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ref_gl: disable singlepass detail renderer, use correct fog color multipliers in VBO

This commit is contained in:
mittorn 2023-10-16 21:32:13 +03:00 committed by Alibek Omarov
parent 3a8f4961bc
commit eff033298a
3 changed files with 83 additions and 17 deletions
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1
ref/gl/gl_local.h
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@ -774,6 +774,7 @@ extern convar_t r_lockfrustum;
extern convar_t r_traceglow;
extern convar_t r_vbo;
extern convar_t r_vbo_dlightmode;
extern convar_t r_vbo_detail;
extern convar_t r_studio_sort_textures;
extern convar_t r_studio_drawelements;
extern convar_t r_ripple;

2
ref/gl/gl_opengl.c
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@ -29,6 +29,7 @@ CVAR_DEFINE_AUTO( r_lockfrustum, "0", FCVAR_CHEAT, "lock frustrum area at curren
CVAR_DEFINE_AUTO( r_traceglow, "0", FCVAR_GLCONFIG, "cull flares behind models" );
CVAR_DEFINE_AUTO( gl_round_down, "2", FCVAR_GLCONFIG|FCVAR_READ_ONLY, "round texture sizes to nearest POT value" );
CVAR_DEFINE( r_vbo, "gl_vbo", "0", FCVAR_ARCHIVE, "draw world using VBO (known to be glitchy)" );
CVAR_DEFINE( r_vbo_detail, "gl_vbo_detail", "0", FCVAR_ARCHIVE, "detail vbo mode (0: disable, 1: multipass, 2: singlepass, broken decal dlights)" );
CVAR_DEFINE( r_vbo_dlightmode, "gl_vbo_dlightmode", "1", FCVAR_ARCHIVE, "vbo dlight rendering mode (0-1)" );
CVAR_DEFINE_AUTO( r_ripple, "0", FCVAR_GLCONFIG, "enable software-like water texture ripple simulation" );
CVAR_DEFINE_AUTO( r_ripple_updatetime, "0.05", FCVAR_GLCONFIG, "how fast ripple simulation is" );
@ -1244,6 +1245,7 @@ static void R_CheckVBO( void )
gEngfuncs.Cvar_RegisterVariable( &r_vbo );
gEngfuncs.Cvar_RegisterVariable( &r_vbo_dlightmode );
gEngfuncs.Cvar_RegisterVariable( &r_vbo_detail );
}
/*

97
ref/gl/gl_rsurf.c
View File

@ -216,7 +216,16 @@ static void SubdividePolygon_r( model_t *loadmodel, msurface_t *warpface, int nu
}
}
void GL_SetupFogColorForSurfaces( void )
/*
===============================
GL_SetupFogColorForSurfaces
every render pass applies new fog layer, resulting in wrong fog color
recalculate fog color for current pass count
===============================
*/
void GL_SetupFogColorForSurfacesEx( int passes, float density )
{
vec3_t fogColor;
float factor, div;
@ -224,18 +233,25 @@ void GL_SetupFogColorForSurfaces( void )
if( !glState.isFogEnabled )
return;
if( RI.currententity && RI.currententity->curstate.rendermode == kRenderTransTexture )
if(( passes < 2 ) || (RI.currententity && RI.currententity->curstate.rendermode == kRenderTransTexture ))
{
pglFogfv( GL_FOG_COLOR, RI.fogColor );
return;
}
div = (r_detailtextures.value) ? 2.0f : 1.0f;
factor = (r_detailtextures.value) ? 3.0f : 2.0f;
div = passes - 1;
factor = passes;
fogColor[0] = pow( RI.fogColor[0] / div, ( 1.0f / factor ));
fogColor[1] = pow( RI.fogColor[1] / div, ( 1.0f / factor ));
