ref: gl: slight refactoring, split large R_RenderBrushPoly to smaller functions
* Use R_RenderDetailsForSurface in R_AddSurfToVBO instead of copypaste * Use existing VBO's R_CheckLightMap in R_RenderLightmapForSurface
This commit is contained in:
Alibek Omarov
parent
5c2ab150b3
commit
ac50c762d7
1 changed files with 203 additions and 261 deletions
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@ -1135,6 +1135,148 @@ static void R_RenderDetails( int passes )
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GL_ResetFogColor();
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GL_ResetFogColor();
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}
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}
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static void R_RenderFullbrightForSurface( msurface_t *fa, texture_t *t )
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{
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if( !t->fb_texturenum )
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return;
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fa->info->lumachain = fullbright_surfaces[t->fb_texturenum];
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fullbright_surfaces[t->fb_texturenum] = fa->info;
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draw_fullbrights = true;
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}
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static void R_RenderDetailsForSurface( msurface_t *fa, texture_t *t )
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{
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if( !r_detailtextures.value )
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return;
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if( glState.isFogEnabled )
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{
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// don't apply detail textures for windows in the fog
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if( RI.currententity->curstate.rendermode != kRenderTransTexture )
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{
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if( t->dt_texturenum )
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{
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fa->info->detailchain = detail_surfaces[t->dt_texturenum];
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detail_surfaces[t->dt_texturenum] = fa->info;
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}
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else
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{
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// draw stub detail texture for underwater surfaces
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fa->info->detailchain = detail_surfaces[tr.grayTexture];
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detail_surfaces[tr.grayTexture] = fa->info;
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}
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draw_details = true;
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}
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}
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else if( t->dt_texturenum )
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{
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fa->info->detailchain = detail_surfaces[t->dt_texturenum];
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detail_surfaces[t->dt_texturenum] = fa->info;
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draw_details = true;
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}
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}
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static void R_RenderDecalsForSurface( msurface_t *fa, int cull_type )
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{
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if( RI.currententity->curstate.rendermode == kRenderNormal )
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{
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// batch decals to draw later
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if( tr.num_draw_decals < MAX_DECAL_SURFS && fa->pdecals )
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tr.draw_decals[tr.num_draw_decals++] = fa;
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}
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else
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{
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// if rendermode != kRenderNormal draw decals sequentially
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DrawSurfaceDecals( fa, true, (cull_type == CULL_BACKSIDE));
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}
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}
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static qboolean R_CheckLightMap( msurface_t *fa )
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{
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qboolean is_dynamic = false;
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int maps;
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// check for lightmap modification
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for( maps = 0; maps < MAXLIGHTMAPS && fa->styles[maps] != 255; maps++ )
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{
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if( tr.lightstylevalue[fa->styles[maps]] != fa->cached_light[maps] )
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goto dynamic;
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}
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// dynamic this frame or dynamic previously
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if( fa->dlightframe == tr.framecount )
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{
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dynamic:
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// NOTE: at this point we have only valid textures
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if( r_dynamic->value )
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is_dynamic = true;
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}
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if( is_dynamic )
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{
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const int style = fa->styles[maps];
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if( maps < MAXLIGHTMAPS && ( style >= 32 || style == 0 || style == 20 ) && fa->dlightframe != tr.framecount )
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{
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byte temp[132*132*4];
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mextrasurf_t *info = fa->info;
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int sample_size;
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int smax, tmax;
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sample_size = gEngfuncs.Mod_SampleSizeForFace( fa );
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smax = ( info->lightextents[0] / sample_size ) + 1;
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tmax = ( info->lightextents[1] / sample_size ) + 1;
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if( smax < 132 && tmax < 132 )
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R_BuildLightMap( fa, temp, smax * 4, true );
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else
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{
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smax = Q_min( smax, 132 );
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tmax = Q_min( tmax, 132 );
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memset( temp, 255, sizeof( temp ));
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//Host_MapDesignError( "%s: bad surface extents: %d %d", __func__, fa->extents[0], fa->extents[1] );
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}
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R_SetCacheState( fa );
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#ifdef XASH_WES
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GL_Bind( XASH_TEXTURE1, tr.lightmapTextures[fa->lightmaptexturenum] );
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pglTexParameteri( GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE );
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#else
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GL_Bind( XASH_TEXTURE0, tr.lightmapTextures[fa->lightmaptexturenum] );
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#endif
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pglTexSubImage2D( GL_TEXTURE_2D, 0, fa->light_s, fa->light_t, smax, tmax, GL_RGBA, GL_UNSIGNED_BYTE, temp );
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#ifdef XASH_WES
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GL_SelectTexture( XASH_TEXTURE0 );
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#endif
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}
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else
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return true; // add to dynamic chain
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}
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return false; // updated
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}
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static void R_RenderLightmapForSurface( msurface_t *fa )
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{
