mirror of
https://github.com/UberGames/ioef.git
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585 lines
14 KiB
C
585 lines
14 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "tr_local.h"
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/*
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=====================
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R_PerformanceCounters
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=====================
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*/
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void R_PerformanceCounters( void ) {
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if ( !r_speeds->integer ) {
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// clear the counters even if we aren't printing
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Com_Memset( &tr.pc, 0, sizeof( tr.pc ) );
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Com_Memset( &backEnd.pc, 0, sizeof( backEnd.pc ) );
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return;
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}
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if (r_speeds->integer == 1) {
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ri.Printf (PRINT_ALL, "%i/%i/%i shaders/batches/surfs %i leafs %i verts %i/%i tris %.2f mtex %.2f dc\n",
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backEnd.pc.c_shaders, backEnd.pc.c_surfBatches, backEnd.pc.c_surfaces, tr.pc.c_leafs, backEnd.pc.c_vertexes,
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backEnd.pc.c_indexes/3, backEnd.pc.c_totalIndexes/3,
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R_SumOfUsedImages()/(1000000.0f), backEnd.pc.c_overDraw / (float)(glConfig.vidWidth * glConfig.vidHeight) );
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} else if (r_speeds->integer == 2) {
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ri.Printf (PRINT_ALL, "(patch) %i sin %i sclip %i sout %i bin %i bclip %i bout\n",
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tr.pc.c_sphere_cull_patch_in, tr.pc.c_sphere_cull_patch_clip, tr.pc.c_sphere_cull_patch_out,
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tr.pc.c_box_cull_patch_in, tr.pc.c_box_cull_patch_clip, tr.pc.c_box_cull_patch_out );
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ri.Printf (PRINT_ALL, "(md3) %i sin %i sclip %i sout %i bin %i bclip %i bout\n",
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tr.pc.c_sphere_cull_md3_in, tr.pc.c_sphere_cull_md3_clip, tr.pc.c_sphere_cull_md3_out,
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tr.pc.c_box_cull_md3_in, tr.pc.c_box_cull_md3_clip, tr.pc.c_box_cull_md3_out );
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} else if (r_speeds->integer == 3) {
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ri.Printf (PRINT_ALL, "viewcluster: %i\n", tr.viewCluster );
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} else if (r_speeds->integer == 4) {
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if ( backEnd.pc.c_dlightVertexes ) {
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ri.Printf (PRINT_ALL, "dlight srf:%i culled:%i verts:%i tris:%i\n",
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tr.pc.c_dlightSurfaces, tr.pc.c_dlightSurfacesCulled,
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backEnd.pc.c_dlightVertexes, backEnd.pc.c_dlightIndexes / 3 );
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}
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}
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else if (r_speeds->integer == 5 )
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{
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ri.Printf( PRINT_ALL, "zFar: %.0f\n", tr.viewParms.zFar );
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}
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else if (r_speeds->integer == 6 )
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{
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ri.Printf( PRINT_ALL, "flare adds:%i tests:%i renders:%i\n",
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backEnd.pc.c_flareAdds, backEnd.pc.c_flareTests, backEnd.pc.c_flareRenders );
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}
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else if (r_speeds->integer == 7 )
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{
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ri.Printf( PRINT_ALL, "VAO draws: static %i dynamic %i\nMultidraws: %i merged %i\n",
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backEnd.pc.c_staticVaoDraws, backEnd.pc.c_dynamicVaoDraws, backEnd.pc.c_multidraws, backEnd.pc.c_multidrawsMerged );
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ri.Printf( PRINT_ALL, "GLSL binds: %i draws: gen %i light %i fog %i dlight %i\n",
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backEnd.pc.c_glslShaderBinds, backEnd.pc.c_genericDraws, backEnd.pc.c_lightallDraws, backEnd.pc.c_fogDraws, backEnd.pc.c_dlightDraws);
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}
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Com_Memset( &tr.pc, 0, sizeof( tr.pc ) );
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Com_Memset( &backEnd.pc, 0, sizeof( backEnd.pc ) );
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}
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/*
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====================
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R_IssueRenderCommands
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====================
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*/
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void R_IssueRenderCommands( qboolean runPerformanceCounters ) {
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renderCommandList_t *cmdList;
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cmdList = &backEndData->commands;
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assert(cmdList);
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// add an end-of-list command
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*(int *)(cmdList->cmds + cmdList->used) = RC_END_OF_LIST;
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// clear it out, in case this is a sync and not a buffer flip
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cmdList->used = 0;
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if ( runPerformanceCounters ) {
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R_PerformanceCounters();
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}
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// actually start the commands going
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if ( !r_skipBackEnd->integer ) {
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// let it start on the new batch
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RB_ExecuteRenderCommands( cmdList->cmds );
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}
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}
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/*
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====================
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R_IssuePendingRenderCommands
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Issue any pending commands and wait for them to complete.
