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https://bitbucket.org/CPMADevs/cnq3
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712 lines
21 KiB
C++
712 lines
21 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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backEndData_t* backEndData;
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backEndState_t backEnd;
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static int64_t startTime;
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static void RB_Set2D()
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{
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backEnd.projection2D = qtrue;
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backEnd.pc = backEnd.pc2D;
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// set time for 2D shaders
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backEnd.refdef.time = ri.Milliseconds();
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backEnd.refdef.floatTime = (double)backEnd.refdef.time / 1000.0;
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gal.Begin2D();
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}
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static const void* RB_SetColor( const void* data )
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{
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const setColorCommand_t* cmd = (const setColorCommand_t*)data;
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backEnd.color2D[0] = (byte)(cmd->color[0] * 255);
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backEnd.color2D[1] = (byte)(cmd->color[1] * 255);
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backEnd.color2D[2] = (byte)(cmd->color[2] * 255);
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backEnd.color2D[3] = (byte)(cmd->color[3] * 255);
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return (const void*)(cmd + 1);
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}
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static const void* RB_StretchPic( const void* data )
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{
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const stretchPicCommand_t* cmd = (const stretchPicCommand_t*)data;
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if ( !backEnd.projection2D )
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RB_Set2D();
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const shader_t* shader = cmd->shader;
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if ( shader != tess.shader ) {
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if ( tess.numIndexes ) {
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RB_EndSurface();
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}
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backEnd.currentEntity = &backEnd.entity2D;
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RB_BeginSurface( shader, 0 );
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}
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RB_CHECKOVERFLOW( 4, 6 );
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int numVerts = tess.numVertexes;
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int numIndexes = tess.numIndexes;
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tess.numVertexes += 4;
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tess.numIndexes += 6;
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tess.indexes[ numIndexes ] = numVerts + 3;
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tess.indexes[ numIndexes + 1 ] = numVerts + 0;
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tess.indexes[ numIndexes + 2 ] = numVerts + 2;
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tess.indexes[ numIndexes + 3 ] = numVerts + 2;
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tess.indexes[ numIndexes + 4 ] = numVerts + 0;
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tess.indexes[ numIndexes + 5 ] = numVerts + 1;
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*(int *)tess.vertexColors[ numVerts ] =
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*(int *)tess.vertexColors[ numVerts + 1 ] =
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*(int *)tess.vertexColors[ numVerts + 2 ] =
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*(int *)tess.vertexColors[ numVerts + 3 ] = *(int *)backEnd.color2D;
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tess.xyz[ numVerts ][0] = cmd->x;
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tess.xyz[ numVerts ][1] = cmd->y;
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tess.xyz[ numVerts ][2] = 0;
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tess.texCoords[ numVerts ][0] = cmd->s1;
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tess.texCoords[ numVerts ][1] = cmd->t1;
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tess.xyz[ numVerts + 1 ][0] = cmd->x + cmd->w;
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tess.xyz[ numVerts + 1 ][1] = cmd->y;
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tess.xyz[ numVerts + 1 ][2] = 0;
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tess.texCoords[ numVerts + 1 ][0] = cmd->s2;
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tess.texCoords[ numVerts + 1 ][1] = cmd->t1;
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tess.xyz[ numVerts + 2 ][0] = cmd->x + cmd->w;
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tess.xyz[ numVerts + 2 ][1] = cmd->y + cmd->h;
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tess.xyz[ numVerts + 2 ][2] = 0;
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tess.texCoords[ numVerts + 2 ][0] = cmd->s2;
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tess.texCoords[ numVerts + 2 ][1] = cmd->t2;
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tess.xyz[ numVerts + 3 ][0] = cmd->x;
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tess.xyz[ numVerts + 3 ][1] = cmd->y + cmd->h;
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tess.xyz[ numVerts + 3 ][2] = 0;
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tess.texCoords[ numVerts + 3 ][0] = cmd->s1;
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tess.texCoords[ numVerts + 3 ][1] = cmd->t2;
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return (const void*)(cmd + 1);
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}
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static const void* RB_Triangle( const void* data )
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{
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const triangleCommand_t* cmd = (const triangleCommand_t*)data;
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if ( !backEnd.projection2D )
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RB_Set2D();
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const shader_t* shader = cmd->shader;
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if ( shader != tess.shader ) {
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if ( tess.numIndexes ) {
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RB_EndSurface();