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if( !fa->polys || FBitSet( fa->flags, SURF_DRAWTILED ))
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return;
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if( R_CheckLightMap( fa ))
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{
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fa->info->lightmapchain = gl_lms.dynamic_surfaces;
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gl_lms.dynamic_surfaces = fa;
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}
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else
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{
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fa->info->lightmapchain = gl_lms.lightmap_surfaces[fa->lightmaptexturenum];
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gl_lms.lightmap_surfaces[fa->lightmaptexturenum] = fa;
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}
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}
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/*
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/*
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================
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================
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R_RenderBrushPoly
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R_RenderBrushPoly
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@ -1142,8 +1284,6 @@ R_RenderBrushPoly
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*/
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*/
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static void R_RenderBrushPoly( msurface_t *fa, int cull_type )
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static void R_RenderBrushPoly( msurface_t *fa, int cull_type )
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{
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{
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qboolean is_dynamic = false;
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int maps;
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texture_t *t;
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texture_t *t;
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r_stats.c_world_polys++;
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r_stats.c_world_polys++;
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@ -1163,109 +1303,11 @@ static void R_RenderBrushPoly( msurface_t *fa, int cull_type )
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}
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}
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else GL_Bind( XASH_TEXTURE0, t->gl_texturenum );
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else GL_Bind( XASH_TEXTURE0, t->gl_texturenum );
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if( t->fb_texturenum )
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R_RenderFullbrightForSurface( fa, t );
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{
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R_RenderDetailsForSurface( fa, t );
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fa->info->lumachain = fullbright_surfaces[t->fb_texturenum];
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fullbright_surfaces[t->fb_texturenum] = fa->info;
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draw_fullbrights = true;
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}
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if( r_detailtextures.value )
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{
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if( glState.isFogEnabled )
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{
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// don't apply detail textures for windows in the fog
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if( RI.currententity->curstate.rendermode != kRenderTransTexture )
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{
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if( t->dt_texturenum )
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{
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fa->info->detailchain = detail_surfaces[t->dt_texturenum];
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detail_surfaces[t->dt_texturenum] = fa->info;
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}
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else
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{
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// draw stub detail texture for underwater surfaces
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fa->info->detailchain = detail_surfaces[tr.grayTexture];
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detail_surfaces[tr.grayTexture] = fa->info;
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}
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draw_details = true;
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}
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}
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else if( t->dt_texturenum )
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{
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fa->info->detailchain = detail_surfaces[t->dt_texturenum];
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detail_surfaces[t->dt_texturenum] = fa->info;
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draw_details = true;
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}
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}
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DrawGLPoly( fa->polys, 0.0f, 0.0f );
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DrawGLPoly( fa->polys, 0.0f, 0.0f );
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R_RenderDecalsForSurface( fa, cull_type );
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if( RI.currententity->curstate.rendermode == kRenderNormal )
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R_RenderLightmapForSurface( fa );
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{
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// batch decals to draw later
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if( tr.num_draw_decals < MAX_DECAL_SURFS && fa->pdecals )
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tr.draw_decals[tr.num_draw_decals++] = fa;
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}
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else
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{
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// if rendermode != kRenderNormal draw decals sequentially
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DrawSurfaceDecals( fa, true, (cull_type == CULL_BACKSIDE));
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}
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if( FBitSet( fa->flags, SURF_DRAWTILED ))
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return; // no lightmaps anyway
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// check for lightmap modification
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for( maps = 0; maps < MAXLIGHTMAPS && fa->styles[maps] != 255; maps++ )
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{
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if( tr.lightstylevalue[fa->styles[maps]] != fa->cached_light[maps] )
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goto dynamic;
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}
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// dynamic this frame or dynamic previously
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if( fa->dlightframe == tr.framecount )
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{
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dynamic:
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// NOTE: at this point we have only valid textures
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if( r_dynamic->value ) is_dynamic = true;
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}
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if( is_dynamic )
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{
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if(( maps < MAXLIGHTMAPS ) && ( fa->styles[maps] >= 32 || fa->styles[maps] == 0 || fa->styles[maps] == 20 ) && ( fa->dlightframe != tr.framecount ))
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{
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byte temp[132*132*4];
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mextrasurf_t *info = fa->info;
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int sample_size;
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int smax, tmax;
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sample_size = gEngfuncs.Mod_SampleSizeForFace( fa );
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smax = ( info->lightextents[0] / sample_size ) + 1;
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tmax = ( info->lightextents[1] / sample_size ) + 1;
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R_BuildLightMap( fa, temp, smax * 4, true );
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R_SetCacheState( fa );
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GL_Bind( XASH_TEXTURE0, tr.lightmapTextures[fa->lightmaptexturenum] );
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pglTexSubImage2D( GL_TEXTURE_2D, 0, fa->light_s, fa->light_t, smax, tmax,
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GL_RGBA, GL_UNSIGNED_BYTE, temp );
