ( bSRGB ) SetPixelShaderConstantGammaToLinear( 0, COLOR, ALPHA ); else SetPixelShaderConstant( 0, COLOR, ALPHA ); } if( IsHDREnabled() ) { if ( bSRGB ) SetPixelShaderConstantGammaToLinear( 1, HDRCOLORSCALE ); else SetPixelShaderConstant( 1, HDRCOLORSCALE ); } }
void DrawPass( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow, bool hasFlashlight, VertexCompressionType_t vertexCompression ) { bool bSinglePassFlashlight = false; bool hasBump = params[BUMPMAP]->IsTexture(); bool hasDiffuseBumpmap = hasBump && (params[NODIFFUSEBUMPLIGHTING]->GetIntValue() == 0); bool hasBaseTexture = params[BASETEXTURE]->IsTexture(); bool hasDetailTexture = /*!hasBump && */params[DETAIL]->IsTexture(); bool hasVertexColor = IS_FLAG_SET( MATERIAL_VAR_VERTEXCOLOR ) != 0; bool bHasDetailAlpha = params[DETAIL_ALPHA_MASK_BASE_TEXTURE]->GetIntValue() != 0; bool bIsAlphaTested = IS_FLAG_SET( MATERIAL_VAR_ALPHATEST ) != 0; BlendType_t nBlendType = EvaluateBlendRequirements( BASETEXTURE, true ); bool bFullyOpaque = (nBlendType != BT_BLENDADD) && (nBlendType != BT_BLEND) && !IS_FLAG_SET(MATERIAL_VAR_ALPHATEST); //dest alpha is free for special use bool bSeamlessMapping = params[SEAMLESS_SCALE]->GetFloatValue() != 0.0; bool bShaderSrgbRead = ( IsX360() && IS_PARAM_DEFINED( SHADERSRGBREAD360 ) && params[SHADERSRGBREAD360]->GetIntValue() ); SHADOW_STATE { int nShadowFilterMode = 0; // Alpha test: FIXME: shouldn't this be handled in Shader_t::SetInitialShadowState pShaderShadow->EnableAlphaTest( bIsAlphaTested ); if( hasFlashlight ) { if ( g_pHardwareConfig->SupportsPixelShaders_2_b() ) { nShadowFilterMode = g_pHardwareConfig->GetShadowFilterMode(); // Based upon vendor and device dependent formats } SetAdditiveBlendingShadowState( BASETEXTURE, true ); pShaderShadow->EnableDepthWrites( false ); // Be sure not to write to dest alpha pShaderShadow->EnableAlphaWrites( false ); } else { SetDefaultBlendingShadowState( BASETEXTURE, true ); } unsigned int flags = VERTEX_POSITION; if( hasBaseTexture ) { pShaderShadow->EnableTexture( SHADER_SAMPLER0, true ); pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, !bShaderSrgbRead ); } // if( hasLightmap ) { pShaderShadow->EnableTexture( SHADER_SAMPLER1, true ); pShaderShadow->EnableSRGBRead( SHADER_SAMPLER1, true ); } if( hasFlashlight ) { pShaderShadow->EnableTexture( SHADER_SAMPLER2, true ); pShaderShadow->EnableTexture( SHADER_SAMPLER7, true ); pShaderShadow->SetShadowDepthFiltering( SHADER_SAMPLER7 ); flags |= VERTEX_TANGENT_S | VERTEX_TANGENT_T | VERTEX_NORMAL; } if( hasDetailTexture ) { pShaderShadow->EnableTexture( SHADER_SAMPLER3, true ); } if( hasBump ) { pShaderShadow->EnableTexture( SHADER_SAMPLER4, true ); } if( hasVertexColor ) { flags |= VERTEX_COLOR; } // Normalizing cube map pShaderShadow->EnableTexture( SHADER_SAMPLER6, true ); // texcoord0 : base texcoord // texcoord1 : lightmap texcoord // texcoord2 : lightmap texcoord offset int numTexCoords = 2; if( hasBump ) { numTexCoords = 3; } pShaderShadow->VertexShaderVertexFormat( flags, numTexCoords, 0, 0 ); // Pre-cache pixel shaders bool hasSelfIllum = IS_FLAG_SET( MATERIAL_VAR_SELFILLUM ); pShaderShadow->EnableSRGBWrite( true ); int nLightingPreviewMode = IS_FLAG2_SET( MATERIAL_VAR2_USE_GBUFFER0 ) + 2 * IS_FLAG2_SET( MATERIAL_VAR2_USE_GBUFFER1 ); #ifndef _X360 if ( g_pHardwareConfig->HasFastVertexTextures() ) { DECLARE_STATIC_VERTEX_SHADER( lightmappedgeneric_vs30 ); SET_STATIC_VERTEX_SHADER_COMBO( ENVMAP_MASK, false ); SET_STATIC_VERTEX_SHADER_COMBO( BUMPMASK, false ); SET_STATIC_VERTEX_SHADER_COMBO( TANGENTSPACE, hasFlashlight ); SET_STATIC_VERTEX_SHADER_COMBO( BUMPMAP, hasBump ); SET_STATIC_VERTEX_SHADER_COMBO( DIFFUSEBUMPMAP, hasDiffuseBumpmap ); SET_STATIC_VERTEX_SHADER_COMBO( VERTEXCOLOR, hasVertexColor ); SET_STATIC_VERTEX_SHADER_COMBO( VERTEXALPHATEXBLENDFACTOR, false ); SET_STATIC_VERTEX_SHADER_COMBO( PARALLAX_MAPPING, 0 ); //( bumpmap_variant == 2 )?1:0); SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS, bSeamlessMapping ); //( bumpmap_variant == 2 )?1:0); SET_STATIC_VERTEX_SHADER_COMBO( DETAILTEXTURE, hasDetailTexture ); SET_STATIC_VERTEX_SHADER_COMBO( SELFILLUM, hasSelfIllum ); SET_STATIC_VERTEX_SHADER_COMBO( FANCY_BLENDING, false ); SET_STATIC_VERTEX_SHADER_COMBO( LIGHTING_PREVIEW, nLightingPreviewMode != 0 ); SET_STATIC_VERTEX_SHADER( lightmappedgeneric_vs30 ); } else #endif { DECLARE_STATIC_VERTEX_SHADER( lightmappedgeneric_vs20 ); SET_STATIC_VERTEX_SHADER_COMBO( ENVMAP_MASK, false ); SET_STATIC_VERTEX_SHADER_COMBO( BUMPMASK, false ); SET_STATIC_VERTEX_SHADER_COMBO( TANGENTSPACE, hasFlashlight ); SET_STATIC_VERTEX_SHADER_COMBO( BUMPMAP, hasBump ); SET_STATIC_VERTEX_SHADER_COMBO( DIFFUSEBUMPMAP, hasDiffuseBumpmap ); SET_STATIC_VERTEX_SHADER_COMBO( VERTEXCOLOR, hasVertexColor ); SET_STATIC_VERTEX_SHADER_COMBO( VERTEXALPHATEXBLENDFACTOR, false ); SET_STATIC_VERTEX_SHADER_COMBO( PARALLAX_MAPPING, 0 ); //( bumpmap_variant == 2 )?1:0); SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS, bSeamlessMapping ); //( bumpmap_variant == 2 )?1:0); SET_STATIC_VERTEX_SHADER_COMBO( DETAILTEXTURE, hasDetailTexture ); SET_STATIC_VERTEX_SHADER_COMBO( SELFILLUM, hasSelfIllum ); SET_STATIC_VERTEX_SHADER_COMBO( FANCY_BLENDING, false ); SET_STATIC_VERTEX_SHADER_COMBO( LIGHTING_PREVIEW, nLightingPreviewMode != 0 ); #ifdef _X360 SET_STATIC_VERTEX_SHADER_COMBO( FLASHLIGHT, hasFlashlight ); #endif SET_STATIC_VERTEX_SHADER( lightmappedgeneric_vs20 ); } #ifndef _X360 if ( g_pHardwareConfig->HasFastVertexTextures() ) { DECLARE_STATIC_PIXEL_SHADER( worldtwotextureblend_ps30 ); SET_STATIC_PIXEL_SHADER_COMBO( DETAILTEXTURE, hasDetailTexture ); SET_STATIC_PIXEL_SHADER_COMBO( BUMPMAP, hasBump ); SET_STATIC_PIXEL_SHADER_COMBO( DIFFUSEBUMPMAP, hasDiffuseBumpmap ); SET_STATIC_PIXEL_SHADER_COMBO( VERTEXCOLOR, hasVertexColor ); SET_STATIC_PIXEL_SHADER_COMBO( SELFILLUM, hasSelfIllum ); SET_STATIC_PIXEL_SHADER_COMBO( DETAIL_ALPHA_MASK_BASE_TEXTURE, bHasDetailAlpha ); SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHT, hasFlashlight ); SET_STATIC_PIXEL_SHADER_COMBO( SEAMLESS, bSeamlessMapping ); SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHTDEPTHFILTERMODE, nShadowFilterMode ); SET_STATIC_PIXEL_SHADER_COMBO( SHADER_SRGB_READ, bShaderSrgbRead ); SET_STATIC_PIXEL_SHADER( worldtwotextureblend_ps30 ); } else #endif if ( g_pHardwareConfig->SupportsPixelShaders_2_b() ) { DECLARE_STATIC_PIXEL_SHADER( worldtwotextureblend_ps20b ); SET_STATIC_PIXEL_SHADER_COMBO( DETAILTEXTURE, hasDetailTexture ); SET_STATIC_PIXEL_SHADER_COMBO( BUMPMAP, hasBump ); SET_STATIC_PIXEL_SHADER_COMBO( DIFFUSEBUMPMAP, hasDiffuseBumpmap ); SET_STATIC_PIXEL_SHADER_COMBO( VERTEXCOLOR, hasVertexColor ); SET_STATIC_PIXEL_SHADER_COMBO( SELFILLUM, hasSelfIllum ); SET_STATIC_PIXEL_SHADER_COMBO( DETAIL_ALPHA_MASK_BASE_TEXTURE, bHasDetailAlpha ); SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHT, hasFlashlight ); SET_STATIC_PIXEL_SHADER_COMBO( SEAMLESS, bSeamlessMapping ); SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHTDEPTHFILTERMODE, nShadowFilterMode ); SET_STATIC_PIXEL_SHADER_COMBO( SHADER_SRGB_READ, bShaderSrgbRead ); SET_STATIC_PIXEL_SHADER( worldtwotextureblend_ps20b ); } else { DECLARE_STATIC_PIXEL_SHADER( worldtwotextureblend_ps20 ); SET_STATIC_PIXEL_SHADER_COMBO( DETAILTEXTURE, hasDetailTexture ); SET_STATIC_PIXEL_SHADER_COMBO( BUMPMAP, hasBump ); SET_STATIC_PIXEL_SHADER_COMBO( DIFFUSEBUMPMAP, hasDiffuseBumpmap ); SET_STATIC_PIXEL_SHADER_COMBO( VERTEXCOLOR, hasVertexColor ); SET_STATIC_PIXEL_SHADER_COMBO( SELFILLUM, hasSelfIllum ); SET_STATIC_PIXEL_SHADER_COMBO( DETAIL_ALPHA_MASK_BASE_TEXTURE, bHasDetailAlpha ); SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHT, hasFlashlight ); SET_STATIC_PIXEL_SHADER_COMBO( SEAMLESS, bSeamlessMapping ); SET_STATIC_PIXEL_SHADER_COMBO( SHADER_SRGB_READ, bShaderSrgbRead ); SET_STATIC_PIXEL_SHADER( worldtwotextureblend_ps20 ); } // HACK HACK HACK - enable alpha writes all the time so that we have them for // underwater stuff. // But only do it if we're not using the alpha already for translucency pShaderShadow->EnableAlphaWrites( bFullyOpaque ); if( hasFlashlight ) { FogToBlack(); } else { DefaultFog(); } PI_BeginCommandBuffer(); PI_SetModulationVertexShaderDynamicState( ); PI_EndCommandBuffer(); } DYNAMIC_STATE { if( hasBaseTexture ) { BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME ); } else { pShaderAPI->BindStandardTexture( SHADER_SAMPLER0, TEXTURE_WHITE ); } // if( hasLightmap ) { pShaderAPI->BindStandardTexture( SHADER_SAMPLER1, TEXTURE_LIGHTMAP ); } bool bFlashlightShadows = false; bool bUberlight = false; if( hasFlashlight ) { VMatrix worldToTexture; ITexture *pFlashlightDepthTexture; FlashlightState_t state = pShaderAPI->GetFlashlightStateEx( worldToTexture, &pFlashlightDepthTexture ); bFlashlightShadows = state.m_bEnableShadows; bUberlight = state.m_bUberlight; SetFlashLightColorFromState( state, pShaderAPI, bSinglePassFlashlight ); BindTexture( SHADER_SAMPLER2, state.m_pSpotlightTexture, state.m_nSpotlightTextureFrame ); if( pFlashlightDepthTexture && g_pConfig->ShadowDepthTexture() ) { BindTexture( SHADER_SAMPLER7, pFlashlightDepthTexture ); } } if( hasDetailTexture ) { BindTexture( SHADER_SAMPLER3, DETAIL, DETAILFRAME ); } if( hasBump ) { if( !g_pConfig->m_bFastNoBump ) { BindTexture( SHADER_SAMPLER4, BUMPMAP, BUMPFRAME ); } else { pShaderAPI->BindStandardTexture( SHADER_SAMPLER4, TEXTURE_NORMALMAP_FLAT ); } } pShaderAPI->BindStandardTexture( SHADER_SAMPLER6, TEXTURE_NORMALIZATION_CUBEMAP_SIGNED ); // If we don't have a texture transform, we don't have // to set vertex shader constants or run vertex shader instructions // for the texture transform. bool bHasTextureTransform = !