fogColor[2] = pow( RI.fogColor[2] / div, ( 1.0f / factor ));
pglFogfv( GL_FOG_COLOR, fogColor );
pglFogf( GL_FOG_DENSITY, RI.fogDensity * density );
}
void GL_SetupFogColorForSurfaces( void )
{
GL_SetupFogColorForSurfacesEx( r_detailtextures.value ? 3 : 2, 1.0f );
}
void GL_ResetFogColor( void )
@ -1039,7 +1055,7 @@ void R_RenderFullbrights( void )
R_RenderDetails
================
*/
void R_RenderDetails( void )
void R_RenderDetails( int passes )
{
gl_texture_t *glt;
mextrasurf_t *es, *p;
@ -1049,12 +1065,19 @@ void R_RenderDetails( void )
if( !draw_details )
return;
GL_SetupFogColorForSurfaces();
GL_SetupFogColorForSurfacesEx( passes, passes == 2 ? 0.5f : 1.0f );
pglEnable( GL_BLEND );
pglBlendFunc( GL_DST_COLOR, GL_SRC_COLOR );
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
pglDepthFunc( GL_EQUAL );
if(passes == 3)
pglDepthFunc( GL_EQUAL );
else
{
pglDepthFunc( GL_LEQUAL );
//pglDepthMask( GL_FALSE );
pglEnable( GL_POLYGON_OFFSET_FILL );
}
for( i = 1; i < MAX_TEXTURES; i++ )
{
@ -1077,6 +1100,7 @@ void R_RenderDetails( void )
pglDisable( GL_BLEND );
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
pglDepthFunc( GL_LEQUAL );
pglDisable( GL_POLYGON_OFFSET_FILL );
draw_details = false;
@ -1549,8 +1573,6 @@ void R_DrawBrushModel( cl_entity_t *e )
// setup the rendermode
R_SetRenderMode( e );
GL_SetupFogColorForSurfaces ();
if( e->curstate.rendermode == kRenderTransAdd )
{
R_AllowFog( false );
@ -1560,6 +1582,9 @@ void R_DrawBrushModel( cl_entity_t *e )
if( e->curstate.rendermode == kRenderTransColor || e->curstate.rendermode == kRenderTransTexture )
allow_vbo = false;
if( !allow_vbo )
GL_SetupFogColorForSurfaces ();
psurf = &clmodel->surfaces[clmodel->firstmodelsurface];
num_sorted = 0;
@ -1609,7 +1634,7 @@ void R_DrawBrushModel( cl_entity_t *e )
GL_ResetFogColor();
R_BlendLightmaps();
R_RenderFullbrights();
R_RenderDetails();
R_RenderDetails( allow_vbo? 2: 3 );
// restore fog here
if( e->curstate.rendermode == kRenderTransAdd )
@ -2037,6 +2062,7 @@ static void R_DisableDetail( void )
GL_SelectTexture( mtst.tmu_dt );
pglDisableClientState( GL_TEXTURE_COORD_ARRAY );
pglDisable( GL_TEXTURE_2D );
pglMatrixMode( GL_TEXTURE );
pglLoadIdentity();
}
}
@ -2147,6 +2173,7 @@ static texture_t *R_SetupVBOTexture( texture_t *tex, int number )
}
else R_DisableDetail();
GL_Bind( mtst.tmu_gl, r_lightmap->value ?tr.whiteTexture:tex->gl_texturenum );
return tex;
@ -2162,7 +2189,7 @@ draw details when not enough tmus
static void R_AdditionalPasses( vboarray_t *vbo, int indexlen, void *indexarray, texture_t *tex, qboolean resetvbo )
{
// draw details in additional pass
if( r_detailtextures.value && mtst.tmu_dt == -1 && tex->dt_texturenum )
if( r_detailtextures.value && r_vbo_detail.value == 1 && mtst.tmu_dt == -1 && tex->dt_texturenum )
{
gl_texture_t *glt = R_GetTexture( tex->gl_texturenum );
@ -2199,8 +2226,8 @@ static void R_AdditionalPasses( vboarray_t *vbo, int indexlen, void *indexarray,