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fa->info->lightmapchain = gl_lms.lightmap_surfaces[fa->lightmaptexturenum];
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gl_lms.lightmap_surfaces[fa->lightmaptexturenum] = fa;
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}
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else
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{
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fa->info->lightmapchain = gl_lms.dynamic_surfaces;
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gl_lms.dynamic_surfaces = fa;
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}
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}
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else
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{
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fa->info->lightmapchain = gl_lms.lightmap_surfaces[fa->lightmaptexturenum];
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gl_lms.lightmap_surfaces[fa->lightmaptexturenum] = fa;
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}
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}
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}
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/*
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/*
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@ -3115,171 +3157,71 @@ void R_DrawVBO( qboolean drawlightmap, qboolean drawtextures )
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vbos.maxtexture = 0;
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vbos.maxtexture = 0;
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}
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}
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/*
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================
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R_CheckLightMap
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update surface's lightmap if needed and return true if it is dynamic
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================
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*/
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static qboolean R_CheckLightMap( msurface_t *fa )
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{
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int maps;
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qboolean is_dynamic = false;
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// check for lightmap modification
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for( maps = 0; maps < MAXLIGHTMAPS && fa->styles[maps] != 255; maps++ )
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{
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if( tr.lightstylevalue[fa->styles[maps]] != fa->cached_light[maps] )
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{
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is_dynamic = true;
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break;
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}
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}
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// already up to date
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if( !is_dynamic && ( fa->dlightframe != tr.framecount ))
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return false;
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// build lightmap
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if(( maps < MAXLIGHTMAPS ) && ( fa->styles[maps] >= 32 || fa->styles[maps] == 0 ) && ( fa->dlightframe != tr.framecount ))
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{
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byte temp[132*132*4];
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int smax, tmax;
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int sample_size;
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mextrasurf_t *info;
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info = fa->info;
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sample_size = gEngfuncs.Mod_SampleSizeForFace( fa );
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smax = ( info->lightextents[0] / sample_size ) + 1;
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tmax = ( info->lightextents[1] / sample_size ) + 1;
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if( smax < 132 && tmax < 132 )
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{
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R_BuildLightMap( fa, temp, smax * 4, true );
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}
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else
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{
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smax = Q_min( smax, 132 );
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tmax = Q_min( tmax, 132 );
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//Host_MapDesignError( "R_RenderBrushPoly: bad surface extents: %d %d", fa->extents[0], fa->extents[1] );
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memset( temp, 255, sizeof( temp ) );
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}
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R_SetCacheState( fa );
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#ifdef XASH_WES
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GL_Bind( XASH_TEXTURE1, tr.lightmapTextures[fa->lightmaptexturenum] );
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pglTexParameteri( GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE );
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#else
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GL_Bind( XASH_TEXTURE0, tr.lightmapTextures[fa->lightmaptexturenum] );
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#endif
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pglTexSubImage2D( GL_TEXTURE_2D, 0, fa->light_s, fa->light_t, smax, tmax,
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GL_RGBA, GL_UNSIGNED_BYTE, temp );
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#ifdef XASH_WES
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GL_SelectTexture( XASH_TEXTURE0 );
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#endif
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}
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// add to dynamic chain
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else
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return true;
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// updated
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return false;
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}
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qboolean R_AddSurfToVBO( msurface_t *surf, qboolean buildlightmap )
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qboolean R_AddSurfToVBO( msurface_t *surf, qboolean buildlightmap )
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{
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{
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if( r_vbo.value && vbos.surfdata[surf - WORLDMODEL->surfaces].vbotexture )
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const int idx = surf - WORLDMODEL->surfaces;
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{
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vbotexture_t *vbotex;
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// find vbotexture_t assotiated with this surface
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int texturenum;
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int idx = surf - WORLDMODEL->surfaces;
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vbotexture_t *vbotex = vbos.surfdata[idx].vbotexture;
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int texturenum = vbos.surfdata[idx].texturenum;
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if( !surf->polys )
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if( !r_vbo.value )
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return true;
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return false;
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if( vbos.maxlightmap < surf->lightmaptexturenum + 1 )
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// find vbotexture_t assotiated with this surface
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vbos.maxlightmap = surf->lightmaptexturenum + 1;
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vbotex = vbos.surfdata[idx].vbotexture;
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if( vbos.minlightmap > surf->lightmaptexturenum )
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texturenum = vbos.surfdata[idx].texturenum;
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vbos.minlightmap = surf->lightmaptexturenum;
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if( vbos.maxtexture < texturenum + 1 )
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||||||
vbos.maxtexture = texturenum + 1;
|
|
||||||
if( vbos.mintexture > texturenum )
|
|
||||||
vbos.mintexture = texturenum;
|
|
||||||
|
|
||||||
buildlightmap &= !r_fullbright->value && !!WORLDMODEL->lightdata;
|
if( !vbotex )
|
||||||
|
return false;
|
||||||
/* 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)
|
|
||||||
surf->info->lightmapchain = vbotex->dlightchain;
|
|
||||||
vbotex->dlightchain = surf;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
uint indexbase = vbos.surfdata[idx].startindex;
|
|
||||||
uint index;
|
|
||||||
|
|
||||||
// GL_TRIANGLE_FAN: 0 1 2 0 2 3 0 3 4 ...