( params[BASETEXTURETRANSFORM]->MatrixIsIdentity() && params[BUMPTRANSFORM]->MatrixIsIdentity() ); bool bVertexShaderFastPath = !bHasTextureTransform; if( params[DETAIL]->IsTexture() ) { bVertexShaderFastPath = false; } if( pShaderAPI->GetIntRenderingParameter(INT_RENDERPARM_ENABLE_FIXED_LIGHTING) != 0 ) { bVertexShaderFastPath = false; } if( !bVertexShaderFastPath ) { if ( !bSeamlessMapping ) { SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, BASETEXTURETRANSFORM ); } if( hasBump && !bHasDetailAlpha ) { SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_2, BUMPTRANSFORM ); Assert( !hasDetailTexture ); } } MaterialFogMode_t fogType = pShaderAPI->GetSceneFogMode(); if ( IsPC() ) { bool bWorldNormal = pShaderAPI->GetIntRenderingParameter( INT_RENDERPARM_ENABLE_FIXED_LIGHTING ) == ENABLE_FIXED_LIGHTING_OUTPUTNORMAL_AND_DEPTH; if ( bWorldNormal ) { float vEyeDir[4]; pShaderAPI->GetWorldSpaceCameraDirection( vEyeDir ); float flFarZ = pShaderAPI->GetFarZ(); vEyeDir[0] /= flFarZ; // Divide by farZ for SSAO algorithm vEyeDir[1] /= flFarZ; vEyeDir[2] /= flFarZ; pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_12, vEyeDir ); } } #ifndef _X360 if (g_pHardwareConfig->HasFastVertexTextures() ) { DECLARE_DYNAMIC_VERTEX_SHADER( lightmappedgeneric_vs30 ); SET_DYNAMIC_VERTEX_SHADER_COMBO( FASTPATH, bVertexShaderFastPath ); SET_DYNAMIC_VERTEX_SHADER( lightmappedgeneric_vs30 ); } else #endif { DECLARE_DYNAMIC_VERTEX_SHADER( lightmappedgeneric_vs20 ); SET_DYNAMIC_VERTEX_SHADER_COMBO( FASTPATH, bVertexShaderFastPath ); SET_DYNAMIC_VERTEX_SHADER( lightmappedgeneric_vs20 ); } bool bWriteDepthToAlpha; bool bWriteWaterFogToAlpha; if( bFullyOpaque ) { bWriteDepthToAlpha = pShaderAPI->ShouldWriteDepthToDestAlpha(); bWriteWaterFogToAlpha = (fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z); AssertMsg( !(bWriteDepthToAlpha && bWriteWaterFogToAlpha), "Can't write two values to alpha at the same time." ); } else { //can't write a special value to dest alpha if we're actually using as-intended alpha bWriteDepthToAlpha = false; bWriteWaterFogToAlpha = false; } #ifndef _X360 if ( g_pHardwareConfig->HasFastVertexTextures() ) { DECLARE_DYNAMIC_PIXEL_SHADER( worldtwotextureblend_ps30 ); // Don't write fog to alpha if we're using translucency SET_DYNAMIC_PIXEL_SHADER_COMBO( WRITEWATERFOGTODESTALPHA, bWriteWaterFogToAlpha ); SET_DYNAMIC_PIXEL_SHADER_COMBO( WRITE_DEPTH_TO_DESTALPHA, bWriteDepthToAlpha ); SET_DYNAMIC_PIXEL_SHADER_COMBO( FLASHLIGHTSHADOWS, bFlashlightShadows ); SET_DYNAMIC_PIXEL_SHADER_COMBO( UBERLIGHT, bUberlight ); SET_DYNAMIC_PIXEL_SHADER( worldtwotextureblend_ps30 ); } else #endif if ( g_pHardwareConfig->SupportsPixelShaders_2_b() ) { DECLARE_DYNAMIC_PIXEL_SHADER( worldtwotextureblend_ps20b ); // Don't write fog to alpha if we're using translucency SET_DYNAMIC_PIXEL_SHADER_COMBO( WRITEWATERFOGTODESTALPHA, bWriteWaterFogToAlpha ); SET_DYNAMIC_PIXEL_SHADER_COMBO( WRITE_DEPTH_TO_DESTALPHA, bWriteDepthToAlpha ); SET_DYNAMIC_PIXEL_SHADER_COMBO( FLASHLIGHTSHADOWS, bFlashlightShadows ); SET_DYNAMIC_PIXEL_SHADER( worldtwotextureblend_ps20b ); } else { DECLARE_DYNAMIC_PIXEL_SHADER( worldtwotextureblend_ps20 ); // Don't write fog to alpha if we're using translucency SET_DYNAMIC_PIXEL_SHADER_COMBO( WRITEWATERFOGTODESTALPHA, (fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z) && (nBlendType != BT_BLENDADD) && (nBlendType != BT_BLEND) && !bIsAlphaTested ); SET_DYNAMIC_PIXEL_SHADER( worldtwotextureblend_ps20 ); } // always set the transform for detail textures since I'm assuming that you'll // always have a detailscale. if( hasDetailTexture ) { SetVertexShaderTextureScaledTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_2, BASETEXTURETRANSFORM, DETAILSCALE ); Assert( !( hasBump && !bHasDetailAlpha ) ); } SetPixelShaderConstantGammaToLinear( 7, SELFILLUMTINT ); float eyePos[4]; pShaderAPI->GetWorldSpaceCameraPosition( eyePos ); pShaderAPI->SetPixelShaderConstant( 10, eyePos, 1 ); pShaderAPI->SetPixelShaderFogParams( 11 ); if ( bSeamlessMapping ) { float map_scale[4]={ params[SEAMLESS_SCALE]->GetFloatValue(),0,0,0}; pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, map_scale ); } if( hasFlashlight ) { VMatrix worldToTexture; const FlashlightState_t &flashlightState = pShaderAPI->GetFlashlightState( worldToTexture ); // Set the flashlight attenuation factors float atten[4]; atten[0] = flashlightState.m_fConstantAtten; atten[1] = flashlightState.m_fLinearAtten; atten[2] = flashlightState.m_fQuadraticAtten; atten[3] = flashlightState.m_FarZAtten; pShaderAPI->SetPixelShaderConstant( 20, atten, 1 ); // Set the flashlight origin float pos[4]; pos[0] = flashlightState.m_vecLightOrigin[0]; pos[1] = flashlightState.m_vecLightOrigin[1]; pos[2] = flashlightState.m_vecLightOrigin[2]; pos[3] = flashlightState.m_FarZ; // didn't have this in main. . probably need this? pShaderAPI->SetPixelShaderConstant( 15, pos, 1 ); pShaderAPI->SetPixelShaderConstant( 16, worldToTexture.Base(), 4 ); if ( IsPC() && g_pHardwareConfig->HasFastVertexTextures() ) { SetupUberlightFromState( pShaderAPI, flashlightState ); } } } Draw(); }
inline void DrawPass( IMaterialVar **params, IShaderShadow* pShaderShadow, IShaderDynamicAPI* pShaderAPI, int nPass, VertexCompressionType_t vertexCompression ) { bool bIsModel = IS_FLAG_SET( MATERIAL_VAR_MODEL ); bool bHasEnvmap = params[ENVMAP]->IsTexture(); bool bHasFlowmap = params[FLOWMAP]->IsTexture(); bool bHasCoreColorTexture = params[CORECOLORTEXTURE]->IsTexture(); SHADOW_STATE { SetInitialShadowState( ); if( nPass == 0 ) { // Alpha test: FIXME: shouldn't this be handled in Shader_t::SetInitialShadowState pShaderShadow->EnableAlphaTest( IS_FLAG_SET(MATERIAL_VAR_ALPHATEST) ); } else { pShaderShadow->DepthFunc( SHADER_DEPTHFUNC_EQUAL ); EnableAlphaBlending( SHADER_BLEND_ONE, SHADER_BLEND_ONE ); } // If envmap is not specified, the alpha channel is the translucency // (If envmap *is* specified, alpha channel is the reflection amount) if ( params[NORMALMAP]->IsTexture() && !bHasEnvmap ) { SetDefaultBlendingShadowState( NORMALMAP, false ); } // source render target that contains the image that we are warping. pShaderShadow->EnableTexture( SHADER_SAMPLER2, true ); if( g_pHardwareConfig->GetHDRType() == HDR_TYPE_INTEGER ) { pShaderShadow->EnableSRGBRead( SHADER_SAMPLER2, true ); } // normal