mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2024-12-23 01:59:43 +08:00
380 lines
11 KiB
C++
380 lines
11 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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// Implementation of the sprite shader
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//=============================================================================//
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#include "BaseVSShader.h"
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#include <string.h>
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#include "const.h"
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#include "sprite_vs11.inc"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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// WARNING! Change these in engine/SpriteGn.h if you change them here!
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#define SPR_VP_PARALLEL_UPRIGHT 0
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#define SPR_FACING_UPRIGHT 1
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#define SPR_VP_PARALLEL 2
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#define SPR_ORIENTED 3
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#define SPR_VP_PARALLEL_ORIENTED 4
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DEFINE_FALLBACK_SHADER( Sprite, Sprite_DX8 )
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BEGIN_VS_SHADER( Sprite_DX8,
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"Help for Sprite_DX8" )
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BEGIN_SHADER_PARAMS
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SHADER_PARAM( SPRITEORIGIN, SHADER_PARAM_TYPE_VEC3, "[0 0 0]", "sprite origin" )
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SHADER_PARAM( SPRITEORIENTATION, SHADER_PARAM_TYPE_INTEGER, "0", "sprite orientation" )
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SHADER_PARAM( SPRITERENDERMODE, SHADER_PARAM_TYPE_INTEGER, "0", "sprite rendermode" )
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SHADER_PARAM( IGNOREVERTEXCOLORS, SHADER_PARAM_TYPE_BOOL, "1", "ignore vertex colors" )
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END_SHADER_PARAMS
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SHADER_FALLBACK
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{
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if ( IsPC() && g_pHardwareConfig->GetDXSupportLevel() < 80 )
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return "Sprite_DX6";
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return 0;
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}
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SHADER_INIT_PARAMS()
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{
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// FIXME: This can share code with sprite.cpp
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// FIXME: Not sure if this is the best solution, but it's a very]
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// easy one. When graphics aren't enabled, we oftentimes need to get
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// at the parameters of a shader. Therefore, we must set the default
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// values in a separate phase from when we load resources.
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if (!params[ALPHA]->IsDefined())
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params[ ALPHA ]->SetFloatValue( 1.0f );
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SET_FLAGS( MATERIAL_VAR_NO_DEBUG_OVERRIDE );
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SET_FLAGS( MATERIAL_VAR_VERTEXCOLOR );
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SET_FLAGS( MATERIAL_VAR_VERTEXALPHA );
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// translate from a string orientation to an enumeration
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if (params[SPRITEORIENTATION]->IsDefined())
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{
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const char *orientationString = params[SPRITEORIENTATION]->GetStringValue();
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if( stricmp( orientationString, "parallel_upright" ) == 0 )
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{
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params[SPRITEORIENTATION]->SetIntValue( SPR_VP_PARALLEL_UPRIGHT );
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}
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else if( stricmp( orientationString, "facing_upright" ) == 0 )
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{
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params[SPRITEORIENTATION]->SetIntValue( SPR_FACING_UPRIGHT );
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}
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else if( stricmp( orientationString, "vp_parallel" ) == 0 )
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{
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params[SPRITEORIENTATION]->SetIntValue( SPR_VP_PARALLEL );
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}
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else if( stricmp( orientationString, "oriented" ) == 0 )
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{
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params[SPRITEORIENTATION]->SetIntValue( SPR_ORIENTED );
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}
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else if( stricmp( orientationString, "vp_parallel_oriented" ) == 0 )
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{
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params[SPRITEORIENTATION]->SetIntValue( SPR_VP_PARALLEL_ORIENTED );
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}
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else
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{
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Warning( "error with $spriteOrientation\n" );
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params[SPRITEORIENTATION]->SetIntValue( SPR_VP_PARALLEL_UPRIGHT );
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}
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}
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else
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{
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// default case
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params[SPRITEORIENTATION]->SetIntValue( SPR_VP_PARALLEL_UPRIGHT );
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}
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}
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SHADER_INIT
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{
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LoadTexture( BASETEXTURE );
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}
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#define SHADER_USE_VERTEX_COLOR 1
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#define SHADER_USE_CONSTANT_COLOR 2
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void SetSpriteCommonShadowState( unsigned int shaderFlags )
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{
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s_pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