|
|
||||||
for( index = indexbase + 2; index < indexbase + surf->polys->numverts; index++ )
|
|
||||||
{
|
|
||||||
vbotex->indexarray[vbotex->curindex++] = indexbase;
|
|
||||||
vbotex->indexarray[vbotex->curindex++] = index - 1;
|
|
||||||
vbotex->indexarray[vbotex->curindex++] = index;
|
|
||||||
}
|
|
||||||
|
|
||||||
// if surface has decals, add it to decal lightmapchain
|
|
||||||
if( surf->pdecals )
|
|
||||||
{
|
|
||||||
surf->info->lightmapchain = vbos.decaldata->lm[vbotex->lightmaptexturenum];
|
|
||||||
vbos.decaldata->lm[vbotex->lightmaptexturenum] = surf;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// now this path does not draw wapred surfaces, so count it as one poly
|
|
||||||
r_stats.c_world_polys++;
|
|
||||||
|
|
||||||
|
if( !surf->polys )
|
||||||
return true;
|
return true;
|
||||||
|
|
||||||
|
if( vbos.maxlightmap < surf->lightmaptexturenum + 1 )
|
||||||
|
vbos.maxlightmap = surf->lightmaptexturenum + 1;
|
||||||
|
if( vbos.minlightmap > surf->lightmaptexturenum )
|
||||||
|
vbos.minlightmap = surf->lightmaptexturenum;
|
||||||
|
if( vbos.maxtexture < texturenum + 1 )
|
||||||
|
vbos.maxtexture = texturenum + 1;
|
||||||
|
if( vbos.mintexture > texturenum )
|
||||||
|
vbos.mintexture = texturenum;
|
||||||
|
|
||||||
|
buildlightmap &= !r_fullbright->value && !!WORLDMODEL->lightdata;
|
||||||
|
|
||||||
|
// draw details in regular way
|
||||||
|
if( r_vbo_detail.value == 0 && surf->texinfo )
|
||||||
|
R_RenderDetailsForSurface( surf, surf->texinfo->texture );
|
||||||
|
|
||||||
|
if( buildlightmap && R_CheckLightMap( surf ))
|
||||||
|
{
|
||||||
|
// every vbotex has own lightmap chain (as we sorted if by textures to use multitexture)
|
||||||
|
surf->info->lightmapchain = vbotex->dlightchain;
|
||||||
|
vbotex->dlightchain = surf;
|
||||||
}
|
}
|
||||||
return false;
|
else
|
||||||
|
{
|
||||||
|
uint indexbase = vbos.surfdata[idx].startindex;
|
||||||
|
uint index;
|
||||||
|
|
||||||
|
// GL_TRIANGLE_FAN: 0 1 2 0 2 3 0 3 4 ...
|
||||||
|
for( index = indexbase + 2; index < indexbase + surf->polys->numverts; index++ )
|
||||||
|
{
|
||||||
|
vbotex->indexarray[vbotex->curindex++] = indexbase;
|
||||||
|
vbotex->indexarray[vbotex->curindex++] = index - 1;
|
||||||
|
vbotex->indexarray[vbotex->curindex++] = index;
|
||||||
|
}
|
||||||
|
|
||||||
|
// if surface has decals, add it to decal lightmapchain
|
||||||
|
if( surf->pdecals )
|
||||||
|
{
|
||||||
|
surf->info->lightmapchain = vbos.decaldata->lm[vbotex->lightmaptexturenum];
|
||||||
|
vbos.decaldata->lm[vbotex->lightmaptexturenum] = surf;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// now this path does not draw wapred surfaces, so count it as one poly
|
||||||
|
r_stats.c_world_polys++;
|
||||||
|
|
||||||
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue