PDGL_API void pdglDepthMask(GLboolean flag)
{
if(pglDepthMask)
{ pglDepthMask(flag); return; }
pglDepthMask=pdglGetProcAddress("glDepthMask");
pglDepthMask(flag);
}
/*
===============
R_Set2DMode
===============
*/
void R_Set2DMode( qboolean enable )
{
if( enable )
{
if( glState.in2DMode )
return;
// set 2D virtual screen size
pglScissor( 0, 0, glState.width, glState.height );
pglViewport( 0, 0, glState.width, glState.height );
pglMatrixMode( GL_PROJECTION );
pglLoadIdentity();
pglOrtho( 0, glState.width, glState.height, 0, -99999, 99999 );
pglMatrixMode( GL_MODELVIEW );
pglLoadIdentity();
GL_Cull( 0 );
pglDepthMask( GL_FALSE );
pglDisable( GL_DEPTH_TEST );
pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
glState.in2DMode = true;
RI.currententity = NULL;
RI.currentmodel = NULL;
}
else
{
pglDepthMask( GL_TRUE );
pglEnable( GL_DEPTH_TEST );
pglMatrixMode( GL_MODELVIEW );
glState.in2DMode = false;
}
}
/*
================
SV_DrawDebugTriangles
Called from renderer for debug purposes
================
*/
void SV_DrawDebugTriangles( void )
{
#ifndef XASH_DEDICATED
if( Host_IsDedicated() )
return;
if( svgame.physFuncs.DrawNormalTriangles != NULL )
{
// draw solid overlay
svgame.physFuncs.DrawNormalTriangles ();
}
if( svgame.physFuncs.DrawDebugTriangles != NULL )
{
// debug draws only
pglDisable( GL_BLEND );
pglDepthMask( GL_FALSE );
pglDisable( GL_TEXTURE_2D );
// draw wireframe overlay
svgame.physFuncs.DrawDebugTriangles ();
pglEnable( GL_TEXTURE_2D );
pglDepthMask( GL_TRUE );
pglEnable( GL_BLEND );
}
#endif
}
/*
================
SV_DrawDebugTriangles
Called from renderer for debug purposes
================
*/
void SV_DrawDebugTriangles( void )
{
if( host.type != HOST_NORMAL )
return;
if( svgame.physFuncs.DrawNormalTriangles != NULL )
{
// draw solid overlay
svgame.physFuncs.DrawNormalTriangles ();
}
if( svgame.physFuncs.DrawDebugTriangles != NULL )
{
// debug draws only
pglDisable( GL_BLEND );
pglDepthMask( GL_FALSE );
pglDisable( GL_TEXTURE_2D );
// draw wireframe overlay
svgame.physFuncs.DrawDebugTriangles ();
pglEnable( GL_TEXTURE_2D );
pglDepthMask( GL_TRUE );
pglEnable( GL_BLEND );
}
}
/*
=============
R_ShadowPassSetupGL
=============
*/
static void R_ShadowPassSetupGL( const plight_t *pl )
{
// matrices already computed
RI.worldviewMatrix = pl->modelviewMatrix;
RI.projectionMatrix = pl->projectionMatrix;
RI.worldviewProjectionMatrix = RI.projectionMatrix.Concat( RI.worldviewMatrix );
GLfloat dest[16];
// tell engine about worldviewprojection matrix so TriWorldToScreen and TriScreenToWorld
// will be working properly
RI.worldviewProjectionMatrix.CopyToArray( dest );
SET_ENGINE_WORLDVIEW_MATRIX( dest );
pglScissor( RI.scissor[0], RI.scissor[1], RI.scissor[2], RI.scissor[3] );
pglViewport( RI.viewport[0], RI.viewport[1], RI.viewport[2], RI.viewport[3] );
pglMatrixMode( GL_PROJECTION );
GL_LoadMatrix( RI.projectionMatrix );
pglMatrixMode( GL_MODELVIEW );
GL_LoadMatrix( RI.worldviewMatrix );
GL_Cull( GL_FRONT );
pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
pglColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
pglEnable( GL_POLYGON_OFFSET_FILL );
pglDisable( GL_TEXTURE_2D );
pglDepthMask( GL_TRUE );
pglPolygonOffset( 8, 30 );
pglEnable( GL_DEPTH_TEST );
pglDisable( GL_ALPHA_TEST );
pglDisable( GL_BLEND );
}
static void ogl_DisableDepthWrite(void)
{
// check consistency
ASSERT( _pGfx->gl_eCurrentAPI==GAT_OGL);
#ifndef NDEBUG
BOOL bRes;
pglGetIntegerv( GL_DEPTH_WRITEMASK, (GLint*)&bRes);
OGL_CHECKERROR;
ASSERT( !bRes == !GFX_bDepthWrite);
#endif
// cached?
if( !GFX_bDepthWrite && gap_bOptimizeStateChanges) return;
GFX_bDepthWrite = FALSE;
_sfStats.StartTimer(CStatForm::STI_GFXAPI);
pglDepthMask(GL_FALSE);
OGL_CHECKERROR;
_sfStats.StopTimer(CStatForm::STI_GFXAPI);
}
/*
=============
R_DrawEntitiesOnList
=============
*/
void R_DrawEntitiesOnList( void )
{
int i;
glState.drawTrans = false;
// draw the solid submodels fog
R_DrawFog ();
// first draw solid entities
for( i = 0; i < tr.num_solid_entities; i++ )
{
if( RI.refdef.onlyClientDraw )
break;
RI.currententity = tr.solid_entities[i];
RI.currentmodel = RI.currententity->model;
ASSERT( RI.currententity != NULL );
ASSERT( RI.currententity->model != NULL );
switch( RI.currentmodel->type )
{
case mod_brush:
R_DrawBrushModel( RI.currententity );
break;
case mod_studio:
R_DrawStudioModel( RI.currententity );
break;
case mod_sprite:
R_DrawSpriteModel( RI.currententity );
break;
default:
break;
}
}
if( !RI.refdef.onlyClientDraw )
{
CL_DrawBeams( false );
}
if( RI.drawWorld )
clgame.dllFuncs.pfnDrawNormalTriangles();
// NOTE: some mods with custom renderer may generate glErrors
// so we clear it here
while( pglGetError() != GL_NO_ERROR );
// don't fogging translucent surfaces
if( !RI.fogCustom )
pglDisable( GL_FOG );
pglDepthMask( GL_FALSE );
glState.drawTrans = true;
// then draw translucent entities
for( i = 0; i < tr.num_trans_entities; i++ )
{
if( RI.refdef.onlyClientDraw )
break;
RI.currententity = tr.trans_entities[i];
RI.currentmodel = RI.currententity->model;
ASSERT( RI.currententity != NULL );
ASSERT( RI.currententity->model != NULL );
switch( RI.currentmodel->type )
{
case mod_brush:
R_DrawBrushModel( RI.currententity );
break;
case mod_studio:
R_DrawStudioModel( RI.currententity );
break;
case mod_sprite:
R_DrawSpriteModel( RI.currententity );
break;
default:
break;
}
}
if( RI.drawWorld )
clgame.dllFuncs.pfnDrawTransparentTriangles ();
if( !RI.refdef.onlyClientDraw )
{
CL_DrawBeams( true );
CL_DrawParticles();
}
// NOTE: some mods with custom renderer may generate glErrors
// so we clear it here
while( pglGetError() != GL_NO_ERROR );
glState.drawTrans = false;
pglDepthMask( GL_TRUE );
pglDisable( GL_BLEND ); // Trinity Render issues
R_DrawViewModel();
CL_ExtraUpdate();
}
void DrawSurfaceDecals( msurface_t *fa )
{
decal_t *p;
cl_entity_t *e;
if( !fa->pdecals ) return;
e = RI.currententity;
ASSERT( e != NULL );
if( e->curstate.rendermode == kRenderNormal || e->curstate.rendermode == kRenderTransAlpha )
{
pglDepthMask( GL_FALSE );
pglEnable( GL_BLEND );
if( e->curstate.rendermode == kRenderTransAlpha )
pglDisable( GL_ALPHA_TEST );
}
if( e->curstate.rendermode == kRenderTransColor )
pglEnable( GL_TEXTURE_2D );
if( e->curstate.rendermode == kRenderTransTexture || e->curstate.rendermode == kRenderTransAdd )
GL_Cull( GL_NONE );
pglEnable( GL_POLYGON_OFFSET_FILL );
pglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
if( fa->flags & SURF_TRANSPARENT && glState.stencilEnabled )
{
mtexinfo_t *tex = fa->texinfo;
for( p = fa->pdecals; p; p = p->pnext )
{
if( p->texture )
{
float *o, *v;
int i, numVerts;
o = R_DecalSetupVerts( p, fa, p->texture, &numVerts );
pglEnable( GL_STENCIL_TEST );
pglStencilFunc( GL_ALWAYS, 1, 0xFFFFFFFF );
pglColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
pglStencilOp( GL_KEEP, GL_KEEP, GL_REPLACE );
pglBegin( GL_POLYGON );
for( i = 0, v = o; i < numVerts; i++, v += VERTEXSIZE )
{
v[5] = ( DotProduct( v, tex->vecs[0] ) + tex->vecs[0][3] ) / tex->texture->width;
v[6] = ( DotProduct( v, tex->vecs[1] ) + tex->vecs[1][3] ) / tex->texture->height;
pglTexCoord2f( v[5], v[6] );
pglVertex3fv( v );
}
pglEnd();
pglStencilOp( GL_KEEP, GL_KEEP, GL_DECR );
pglEnable( GL_ALPHA_TEST );
pglBegin( GL_POLYGON );
for( i = 0, v = o; i < numVerts; i++, v += VERTEXSIZE )
{
pglTexCoord2f( v[5], v[6] );
pglVertex3fv( v );
}
pglEnd();
pglDisable( GL_ALPHA_TEST );
pglColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
pglStencilFunc( GL_EQUAL, 0, 0xFFFFFFFF );
pglStencilOp( GL_KEEP, GL_KEEP, GL_KEEP );
}
}
}
for( p = fa->pdecals; p; p = p->pnext )
{
if( p->texture )
{
gltexture_t *glt = R_GetTexture( p->texture );
// normal HL decal with alpha-channel
if( glt->flags & TF_HAS_ALPHA )
{
// draw transparent decals with GL_MODULATE
if( glt->fogParams[3] > DECAL_TRANSPARENT_THRESHOLD )
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
else pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
pglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
}
else
{
// color decal like detail texture. Base color is 127 127 127
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
pglBlendFunc( GL_DST_COLOR, GL_SRC_COLOR );
}
DrawSingleDecal( p, fa );
}
}
if( fa->flags & SURF_TRANSPARENT && glState.stencilEnabled )
pglDisable( GL_STENCIL_TEST );
if( e->curstate.rendermode == kRenderNormal || e->curstate.rendermode == kRenderTransAlpha )
{
pglDepthMask( GL_TRUE );
pglDisable( GL_BLEND );
if( e->curstate.rendermode == kRenderTransAlpha )
pglEnable( GL_ALPHA_TEST );
}
pglDisable( GL_POLYGON_OFFSET_FILL );
if( e->curstate.rendermode == kRenderTransTexture || e->curstate.rendermode == kRenderTransAdd )
GL_Cull( GL_FRONT );
if( e->curstate.rendermode == kRenderTransColor )
pglDisable( GL_TEXTURE_2D );
// restore blendfunc here
if( e->curstate.rendermode == kRenderTransAdd || e->curstate.rendermode == kRenderGlow )
pglBlendFunc( GL_SRC_ALPHA, GL_ONE );
}
/*
=================
R_BloomBlend
=================
*/
void R_BloomBlend( const ref_params_t *fd )
{
if( !r_bloom->value )
return;
if( !BLOOM_SIZE )
R_Bloom_InitTextures();
if( screen_texture_width < BLOOM_SIZE || screen_texture_height < BLOOM_SIZE )
return;
// set up full screen workspace
pglScissor( 0, 0, glState.width, glState.height );
pglViewport( 0, 0, glState.width, glState.height );
pglMatrixMode( GL_PROJECTION );
pglLoadIdentity();
pglOrtho( 0, glState.width, glState.height, 0, -10, 100 );
pglMatrixMode( GL_MODELVIEW );
pglLoadIdentity();
pglDisable( GL_DEPTH_TEST );
pglDisable( GL_ALPHA_TEST );
pglDepthMask( GL_FALSE );
pglDisable( GL_BLEND );
GL_Cull( 0 );
pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
pglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
// set up current sizes
curView_x = fd->viewport[0];
curView_y = fd->viewport[1];
curView_width = fd->viewport[2];
curView_height = fd->viewport[3];
screenTex_tcw = ( (float)curView_width / (float)screen_texture_width );
screenTex_tch = ( (float)curView_height / (float)screen_texture_height );
if( curView_height > curView_width )
{
sampleText_tcw = ( (float)curView_width / (float)curView_height );
sampleText_tch = 1.0f;
}
else
{
sampleText_tcw = 1.0f;
sampleText_tch = ( (float)curView_height / (float)curView_width );
}
sample_width = ( BLOOM_SIZE * sampleText_tcw );
sample_height = ( BLOOM_SIZE * sampleText_tch );
// copy the screen space we'll use to work into the backup texture
GL_Bind( GL_TEXTURE0, r_bloombackuptexture );
pglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 0, 0, r_screenbackuptexture_width * sampleText_tcw, r_screenbackuptexture_height * sampleText_tch );
// create the bloom image
R_Bloom_DownsampleView();
R_Bloom_GeneratexDiamonds();
pglDisable( GL_BLEND );
// restore the screen-backup to the screen
GL_Bind( GL_TEXTURE0, r_bloombackuptexture );
pglColor4f( 1, 1, 1, 1 );
R_Bloom_Quad( 0,
glState.height - (r_screenbackuptexture_height * sampleText_tch),
r_screenbackuptexture_width * sampleText_tcw,
r_screenbackuptexture_height * sampleText_tch,
sampleText_tcw, sampleText_tch );
pglScissor( RI.scissor[0], RI.scissor[1], RI.scissor[2], RI.scissor[3] );
R_Bloom_DrawEffect();
pglViewport( RI.viewport[0], RI.viewport[1], RI.viewport[2], RI.viewport[3] );
pglMatrixMode( GL_PROJECTION );
GL_LoadMatrix( RI.projectionMatrix );
pglMatrixMode( GL_MODELVIEW );
GL_LoadMatrix( RI.worldviewMatrix );
pglEnable( GL_DEPTH_TEST );
pglDepthMask( GL_TRUE );
pglDisable( GL_BLEND );
GL_Cull( GL_FRONT );
}