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====================
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*/
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void R_IssuePendingRenderCommands( void ) {
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if ( !tr.registered ) {
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return;
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}
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R_IssueRenderCommands( qfalse );
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}
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/*
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============
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R_GetCommandBufferReserved
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make sure there is enough command space
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============
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*/
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void *R_GetCommandBufferReserved( int bytes, int reservedBytes ) {
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renderCommandList_t *cmdList;
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cmdList = &backEndData->commands;
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bytes = PAD(bytes, sizeof(void *));
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// always leave room for the end of list command
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if ( cmdList->used + bytes + sizeof( int ) + reservedBytes > MAX_RENDER_COMMANDS ) {
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if ( bytes > MAX_RENDER_COMMANDS - sizeof( int ) ) {
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ri.Error( ERR_FATAL, "R_GetCommandBuffer: bad size %i", bytes );
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}
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// if we run out of room, just start dropping commands
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return NULL;
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}
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cmdList->used += bytes;
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return cmdList->cmds + cmdList->used - bytes;
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}
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/*
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=============
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R_GetCommandBuffer
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returns NULL if there is not enough space for important commands
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=============
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*/
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void *R_GetCommandBuffer( int bytes ) {
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return R_GetCommandBufferReserved( bytes, PAD( sizeof( swapBuffersCommand_t ), sizeof(void *) ) );
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}
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/*
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=============
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R_AddDrawSurfCmd
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=============
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*/
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void R_AddDrawSurfCmd( drawSurf_t *drawSurfs, int numDrawSurfs ) {
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drawSurfsCommand_t *cmd;
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cmd = R_GetCommandBuffer( sizeof( *cmd ) );
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if ( !cmd ) {
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return;
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}
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cmd->commandId = RC_DRAW_SURFS;
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cmd->drawSurfs = drawSurfs;
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cmd->numDrawSurfs = numDrawSurfs;
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cmd->refdef = tr.refdef;
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cmd->viewParms = tr.viewParms;
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}
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/*
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=============
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R_AddCapShadowmapCmd
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=============
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*/
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void R_AddCapShadowmapCmd( int map, int cubeSide ) {
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capShadowmapCommand_t *cmd;
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cmd = R_GetCommandBuffer( sizeof( *cmd ) );
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if ( !cmd ) {
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return;
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}
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cmd->commandId = RC_CAPSHADOWMAP;
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cmd->map = map;
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cmd->cubeSide = cubeSide;
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}
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/*
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=============
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R_PostProcessingCmd
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=============
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*/
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void R_AddPostProcessCmd( ) {
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postProcessCommand_t *cmd;
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cmd = R_GetCommandBuffer( sizeof( *cmd ) );
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if ( !cmd ) {
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return;
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}
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cmd->commandId = RC_POSTPROCESS;
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cmd->refdef = tr.refdef;
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cmd->viewParms = tr.viewParms;
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}
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/*
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=============
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RE_SetColor
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Passing NULL will set the color to white
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=============
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*/
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void RE_SetColor( const float *rgba ) {
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setColorCommand_t *cmd;
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if ( !tr.registered ) {
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return;
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}
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cmd = R_GetCommandBuffer( sizeof( *cmd ) );
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if ( !cmd ) {
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return;
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}
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cmd->commandId = RC_SET_COLOR;
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if ( !rgba ) {
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static float colorWhite[4] = { 1, 1, 1, 1 };
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rgba = colorWhite;
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}
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cmd->color[0] = rgba[0];
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cmd->color[1] = rgba[1];
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cmd->color[2] = rgba[2];
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cmd->color[3] = rgba[3];
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}
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/*
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=============
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RE_StretchPic
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=============
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*/
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void RE_StretchPic ( float x, float y, float w, float h,
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float s1, float t1, float s2, float t2, qhandle_t hShader ) {
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stretchPicCommand_t *cmd;
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if (!tr.registered) {
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return;
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}
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cmd = R_GetCommandBuffer( sizeof( *cmd ) );
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if ( !cmd ) {
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return;
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}
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cmd->commandId = RC_STRETCH_PIC;
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cmd->shader = R_GetShaderByHandle( hShader );
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cmd->x = x;
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cmd->y = y;
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cmd->w = w;
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cmd->h = h;
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cmd->s1 = s1;
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cmd->t1 = t1;
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cmd->s2 = s2;
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cmd->t2 = t2;
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}
