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