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}
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backEnd.currentEntity = &backEnd.entity2D;
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RB_BeginSurface( shader, 0 );
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}
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RB_CHECKOVERFLOW( 3, 3 );
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int numVerts = tess.numVertexes;
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int numIndexes = tess.numIndexes;
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tess.numVertexes += 3;
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tess.numIndexes += 3;
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tess.indexes[ numIndexes + 0 ] = numVerts + 0;
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tess.indexes[ numIndexes + 1 ] = numVerts + 1;
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tess.indexes[ numIndexes + 2 ] = numVerts + 2;
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*(int *)tess.vertexColors[ numVerts ] =
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*(int *)tess.vertexColors[ numVerts + 1 ] =
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*(int *)tess.vertexColors[ numVerts + 2 ] = *(int *)backEnd.color2D;
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tess.xyz[ numVerts ][0] = cmd->x0;
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tess.xyz[ numVerts ][1] = cmd->y0;
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tess.xyz[ numVerts ][2] = 0;
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tess.texCoords[ numVerts ][0] = cmd->s0;
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tess.texCoords[ numVerts ][1] = cmd->t0;
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tess.xyz[ numVerts + 1 ][0] = cmd->x1;
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tess.xyz[ numVerts + 1 ][1] = cmd->y1;
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tess.xyz[ numVerts + 1 ][2] = 0;
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tess.texCoords[ numVerts + 1 ][0] = cmd->s1;
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tess.texCoords[ numVerts + 1 ][1] = cmd->t1;
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tess.xyz[ numVerts + 2 ][0] = cmd->x2;
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tess.xyz[ numVerts + 2 ][1] = cmd->y2;
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tess.xyz[ numVerts + 2 ][2] = 0;
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tess.texCoords[ numVerts + 2 ][0] = cmd->s2;
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tess.texCoords[ numVerts + 2 ][1] = cmd->t2;
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return (const void*)(cmd + 1);
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}
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static qbool AreShadersStillBatchable( const shader_t* a, const shader_t* b )
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{
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if ( a->lightmapIndex != b->lightmapIndex ||
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a->sort != b->sort ||
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a->fogPass != FP_NONE ||
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b->fogPass != FP_NONE ||
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a->cullType != b->cullType ||
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a->polygonOffset != b->polygonOffset ||
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a->imgflags != b->imgflags ||
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a->numStages != b->numStages ||
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a->softSprite != b->softSprite )
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return qfalse;
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for ( int i = 0; i < a->numStages; ++i ) {
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const shaderStage_t* const sa = a->stages[i];
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const shaderStage_t* const sb = b->stages[i];
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if ( sa->active != sb->active ||
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sa->type != ST_DIFFUSE ||
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sb->type != ST_DIFFUSE ||
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sa->stateBits != sb->stateBits ||
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sa->type != sb->type ||
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sa->tcGen != sb->tcGen ||
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sa->mtStages != sb->mtStages ||
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sa->bundle.isVideoMap != qfalse ||
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sb->bundle.isVideoMap != qfalse ||
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sa->bundle.image[0] != sb->bundle.image[0] )
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return qfalse;
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}
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return qtrue;
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}
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static void RB_RenderDrawSurfList( const drawSurf_t* drawSurfs, int numDrawSurfs, qbool beginView )
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{
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int i;
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const shader_t* shader = NULL;
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unsigned int sort = (unsigned int)-1;
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// save original time for entity shader offsets
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double originalTime = backEnd.refdef.floatTime;
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// we will need to change the projection matrix before drawing 2D images again
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backEnd.projection2D = qfalse;
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backEnd.pc = backEnd.pc3D;
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if ( beginView )
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gal.Begin3D();
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// draw everything
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int oldEntityNum = -1;
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backEnd.currentEntity = &tr.worldEntity;
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qbool oldDepthRange = qfalse;
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qbool depthRange = qfalse;
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backEnd.pc[RB_SURFACES] += numDrawSurfs;
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const drawSurf_t* drawSurf;
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for ( i = 0, drawSurf = drawSurfs; i < numDrawSurfs; ++i, ++drawSurf ) {
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if ( drawSurf->sort == sort ) {
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// fast path, same as previous sort
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const int firstVertex = tess.numVertexes;