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#define MODE_RED_CYAN 1
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#define MODE_RED_BLUE 2
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#define MODE_RED_GREEN 3
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#define MODE_GREEN_MAGENTA 4
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#define MODE_MAX MODE_GREEN_MAGENTA
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void R_SetColorMode(GLboolean *rgba, stereoFrame_t stereoFrame, int colormode)
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{
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rgba[0] = rgba[1] = rgba[2] = rgba[3] = GL_TRUE;
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if(colormode > MODE_MAX)
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{
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if(stereoFrame == STEREO_LEFT)
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stereoFrame = STEREO_RIGHT;
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else if(stereoFrame == STEREO_RIGHT)
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stereoFrame = STEREO_LEFT;
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colormode -= MODE_MAX;
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}
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if(colormode == MODE_GREEN_MAGENTA)
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{
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if(stereoFrame == STEREO_LEFT)
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rgba[0] = rgba[2] = GL_FALSE;
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else if(stereoFrame == STEREO_RIGHT)
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rgba[1] = GL_FALSE;
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}
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else
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{
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if(stereoFrame == STEREO_LEFT)
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rgba[1] = rgba[2] = GL_FALSE;
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else if(stereoFrame == STEREO_RIGHT)
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{
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rgba[0] = GL_FALSE;
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if(colormode == MODE_RED_BLUE)
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rgba[1] = GL_FALSE;
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else if(colormode == MODE_RED_GREEN)
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rgba[2] = GL_FALSE;
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}
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}
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}
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/*
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====================
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RE_BeginFrame
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If running in stereo, RE_BeginFrame will be called twice
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for each RE_EndFrame
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====================
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*/
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void RE_BeginFrame( stereoFrame_t stereoFrame ) {
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drawBufferCommand_t *cmd = NULL;
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colorMaskCommand_t *colcmd = NULL;
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if ( !tr.registered ) {
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return;
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}
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glState.finishCalled = qfalse;
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tr.frameCount++;
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tr.frameSceneNum = 0;
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//
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// do overdraw measurement
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//
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if ( r_measureOverdraw->integer )
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{
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if ( glConfig.stencilBits < 4 )
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{
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ri.Printf( PRINT_ALL, "Warning: not enough stencil bits to measure overdraw: %d\n", glConfig.stencilBits );
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ri.Cvar_Set( "r_measureOverdraw", "0" );
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r_measureOverdraw->modified = qfalse;
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}
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else if ( r_shadows->integer == 2 )
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{
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ri.Printf( PRINT_ALL, "Warning: stencil shadows and overdraw measurement are mutually exclusive\n" );
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ri.Cvar_Set( "r_measureOverdraw", "0" );
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r_measureOverdraw->modified = qfalse;
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}
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else
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{
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R_IssuePendingRenderCommands();
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qglEnable( GL_STENCIL_TEST );
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qglStencilMask( ~0U );
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qglClearStencil( 0U );
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qglStencilFunc( GL_ALWAYS, 0U, ~0U );
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qglStencilOp( GL_KEEP, GL_INCR, GL_INCR );
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}
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r_measureOverdraw->modified = qfalse;
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}
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else
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{
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// this is only reached if it was on and is now off
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if ( r_measureOverdraw->modified ) {
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R_IssuePendingRenderCommands();
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qglDisable( GL_STENCIL_TEST );
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}
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r_measureOverdraw->modified = qfalse;
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}
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//
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// texturemode stuff
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//
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if ( r_textureMode->modified ) {
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R_IssuePendingRenderCommands();
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GL_TextureMode( r_textureMode->string );
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r_textureMode->modified = qfalse;
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}
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//
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// gamma stuff
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//
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if ( r_gamma->modified ) {
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r_gamma->modified = qfalse;
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R_IssuePendingRenderCommands();
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R_SetColorMappings();
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}
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// check for errors
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if ( !r_ignoreGLErrors->integer )
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{
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int err;
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R_IssuePendingRenderCommands();
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if ((err = qglGetError()) != GL_NO_ERROR)
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ri.Error(ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!", err);
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}
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if (glConfig.stereoEnabled) {
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if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
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return;
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cmd->commandId = RC_DRAW_BUFFER;
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if ( stereoFrame == STEREO_LEFT ) {
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cmd->buffer = (int)GL_BACK_LEFT;
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} else if ( stereoFrame == STEREO_RIGHT ) {
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cmd->buffer = (int)GL_BACK_RIGHT;
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} else {
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ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
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}
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}
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else
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{
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if(r_anaglyphMode->integer)
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{
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if(r_anaglyphMode->modified)
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{
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// clear both, front and backbuffer.
