mirror of
https://github.com/dhewm/dhewm3.git
synced 2024-12-12 22:02:06 +00:00
724ab1727c
r_skipDepthCapture is now called r_enableDepthCapture, and instead of being a bool it's now an int with -1 meaning "enable if soft particles are used"
2436 lines
57 KiB
C++
2436 lines
57 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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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 Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "sys/platform.h"
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#include "renderer/simplex.h" // line font definition
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#include "renderer/VertexCache.h"
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#include "renderer/Cinematic.h"
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#include "renderer/RenderWorld_local.h"
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#include "renderer/tr_local.h"
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#define MAX_DEBUG_LINES 16384
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typedef struct debugLine_s {
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idVec4 rgb;
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idVec3 start;
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idVec3 end;
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bool depthTest;
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int lifeTime;
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} debugLine_t;
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debugLine_t rb_debugLines[ MAX_DEBUG_LINES ];
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int rb_numDebugLines = 0;
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int rb_debugLineTime = 0;
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#define MAX_DEBUG_TEXT 512
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typedef struct debugText_s {
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idStr text;
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idVec3 origin;
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float scale;
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idVec4 color;
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idMat3 viewAxis;
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int align;
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int lifeTime;
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bool depthTest;
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} debugText_t;
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debugText_t rb_debugText[ MAX_DEBUG_TEXT ];
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int rb_numDebugText = 0;
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int rb_debugTextTime = 0;
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#define MAX_DEBUG_POLYGONS 8192
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typedef struct debugPolygon_s {
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idVec4 rgb;
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idWinding winding;
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bool depthTest;
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int lifeTime;
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} debugPolygon_t;
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debugPolygon_t rb_debugPolygons[ MAX_DEBUG_POLYGONS ];
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int rb_numDebugPolygons = 0;
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int rb_debugPolygonTime = 0;
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static void RB_DrawText( const char *text, const idVec3 &origin, float scale, const idVec4 &color, const idMat3 &viewAxis, const int align );
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/*
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================
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RB_DrawBounds
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================
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*/
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void RB_DrawBounds( const idBounds &bounds ) {
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if ( bounds.IsCleared() ) {
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return;
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}
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qglBegin( GL_LINE_LOOP );
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qglVertex3f( bounds[0][0], bounds[0][1], bounds[0][2] );
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qglVertex3f( bounds[0][0], bounds[1][1], bounds[0][2] );
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qglVertex3f( bounds[1][0], bounds[1][1], bounds[0][2] );
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qglVertex3f( bounds[1][0], bounds[0][1], bounds[0][2] );
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qglEnd();
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qglBegin( GL_LINE_LOOP );
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qglVertex3f( bounds[0][0], bounds[0][1], bounds[1][2] );
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qglVertex3f( bounds[0][0], bounds[1][1], bounds[1][2] );
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qglVertex3f( bounds[1][0], bounds[1][1], bounds[1][2] );
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qglVertex3f( bounds[1][0], bounds[0][1], bounds[1][2] );
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qglEnd();
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qglBegin( GL_LINES );
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qglVertex3f( bounds[0][0], bounds[0][1], bounds[0][2] );
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qglVertex3f( bounds[0][0], bounds[0][1], bounds[1][2] );
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qglVertex3f( bounds[0][0], bounds[1][1], bounds[0][2] );
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qglVertex3f( bounds[0][0], bounds[1][1], bounds[1][2] );
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qglVertex3f( bounds[1][0], bounds[0][1], bounds[0][2] );
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qglVertex3f( bounds[1][0], bounds[0][1], bounds[1][2] );
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qglVertex3f( bounds[1][0], bounds[1][1], bounds[0][2] );
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qglVertex3f( bounds[1][0], bounds[1][1], bounds[1][2] );
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qglEnd();
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}
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/*
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================
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RB_SimpleSurfaceSetup
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================
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*/
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void RB_SimpleSurfaceSetup( const drawSurf_t *drawSurf ) {
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// change the matrix if needed
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if ( drawSurf->space != backEnd.currentSpace ) {
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qglLoadMatrixf( drawSurf->space->modelViewMatrix );
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backEnd.currentSpace = drawSurf->space;
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}
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// change the scissor if needed
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if ( r_useScissor.GetBool() && !backEnd.currentScissor.Equals( drawSurf->scissorRect ) ) {
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backEnd.currentScissor = drawSurf->scissorRect;
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qglScissor( backEnd.viewDef->viewport.x1 + backEnd.currentScissor.x1,
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backEnd.viewDef->viewport.y1 + backEnd.currentScissor.y1,
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backEnd.currentScissor.x2 + 1 - backEnd.currentScissor.x1,
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backEnd.currentScissor.y2 + 1 - backEnd.currentScissor.y1 );
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}
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}
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/*
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================
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RB_SimpleWorldSetup
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================
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*/
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void RB_SimpleWorldSetup( void ) {
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backEnd.currentSpace = &backEnd.viewDef->worldSpace;
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qglLoadMatrixf( backEnd.viewDef->worldSpace.modelViewMatrix );
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backEnd.currentScissor = backEnd.viewDef->scissor;
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qglScissor( backEnd.viewDef->viewport.x1 + backEnd.currentScissor.x1,
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backEnd.viewDef->viewport.y1 + backEnd.currentScissor.y1,
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backEnd.currentScissor.x2 + 1 - backEnd.currentScissor.x1,
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backEnd.currentScissor.y2 + 1 - backEnd.currentScissor.y1 );
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}
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/*
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=================
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RB_PolygonClear
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This will cover the entire screen with normal rasterization.
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Texturing is disabled, but the existing glColor, glDepthMask,
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glColorMask, and the enabled state of depth buffering and
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stenciling will matter.
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=================
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*/
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void RB_PolygonClear( void ) {
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qglPushMatrix();
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qglPushAttrib( GL_ALL_ATTRIB_BITS );
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qglLoadIdentity();
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qglDisable( GL_TEXTURE_2D );
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qglDisable( GL_DEPTH_TEST );
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qglDisable( GL_CULL_FACE );
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qglDisable( GL_SCISSOR_TEST );
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qglBegin( GL_POLYGON );
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qglVertex3f( -20, -20, -10 );
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qglVertex3f( 20, -20, -10 );
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qglVertex3f( 20, 20, -10 );
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qglVertex3f( -20, 20, -10 );
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qglEnd();
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qglPopAttrib();
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qglPopMatrix();
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}
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/*
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====================
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RB_ShowDestinationAlpha
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====================
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*/
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void RB_ShowDestinationAlpha( void ) {
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GL_State( GLS_SRCBLEND_DST_ALPHA | GLS_DSTBLEND_ZERO | GLS_DEPTHMASK | GLS_DEPTHFUNC_ALWAYS );
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qglColor3f( 1, 1, 1 );
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RB_PolygonClear();
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}
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/*
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===================
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RB_ScanStencilBuffer
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Debugging tool to see what values are in the stencil buffer
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===================
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*/
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void RB_ScanStencilBuffer( void ) {
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int counts[256];
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int i;
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byte *stencilReadback;
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memset( counts, 0, sizeof( counts ) );
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stencilReadback = (byte *)R_StaticAlloc( glConfig.vidWidth * glConfig.vidHeight );
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qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, stencilReadback );
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for ( i = 0; i < glConfig.vidWidth * glConfig.vidHeight; i++ ) {
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counts[ stencilReadback[i] ]++;
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}
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R_StaticFree( stencilReadback );
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// print some stats (not supposed to do from back end in SMP...)
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common->Printf( "stencil values:\n" );
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for ( i = 0 ; i < 255 ; i++ ) {
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if ( counts[i] ) {
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common->Printf( "%i: %i\n", i, counts[i] );
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}
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}
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}
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/*
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===================
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RB_CountStencilBuffer
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Print an overdraw count based on stencil index values
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===================
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*/
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void RB_CountStencilBuffer( void ) {
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int count;
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int i;
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byte *stencilReadback;
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stencilReadback = (byte *)R_StaticAlloc( glConfig.vidWidth * glConfig.vidHeight );
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qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, stencilReadback );
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count = 0;
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for ( i = 0; i < glConfig.vidWidth * glConfig.vidHeight; i++ ) {
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count += stencilReadback[i];
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}
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R_StaticFree( stencilReadback );
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// print some stats (not supposed to do from back end in SMP...)
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common->Printf( "overdraw: %5.1f\n", (float)count/(glConfig.vidWidth * glConfig.vidHeight) );
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}
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/*
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===================
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R_ColorByStencilBuffer
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Sets the screen colors based on the contents of the
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stencil buffer. Stencil of 0 = black, 1 = red, 2 = green,
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3 = blue, ..., 7+ = white
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===================
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*/
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static void R_ColorByStencilBuffer( void ) {
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int i;
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static float colors[8][3] = {
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{0,0,0},
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{1,0,0},
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{0,1,0},
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{0,0,1},
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{0,1,1},
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{1,0,1},
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{1,1,0},
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{1,1,1},
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};
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// clear color buffer to white (>6 passes)
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qglClearColor( 1, 1, 1, 1 );
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qglDisable( GL_SCISSOR_TEST );
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qglClear( GL_COLOR_BUFFER_BIT );
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// now draw color for each stencil value
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qglStencilOp( GL_KEEP, GL_KEEP, GL_KEEP );
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for ( i = 0 ; i < 6 ; i++ ) {
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qglColor3fv( colors[i] );
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qglStencilFunc( GL_EQUAL, i, 255 );
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RB_PolygonClear();
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}
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qglStencilFunc( GL_ALWAYS, 0, 255 );
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}
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//======================================================================
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/*
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==================
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RB_ShowOverdraw
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==================
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*/
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void RB_ShowOverdraw( void ) {
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const idMaterial * material;
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int i;
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drawSurf_t * * drawSurfs;
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const drawSurf_t * surf;
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int numDrawSurfs;
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viewLight_t * vLight;
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if ( r_showOverDraw.GetInteger() == 0 ) {
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return;
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}
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material = declManager->FindMaterial( "textures/common/overdrawtest", false );
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if ( material == NULL ) {
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return;
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}
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drawSurfs = backEnd.viewDef->drawSurfs;
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numDrawSurfs = backEnd.viewDef->numDrawSurfs;
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int interactions = 0;
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for ( vLight = backEnd.viewDef->viewLights; vLight; vLight = vLight->next ) {
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for ( surf = vLight->localInteractions; surf; surf = surf->nextOnLight ) {
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interactions++;
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}
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for ( surf = vLight->globalInteractions; surf; surf = surf->nextOnLight ) {
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interactions++;
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}
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}
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drawSurf_t **newDrawSurfs = (drawSurf_t **)R_FrameAlloc( numDrawSurfs + interactions * sizeof( newDrawSurfs[0] ) );
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for ( i = 0; i < numDrawSurfs; i++ ) {
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surf = drawSurfs[i];
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if ( surf->material ) {
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const_cast<drawSurf_t *>(surf)->material = material;
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}
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newDrawSurfs[i] = const_cast<drawSurf_t *>(surf);
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}
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for ( vLight = backEnd.viewDef->viewLights; vLight; vLight = vLight->next ) {
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for ( surf = vLight->localInteractions; surf; surf = surf->nextOnLight ) {
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const_cast<drawSurf_t *>(surf)->material = material;
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newDrawSurfs[i++] = const_cast<drawSurf_t *>(surf);
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}
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for ( surf = vLight->globalInteractions; surf; surf = surf->nextOnLight ) {
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const_cast<drawSurf_t *>(surf)->material = material;
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newDrawSurfs[i++] = const_cast<drawSurf_t *>(surf);
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}
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vLight->localInteractions = NULL;
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vLight->globalInteractions = NULL;
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}
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switch( r_showOverDraw.GetInteger() ) {
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case 1: // geometry overdraw
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const_cast<viewDef_t *>(backEnd.viewDef)->drawSurfs = newDrawSurfs;
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const_cast<viewDef_t *>(backEnd.viewDef)->numDrawSurfs = numDrawSurfs;
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break;
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case 2: // light interaction overdraw
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const_cast<viewDef_t *>(backEnd.viewDef)->drawSurfs = &newDrawSurfs[numDrawSurfs];
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const_cast<viewDef_t *>(backEnd.viewDef)->numDrawSurfs = interactions;
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break;
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case 3: // geometry + light interaction overdraw
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const_cast<viewDef_t *>(backEnd.viewDef)->drawSurfs = newDrawSurfs;
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const_cast<viewDef_t *>(backEnd.viewDef)->numDrawSurfs += interactions;
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break;
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}
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}
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/*
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===================
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RB_ShowIntensity
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Debugging tool to see how much dynamic range a scene is using.
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The greatest of the rgb values at each pixel will be used, with
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the resulting color shading from red at 0 to green at 128 to blue at 255
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===================
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*/
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void RB_ShowIntensity( void ) {
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byte *colorReadback;
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int i, j, c;
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if ( !r_showIntensity.GetBool() ) {
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return;
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}
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colorReadback = (byte *)R_StaticAlloc( glConfig.vidWidth * glConfig.vidHeight * 4 );
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qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_RGBA, GL_UNSIGNED_BYTE, colorReadback );
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c = glConfig.vidWidth * glConfig.vidHeight * 4;
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for ( i = 0; i < c ; i+=4 ) {
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j = colorReadback[i];
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if ( colorReadback[i+1] > j ) {
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j = colorReadback[i+1];
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}
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if ( colorReadback[i+2] > j ) {
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j = colorReadback[i+2];
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}
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if ( j < 128 ) {
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colorReadback[i+0] = 2*(128-j);
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colorReadback[i+1] = 2*j;
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colorReadback[i+2] = 0;
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} else {
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colorReadback[i+0] = 0;
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colorReadback[i+1] = 2*(255-j);
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colorReadback[i+2] = 2*(j-128);
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}
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}
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// draw it back to the screen
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qglLoadIdentity();
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qglMatrixMode( GL_PROJECTION );
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GL_State( GLS_DEPTHFUNC_ALWAYS );
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qglPushMatrix();
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qglLoadIdentity();
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qglOrtho( 0, 1, 0, 1, -1, 1 );
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qglRasterPos2f( 0, 0 );
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qglPopMatrix();
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qglColor3f( 1, 1, 1 );
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globalImages->BindNull();
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qglMatrixMode( GL_MODELVIEW );
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qglDrawPixels( glConfig.vidWidth, glConfig.vidHeight, GL_RGBA , GL_UNSIGNED_BYTE, colorReadback );
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R_StaticFree( colorReadback );
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}
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/*
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===================
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RB_ShowDepthBuffer
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Draw the depth buffer as colors
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===================
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*/
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void RB_ShowDepthBuffer( void ) {
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if ( !r_showDepth.GetBool() ) {
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return;
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}
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qglPushMatrix();
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qglLoadIdentity();
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qglMatrixMode( GL_PROJECTION );
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qglPushMatrix();
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qglLoadIdentity();
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qglOrtho( 0, 1, 0, 1, -1, 1 );
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qglRasterPos2f( 0, 0 );
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GL_State( GLS_DEPTHFUNC_ALWAYS );
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qglColor3f( 1, 1, 1 );
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bool haveDepthCapture = r_enableDepthCapture.GetInteger() == 1
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|| (r_enableDepthCapture.GetInteger() == -1 && r_useSoftParticles.GetBool());
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if ( haveDepthCapture ) {
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//GL_SelectTexture( 0 );
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//qglEnable(GL_TEXTURE_2D);
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globalImages->currentDepthImage->Bind();
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const float x=0, y=0, w=1, h=1;
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// debug values:
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//const float x = 0.1, y = 0.1, w = 0.8, h = 0.8;
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//qglColor4f( 0.0f, 0.0f, 0.5f, 1.0f );
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const float tx=0, ty=0;
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// the actual texturesize of currentDepthImage is the next bigger power of two (POT),
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// so the normalized width/height of the part of it we actually wanna show is the following
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const float tw = float(glConfig.vidWidth) / float(globalImages->currentDepthImage->uploadWidth);
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const float th = float(glConfig.vidHeight) / float(globalImages->currentDepthImage->uploadHeight);
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qglBegin( GL_QUADS );
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qglTexCoord2f(tx, ty);
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qglVertex2f( x, y ); // ( 0,0 );
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qglTexCoord2f(tx, ty+th);
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qglVertex2f( x, y+h ); // ( 0,1 );
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qglTexCoord2f(tx+tw, ty+th);
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qglVertex2f( x+w, y+h ); // ( 1,1 );
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qglTexCoord2f(tx+tw, ty);
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qglVertex2f( x+w, y ); // ( 1,0 );
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qglEnd();
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// TODO: probably a shader transforming this to something viewable
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|
|
qglPopMatrix();
|
|
qglMatrixMode( GL_MODELVIEW );
|
|
qglPopMatrix();
|
|
|
|
} else {
|
|
qglPopMatrix();
|
|
qglMatrixMode( GL_MODELVIEW );
|
|
qglPopMatrix();
|
|
globalImages->BindNull();
|
|
|
|
void* depthReadback = R_StaticAlloc( glConfig.vidWidth * glConfig.vidHeight*4 );
|
|
memset( depthReadback, 0, glConfig.vidWidth * glConfig.vidHeight*4 );
|
|
|
|
qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_DEPTH_COMPONENT , GL_FLOAT, depthReadback );
|
|
#if 0 // the following looks better, but is different from the !r_skipDepthCapture.GetBool() case above
|
|
// (which draws the captured depth buffer unaltered, unless we add a shader)
|
|
for ( int i = 0, n=glConfig.vidWidth * glConfig.vidHeight; i < n ; i++ ) {
|
|
float& px = ((float *)depthReadback)[i];
|
|
float d = px;
|
|
// the following calculation is based on how the TDM soft particle shader translates the depth value to doom units
|
|
|
|
// 0.9995 is practically infinite distance, clamping to 0.9994 clamps to max 30k doom units,
|
|
// which is more than enough (and prevents a potential division by 0 below)
|
|
d = (d < 0.9994f) ? d : 0.9994f;
|
|
|
|
d = d - 0.9995f; // d is now negative, between -0.0001 and -0.9995
|
|
d = 1.0f / d;
|
|
// d *= -3.0f; // this would translate d to distance in doom units, doing it together with the next step
|
|
|
|
d *= (-3.0f / 3000.0f); // now 3000 units is 1.0, i.e. completely white (=> more details for closer distances)
|
|
px = d;
|
|
}
|
|
#endif
|
|
qglDrawPixels( glConfig.vidWidth, glConfig.vidHeight, GL_LUMINANCE, GL_FLOAT, depthReadback );
|
|
R_StaticFree( depthReadback );
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
RB_ShowLightCount
|
|
|
|
This is a debugging tool that will draw each surface with a color
|
|
based on how many lights are effecting it
|
|
=================
|
|
*/
|
|
void RB_ShowLightCount( void ) {
|
|
int i;
|
|
const drawSurf_t *surf;
|
|
const viewLight_t *vLight;
|
|
|
|
if ( !r_showLightCount.GetBool() ) {
|
|
return;
|
|
}
|
|
|
|
GL_State( GLS_DEPTHFUNC_EQUAL );
|
|
|
|
RB_SimpleWorldSetup();
|
|
qglClearStencil( 0 );
|
|
qglClear( GL_STENCIL_BUFFER_BIT );
|
|
|
|
qglEnable( GL_STENCIL_TEST );
|
|
|
|
// optionally count everything through walls
|
|
if ( r_showLightCount.GetInteger() >= 2 ) {
|
|
qglStencilOp( GL_KEEP, GL_INCR, GL_INCR );
|
|
} else {
|
|
qglStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
|
|
}
|
|
|
|
qglStencilFunc( GL_ALWAYS, 1, 255 );
|
|
|
|
globalImages->defaultImage->Bind();
|
|
|
|
for ( vLight = backEnd.viewDef->viewLights ; vLight ; vLight = vLight->next ) {
|
|
for ( i = 0 ; i < 2 ; i++ ) {
|
|
for ( surf = i ? vLight->localInteractions: vLight->globalInteractions; surf; surf = (drawSurf_t *)surf->nextOnLight ) {
|
|
RB_SimpleSurfaceSetup( surf );
|
|
if ( !surf->geo->ambientCache ) {
|
|
continue;
|
|
}
|
|
|
|
const idDrawVert *ac = (idDrawVert *)vertexCache.Position( surf->geo->ambientCache );
|
|
qglVertexPointer( 3, GL_FLOAT, sizeof( idDrawVert ), &ac->xyz );
|
|
RB_DrawElementsWithCounters( surf->geo );
|
|
}
|
|
}
|
|
}
|
|
|
|
// display the results
|
|
R_ColorByStencilBuffer();
|
|
|
|
if ( r_showLightCount.GetInteger() > 2 ) {
|
|
RB_CountStencilBuffer();
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
RB_ShowSilhouette
|
|
|
|
Blacks out all edges, then adds color for each edge that a shadow
|
|
plane extends from, allowing you to see doubled edges
|
|
=================
|
|
*/
|
|
void RB_ShowSilhouette( void ) {
|
|
int i;
|
|
const drawSurf_t *surf;
|
|
const viewLight_t *vLight;
|
|
|
|
if ( !r_showSilhouette.GetBool() ) {
|
|
return;
|
|
}
|
|
|
|
//
|
|
// clear all triangle edges to black
|
|
//
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
globalImages->BindNull();
|
|
qglDisable( GL_TEXTURE_2D );
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
qglColor3f( 0, 0, 0 );
|
|
|
|
GL_State( GLS_POLYMODE_LINE );
|
|
|
|
GL_Cull( CT_TWO_SIDED );
|
|
qglDisable( GL_DEPTH_TEST );
|
|
|
|
RB_RenderDrawSurfListWithFunction( backEnd.viewDef->drawSurfs, backEnd.viewDef->numDrawSurfs,
|
|
RB_T_RenderTriangleSurface );
|
|
|
|
|
|
//
|
|
// now blend in edges that cast silhouettes
|
|
//
|
|
RB_SimpleWorldSetup();
|
|
qglColor3f( 0.5, 0, 0 );
|
|
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE );
|
|
|
|
for ( vLight = backEnd.viewDef->viewLights ; vLight ; vLight = vLight->next ) {
|
|
for ( i = 0 ; i < 2 ; i++ ) {
|
|
for ( surf = i ? vLight->localShadows : vLight->globalShadows
|
|
; surf ; surf = (drawSurf_t *)surf->nextOnLight ) {
|
|
RB_SimpleSurfaceSetup( surf );
|
|
|
|
const srfTriangles_t *tri = surf->geo;
|
|
|
|
qglVertexPointer( 3, GL_FLOAT, sizeof( shadowCache_t ), vertexCache.Position( tri->shadowCache ) );
|
|
qglBegin( GL_LINES );
|
|
|
|
for ( int j = 0 ; j < tri->numIndexes ; j+=3 ) {
|
|
int i1 = tri->indexes[j+0];
|
|
int i2 = tri->indexes[j+1];
|
|
int i3 = tri->indexes[j+2];
|
|
|
|
if ( (i1 & 1) + (i2 & 1) + (i3 & 1) == 1 ) {
|
|
if ( (i1 & 1) + (i2 & 1) == 0 ) {
|
|
qglArrayElement( i1 );
|
|
qglArrayElement( i2 );
|
|
} else if ( (i1 & 1 ) + (i3 & 1) == 0 ) {
|
|
qglArrayElement( i1 );
|
|
qglArrayElement( i3 );
|
|
}
|
|
}
|
|
}
|
|
qglEnd();
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
qglEnable( GL_DEPTH_TEST );
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
qglColor3f( 1,1,1 );
|
|
GL_Cull( CT_FRONT_SIDED );
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
=================
|
|
RB_ShowShadowCount
|
|
|
|
This is a debugging tool that will draw only the shadow volumes
|
|
and count up the total fill usage
|
|
=================
|
|
*/
|
|
static void RB_ShowShadowCount( void ) {
|
|
int i;
|
|
const drawSurf_t *surf;
|
|
const viewLight_t *vLight;
|
|
|
|
if ( !r_showShadowCount.GetBool() ) {
|
|
return;
|
|
}
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
|
|
qglClearStencil( 0 );
|
|
qglClear( GL_STENCIL_BUFFER_BIT );
|
|
|
|
qglEnable( GL_STENCIL_TEST );
|
|
|
|
qglStencilOp( GL_KEEP, GL_INCR, GL_INCR );
|
|
|
|
qglStencilFunc( GL_ALWAYS, 1, 255 );
|
|
|
|
globalImages->defaultImage->Bind();
|
|
|
|
// draw both sides
|
|
GL_Cull( CT_TWO_SIDED );
|
|
|
|
for ( vLight = backEnd.viewDef->viewLights ; vLight ; vLight = vLight->next ) {
|
|
for ( i = 0 ; i < 2 ; i++ ) {
|
|
for ( surf = i ? vLight->localShadows : vLight->globalShadows
|
|
; surf ; surf = (drawSurf_t *)surf->nextOnLight ) {
|
|
RB_SimpleSurfaceSetup( surf );
|
|
const srfTriangles_t *tri = surf->geo;
|
|
if ( !tri->shadowCache ) {
|
|
continue;
|
|
}
|
|
|
|
if ( r_showShadowCount.GetInteger() == 3 ) {
|
|
// only show turboshadows
|
|
if ( tri->numShadowIndexesNoCaps != tri->numIndexes ) {
|
|
continue;
|
|
}
|
|
}
|
|
if ( r_showShadowCount.GetInteger() == 4 ) {
|
|
// only show static shadows
|
|
if ( tri->numShadowIndexesNoCaps == tri->numIndexes ) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
shadowCache_t *cache = (shadowCache_t *)vertexCache.Position( tri->shadowCache );
|
|
qglVertexPointer( 4, GL_FLOAT, sizeof( *cache ), &cache->xyz );
|
|
RB_DrawElementsWithCounters( tri );
|
|
}
|
|
}
|
|
}
|
|
|
|
// display the results
|
|
R_ColorByStencilBuffer();
|
|
|
|
if ( r_showShadowCount.GetInteger() == 2 ) {
|
|
common->Printf( "all shadows " );
|
|
} else if ( r_showShadowCount.GetInteger() == 3 ) {
|
|
common->Printf( "turboShadows " );
|
|
} else if ( r_showShadowCount.GetInteger() == 4 ) {
|
|
common->Printf( "static shadows " );
|
|
}
|
|
|
|
if ( r_showShadowCount.GetInteger() >= 2 ) {
|
|
RB_CountStencilBuffer();
|
|
}
|
|
|
|
GL_Cull( CT_FRONT_SIDED );
|
|
}
|
|
|
|
|
|
/*
|
|
===============
|
|
RB_T_RenderTriangleSurfaceAsLines
|
|
|
|
===============
|
|
*/
|
|
void RB_T_RenderTriangleSurfaceAsLines( const drawSurf_t *surf ) {
|
|
const srfTriangles_t *tri = surf->geo;
|
|
|
|
if ( !tri->verts ) {
|
|
return;
|
|
}
|
|
|
|
qglBegin( GL_LINES );
|
|
for ( int i = 0 ; i < tri->numIndexes ; i+= 3 ) {
|
|
for ( int j = 0 ; j < 3 ; j++ ) {
|
|
int k = ( j + 1 ) % 3;
|
|
qglVertex3fv( tri->verts[ tri->silIndexes[i+j] ].xyz.ToFloatPtr() );
|
|
qglVertex3fv( tri->verts[ tri->silIndexes[i+k] ].xyz.ToFloatPtr() );
|
|
}
|
|
}
|
|
qglEnd();
|
|
}
|
|
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowTris
|
|
|
|
Debugging tool
|
|
=====================
|
|
*/
|
|
static void RB_ShowTris( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
idVec3 end;
|
|
|
|
if ( !r_showTris.GetInteger() ) {
|
|
return;
|
|
}
|
|
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
globalImages->BindNull();
|
|
qglDisable( GL_TEXTURE_2D );
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
qglColor3f( 1, 1, 1 );
|
|
|
|
|
|
GL_State( GLS_POLYMODE_LINE );
|
|
|
|
switch ( r_showTris.GetInteger() ) {
|
|
case 1: // only draw visible ones
|
|
qglPolygonOffset( -1, -2 );
|
|
qglEnable( GL_POLYGON_OFFSET_LINE );
|
|
break;
|
|
default:
|
|
case 2: // draw all front facing
|
|
GL_Cull( CT_FRONT_SIDED );
|
|
qglDisable( GL_DEPTH_TEST );
|
|
break;
|
|
case 3: // draw all
|
|
GL_Cull( CT_TWO_SIDED );
|
|
qglDisable( GL_DEPTH_TEST );
|
|
break;
|
|
}
|
|
|
|
RB_RenderDrawSurfListWithFunction( drawSurfs, numDrawSurfs, RB_T_RenderTriangleSurface );
|
|
|
|
qglEnable( GL_DEPTH_TEST );
|
|
qglDisable( GL_POLYGON_OFFSET_LINE );
|
|
|
|
qglDepthRange( 0, 1 );
|
|
GL_State( GLS_DEFAULT );
|
|
GL_Cull( CT_FRONT_SIDED );
|
|
}
|
|
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowSurfaceInfo
|
|
|
|
Debugging tool
|
|
=====================
|
|
*/
|
|
static void RB_ShowSurfaceInfo( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
modelTrace_t mt;
|
|
idVec3 start, end;
|
|
|
|
if ( !r_showSurfaceInfo.GetBool() ) {
|
|
return;
|
|
}
|
|
|
|
// start far enough away that we don't hit the player model
|
|
start = tr.primaryView->renderView.vieworg + tr.primaryView->renderView.viewaxis[0] * 16;
|
|
end = start + tr.primaryView->renderView.viewaxis[0] * 1000.0f;
|
|
if ( !tr.primaryWorld->Trace( mt, start, end, 0.0f, false ) ) {
|
|
return;
|
|
}
|
|
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
globalImages->BindNull();
|
|
qglDisable( GL_TEXTURE_2D );
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
qglColor3f( 1, 1, 1 );
|
|
|
|
GL_State( GLS_POLYMODE_LINE );
|
|
|
|
qglPolygonOffset( -1, -2 );
|
|
qglEnable( GL_POLYGON_OFFSET_LINE );
|
|
|
|
float matrix[16];
|
|
|
|
// transform the object verts into global space
|
|
R_AxisToModelMatrix( mt.entity->axis, mt.entity->origin, matrix );
|
|
|
|
tr.primaryWorld->DrawText( mt.entity->hModel->Name(), mt.point + tr.primaryView->renderView.viewaxis[2] * 12,
|
|
0.35f, colorRed, tr.primaryView->renderView.viewaxis );
|
|
tr.primaryWorld->DrawText( mt.material->GetName(), mt.point,
|
|
0.35f, colorBlue, tr.primaryView->renderView.viewaxis );
|
|
|
|
qglEnable( GL_DEPTH_TEST );
|
|
qglDisable( GL_POLYGON_OFFSET_LINE );
|
|
|
|
qglDepthRange( 0, 1 );
|
|
GL_State( GLS_DEFAULT );
|
|
GL_Cull( CT_FRONT_SIDED );
|
|
}
|
|
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowViewEntitys
|
|
|
|
Debugging tool
|
|
=====================
|
|
*/
|
|
static void RB_ShowViewEntitys( viewEntity_t *vModels ) {
|
|
if ( !r_showViewEntitys.GetBool() ) {
|
|
return;
|
|
}
|
|
if ( r_showViewEntitys.GetInteger() == 2 ) {
|
|
common->Printf( "view entities: " );
|
|
for ( ; vModels ; vModels = vModels->next ) {
|
|
common->Printf( "%i ", vModels->entityDef->index );
|
|
}
|
|
common->Printf( "\n" );
|
|
return;
|
|
}
|
|
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
globalImages->BindNull();
|
|
qglDisable( GL_TEXTURE_2D );
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
qglColor3f( 1, 1, 1 );
|
|
|
|
|
|
GL_State( GLS_POLYMODE_LINE );
|
|
|
|
GL_Cull( CT_TWO_SIDED );
|
|
qglDisable( GL_DEPTH_TEST );
|
|
qglDisable( GL_SCISSOR_TEST );
|
|
|
|
for ( ; vModels ; vModels = vModels->next ) {
|
|
idBounds b;
|
|
|
|
qglLoadMatrixf( vModels->modelViewMatrix );
|
|
|
|
if ( !vModels->entityDef ) {
|
|
continue;
|
|
}
|
|
|
|
// draw the reference bounds in yellow
|
|
qglColor3f( 1, 1, 0 );
|
|
RB_DrawBounds( vModels->entityDef->referenceBounds );
|
|
|
|
|
|
// draw the model bounds in white
|
|
qglColor3f( 1, 1, 1 );
|
|
|
|
idRenderModel *model = R_EntityDefDynamicModel( vModels->entityDef );
|
|
if ( !model ) {
|
|
continue; // particles won't instantiate without a current view
|
|
}
|
|
b = model->Bounds( &vModels->entityDef->parms );
|
|
RB_DrawBounds( b );
|
|
}
|
|
|
|
qglEnable( GL_DEPTH_TEST );
|
|
qglDisable( GL_POLYGON_OFFSET_LINE );
|
|
|
|
qglDepthRange( 0, 1 );
|
|
GL_State( GLS_DEFAULT );
|
|
GL_Cull( CT_FRONT_SIDED );
|
|
}
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowTexturePolarity
|
|
|
|
Shade triangle red if they have a positive texture area
|
|
green if they have a negative texture area, or blue if degenerate area
|
|
=====================
|
|
*/
|
|
static void RB_ShowTexturePolarity( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
int i, j;
|
|
drawSurf_t *drawSurf;
|
|
const srfTriangles_t *tri;
|
|
|
|
if ( !r_showTexturePolarity.GetBool() ) {
|
|
return;
|
|
}
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
globalImages->BindNull();
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA );
|
|
|
|
qglColor3f( 1, 1, 1 );
|
|
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
tri = drawSurf->geo;
|
|
if ( !tri->verts ) {
|
|
continue;
|
|
}
|
|
|
|
RB_SimpleSurfaceSetup( drawSurf );
|
|
|
|
qglBegin( GL_TRIANGLES );
|
|
for ( j = 0 ; j < tri->numIndexes ; j+=3 ) {
|
|
idDrawVert *a, *b, *c;
|
|
float d0[5], d1[5];
|
|
float area;
|
|
|
|
a = tri->verts + tri->indexes[j];
|
|
b = tri->verts + tri->indexes[j+1];
|
|
c = tri->verts + tri->indexes[j+2];
|
|
|
|
// VectorSubtract( b->xyz, a->xyz, d0 );
|
|
d0[3] = b->st[0] - a->st[0];
|
|
d0[4] = b->st[1] - a->st[1];
|
|
// VectorSubtract( c->xyz, a->xyz, d1 );
|
|
d1[3] = c->st[0] - a->st[0];
|
|
d1[4] = c->st[1] - a->st[1];
|
|
|
|
area = d0[3] * d1[4] - d0[4] * d1[3];
|
|
|
|
if ( idMath::Fabs( area ) < 0.0001 ) {
|
|
qglColor4f( 0, 0, 1, 0.5 );
|
|
} else if ( area < 0 ) {
|
|
qglColor4f( 1, 0, 0, 0.5 );
|
|
} else {
|
|
qglColor4f( 0, 1, 0, 0.5 );
|
|
}
|
|
qglVertex3fv( a->xyz.ToFloatPtr() );
|
|
qglVertex3fv( b->xyz.ToFloatPtr() );
|
|
qglVertex3fv( c->xyz.ToFloatPtr() );
|
|
}
|
|
qglEnd();
|
|
}
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
}
|
|
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowUnsmoothedTangents
|
|
|
|
Shade materials that are using unsmoothed tangents
|
|
=====================
|
|
*/
|
|
static void RB_ShowUnsmoothedTangents( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
int i, j;
|
|
drawSurf_t *drawSurf;
|
|
const srfTriangles_t *tri;
|
|
|
|
if ( !r_showUnsmoothedTangents.GetBool() ) {
|
|
return;
|
|
}
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
globalImages->BindNull();
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA );
|
|
|
|
qglColor4f( 0, 1, 0, 0.5 );
|
|
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
|
|
if ( !drawSurf->material->UseUnsmoothedTangents() ) {
|
|
continue;
|
|
}
|
|
|
|
RB_SimpleSurfaceSetup( drawSurf );
|
|
|
|
tri = drawSurf->geo;
|
|
qglBegin( GL_TRIANGLES );
|
|
for ( j = 0 ; j < tri->numIndexes ; j+=3 ) {
|
|
idDrawVert *a, *b, *c;
|
|
|
|
a = tri->verts + tri->indexes[j];
|
|
b = tri->verts + tri->indexes[j+1];
|
|
c = tri->verts + tri->indexes[j+2];
|
|
|
|
qglVertex3fv( a->xyz.ToFloatPtr() );
|
|
qglVertex3fv( b->xyz.ToFloatPtr() );
|
|
qglVertex3fv( c->xyz.ToFloatPtr() );
|
|
}
|
|
qglEnd();
|
|
}
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
}
|
|
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowTangentSpace
|
|
|
|
Shade a triangle by the RGB colors of its tangent space
|
|
1 = tangents[0]
|
|
2 = tangents[1]
|
|
3 = normal
|
|
=====================
|
|
*/
|
|
static void RB_ShowTangentSpace( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
int i, j;
|
|
drawSurf_t *drawSurf;
|
|
const srfTriangles_t *tri;
|
|
|
|
if ( !r_showTangentSpace.GetInteger() ) {
|
|
return;
|
|
}
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
globalImages->BindNull();
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA );
|
|
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
|
|
RB_SimpleSurfaceSetup( drawSurf );
|
|
|
|
tri = drawSurf->geo;
|
|
if ( !tri->verts ) {
|
|
continue;
|
|
}
|
|
qglBegin( GL_TRIANGLES );
|
|
for ( j = 0 ; j < tri->numIndexes ; j++ ) {
|
|
const idDrawVert *v;
|
|
|
|
v = &tri->verts[tri->indexes[j]];
|
|
|
|
if ( r_showTangentSpace.GetInteger() == 1 ) {
|
|
qglColor4f( 0.5 + 0.5 * v->tangents[0][0], 0.5 + 0.5 * v->tangents[0][1],
|
|
0.5 + 0.5 * v->tangents[0][2], 0.5 );
|
|
} else if ( r_showTangentSpace.GetInteger() == 2 ) {
|
|
qglColor4f( 0.5 + 0.5 * v->tangents[1][0], 0.5 + 0.5 * v->tangents[1][1],
|
|
0.5 + 0.5 * v->tangents[1][2], 0.5 );
|
|
} else {
|
|
qglColor4f( 0.5 + 0.5 * v->normal[0], 0.5 + 0.5 * v->normal[1],
|
|
0.5 + 0.5 * v->normal[2], 0.5 );
|
|
}
|
|
qglVertex3fv( v->xyz.ToFloatPtr() );
|
|
}
|
|
qglEnd();
|
|
}
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
}
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowVertexColor
|
|
|
|
Draw each triangle with the solid vertex colors
|
|
=====================
|
|
*/
|
|
static void RB_ShowVertexColor( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
int i, j;
|
|
drawSurf_t *drawSurf;
|
|
const srfTriangles_t *tri;
|
|
|
|
if ( !r_showVertexColor.GetBool() ) {
|
|
return;
|
|
}
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
globalImages->BindNull();
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
GL_State( GLS_DEPTHFUNC_LESS );
|
|
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
|
|
RB_SimpleSurfaceSetup( drawSurf );
|
|
|
|
tri = drawSurf->geo;
|
|
if ( !tri->verts ) {
|
|
continue;
|
|
}
|
|
qglBegin( GL_TRIANGLES );
|
|
for ( j = 0 ; j < tri->numIndexes ; j++ ) {
|
|
const idDrawVert *v;
|
|
|
|
v = &tri->verts[tri->indexes[j]];
|
|
qglColor4ubv( v->color );
|
|
qglVertex3fv( v->xyz.ToFloatPtr() );
|
|
}
|
|
qglEnd();
|
|
}
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
}
|
|
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowNormals
|
|
|
|
Debugging tool
|
|
=====================
|
|
*/
|
|
static void RB_ShowNormals( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
int i, j;
|
|
drawSurf_t *drawSurf;
|
|
idVec3 end;
|
|
const srfTriangles_t *tri;
|
|
float size;
|
|
bool showNumbers;
|
|
idVec3 pos;
|
|
|
|
if ( r_showNormals.GetFloat() == 0.0f ) {
|
|
return;
|
|
}
|
|
|
|
GL_State( GLS_POLYMODE_LINE );
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
|
|
globalImages->BindNull();
|
|
qglDisable( GL_STENCIL_TEST );
|
|
if ( !r_debugLineDepthTest.GetBool() ) {
|
|
qglDisable( GL_DEPTH_TEST );
|
|
} else {
|
|
qglEnable( GL_DEPTH_TEST );
|
|
}
|
|
|
|
size = r_showNormals.GetFloat();
|
|
if ( size < 0.0f ) {
|
|
size = -size;
|
|
showNumbers = true;
|
|
} else {
|
|
showNumbers = false;
|
|
}
|
|
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
|
|
RB_SimpleSurfaceSetup( drawSurf );
|
|
|
|
tri = drawSurf->geo;
|
|
if ( !tri->verts ) {
|
|
continue;
|
|
}
|
|
|
|
qglBegin( GL_LINES );
|
|
for ( j = 0 ; j < tri->numVerts ; j++ ) {
|
|
qglColor3f( 0, 0, 1 );
|
|
qglVertex3fv( tri->verts[j].xyz.ToFloatPtr() );
|
|
VectorMA( tri->verts[j].xyz, size, tri->verts[j].normal, end );
|
|
qglVertex3fv( end.ToFloatPtr() );
|
|
|
|
qglColor3f( 1, 0, 0 );
|
|
qglVertex3fv( tri->verts[j].xyz.ToFloatPtr() );
|
|
VectorMA( tri->verts[j].xyz, size, tri->verts[j].tangents[0], end );
|
|
qglVertex3fv( end.ToFloatPtr() );
|
|
|
|
qglColor3f( 0, 1, 0 );
|
|
qglVertex3fv( tri->verts[j].xyz.ToFloatPtr() );
|
|
VectorMA( tri->verts[j].xyz, size, tri->verts[j].tangents[1], end );
|
|
qglVertex3fv( end.ToFloatPtr() );
|
|
}
|
|
qglEnd();
|
|
}
|
|
|
|
if ( showNumbers ) {
|
|
RB_SimpleWorldSetup();
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
tri = drawSurf->geo;
|
|
if ( !tri->verts ) {
|
|
continue;
|
|
}
|
|
|
|
for ( j = 0 ; j < tri->numVerts ; j++ ) {
|
|
R_LocalPointToGlobal( drawSurf->space->modelMatrix, tri->verts[j].xyz + tri->verts[j].tangents[0] + tri->verts[j].normal * 0.2f, pos );
|
|
RB_DrawText( va( "%d", j ), pos, 0.01f, colorWhite, backEnd.viewDef->renderView.viewaxis, 1 );
|
|
}
|
|
|
|
for ( j = 0 ; j < tri->numIndexes; j += 3 ) {
|
|
R_LocalPointToGlobal( drawSurf->space->modelMatrix, ( tri->verts[ tri->indexes[ j + 0 ] ].xyz + tri->verts[ tri->indexes[ j + 1 ] ].xyz + tri->verts[ tri->indexes[ j + 2 ] ].xyz ) * ( 1.0f / 3.0f ) + tri->verts[ tri->indexes[ j + 0 ] ].normal * 0.2f, pos );
|
|
RB_DrawText( va( "%d", j / 3 ), pos, 0.01f, colorCyan, backEnd.viewDef->renderView.viewaxis, 1 );
|
|
}
|
|
}
|
|
}
|
|
|
|
qglEnable( GL_STENCIL_TEST );
|
|
}
|
|
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowNormals
|
|
|
|
Debugging tool
|
|
=====================
|
|
*/
|
|
#if 0
|
|
static void RB_AltShowNormals( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
int i, j, k;
|
|
drawSurf_t *drawSurf;
|
|
idVec3 end;
|
|
const srfTriangles_t *tri;
|
|
|
|
if ( r_showNormals.GetFloat() == 0.0f ) {
|
|
return;
|
|
}
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
|
|
globalImages->BindNull();
|
|
qglDisable( GL_STENCIL_TEST );
|
|
qglDisable( GL_DEPTH_TEST );
|
|
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
|
|
RB_SimpleSurfaceSetup( drawSurf );
|
|
|
|
tri = drawSurf->geo;
|
|
qglBegin( GL_LINES );
|
|
for ( j = 0 ; j < tri->numIndexes ; j += 3 ) {
|
|
const idDrawVert *v[3];
|
|
idVec3 mid;
|
|
|
|
v[0] = &tri->verts[tri->indexes[j+0]];
|
|
v[1] = &tri->verts[tri->indexes[j+1]];
|
|
v[2] = &tri->verts[tri->indexes[j+2]];
|
|
|
|
// make the midpoint slightly above the triangle
|
|
mid = ( v[0]->xyz + v[1]->xyz + v[2]->xyz ) * ( 1.0f / 3.0f );
|
|
mid += 0.1f * tri->facePlanes[ j / 3 ].Normal();
|
|
|
|
for ( k = 0 ; k < 3 ; k++ ) {
|
|
idVec3 pos;
|
|
|
|
pos = ( mid + v[k]->xyz * 3.0f ) * 0.25f;
|
|
|
|
qglColor3f( 0, 0, 1 );
|
|
qglVertex3fv( pos.ToFloatPtr() );
|
|
VectorMA( pos, r_showNormals.GetFloat(), v[k]->normal, end );
|
|
qglVertex3fv( end.ToFloatPtr() );
|
|
|
|
qglColor3f( 1, 0, 0 );
|
|
qglVertex3fv( pos.ToFloatPtr() );
|
|
VectorMA( pos, r_showNormals.GetFloat(), v[k]->tangents[0], end );
|
|
qglVertex3fv( end.ToFloatPtr() );
|
|
|
|
qglColor3f( 0, 1, 0 );
|
|
qglVertex3fv( pos.ToFloatPtr() );
|
|
VectorMA( pos, r_showNormals.GetFloat(), v[k]->tangents[1], end );
|
|
qglVertex3fv( end.ToFloatPtr() );
|
|
|
|
qglColor3f( 1, 1, 1 );
|
|
qglVertex3fv( pos.ToFloatPtr() );
|
|
qglVertex3fv( v[k]->xyz.ToFloatPtr() );
|
|
}
|
|
}
|
|
qglEnd();
|
|
}
|
|
|
|
qglEnable( GL_DEPTH_TEST );
|
|
qglEnable( GL_STENCIL_TEST );
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowTextureVectors
|
|
|
|
Draw texture vectors in the center of each triangle
|
|
=====================
|
|
*/
|
|
static void RB_ShowTextureVectors( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
int i, j;
|
|
drawSurf_t *drawSurf;
|
|
const srfTriangles_t *tri;
|
|
|
|
if ( r_showTextureVectors.GetFloat() == 0.0f ) {
|
|
return;
|
|
}
|
|
|
|
GL_State( GLS_DEPTHFUNC_LESS );
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
|
|
globalImages->BindNull();
|
|
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
|
|
tri = drawSurf->geo;
|
|
|
|
if ( !tri->verts ) {
|
|
continue;
|
|
}
|
|
if ( !tri->facePlanes ) {
|
|
continue;
|
|
}
|
|
RB_SimpleSurfaceSetup( drawSurf );
|
|
|
|
// draw non-shared edges in yellow
|
|
qglBegin( GL_LINES );
|
|
|
|
for ( j = 0 ; j < tri->numIndexes ; j+= 3 ) {
|
|
const idDrawVert *a, *b, *c;
|
|
float area, inva;
|
|
idVec3 temp;
|
|
float d0[5], d1[5];
|
|
idVec3 mid;
|
|
idVec3 tangents[2];
|
|
|
|
a = &tri->verts[tri->indexes[j+0]];
|
|
b = &tri->verts[tri->indexes[j+1]];
|
|
c = &tri->verts[tri->indexes[j+2]];
|
|
|
|
// make the midpoint slightly above the triangle
|
|
mid = ( a->xyz + b->xyz + c->xyz ) * ( 1.0f / 3.0f );
|
|
mid += 0.1f * tri->facePlanes[ j / 3 ].Normal();
|
|
|
|
// calculate the texture vectors
|
|
VectorSubtract( b->xyz, a->xyz, d0 );
|
|
d0[3] = b->st[0] - a->st[0];
|
|
d0[4] = b->st[1] - a->st[1];
|
|
VectorSubtract( c->xyz, a->xyz, d1 );
|
|
d1[3] = c->st[0] - a->st[0];
|
|
d1[4] = c->st[1] - a->st[1];
|
|
|
|
area = d0[3] * d1[4] - d0[4] * d1[3];
|
|
if ( area == 0 ) {
|
|
continue;
|
|
}
|
|
inva = 1.0 / area;
|
|
|
|
temp[0] = (d0[0] * d1[4] - d0[4] * d1[0]) * inva;
|
|
temp[1] = (d0[1] * d1[4] - d0[4] * d1[1]) * inva;
|
|
temp[2] = (d0[2] * d1[4] - d0[4] * d1[2]) * inva;
|
|
temp.Normalize();
|
|
tangents[0] = temp;
|
|
|
|
temp[0] = (d0[3] * d1[0] - d0[0] * d1[3]) * inva;
|
|
temp[1] = (d0[3] * d1[1] - d0[1] * d1[3]) * inva;
|
|