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const int firstIndex = tess.numIndexes;
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rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
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if ( tess.deformsPreApplied ) {
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// across multiple shaders though, so we need to compute all the results now
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const int numVertexes = tess.numVertexes - firstVertex;
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const int numIndexes = tess.numIndexes - firstIndex;
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RB_DeformTessGeometry( firstVertex, numVertexes, firstIndex, numIndexes );
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for ( int s = 0; s < shader->numStages; ++s ) {
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R_ComputeColors( shader->stages[s], tess.svars[s], firstVertex, numVertexes );
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R_ComputeTexCoords( shader->stages[s], tess.svars[s], firstVertex, numVertexes, qfalse );
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}
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}
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continue;
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}
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int fogNum;
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const shader_t* shaderPrev = shader;
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int entityNum;
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R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum );
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const qbool softSpriteChange = shader->softSprite != tess.softSprite;
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// detect and batch surfaces across different (but sufficiently similar) shaders
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if ( !softSpriteChange &&
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oldEntityNum == ENTITYNUM_WORLD &&
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entityNum == ENTITYNUM_WORLD &&
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AreShadersStillBatchable( shaderPrev, shader ) ) {
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if ( !tess.deformsPreApplied ) {
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// this is the second shader in the sequence,
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// so we need to compute everything added with the first one now
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tess.shader = shaderPrev;
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RB_DeformTessGeometry( 0, tess.numVertexes, 0, tess.numIndexes );
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for ( int s = 0; s < shaderPrev->numStages; ++s ) {
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R_ComputeColors( shaderPrev->stages[s], tess.svars[s], 0, tess.numVertexes );
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R_ComputeTexCoords( shaderPrev->stages[s], tess.svars[s], 0, tess.numVertexes, qfalse );
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}
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}
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tess.shader = shader;
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tess.deformsPreApplied = qtrue;
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const int firstVertex = tess.numVertexes;
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const int firstIndex = tess.numIndexes;
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rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
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const int numVertexes = tess.numVertexes - firstVertex;
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const int numIndexes = tess.numIndexes - firstIndex;
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RB_DeformTessGeometry( firstVertex, numVertexes, firstIndex, numIndexes );
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for ( int s = 0; s < shader->numStages; ++s ) {
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R_ComputeColors( shader->stages[s], tess.svars[s], firstVertex, numVertexes );
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R_ComputeTexCoords( shader->stages[s], tess.svars[s], firstVertex, numVertexes, qfalse );
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}
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sort = drawSurf->sort;
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oldEntityNum = entityNum;
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continue;
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}
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// "entityMergable" shaders can have surfaces from multiple refentities
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// merged into a single batch, like (CONCEPTUALLY) smoke and blood puff sprites
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// only legacy code still uses them though, because refents are so heavyweight:
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// modern code just billboards in cgame and submits raw polys, all of which are
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// ENTITYNUM_WORLD and thus automatically take the "same sort" fast path
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if ( !shader->entityMergable || ((sort ^ drawSurf->sort) & ~QSORT_ENTITYNUM_MASK) || softSpriteChange ) {
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if (shaderPrev)
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RB_EndSurface();
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RB_BeginSurface( shader, fogNum );
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tess.softSprite = shader->softSprite;
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}
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sort = drawSurf->sort;
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//
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// change the modelview matrix if needed
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//
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if ( entityNum != oldEntityNum ) {
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depthRange = qfalse;
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if ( entityNum != ENTITYNUM_WORLD ) {
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backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
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if (backEnd.currentEntity->intShaderTime)
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backEnd.refdef.floatTime = originalTime - (double)(backEnd.currentEntity->e.shaderTime.iShaderTime) / 1000.0;
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else
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backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime.fShaderTime;
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// we have to reset the shaderTime as well otherwise image animations start