map pShaderShadow->EnableTexture( SHADER_SAMPLER3, true ); if( bHasEnvmap ) { // envmap pShaderShadow->EnableTexture( SHADER_SAMPLER4, true ); if( g_pHardwareConfig->GetHDRType() == HDR_TYPE_INTEGER ) { pShaderShadow->EnableSRGBRead( SHADER_SAMPLER4, true ); } } if( bHasFlowmap ) { pShaderShadow->EnableTexture( SHADER_SAMPLER6, true ); } if( bHasCoreColorTexture ) { pShaderShadow->EnableTexture( SHADER_SAMPLER7, true ); } if( g_pHardwareConfig->GetHDRType() != HDR_TYPE_NONE ) { pShaderShadow->EnableSRGBWrite( true ); } unsigned int flags = VERTEX_POSITION | VERTEX_NORMAL; int userDataSize = 0; int nTexCoordCount = 1; if( bIsModel ) { userDataSize = 4; } else { flags |= VERTEX_TANGENT_S | VERTEX_TANGENT_T; } // This shader supports compressed vertices, so OR in that flag: flags |= VERTEX_FORMAT_COMPRESSED; pShaderShadow->VertexShaderVertexFormat( flags, nTexCoordCount, NULL, userDataSize ); DECLARE_STATIC_VERTEX_SHADER( sdk_core_vs20 ); SET_STATIC_VERTEX_SHADER_COMBO( MODEL, bIsModel ); SET_STATIC_VERTEX_SHADER( sdk_core_vs20 ); if ( g_pHardwareConfig->SupportsPixelShaders_2_b() ) { DECLARE_STATIC_PIXEL_SHADER( sdk_core_ps20b ); SET_STATIC_PIXEL_SHADER_COMBO( CUBEMAP, bHasEnvmap && ( nPass == 1 ) ); SET_STATIC_PIXEL_SHADER_COMBO( FLOWMAP, bHasFlowmap ); SET_STATIC_PIXEL_SHADER_COMBO( CORECOLORTEXTURE, bHasCoreColorTexture && ( nPass == 0 ) ); SET_STATIC_PIXEL_SHADER_COMBO( REFRACT, nPass == 0 ); SET_STATIC_PIXEL_SHADER( sdk_core_ps20b ); } else { DECLARE_STATIC_PIXEL_SHADER( sdk_core_ps20 ); SET_STATIC_PIXEL_SHADER_COMBO( CUBEMAP, bHasEnvmap && ( nPass == 1 ) ); SET_STATIC_PIXEL_SHADER_COMBO( FLOWMAP, bHasFlowmap ); SET_STATIC_PIXEL_SHADER_COMBO( CORECOLORTEXTURE, bHasCoreColorTexture && ( nPass == 0 ) ); SET_STATIC_PIXEL_SHADER_COMBO( REFRACT, nPass == 0 ); SET_STATIC_PIXEL_SHADER( sdk_core_ps20 ); } DefaultFog(); } DYNAMIC_STATE { pShaderAPI->SetDefaultState(); if ( params[BASETEXTURE]->IsTexture() ) { BindTexture( SHADER_SAMPLER2, BASETEXTURE, FRAME ); } else { pShaderAPI->BindStandardTexture( SHADER_SAMPLER2, TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0 ); } BindTexture( SHADER_SAMPLER3, NORMALMAP, BUMPFRAME ); if( bHasEnvmap ) { BindTexture( SHADER_SAMPLER4, ENVMAP, ENVMAPFRAME ); } if( bHasFlowmap ) { BindTexture( SHADER_SAMPLER6, FLOWMAP, FLOWMAPFRAME ); } if( bHasCoreColorTexture ) { BindTexture( SHADER_SAMPLER7, CORECOLORTEXTURE, CORECOLORTEXTUREFRAME ); } DECLARE_DYNAMIC_VERTEX_SHADER( sdk_core_vs20 ); SET_DYNAMIC_VERTEX_SHADER_COMBO( SKINNING, pShaderAPI->GetCurrentNumBones() > 0 ); SET_DYNAMIC_VERTEX_SHADER_COMBO( COMPRESSED_VERTS, (int)vertexCompression ); SET_DYNAMIC_VERTEX_SHADER( sdk_core_vs20 ); if ( g_pHardwareConfig->SupportsPixelShaders_2_b() ) { DECLARE_DYNAMIC_PIXEL_SHADER( sdk_core_ps20b ); SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() ); SET_DYNAMIC_PIXEL_SHADER( sdk_core_ps20b ); } else { DECLARE_DYNAMIC_PIXEL_SHADER( sdk_core_ps20 ); SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() ); SET_DYNAMIC_PIXEL_SHADER( sdk_core_ps20 ); } SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_1, BUMPTRANSFORM ); if( g_pHardwareConfig->GetHDRType() == HDR_TYPE_NONE ) { SetPixelShaderConstant( 