temp[2] = (d0[3] * d1[2] - d0[2] * d1[3]) * inva;
|
|
temp.Normalize();
|
|
tangents[1] = temp;
|
|
|
|
// draw the tangents
|
|
tangents[0] = mid + tangents[0] * r_showTextureVectors.GetFloat();
|
|
tangents[1] = mid + tangents[1] * r_showTextureVectors.GetFloat();
|
|
|
|
qglColor3f( 1, 0, 0 );
|
|
qglVertex3fv( mid.ToFloatPtr() );
|
|
qglVertex3fv( tangents[0].ToFloatPtr() );
|
|
|
|
qglColor3f( 0, 1, 0 );
|
|
qglVertex3fv( mid.ToFloatPtr() );
|
|
qglVertex3fv( tangents[1].ToFloatPtr() );
|
|
}
|
|
|
|
qglEnd();
|
|
}
|
|
}
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowDominantTris
|
|
|
|
Draw lines from each vertex to the dominant triangle center
|
|
=====================
|
|
*/
|
|
static void RB_ShowDominantTris( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
int i, j;
|
|
drawSurf_t *drawSurf;
|
|
const srfTriangles_t *tri;
|
|
|
|
if ( !r_showDominantTri.GetBool() ) {
|
|
return;
|
|
}
|
|
|
|
GL_State( GLS_DEPTHFUNC_LESS );
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
|
|
qglPolygonOffset( -1, -2 );
|
|
qglEnable( GL_POLYGON_OFFSET_LINE );
|
|
|
|
globalImages->BindNull();
|
|
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
|
|
tri = drawSurf->geo;
|
|
|
|
if ( !tri->verts ) {
|
|
continue;
|
|
}
|
|
if ( !tri->dominantTris ) {
|
|
continue;
|
|
}
|
|
RB_SimpleSurfaceSetup( drawSurf );
|
|
|
|
qglColor3f( 1, 1, 0 );
|
|
qglBegin( GL_LINES );
|
|
|
|
for ( j = 0 ; j < tri->numVerts ; j++ ) {
|
|
const idDrawVert *a, *b, *c;
|
|
idVec3 mid;
|
|
|
|
// find the midpoint of the dominant tri
|
|
|
|
a = &tri->verts[j];
|
|
b = &tri->verts[tri->dominantTris[j].v2];
|
|
c = &tri->verts[tri->dominantTris[j].v3];
|
|
|
|
mid = ( a->xyz + b->xyz + c->xyz ) * ( 1.0f / 3.0f );
|
|
|
|
qglVertex3fv( mid.ToFloatPtr() );
|
|
qglVertex3fv( a->xyz.ToFloatPtr() );
|
|
}
|
|
|
|
qglEnd();
|
|
}
|
|
qglDisable( GL_POLYGON_OFFSET_LINE );
|
|
}
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowEdges
|
|
|
|
Debugging tool
|
|
=====================
|
|
*/
|
|
static void RB_ShowEdges( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
int i, j, k, m, n, o;
|
|
drawSurf_t *drawSurf;
|
|
const srfTriangles_t *tri;
|
|
const silEdge_t *edge;
|
|
int danglePlane;
|
|
|
|
if ( !r_showEdges.GetBool() ) {
|
|
return;
|
|
}
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
|
|
globalImages->BindNull();
|
|
qglDisable( GL_DEPTH_TEST );
|
|
|
|
for ( i = 0 ; i < numDrawSurfs ; i++ ) {
|
|
drawSurf = drawSurfs[i];
|
|
|
|
tri = drawSurf->geo;
|
|
|
|
idDrawVert *ac = (idDrawVert *)tri->verts;
|
|
if ( !ac ) {
|
|
continue;
|
|
}
|
|
|
|
RB_SimpleSurfaceSetup( drawSurf );
|
|
|
|
// draw non-shared edges in yellow
|
|
qglColor3f( 1, 1, 0 );
|
|
qglBegin( GL_LINES );
|
|
|
|
for ( j = 0 ; j < tri->numIndexes ; j+= 3 ) {
|
|
for ( k = 0 ; k < 3 ; k++ ) {
|
|
int l, i1, i2;
|
|
l = ( k == 2 ) ? 0 : k + 1;
|
|
i1 = tri->indexes[j+k];
|
|
i2 = tri->indexes[j+l];
|
|
|
|
// if these are used backwards, the edge is shared
|
|
for ( m = 0 ; m < tri->numIndexes ; m += 3 ) {
|
|
for ( n = 0 ; n < 3 ; n++ ) {
|
|
o = ( n == 2 ) ? 0 : n + 1;
|
|
if ( tri->indexes[m+n] == i2 && tri->indexes[m+o] == i1 ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( n != 3 ) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// if we didn't find a backwards listing, draw it in yellow
|
|
if ( m == tri->numIndexes ) {
|
|
qglVertex3fv( ac[ i1 ].xyz.ToFloatPtr() );
|
|
qglVertex3fv( ac[ i2 ].xyz.ToFloatPtr() );
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
qglEnd();
|
|
|
|
// draw dangling sil edges in red
|
|
if ( !tri->silEdges ) {
|
|
continue;
|
|
}
|
|
|
|
// the plane number after all real planes
|
|
// is the dangling edge
|
|
danglePlane = tri->numIndexes / 3;
|
|
|
|
qglColor3f( 1, 0, 0 );
|
|
|
|
qglBegin( GL_LINES );
|
|
for ( j = 0 ; j < tri->numSilEdges ; j++ ) {
|
|
edge = tri->silEdges + j;
|
|
|
|
if ( edge->p1 != danglePlane && edge->p2 != danglePlane ) {
|
|
continue;
|
|
}
|
|
|
|
qglVertex3fv( ac[ edge->v1 ].xyz.ToFloatPtr() );
|
|
qglVertex3fv( ac[ edge->v2 ].xyz.ToFloatPtr() );
|
|
}
|
|
qglEnd();
|
|
}
|
|
|
|
qglEnable( GL_DEPTH_TEST );
|
|
}
|
|
|
|
/*
|
|
==============
|
|
RB_ShowLights
|
|
|
|
Visualize all light volumes used in the current scene
|
|
r_showLights 1 : just print volumes numbers, highlighting ones covering the view
|
|
r_showLights 2 : also draw planes of each volume
|
|
r_showLights 3 : also draw edges of each volume
|
|
==============
|
|
*/
|
|
void RB_ShowLights( void ) {
|
|
const idRenderLightLocal *light;
|
|
int count;
|
|
srfTriangles_t *tri;
|
|
viewLight_t *vLight;
|
|
|
|
if ( !r_showLights.GetInteger() ) {
|
|
return;
|
|
}
|
|
|
|
// all volumes are expressed in world coordinates
|
|
RB_SimpleWorldSetup();
|
|
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
globalImages->BindNull();
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
|
|
GL_Cull( CT_TWO_SIDED );
|
|
qglDisable( GL_DEPTH_TEST );
|
|
|
|
|
|
common->Printf( "volumes: " ); // FIXME: not in back end!
|
|
|
|
count = 0;
|
|
for ( vLight = backEnd.viewDef->viewLights ; vLight ; vLight = vLight->next ) {
|
|
light = vLight->lightDef;
|
|
count++;
|
|
|
|
tri = light->frustumTris;
|
|
|
|
// depth buffered planes
|
|
if ( r_showLights.GetInteger() >= 2 ) {
|
|
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_DEPTHMASK );
|
|
qglColor4f( 0, 0, 1, 0.25 );
|
|
qglEnable( GL_DEPTH_TEST );
|
|
RB_RenderTriangleSurface( tri );
|
|
}
|
|
|
|
// non-hidden lines
|
|
if ( r_showLights.GetInteger() >= 3 ) {
|
|
GL_State( GLS_POLYMODE_LINE | GLS_DEPTHMASK );
|
|
qglDisable( GL_DEPTH_TEST );
|
|
qglColor3f( 1, 1, 1 );
|
|
RB_RenderTriangleSurface( tri );
|
|
}
|
|
|
|
int index;
|
|
|
|
index = backEnd.viewDef->renderWorld->lightDefs.FindIndex( vLight->lightDef );
|
|
if ( vLight->viewInsideLight ) {
|
|
// view is in this volume
|
|
common->Printf( "[%i] ", index );
|
|
} else {
|
|
common->Printf( "%i ", index );
|
|
}
|
|
}
|
|
|
|
qglEnable( GL_DEPTH_TEST );
|
|
qglDisable( GL_POLYGON_OFFSET_LINE );
|
|
|
|
qglDepthRange( 0, 1 );
|
|
GL_State( GLS_DEFAULT );
|
|
GL_Cull( CT_FRONT_SIDED );
|
|
|
|
common->Printf( " = %i total\n", count );
|
|
}
|
|
|
|
/*
|
|
=====================
|
|
RB_ShowPortals
|
|
|
|
Debugging tool, won't work correctly with SMP or when mirrors are present
|
|
=====================
|
|
*/
|
|
void RB_ShowPortals( void ) {
|
|
if ( !r_showPortals.GetBool() ) {
|
|
return;
|
|
}
|
|
|
|
// all portals are expressed in world coordinates
|
|
RB_SimpleWorldSetup();
|
|
|
|
globalImages->BindNull();
|
|
qglDisable( GL_DEPTH_TEST );
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
|
|
((idRenderWorldLocal *)backEnd.viewDef->renderWorld)->ShowPortals();
|
|
|
|
qglEnable( GL_DEPTH_TEST );
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_ClearDebugText
|
|
================
|
|
*/
|
|
void RB_ClearDebugText( int time ) {
|
|
int i;
|
|
int num;
|
|
debugText_t *text;
|
|
|
|
rb_debugTextTime = time;
|
|
|
|
if ( !time ) {
|
|
// free up our strings
|
|
text = rb_debugText;
|
|
for ( i = 0 ; i < MAX_DEBUG_TEXT; i++, text++ ) {
|
|
text->text.Clear();
|
|
}
|
|
rb_numDebugText = 0;
|
|
return;
|
|
}
|
|
|
|
// copy any text that still needs to be drawn
|
|
num = 0;
|
|
text = rb_debugText;
|
|
for ( i = 0 ; i < rb_numDebugText; i++, text++ ) {
|
|
if ( text->lifeTime > time ) {
|
|
if ( num != i ) {
|
|
rb_debugText[ num ] = *text;
|
|
}
|
|
num++;
|
|
}
|
|
}
|
|
rb_numDebugText = num;
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_AddDebugText
|
|
================
|
|
*/
|
|
void RB_AddDebugText( const char *text, const idVec3 &origin, float scale, const idVec4 &color, const idMat3 &viewAxis, const int align, const int lifetime, const bool depthTest ) {
|
|
debugText_t *debugText;
|
|
|
|
if ( rb_numDebugText < MAX_DEBUG_TEXT ) {
|
|
debugText = &rb_debugText[ rb_numDebugText++ ];
|
|
debugText->text = text;
|
|
debugText->origin = origin;
|
|
debugText->scale = scale;
|
|
debugText->color = color;
|
|
debugText->viewAxis = viewAxis;
|
|
debugText->align = align;
|
|