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qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
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backEnd.colorMask[0] = GL_FALSE;
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backEnd.colorMask[1] = GL_FALSE;
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backEnd.colorMask[2] = GL_FALSE;
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backEnd.colorMask[3] = GL_FALSE;
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if (glRefConfig.framebufferObject)
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{
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// clear all framebuffers
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if (tr.msaaResolveFbo)
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{
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FBO_Bind(tr.msaaResolveFbo);
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qglClear(GL_COLOR_BUFFER_BIT);
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}
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if (tr.renderFbo)
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{
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FBO_Bind(tr.renderFbo);
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qglClear(GL_COLOR_BUFFER_BIT);
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}
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FBO_Bind(NULL);
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}
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qglDrawBuffer(GL_FRONT);
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qglClear(GL_COLOR_BUFFER_BIT);
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qglDrawBuffer(GL_BACK);
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qglClear(GL_COLOR_BUFFER_BIT);
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r_anaglyphMode->modified = qfalse;
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}
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if(stereoFrame == STEREO_LEFT)
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{
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if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
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return;
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if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
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return;
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}
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else if(stereoFrame == STEREO_RIGHT)
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{
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clearDepthCommand_t *cldcmd;
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if( !(cldcmd = R_GetCommandBuffer(sizeof(*cldcmd))) )
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return;
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cldcmd->commandId = RC_CLEARDEPTH;
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if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
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return;
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}
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else
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ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
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R_SetColorMode(colcmd->rgba, stereoFrame, r_anaglyphMode->integer);
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colcmd->commandId = RC_COLORMASK;
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}
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else
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{
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if(stereoFrame != STEREO_CENTER)
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ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame );
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if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
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return;
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}
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if(cmd)
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{
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cmd->commandId = RC_DRAW_BUFFER;
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if(r_anaglyphMode->modified)
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{
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qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
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backEnd.colorMask[0] = 0;
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backEnd.colorMask[1] = 0;
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backEnd.colorMask[2] = 0;
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backEnd.colorMask[3] = 0;
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r_anaglyphMode->modified = qfalse;
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}
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if (!Q_stricmp(r_drawBuffer->string, "GL_FRONT"))
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cmd->buffer = (int)GL_FRONT;
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else
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cmd->buffer = (int)GL_BACK;
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}
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}
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tr.refdef.stereoFrame = stereoFrame;
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}
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/*
|
|
=============
|
|
RE_EndFrame
|
|
|
|
Returns the number of msec spent in the back end
|
|
=============
|
|
*/
|
|
void RE_EndFrame( int *frontEndMsec, int *backEndMsec ) {
|
|
swapBuffersCommand_t *cmd;
|
|
|
|
if ( !tr.registered ) {
|
|
return;
|
|
}
|
|
cmd = R_GetCommandBufferReserved( sizeof( *cmd ), 0 );
|
|
if ( !cmd ) {
|
|
return;
|
|
}
|
|
cmd->commandId = RC_SWAP_BUFFERS;
|
|
|
|
R_IssueRenderCommands( qtrue );
|
|
|
|
R_InitNextFrame();
|
|
|
|
if ( frontEndMsec ) {
|
|
*frontEndMsec = tr.frontEndMsec;
|
|
}
|
|
tr.frontEndMsec = 0;
|
|
if ( backEndMsec ) {
|
|
*backEndMsec = backEnd.pc.msec;
|
|
}
|
|
backEnd.pc.msec = 0;
|
|
}
|
|
|
|
/*
|
|
=============
|
|
RE_TakeVideoFrame
|
|
=============
|
|
*/
|
|
void RE_TakeVideoFrame( int width, int height,
|
|
byte *captureBuffer, byte *encodeBuffer, qboolean motionJpeg )
|
|
{
|
|
videoFrameCommand_t *cmd;
|
|
|
|
if( !tr.registered ) {
|
|
return;
|
|
}
|
|
|
|
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
|
|
if( !cmd ) {
|
|
return;
|
|
}
|
|
|
|
cmd->commandId = RC_VIDEOFRAME;
|
|
|
|
cmd->width = width;
|
|
cmd->height = height;
|
|
cmd->captureBuffer = captureBuffer;
|
|
cmd->encodeBuffer = encodeBuffer;
|
|
cmd->motionJpeg = motionJpeg;
|
|
}
|