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// from the wrong frame
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tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
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// set up the transformation matrix
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R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.orient );
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if ( backEnd.currentEntity->e.renderfx & RF_DEPTHHACK ) {
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// hack the depth range to prevent view model from poking into walls
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depthRange = qtrue;
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}
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} else {
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backEnd.currentEntity = &tr.worldEntity;
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backEnd.refdef.floatTime = originalTime;
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backEnd.orient = backEnd.viewParms.world;
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// we have to reset the shaderTime as well otherwise image animations on
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// the world (like water) continue with the wrong frame
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tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
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}
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gal.SetModelViewMatrix( backEnd.orient.modelMatrix );
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//
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// change depthrange if needed
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//
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if ( oldDepthRange != depthRange ) {
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if ( depthRange ) {
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gal.SetDepthRange( 0, 0.3 );
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} else {
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gal.SetDepthRange( 0, 1 );
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}
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oldDepthRange = depthRange;
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}
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oldEntityNum = entityNum;
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}
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// add the triangles for this surface
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rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
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}
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backEnd.refdef.floatTime = originalTime;
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// draw the contents of the last shader batch
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if (shader) {
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RB_EndSurface();
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}
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// go back to the world modelview matrix
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gal.SetModelViewMatrix( backEnd.viewParms.world.modelMatrix );
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if ( depthRange ) {
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gal.SetDepthRange( 0, 1 );
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}
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}
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static void RB_RenderLitSurfList( dlight_t* dl, qbool opaque )
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{
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if (!dl->head)
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return;
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const shader_t* shader = NULL;
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int entityNum, oldEntityNum;
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qbool depthRange, oldDepthRange;
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unsigned int sort = (unsigned int)-1;
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// save original time for entity shader offsets
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double originalTime = backEnd.refdef.floatTime;
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// draw everything
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const int liquidFlags = CONTENTS_LAVA | CONTENTS_SLIME | CONTENTS_WATER;
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oldEntityNum = -1;
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backEnd.currentEntity = &tr.worldEntity;
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backEnd.dlOpaque = opaque;
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oldDepthRange = qfalse;
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depthRange = qfalse;
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tess.light = dl;
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for ( litSurf_t* litSurf = dl->head; litSurf; litSurf = litSurf->next ) {
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++backEnd.pc[RB_LIT_SURFACES];
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if ( litSurf->sort == sort ) {
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// fast path, same as previous sort
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rb_surfaceTable[ *litSurf->surface ]( litSurf->surface );
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continue;
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}
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int fogNum;
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const shader_t* shaderPrev = shader;
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R_DecomposeSort( litSurf->sort, &entityNum, &shader, &fogNum );
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if (opaque && shader->sort > SS_OPAQUE)
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continue;
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if (!opaque && shader->sort <= SS_OPAQUE)
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continue;
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if (shaderPrev)
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RB_EndSurface();
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RB_BeginSurface( shader, fogNum );
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// stage index is guaranteed valid by R_AddLitSurface
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const int stageIndex = tess.shader->lightingStages[ST_DIFFUSE];
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const shaderStage_t* const stage = tess.xstages[stageIndex];
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backEnd.dlIntensity = (shader->contentFlags & liquidFlags) != 0 ? 0.5f : 1.0f;
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backEnd.dlStateBits =
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(opaque || (stage->stateBits & GLS_ATEST_BITS) != 0) ?
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(GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL):
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(GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE);
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sort = litSurf->sort;
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//
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// change the modelview matrix if needed
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//
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if ( entityNum != oldEntityNum ) {
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depthRange = qfalse;
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if ( entityNum != ENTITYNUM_WORLD ) {
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backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
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if (backEnd.currentEntity->intShaderTime)
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backEnd.refdef.floatTime = originalTime - (double)backEnd.currentEntity->e.shaderTime.iShaderTime;
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else
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backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime.fShaderTime;
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// we have to reset the shaderTime as well otherwise image animations start
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// from the wrong frame
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tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
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// set up the transformation matrix
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R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.orient );
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if ( backEnd.currentEntity->e.renderfx & RF_DEPTHHACK ) {
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// hack the depth range to prevent view model from poking into walls
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depthRange = qtrue;
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}
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} else {
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backEnd.currentEntity = &tr.worldEntity;
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backEnd.refdef.floatTime = originalTime;
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backEnd.orient = backEnd.viewParms.world;
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// we have to reset the shaderTime as well otherwise image animations on
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// the world (like water) continue with the wrong frame
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tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
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R_TransformDlights( 1, dl, &backEnd.orient );
|
|
}
|
|
|
|
R_TransformDlights( 1, dl, &backEnd.orient );
|
|
gal.BeginDynamicLight();
|
|
|
|
gal.SetModelViewMatrix( backEnd.orient.modelMatrix );
|
|
|
|
//
|
|
// change depthrange if needed
|
|
//
|
|
if ( oldDepthRange != depthRange ) {
|
|
if ( depthRange ) {
|
|
gal.SetDepthRange( 0, 0.3 );
|
|
} else {
|
|
gal.SetDepthRange( 0, 1 );
|
|
}
|
|
oldDepthRange = depthRange;
|
|
}
|
|
|
|
oldEntityNum = entityNum;
|
|
}
|
|
|
|
// add the triangles for this surface
|
|
rb_surfaceTable[ *litSurf->surface ]( litSurf->surface );
|
|
}
|
|
|
|
backEnd.refdef.floatTime = originalTime;
|
|
|
|
// draw the contents of the last shader batch
|
|
if (shader) {
|
|
RB_EndSurface();
|
|
}
|
|
|
|
// go back to the world modelview matrix
|
|
gal.SetModelViewMatrix( backEnd.viewParms.world.modelMatrix );