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unsigned int flags = VERTEX_POSITION;
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if( shaderFlags & SHADER_USE_VERTEX_COLOR )
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{
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flags |= VERTEX_COLOR;
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}
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s_pShaderShadow->VertexShaderVertexFormat( flags, 1, 0, 0 );
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sprite_vs11_Static_Index vshIndex;
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bool vertexColor = ( shaderFlags & SHADER_USE_VERTEX_COLOR ) ? true : false;
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vshIndex.SetVERTEXCOLOR( vertexColor );
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s_pShaderShadow->SetVertexShader( "sprite_vs11", vshIndex.GetIndex() );
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// "VERTEXCOLOR" "0..1"
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// "CONSTANTCOLOR" "0..1"
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int pshIndex = 0;
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if ( shaderFlags & SHADER_USE_VERTEX_COLOR ) pshIndex |= 0x1;
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if ( shaderFlags & SHADER_USE_CONSTANT_COLOR ) pshIndex |= 0x2;
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s_pShaderShadow->SetPixelShader( "sprite_ps11", pshIndex );
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}
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void SetSpriteCommonDynamicState( unsigned int shaderFlags )
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{
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BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
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MaterialFogMode_t fogType = s_pShaderAPI->GetSceneFogMode();
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int fogIndex = ( fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z ) ? 1 : 0;
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sprite_vs11_Dynamic_Index vshIndex;
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vshIndex.SetSKINNING( 0 );
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vshIndex.SetDOWATERFOG( fogIndex );
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s_pShaderAPI->SetVertexShaderIndex( vshIndex.GetIndex() );
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s_pShaderAPI->SetPixelShaderIndex( 0 );
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if ( shaderFlags & SHADER_USE_CONSTANT_COLOR )
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{
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SetPixelShaderConstant( 0, COLOR, ALPHA );
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}
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float color[4] = { 1.0, 1.0, 1.0, 1.0 };
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s_pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_MODULATION_COLOR, color );
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// identity base texture transorm
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float ident[2][4] = {
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{ 1.0f, 0.0f, 0.0f, 0.0f },
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{ 0.0f, 1.0f, 0.0f, 0.0f }
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};
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s_pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, &ident[0][0], 2 );
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}
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SHADER_DRAW
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{
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SHADOW_STATE
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{
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pShaderShadow->EnableCulling( false );
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}
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switch( params[SPRITERENDERMODE]->GetIntValue() )
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{
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case kRenderNormal:
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SHADOW_STATE
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{
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FogToFogColor();
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SetSpriteCommonShadowState( 0 );
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}
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DYNAMIC_STATE
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{
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SetSpriteCommonDynamicState( 0 );
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}
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Draw();
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break;
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case kRenderTransColor:
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case kRenderTransTexture:
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SHADOW_STATE
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{
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->EnableBlending( true );
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pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
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FogToFogColor();
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SetSpriteCommonShadowState( SHADER_USE_VERTEX_COLOR );
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}
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DYNAMIC_STATE
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{
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SetSpriteCommonDynamicState( SHADER_USE_VERTEX_COLOR );
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}
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Draw();
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break;
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case kRenderGlow:
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case kRenderWorldGlow:
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SHADOW_STATE
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{
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->DepthFunc( SHADER_DEPTHFUNC_ALWAYS );
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pShaderShadow->EnableBlending( true );
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pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE );
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FogToBlack();
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SetSpriteCommonShadowState( SHADER_USE_VERTEX_COLOR );
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}
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DYNAMIC_STATE
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{
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SetSpriteCommonDynamicState( SHADER_USE_VERTEX_COLOR );
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}
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Draw();
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break;
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case kRenderTransAlpha:
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// untested cut and past from kRenderTransAlphaAdd . . same as first pass of that.