debugText->lifeTime = rb_debugTextTime + lifetime;
|
|
debugText->depthTest = depthTest;
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_DrawTextLength
|
|
|
|
returns the length of the given text
|
|
================
|
|
*/
|
|
float RB_DrawTextLength( const char *text, float scale, int len ) {
|
|
int i, num, index, charIndex;
|
|
float spacing, textLen = 0.0f;
|
|
|
|
if ( text && *text ) {
|
|
if ( !len ) {
|
|
len = strlen(text);
|
|
}
|
|
for ( i = 0; i < len; i++ ) {
|
|
charIndex = text[i] - 32;
|
|
if ( charIndex < 0 || charIndex > NUM_SIMPLEX_CHARS ) {
|
|
continue;
|
|
}
|
|
num = simplex[charIndex][0] * 2;
|
|
spacing = simplex[charIndex][1];
|
|
index = 2;
|
|
|
|
while( index - 2 < num ) {
|
|
if ( simplex[charIndex][index] < 0) {
|
|
index++;
|
|
continue;
|
|
}
|
|
index += 2;
|
|
if ( simplex[charIndex][index] < 0) {
|
|
index++;
|
|
continue;
|
|
}
|
|
}
|
|
textLen += spacing * scale;
|
|
}
|
|
}
|
|
return textLen;
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_DrawText
|
|
|
|
oriented on the viewaxis
|
|
align can be 0-left, 1-center (default), 2-right
|
|
================
|
|
*/
|
|
static void RB_DrawText( const char *text, const idVec3 &origin, float scale, const idVec4 &color, const idMat3 &viewAxis, const int align ) {
|
|
int i, j, len, num, index, charIndex, line;
|
|
float textLen = 0.0f, spacing;
|
|
idVec3 org, p1, p2;
|
|
|
|
if ( text && *text ) {
|
|
qglBegin( GL_LINES );
|
|
qglColor3fv( color.ToFloatPtr() );
|
|
|
|
if ( text[0] == '\n' ) {
|
|
line = 1;
|
|
} else {
|
|
line = 0;
|
|
}
|
|
|
|
org.Zero();
|
|
len = strlen( text );
|
|
for ( i = 0; i < len; i++ ) {
|
|
|
|
if ( i == 0 || text[i] == '\n' ) {
|
|
org = origin - viewAxis[2] * ( line * 36.0f * scale );
|
|
if ( align != 0 ) {
|
|
for ( j = 1; i+j <= len; j++ ) {
|
|
if ( i+j == len || text[i+j] == '\n' ) {
|
|
textLen = RB_DrawTextLength( text+i, scale, j );
|
|
break;
|
|
}
|
|
}
|
|
if ( align == 2 ) {
|
|
// right
|
|
org += viewAxis[1] * textLen;
|
|
} else {
|
|
// center
|
|
org += viewAxis[1] * ( textLen * 0.5f );
|
|
}
|
|
}
|
|
line++;
|
|
}
|
|
|
|
charIndex = text[i] - 32;
|
|
if ( charIndex < 0 || charIndex > NUM_SIMPLEX_CHARS ) {
|
|
continue;
|
|
}
|
|
num = simplex[charIndex][0] * 2;
|
|
spacing = simplex[charIndex][1];
|
|
index = 2;
|
|
|
|
while( index - 2 < num ) {
|
|
if ( simplex[charIndex][index] < 0) {
|
|
index++;
|
|
continue;
|
|
}
|
|
p1 = org + scale * simplex[charIndex][index] * -viewAxis[1] + scale * simplex[charIndex][index+1] * viewAxis[2];
|
|
index += 2;
|
|
if ( simplex[charIndex][index] < 0) {
|
|
index++;
|
|
continue;
|
|
}
|
|
p2 = org + scale * simplex[charIndex][index] * -viewAxis[1] + scale * simplex[charIndex][index+1] * viewAxis[2];
|
|
|
|
qglVertex3fv( p1.ToFloatPtr() );
|
|
qglVertex3fv( p2.ToFloatPtr() );
|
|
}
|
|
org -= viewAxis[1] * ( spacing * scale );
|
|
}
|
|
|
|
qglEnd();
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_ShowDebugText
|
|
================
|
|
*/
|
|
void RB_ShowDebugText( void ) {
|
|
int i;
|
|
int width;
|
|
debugText_t *text;
|
|
|
|
if ( !rb_numDebugText ) {
|
|
return;
|
|
}
|
|
|
|
// all lines are expressed in world coordinates
|
|
RB_SimpleWorldSetup();
|
|
|
|
globalImages->BindNull();
|
|
|
|
width = r_debugLineWidth.GetInteger();
|
|
if ( width < 1 ) {
|
|
width = 1;
|
|
} else if ( width > 10 ) {
|
|
width = 10;
|
|
}
|
|
|
|
// draw lines
|
|
GL_State( GLS_POLYMODE_LINE );
|
|
qglLineWidth( width );
|
|
|
|
if ( !r_debugLineDepthTest.GetBool() ) {
|
|
qglDisable( GL_DEPTH_TEST );
|
|
}
|
|
|
|
text = rb_debugText;
|
|
for ( i = 0 ; i < rb_numDebugText; i++, text++ ) {
|
|
if ( !text->depthTest ) {
|
|
RB_DrawText( text->text, text->origin, text->scale, text->color, text->viewAxis, text->align );
|
|
}
|
|
}
|
|
|
|
if ( !r_debugLineDepthTest.GetBool() ) {
|
|
qglEnable( GL_DEPTH_TEST );
|
|
}
|
|
|
|
text = rb_debugText;
|
|
for ( i = 0 ; i < rb_numDebugText; i++, text++ ) {
|
|
if ( text->depthTest ) {
|
|
RB_DrawText( text->text, text->origin, text->scale, text->color, text->viewAxis, text->align );
|
|
}
|
|
}
|
|
|
|
qglLineWidth( 1 );
|
|
GL_State( GLS_DEFAULT );
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_ClearDebugLines
|
|
================
|
|
*/
|
|
void RB_ClearDebugLines( int time ) {
|
|
int i;
|
|
int num;
|
|
debugLine_t *line;
|
|
|
|
rb_debugLineTime = time;
|
|
|
|
if ( !time ) {
|
|
rb_numDebugLines = 0;
|
|
return;
|
|
}
|
|
|
|
// copy any lines that still need to be drawn
|
|
num = 0;
|
|
line = rb_debugLines;
|
|
for ( i = 0 ; i < rb_numDebugLines; i++, line++ ) {
|
|
if ( line->lifeTime > time ) {
|
|
if ( num != i ) {
|
|
rb_debugLines[ num ] = *line;
|
|
}
|
|
num++;
|
|
}
|
|
}
|
|
rb_numDebugLines = num;
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_AddDebugLine
|
|
================
|
|
*/
|
|
void RB_AddDebugLine( const idVec4 &color, const idVec3 &start, const idVec3 &end, const int lifeTime, const bool depthTest ) {
|
|
debugLine_t *line;
|
|
|
|
if ( rb_numDebugLines < MAX_DEBUG_LINES ) {
|
|
line = &rb_debugLines[ rb_numDebugLines++ ];
|
|
line->rgb = color;
|
|
line->start = start;
|
|
line->end = end;
|
|
line->depthTest = depthTest;
|
|
line->lifeTime = rb_debugLineTime + lifeTime;
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_ShowDebugLines
|
|
================
|
|
*/
|
|
void RB_ShowDebugLines( void ) {
|
|
int i;
|
|
int width;
|
|
debugLine_t *line;
|
|
|
|
if ( !rb_numDebugLines ) {
|
|
return;
|
|
}
|
|
|
|
// all lines are expressed in world coordinates
|
|
RB_SimpleWorldSetup();
|
|
|
|
globalImages->BindNull();
|
|
|
|
width = r_debugLineWidth.GetInteger();
|
|
if ( width < 1 ) {
|
|
width = 1;
|
|
} else if ( width > 10 ) {
|
|
width = 10;
|
|
}
|
|
|
|
// draw lines
|
|
GL_State( GLS_POLYMODE_LINE );//| GLS_DEPTHMASK ); //| GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE );
|
|
qglLineWidth( width );
|
|
|
|
if ( !r_debugLineDepthTest.GetBool() ) {
|
|
qglDisable( GL_DEPTH_TEST );
|
|
}
|
|
|
|
qglBegin( GL_LINES );
|
|
|
|
line = rb_debugLines;
|
|
for ( i = 0 ; i < rb_numDebugLines; i++, line++ ) {
|
|
if ( !line->depthTest ) {
|
|
qglColor3fv( line->rgb.ToFloatPtr() );
|
|
qglVertex3fv( line->start.ToFloatPtr() );
|
|
qglVertex3fv( line->end.ToFloatPtr() );
|
|
}
|
|
}
|
|
qglEnd();
|
|
|
|
if ( !r_debugLineDepthTest.GetBool() ) {
|
|
qglEnable( GL_DEPTH_TEST );
|
|
}
|
|
|
|
qglBegin( GL_LINES );
|
|
|
|
line = rb_debugLines;
|
|
for ( i = 0 ; i < rb_numDebugLines; i++, line++ ) {
|
|
if ( line->depthTest ) {
|
|
qglColor4fv( line->rgb.ToFloatPtr() );
|
|
qglVertex3fv( line->start.ToFloatPtr() );
|
|
qglVertex3fv( line->end.ToFloatPtr() );
|
|
}
|
|
}
|
|
|
|
qglEnd();
|
|
|
|
qglLineWidth( 1 );
|
|
GL_State( GLS_DEFAULT );
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_ClearDebugPolygons
|
|
================
|
|
*/
|
|
void RB_ClearDebugPolygons( int time ) {
|
|
int i;
|
|
int num;
|
|
debugPolygon_t *poly;
|
|
|
|
rb_debugPolygonTime = time;
|
|
|
|
if ( !time ) {
|
|
rb_numDebugPolygons = 0;
|
|
return;
|
|
}
|
|
|
|
// copy any polygons that still need to be drawn
|
|
num = 0;
|
|
|
|
poly = rb_debugPolygons;
|
|
for ( i = 0 ; i < rb_numDebugPolygons; i++, poly++ ) {
|
|
if ( poly->lifeTime > time ) {
|
|
if ( num != i ) {
|
|
rb_debugPolygons[ num ] = *poly;
|
|
}
|
|
num++;
|
|
}
|
|
}
|
|
rb_numDebugPolygons = num;
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_AddDebugPolygon
|
|
================
|
|
*/
|
|
void RB_AddDebugPolygon( const idVec4 &color, const idWinding &winding, const int lifeTime, const bool depthTest ) {
|
|
debugPolygon_t *poly;
|
|
|
|
if ( rb_numDebugPolygons < MAX_DEBUG_POLYGONS ) {
|
|
poly = &rb_debugPolygons[ rb_numDebugPolygons++ ];
|
|
poly->rgb = color;
|
|
poly->winding = winding;
|
|
poly->depthTest = depthTest;
|
|
poly->lifeTime = rb_debugPolygonTime + lifeTime;
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_ShowDebugPolygons
|
|
================
|
|
*/
|
|
void RB_ShowDebugPolygons( void ) {
|
|
int i, j;
|
|
debugPolygon_t *poly;
|
|
|
|
if ( !rb_numDebugPolygons ) {
|
|
return;
|
|
}
|
|
|
|