pglLoadIdentity();
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
pglDisable( GL_BLEND );
GL_Bind( XASH_TEXTURE1, mtst.lm );
pglTexCoordPointer( 2, GL_FLOAT, sizeof( vbovertex_t ), (void*)offsetof( vbovertex_t, lm_tc ) );
//GL_Bind( XASH_TEXTURE1, mtst.lm );
//pglTexCoordPointer( 2, GL_FLOAT, sizeof( vbovertex_t ), (void*)offsetof( vbovertex_t, lm_tc ) );
GL_SelectTexture( XASH_TEXTURE1 );
pglEnable( GL_TEXTURE_2D );
@ -2225,8 +2252,6 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture
#endif
pglDrawElements( GL_TRIANGLES, vbotex->curindex, GL_UNSIGNED_SHORT, vbotex->indexarray );
R_AdditionalPasses( vbo, vbotex->curindex, vbotex->indexarray, texture, false );
// draw debug lines
if( gl_wireframe.value && !skiplighting )
{
@ -2584,6 +2609,7 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture
vbotex->dlightchain = NULL;
}
R_AdditionalPasses( vbo, vbotex->curindex, vbotex->indexarray, texture, false );
// prepare to next frame
vbotex->curindex = 0;
}
@ -2605,6 +2631,8 @@ void R_DrawVBO( qboolean drawlightmap, qboolean drawtextures )
if( !r_vbo.value )
return;
GL_SetupFogColorForSurfacesEx( 1, 0.5f );
// bind array
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbo->glindex );
pglEnableClientState( GL_VERTEX_ARRAY );
@ -2630,7 +2658,7 @@ void R_DrawVBO( qboolean drawlightmap, qboolean drawtextures )
}
mtst.skiptexture = !drawtextures;
mtst.tmu_dt = glConfig.max_texture_units > 2? XASH_TEXTURE2:-1;
mtst.tmu_dt = glConfig.max_texture_units > 2 && r_vbo_detail.value == 2? XASH_TEXTURE2:-1;
// setup limits
if( vbos.minlightmap > vbos.minarraysplit_lm )
@ -2952,6 +2980,41 @@ qboolean R_AddSurfToVBO( msurface_t *surf, qboolean buildlightmap )
buildlightmap &= !r_fullbright->value && !!WORLDMODEL->lightdata;
/* draw details in regular way */
if( r_vbo_detail.value == 0 )
{
if( r_detailtextures.value && surf->texinfo && surf->texinfo )
{
texture_t *t = surf->texinfo->texture;
if( glState.isFogEnabled )
{
// don't apply detail textures for windows in the fog
if( RI.currententity->curstate.rendermode != kRenderTransTexture )
{
if( t->dt_texturenum )
{
surf->info->detailchain = detail_surfaces[t->dt_texturenum];
detail_surfaces[t->dt_texturenum] = surf->info;
}
else
{
// draw stub detail texture for underwater surfaces
surf->info->detailchain = detail_surfaces[tr.grayTexture];
detail_surfaces[tr.grayTexture] = surf->info;
}
draw_details = true;
}
}
else if( t->dt_texturenum )
{
surf->info->detailchain = detail_surfaces[t->dt_texturenum];
detail_surfaces[t->dt_texturenum] = surf->info;
draw_details = true;
}
}
}
if( buildlightmap && R_CheckLightMap( surf ) )
{
// every vbotex has own lightmap chain (as we sorted if by textures to use multitexture)
@ -3319,7 +3382,7 @@ void R_DrawWorld( void )
GL_ResetFogColor();
R_BlendLightmaps();
R_RenderFullbrights();
R_RenderDetails();
R_RenderDetails( r_vbo.value? 2 : 3 );
if( skychain )
R_DrawSkyBox();