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SHADOW_STATE
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{
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->EnableBlending( true );
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pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
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FogToFogColor();
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SetSpriteCommonShadowState( SHADER_USE_VERTEX_COLOR );
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}
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DYNAMIC_STATE
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{
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SetSpriteCommonDynamicState( SHADER_USE_VERTEX_COLOR );
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}
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Draw();
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break;
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case kRenderTransAlphaAdd:
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SHADOW_STATE
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{
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->EnableBlending( true );
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pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
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FogToFogColor();
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SetSpriteCommonShadowState( SHADER_USE_VERTEX_COLOR );
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}
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DYNAMIC_STATE
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{
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SetSpriteCommonDynamicState( SHADER_USE_VERTEX_COLOR );
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}
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Draw();
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SHADOW_STATE
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{
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SetInitialShadowState();
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->EnableBlending( true );
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pShaderShadow->BlendFunc( SHADER_BLEND_ONE_MINUS_SRC_ALPHA, SHADER_BLEND_ONE );
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FogToBlack();
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SetSpriteCommonShadowState( SHADER_USE_VERTEX_COLOR );
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}
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DYNAMIC_STATE
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{
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SetSpriteCommonDynamicState( SHADER_USE_VERTEX_COLOR );
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}
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Draw();
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break;
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case kRenderTransAdd:
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{
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unsigned int flags = SHADER_USE_CONSTANT_COLOR;
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if( !params[ IGNOREVERTEXCOLORS ]->GetIntValue() )
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{
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flags |= SHADER_USE_VERTEX_COLOR;
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}
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SHADOW_STATE
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{
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->EnableBlending( true );
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pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE );
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FogToBlack();
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SetSpriteCommonShadowState( flags );
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}
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DYNAMIC_STATE
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{
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SetSpriteCommonDynamicState( flags );
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}
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}
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Draw();
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break;
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case kRenderTransAddFrameBlend:
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{
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float flFrame = params[FRAME]->GetFloatValue();
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float flFade = params[ALPHA]->GetFloatValue();
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unsigned int flags = SHADER_USE_CONSTANT_COLOR;
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if( !params[ IGNOREVERTEXCOLORS ]->GetIntValue() )
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{
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flags |= SHADER_USE_VERTEX_COLOR;
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}
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SHADOW_STATE
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{
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->EnableBlending( true );
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pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE );
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FogToBlack();
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SetSpriteCommonShadowState( flags );
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}
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DYNAMIC_STATE
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{
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float frameBlendAlpha = 1.0f - ( flFrame - ( int )flFrame );
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ITexture *pTexture = params[BASETEXTURE]->GetTextureValue();
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BindTexture( SHADER_SAMPLER0, pTexture, ( int )flFrame );
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MaterialFogMode_t fogType = s_pShaderAPI->GetSceneFogMode();
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int fogIndex = ( fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z ) ? 1 : 0;
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sprite_vs11_Dynamic_Index vshIndex;
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vshIndex.SetSKINNING( 0 );
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vshIndex.SetDOWATERFOG( fogIndex );
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s_pShaderAPI->SetVertexShaderIndex( vshIndex.GetIndex() );
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float color[4] = { 1.0, 1.0, 1.0, 1.0 };
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s_pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_MODULATION_COLOR, color );
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s_pShaderAPI->SetPixelShaderIndex( 0 );
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color[0] = color[1] = color[2] = flFade * frameBlendAlpha;
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color[3] = 1.0f;
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s_pShaderAPI->SetPixelShaderConstant( 0, color );
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// identity base texture transorm
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float ident[2][4] = {
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{ 1.0f, 0.0f, 0.0f, 0.0f },
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{ 0.0f, 1.0f, 0.0f, 0.0f }
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};
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s_pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, &ident[0][0], 2 );
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}
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Draw();
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SHADOW_STATE
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{
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FogToBlack();
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SetSpriteCommonShadowState( flags );
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}
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DYNAMIC_STATE
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{
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float frameBlendAlpha = ( flFrame - ( int )flFrame );
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ITexture *pTexture = params[BASETEXTURE]->GetTextureValue();
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int numAnimationFrames = pTexture->GetNumAnimationFrames();
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BindTexture( SHADER_SAMPLER0, pTexture, ( ( int )flFrame + 1 ) % numAnimationFrames );
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MaterialFogMode_t fogType = s_pShaderAPI->GetSceneFogMode();
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int fogIndex = ( fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z ) ? 1 : 0;
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sprite_vs11_Dynamic_Index vshIndex;
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vshIndex.SetSKINNING( 0 );
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vshIndex.SetDOWATERFOG( fogIndex );
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s_pShaderAPI->SetVertexShaderIndex( vshIndex.GetIndex() );
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float color[4] = { 1.0, 1.0, 1.0, 1.0 };
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s_pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_MODULATION_COLOR, color );
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s_pShaderAPI->SetPixelShaderIndex( 0 );
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color[0] = color[1] = color[2] = flFade * frameBlendAlpha;
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color[3] = 1.0f;
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s_pShaderAPI->SetPixelShaderConstant( 0, color );
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// identity base texture transorm
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float ident[2][4] = {
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{ 1.0f, 0.0f, 0.0f, 0.0f },
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{ 0.0f, 1.0f, 0.0f, 0.0f }
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};
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s_pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, &ident[0][0], 2 );
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}
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Draw();
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}
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break;
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default:
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ShaderWarning( "shader Sprite: Unknown sprite render mode\n" );
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break;
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}
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}
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END_SHADER
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