// all lines are expressed in world coordinates
|
|
RB_SimpleWorldSetup();
|
|
|
|
globalImages->BindNull();
|
|
|
|
qglDisable( GL_TEXTURE_2D );
|
|
qglDisable( GL_STENCIL_TEST );
|
|
|
|
qglEnable( GL_DEPTH_TEST );
|
|
|
|
if ( r_debugPolygonFilled.GetBool() ) {
|
|
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_DEPTHMASK );
|
|
qglPolygonOffset( -1, -2 );
|
|
qglEnable( GL_POLYGON_OFFSET_FILL );
|
|
} else {
|
|
GL_State( GLS_POLYMODE_LINE );
|
|
qglPolygonOffset( -1, -2 );
|
|
qglEnable( GL_POLYGON_OFFSET_LINE );
|
|
}
|
|
|
|
poly = rb_debugPolygons;
|
|
for ( i = 0 ; i < rb_numDebugPolygons; i++, poly++ ) {
|
|
// if ( !poly->depthTest ) {
|
|
|
|
qglColor4fv( poly->rgb.ToFloatPtr() );
|
|
|
|
qglBegin( GL_POLYGON );
|
|
|
|
for ( j = 0; j < poly->winding.GetNumPoints(); j++) {
|
|
qglVertex3fv( poly->winding[j].ToFloatPtr() );
|
|
}
|
|
|
|
qglEnd();
|
|
// }
|
|
}
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
|
|
if ( r_debugPolygonFilled.GetBool() ) {
|
|
qglDisable( GL_POLYGON_OFFSET_FILL );
|
|
} else {
|
|
qglDisable( GL_POLYGON_OFFSET_LINE );
|
|
}
|
|
|
|
qglDepthRange( 0, 1 );
|
|
GL_State( GLS_DEFAULT );
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_TestGamma
|
|
================
|
|
*/
|
|
#define G_WIDTH 512
|
|
#define G_HEIGHT 512
|
|
#define BAR_HEIGHT 64
|
|
|
|
void RB_TestGamma( void ) {
|
|
byte image[G_HEIGHT][G_WIDTH][4];
|
|
int i, j;
|
|
int c, comp;
|
|
int v, dither;
|
|
int mask, y;
|
|
|
|
if ( r_testGamma.GetInteger() <= 0 ) {
|
|
return;
|
|
}
|
|
|
|
v = r_testGamma.GetInteger();
|
|
if ( v <= 1 || v >= 196 ) {
|
|
v = 128;
|
|
}
|
|
|
|
memset( image, 0, sizeof( image ) );
|
|
|
|
for ( mask = 0 ; mask < 8 ; mask++ ) {
|
|
y = mask * BAR_HEIGHT;
|
|
for ( c = 0 ; c < 4 ; c++ ) {
|
|
v = c * 64 + 32;
|
|
// solid color
|
|
for ( i = 0 ; i < BAR_HEIGHT/2 ; i++ ) {
|
|
for ( j = 0 ; j < G_WIDTH/4 ; j++ ) {
|
|
for ( comp = 0 ; comp < 3 ; comp++ ) {
|
|
if ( mask & ( 1 << comp ) ) {
|
|
image[y+i][c*G_WIDTH/4+j][comp] = v;
|
|
}
|
|
}
|
|
}
|
|
// dithered color
|
|
for ( j = 0 ; j < G_WIDTH/4 ; j++ ) {
|
|
if ( ( i ^ j ) & 1 ) {
|
|
dither = c * 64;
|
|
} else {
|
|
dither = c * 64 + 63;
|
|
}
|
|
for ( comp = 0 ; comp < 3 ; comp++ ) {
|
|
if ( mask & ( 1 << comp ) ) {
|
|
image[y+BAR_HEIGHT/2+i][c*G_WIDTH/4+j][comp] = dither;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// draw geometrically increasing steps in the bottom row
|
|
y = 0 * BAR_HEIGHT;
|
|
float scale = 1;
|
|
for ( c = 0 ; c < 4 ; c++ ) {
|
|
v = (int)(64 * scale);
|
|
if ( v < 0 ) {
|
|
v = 0;
|
|
} else if ( v > 255 ) {
|
|
v = 255;
|
|
}
|
|
scale = scale * 1.5;
|
|
for ( i = 0 ; i < BAR_HEIGHT ; i++ ) {
|
|
for ( j = 0 ; j < G_WIDTH/4 ; j++ ) {
|
|
image[y+i][c*G_WIDTH/4+j][0] = v;
|
|
image[y+i][c*G_WIDTH/4+j][1] = v;
|
|
image[y+i][c*G_WIDTH/4+j][2] = v;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
qglLoadIdentity();
|
|
|
|
qglMatrixMode( GL_PROJECTION );
|
|
GL_State( GLS_DEPTHFUNC_ALWAYS );
|
|
qglColor3f( 1, 1, 1 );
|
|
qglPushMatrix();
|
|
qglLoadIdentity();
|
|
qglDisable( GL_TEXTURE_2D );
|
|
qglOrtho( 0, 1, 0, 1, -1, 1 );
|
|
qglRasterPos2f( 0.01f, 0.01f );
|
|
qglDrawPixels( G_WIDTH, G_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, image );
|
|
qglPopMatrix();
|
|
qglEnable( GL_TEXTURE_2D );
|
|
qglMatrixMode( GL_MODELVIEW );
|
|
}
|
|
|
|
|
|
/*
|
|
==================
|
|
RB_TestGammaBias
|
|
==================
|
|
*/
|
|
static void RB_TestGammaBias( void ) {
|
|
byte image[G_HEIGHT][G_WIDTH][4];
|
|
|
|
if ( r_testGammaBias.GetInteger() <= 0 ) {
|
|
return;
|
|
}
|
|
|
|
int y = 0;
|
|
for ( int bias = -40 ; bias < 40 ; bias+=10, y += BAR_HEIGHT ) {
|
|
float scale = 1;
|
|
for ( int c = 0 ; c < 4 ; c++ ) {
|
|
int v = (int)(64 * scale + bias);
|
|
scale = scale * 1.5;
|
|
if ( v < 0 ) {
|
|
v = 0;
|
|
} else if ( v > 255 ) {
|
|
v = 255;
|
|
}
|
|
for ( int i = 0 ; i < BAR_HEIGHT ; i++ ) {
|
|
for ( int j = 0 ; j < G_WIDTH/4 ; j++ ) {
|
|
image[y+i][c*G_WIDTH/4+j][0] = v;
|
|
image[y+i][c*G_WIDTH/4+j][1] = v;
|
|
image[y+i][c*G_WIDTH/4+j][2] = v;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
qglLoadIdentity();
|
|
qglMatrixMode( GL_PROJECTION );
|
|
GL_State( GLS_DEPTHFUNC_ALWAYS );
|
|
qglColor3f( 1, 1, 1 );
|
|
qglPushMatrix();
|
|
qglLoadIdentity();
|
|
qglDisable( GL_TEXTURE_2D );
|
|
qglOrtho( 0, 1, 0, 1, -1, 1 );
|
|
qglRasterPos2f( 0.01f, 0.01f );
|
|
qglDrawPixels( G_WIDTH, G_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, image );
|
|
qglPopMatrix();
|
|
qglEnable( GL_TEXTURE_2D );
|
|
qglMatrixMode( GL_MODELVIEW );
|
|
}
|
|
|
|
/*
|
|
================
|
|
RB_TestImage
|
|
|
|
Display a single image over most of the screen
|
|
================
|
|
*/
|
|
void RB_TestImage( void ) {
|
|
idImage *image;
|
|
int max;
|
|
float w, h;
|
|
|
|
image = tr.testImage;
|
|
if ( !image ) {
|
|
return;
|
|
}
|
|
|
|
if ( tr.testVideo ) {
|
|
cinData_t cin;
|
|
|
|
cin = tr.testVideo->ImageForTime( (int)(1000 * ( backEnd.viewDef->floatTime - tr.testVideoStartTime ) ) );
|
|
if ( cin.image ) {
|
|
image->UploadScratch( cin.image, cin.imageWidth, cin.imageHeight );
|
|
} else {
|
|
tr.testImage = NULL;
|
|
return;
|
|
}
|
|
w = 0.25;
|
|
h = 0.25;
|
|
} else {
|
|
max = image->uploadWidth > image->uploadHeight ? image->uploadWidth : image->uploadHeight;
|
|
|
|
w = 0.25 * image->uploadWidth / max;
|
|
h = 0.25 * image->uploadHeight / max;
|
|
|
|
w *= (float)glConfig.vidHeight / glConfig.vidWidth;
|
|
}
|
|
|
|
qglLoadIdentity();
|
|
|
|
qglMatrixMode( GL_PROJECTION );
|
|
GL_State( GLS_DEPTHFUNC_ALWAYS | GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA );
|
|
qglColor3f( 1, 1, 1 );
|
|
qglPushMatrix();
|
|
qglLoadIdentity();
|
|
qglOrtho( 0, 1, 0, 1, -1, 1 );
|
|
|
|
tr.testImage->Bind();
|
|
qglBegin( GL_QUADS );
|
|
|
|
qglTexCoord2f( 0, 1 );
|
|
qglVertex2f( 0.5 - w, 0 );
|
|
|
|
qglTexCoord2f( 0, 0 );
|
|
qglVertex2f( 0.5 - w, h*2 );
|
|
|
|
qglTexCoord2f( 1, 0 );
|
|
qglVertex2f( 0.5 + w, h*2 );
|
|
|
|
qglTexCoord2f( 1, 1 );
|
|
qglVertex2f( 0.5 + w, 0 );
|
|
|
|
qglEnd();
|
|
|
|
qglPopMatrix();
|
|
qglMatrixMode( GL_MODELVIEW );
|
|
}
|
|
|
|
/*
|
|
=================
|
|
RB_RenderDebugTools
|
|
=================
|
|
*/
|
|
void RB_RenderDebugTools( drawSurf_t **drawSurfs, int numDrawSurfs ) {
|
|
// don't do anything if this was a 2D rendering
|
|
if ( !backEnd.viewDef->viewEntitys ) {
|
|
return;
|
|
}
|
|
|
|
GL_State( GLS_DEFAULT );
|
|
backEnd.currentScissor = backEnd.viewDef->scissor;
|
|
qglScissor( backEnd.viewDef->viewport.x1 + backEnd.currentScissor.x1,
|
|
backEnd.viewDef->viewport.y1 + backEnd.currentScissor.y1,
|
|
backEnd.currentScissor.x2 + 1 - backEnd.currentScissor.x1,
|
|
backEnd.currentScissor.y2 + 1 - backEnd.currentScissor.y1 );
|
|
|
|
|
|
RB_ShowLightCount();
|
|
RB_ShowShadowCount();
|
|
RB_ShowTexturePolarity( drawSurfs, numDrawSurfs );
|
|
RB_ShowTangentSpace( drawSurfs, numDrawSurfs );
|
|
RB_ShowVertexColor( drawSurfs, numDrawSurfs );
|
|
RB_ShowTris( drawSurfs, numDrawSurfs );
|
|
RB_ShowUnsmoothedTangents( drawSurfs, numDrawSurfs );
|
|
RB_ShowSurfaceInfo( drawSurfs, numDrawSurfs );
|
|
RB_ShowEdges( drawSurfs, numDrawSurfs );
|
|
RB_ShowNormals( drawSurfs, numDrawSurfs );
|
|
RB_ShowViewEntitys( backEnd.viewDef->viewEntitys );
|
|
RB_ShowLights();
|
|
RB_ShowTextureVectors( drawSurfs, numDrawSurfs );
|
|
RB_ShowDominantTris( drawSurfs, numDrawSurfs );
|
|
if ( r_testGamma.GetInteger() > 0 ) { // test here so stack check isn't so damn slow on debug builds
|
|
RB_TestGamma();
|
|
}
|
|
if ( r_testGammaBias.GetInteger() > 0 ) {
|
|
RB_TestGammaBias();
|
|
}
|
|
RB_TestImage();
|
|
RB_ShowPortals();
|
|
RB_ShowSilhouette();
|
|
RB_ShowDepthBuffer();
|
|
RB_ShowIntensity();
|
|
RB_ShowDebugLines();
|
|
RB_ShowDebugText();
|
|
RB_ShowDebugPolygons();
|
|
RB_ShowTrace( drawSurfs, numDrawSurfs );
|
|
}
|
|
|
|
/*
|
|
=================
|
|
RB_ShutdownDebugTools
|
|
=================
|
|
*/
|
|
void RB_ShutdownDebugTools( void ) {
|
|
for ( int i = 0; i < MAX_DEBUG_POLYGONS; i++ ) {
|
|
rb_debugPolygons[i].winding.Clear();
|
|
}
|
|
}
|