0, ENVMAPTINT ); SetPixelShaderConstant( 1, REFRACTTINT ); } else { SetPixelShaderConstantGammaToLinear( 0, ENVMAPTINT ); SetPixelShaderConstantGammaToLinear( 1, REFRACTTINT ); } SetPixelShaderConstant( 2, ENVMAPCONTRAST ); SetPixelShaderConstant( 3, ENVMAPSATURATION ); float c5[4] = { params[REFRACTAMOUNT]->GetFloatValue(), params[REFRACTAMOUNT]->GetFloatValue(), 0.0f, 0.0f }; pShaderAPI->SetPixelShaderConstant( 5, c5, 1 ); float eyePos[4]; s_pShaderAPI->GetWorldSpaceCameraPosition( eyePos ); s_pShaderAPI->SetPixelShaderConstant( 8, eyePos, 1 ); pShaderAPI->SetPixelShaderFogParams( 11 ); if( bHasFlowmap ) { float curTime = pShaderAPI->CurrentTime(); float timeVec[4] = { curTime, curTime, curTime, curTime }; pShaderAPI->SetPixelShaderConstant( 6, timeVec, 1 ); SetPixelShaderConstant( 7, FLOWMAPSCROLLRATE ); SetPixelShaderConstant( 9, FLOWMAPTEXCOORDOFFSET ); } } Draw(); }
inline void DrawReflectionRefraction( IMaterialVar **params, IShaderShadow* pShaderShadow, IShaderDynamicAPI* pShaderAPI, bool bReflection, bool bRefraction ) { BlendType_t nBlendType = EvaluateBlendRequirements( BASETEXTURE, true ); bool bFullyOpaque = (nBlendType != BT_BLENDADD) && (nBlendType != BT_BLEND) && !IS_FLAG_SET(MATERIAL_VAR_ALPHATEST); //dest alpha is free for special use SHADOW_STATE { SetInitialShadowState( ); if( bRefraction ) { pShaderShadow->EnableTexture( SHADER_SAMPLER0, true ); pShaderShadow->EnableTexture( SHADER_SAMPLER1, true ); if( g_pHardwareConfig->GetHDRType() == HDR_TYPE_INTEGER ) { pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, true ); } } if( bReflection ) { pShaderShadow->EnableTexture( SHADER_SAMPLER2, true ); pShaderShadow->EnableTexture( SHADER_SAMPLER3, true ); if( g_pHardwareConfig->GetHDRType() == HDR_TYPE_INTEGER ) { pShaderShadow->EnableSRGBRead( SHADER_SAMPLER2, true ); } } if( params[BASETEXTURE]->IsTexture() ) { // BASETEXTURE pShaderShadow->EnableTexture( SHADER_SAMPLER1, true ); // LIGHTMAP pShaderShadow->EnableTexture( SHADER_SAMPLER3, true ); if ( params[ENVMAPMASK]->IsTexture() ) { pShaderShadow->EnableTexture( SHADER_SAMPLER6, true ); } } // normal map pShaderShadow->EnableTexture( SHADER_SAMPLER4, true ); int fmt = VERTEX_POSITION | VERTEX_NORMAL | VERTEX_TANGENT_S | VERTEX_TANGENT_T; // texcoord0 : base texcoord // texcoord1 : lightmap texcoord // texcoord2 : lightmap texcoord offset int numTexCoords = 1; if( params[BASETEXTURE]->IsTexture() ) { numTexCoords = 3; } pShaderShadow->VertexShaderVertexFormat( fmt, numTexCoords, 0, 0 ); if ( IS_FLAG_SET(MATERIAL_VAR_TRANSLUCENT ) ) { EnableAlphaBlending( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA ); } DECLARE_STATIC_VERTEX_SHADER( sdk_lightmappedreflective_vs20 ); SET_STATIC_VERTEX_SHADER_COMBO( BASETEXTURE, params[BASETEXTURE]->IsTexture() ); SET_STATIC_VERTEX_SHADER( sdk_lightmappedreflective_vs20 ); // "REFLECT" "0..1" // "REFRACT" "0..1" if( g_pHardwareConfig->SupportsPixelShaders_2_b() ) { DECLARE_STATIC_PIXEL_SHADER( sdk_lightmappedreflective_ps20b ); SET_STATIC_PIXEL_SHADER_COMBO( REFLECT, bReflection ); SET_STATIC_PIXEL_SHADER_COMBO( REFRACT, bRefraction ); SET_STATIC_PIXEL_SHADER_COMBO( BASETEXTURE, params[BASETEXTURE]->IsTexture() ); SET_STATIC_PIXEL_SHADER_COMBO( ENVMAPMASK, params[ENVMAPMASK]->IsTexture() && params[BASETEXTURE]->IsTexture() ); SET_STATIC_PIXEL_SHADER( sdk_lightmappedreflective_ps20b ); } else { DECLARE_STATIC_PIXEL_SHADER( sdk_lightmappedreflective_ps20 ); SET_STATIC_PIXEL_SHADER_COMBO( REFLECT, bReflection ); SET_STATIC_PIXEL_SHADER_COMBO( REFRACT, bRefraction ); SET_STATIC_PIXEL_SHADER_COMBO( BASETEXTURE, params[BASETEXTURE]->IsTexture() ); SET_STATIC_PIXEL_SHADER_COMBO( ENVMAPMASK, params[ENVMAPMASK]->IsTexture() && params[BASETEXTURE]->IsTexture() ); SET_STATIC_PIXEL_SHADER( sdk_lightmappedreflective_ps20 ); } FogToFogColor(); if( g_pHardwareConfig->GetHDRType() != HDR_TYPE_NONE ) { // we are writing linear values from this shader. pShaderShadow->EnableSRGBWrite( true ); } pShaderShadow->EnableAlphaWrites( bFullyOpaque ); } DYNAMIC_STATE { if( bRefraction ) { // HDRFIXME: add comment about binding.. Specify the number of MRTs in the enable BindTexture( SHADER_SAMPLER0, REFRACTTEXTURE, -1 ); } if( bReflection ) { BindTexture( SHADER_SAMPLER2, REFLECTTEXTURE, -1 ); } BindTexture( SHADER_SAMPLER4, NORMALMAP, BUMPFRAME ); if( params[BASETEXTURE]->IsTexture() ) { BindTexture( SHADER_SAMPLER1, BASETEXTURE, FRAME ); pShaderAPI->BindStandardTexture( SHADER_SAMPLER3, TEXTURE_LIGHTMAP ); SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_3, BASETEXTURETRANSFORM ); if ( params[ENVMAPMASK]->IsTexture() ) { BindTexture( SHADER_SAMPLER6, ENVMAPMASK, ENVMAPMASKFRAME ); } } // Refraction tint if( bRefraction ) { SetPixelShaderConstantGammaToLinear( 1, REFRACTTINT ); } // Reflection tint if( bReflection ) { SetPixelShaderConstantGammaToLinear( 4, REFLECTTINT ); } SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_1, BUMPTRANSFORM ); float c0[4] = { 1.0f / 3.0f, 1.0f / 3.0f, 1.0f / 3.0f, 0.0f }; pShaderAPI->SetPixelShaderConstant( 0, c0, 1 ); float c2[4] = { 0.5f, 0.5f, 0.5f, 0.5f }; pShaderAPI->SetPixelShaderConstant( 2, c2, 1 ); // fresnel constants float flFresnelFactor = params[MAXREFLECTIVITY]->GetFloatValue() - params[MINREFLECTIVITY]->GetFloatValue(); float c3[4] = { flFresnelFactor, params[FRESNELPOWER]->GetFloatValue(), params[MINREFLECTIVITY]->GetFloatValue(), 0.0f }; pShaderAPI->SetPixelShaderConstant( 3, c3, 1 ); float c5[4] = { params[REFLECTAMOUNT]->GetFloatValue(), params[REFLECTAMOUNT]->GetFloatValue(), params[REFRACTAMOUNT]->GetFloatValue(), params[REFRACTAMOUNT]->GetFloatValue() }; pShaderAPI->SetPixelShaderConstant( 5, c5, 1 ); pShaderAPI->SetPixelShaderFogParams( 8 ); DECLARE_DYNAMIC_VERTEX_SHADER( sdk_lightmappedreflective_vs20 ); SET_DYNAMIC_VERTEX_SHADER( sdk_lightmappedreflective_vs20 ); if( g_pHardwareConfig->SupportsPixelShaders_2_b() ) { DECLARE_DYNAMIC_PIXEL_SHADER( sdk_lightmappedreflective_ps20b ); SET_DYNAMIC_PIXEL_SHADER_COMBO( WRITE_DEPTH_TO_DESTALPHA, bFullyOpaque && pShaderAPI->ShouldWriteDepthToDestAlpha() ); SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() ); SET_DYNAMIC_PIXEL_SHADER( sdk_lightmappedreflective_ps20b ); } else { DECLARE_DYNAMIC_PIXEL_SHADER( sdk_lightmappedreflective_ps20 ); SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() ); SET_DYNAMIC_PIXEL_SHADER( sdk_lightmappedreflective_ps20 ); } } Draw(); }