|
|
if ( depthRange ) {
|
|
gal.SetDepthRange( 0, 1 );
|
|
}
|
|
}
|
|
|
|
|
|
static void R_DebugPolygon( int colorMask, int numPoints, const float* points )
|
|
{
|
|
RB_PushSingleStageShader( GLS_DEPTHMASK_TRUE | GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE, CT_FRONT_SIDED );
|
|
shaderStage_t& stage = *tess.shader->stages[0];
|
|
|
|
// solid
|
|
for ( int i = 0; i < numPoints; ++i ) {
|
|
tess.xyz[i][0] = points[i * 3 + 0];
|
|
tess.xyz[i][1] = points[i * 3 + 1];
|
|
tess.xyz[i][2] = points[i * 3 + 2];
|
|
tess.xyz[i][3] = 1.0f;
|
|
}
|
|
for ( int i = 1, n = 0; i < numPoints - 1; ++i ) {
|
|
tess.indexes[n++] = 0;
|
|
tess.indexes[n++] = i + 0;
|
|
tess.indexes[n++] = i + 1;
|
|
}
|
|
tess.numVertexes = numPoints;
|
|
tess.numIndexes = (numPoints - 2) * 3;
|
|
stage.rgbGen = CGEN_CONST;
|
|
stage.constantColor[0] = (colorMask & 1) ? 255 : 0;
|
|
stage.constantColor[1] = ((colorMask >> 1) & 1) ? 255 : 0;
|
|
stage.constantColor[2] = ((colorMask >> 2) & 1) ? 255 : 0;
|
|
stage.constantColor[3] = 255;
|
|
R_ComputeColors( &stage, tess.svars[0], 0, numPoints );
|
|
gal.Draw( DT_GENERIC );
|
|
|
|
// wireframe
|
|
for ( int i = 0, n = 0; i < numPoints; ++i ) {
|
|
tess.indexes[n++] = i;
|
|
tess.indexes[n++] = i;
|
|
tess.indexes[n++] = (i + 1) % numPoints;
|
|
}
|
|
tess.numIndexes = numPoints * 3;
|
|
stage.stateBits |= GLS_POLYMODE_LINE;
|
|
stage.rgbGen = CGEN_IDENTITY;
|
|
R_ComputeColors( &stage, tess.svars[0], 0, numPoints );
|
|
gal.SetDepthRange( 0, 0 );
|
|
gal.Draw( DT_GENERIC );
|
|
gal.SetDepthRange( 0, 1 );
|
|
|
|
RB_PopShader();
|
|
tess.numVertexes = 0;
|
|
tess.numIndexes = 0;
|
|
}
|
|
|
|
|
|
static const void* RB_DrawSurfs( const void* data )
|
|
{
|
|
const drawSurfsCommand_t* cmd = (const drawSurfsCommand_t*)data;
|
|
|
|
// finish any 2D drawing if needed
|
|
if ( tess.numIndexes )
|
|
RB_EndSurface();
|
|
|
|
backEnd.refdef = cmd->refdef;
|
|
backEnd.viewParms = cmd->viewParms;
|
|
|
|
const int opaqueCount = cmd->numDrawSurfs - cmd->numTranspSurfs;
|
|
const int transpCount = cmd->numTranspSurfs;
|
|
|
|
tess.pass = shaderCommands_t::TP_BASE;
|
|
RB_RenderDrawSurfList( cmd->drawSurfs, opaqueCount, qtrue );
|
|
|
|
tess.pass = shaderCommands_t::TP_LIGHT;
|
|
for ( int i = 0; i < backEnd.refdef.num_dlights; ++i ) {
|
|
RB_RenderLitSurfList( &backEnd.refdef.dlights[i], qtrue );
|
|
}
|
|
|
|
tess.pass = shaderCommands_t::TP_BASE;
|
|
RB_RenderDrawSurfList( cmd->drawSurfs + opaqueCount, transpCount, qfalse );
|
|
|
|
tess.pass = shaderCommands_t::TP_LIGHT;
|
|
for ( int i = 0; i < backEnd.refdef.num_dlights; ++i ) {
|
|
RB_RenderLitSurfList( &backEnd.refdef.dlights[i], qfalse );
|
|
}
|
|
|
|
tess.pass = shaderCommands_t::TP_BASE;
|
|
|
|
// draw main system development information (surface outlines, etc)
|
|
if ( r_debugSurface->integer )
|
|
ri.CM_DrawDebugSurface( R_DebugPolygon );
|
|
|
|
return (const void*)(cmd + 1);
|
|
}
|
|
|
|
|
|
static const void* RB_BeginFrame( const void* data )
|
|
{
|
|
const beginFrameCommand_t* cmd = (const beginFrameCommand_t*)data;
|
|
|
|
R_SetColorMappings();
|
|
gal.BeginFrame();
|
|
|
|
return (const void*)(cmd + 1);
|
|
}
|
|
|
|
|
|
static const void* RB_SwapBuffers( const void* data )
|
|
{
|
|
// finish any 2D drawing if needed
|
|
if ( tess.numIndexes ) {
|
|
RB_EndSurface();
|
|
}
|
|
|
|
// This has been moved here to make sure the Present/SwapBuffer
|
|
// call gets ignored for CPU timing as V-Sync would mess it all up.
|
|
// We can't really "charge" 2D/3D properly, so it all counts as 3D.
|
|
const int64_t endTime = ri.Microseconds();
|
|
backEnd.pc3D[RB_USEC] = (int)( endTime - startTime );
|
|
|
|
const swapBuffersCommand_t* cmd = (const swapBuffersCommand_t*)data;
|
|
gal.EndFrame();
|
|
Sys_V_EndFrame();
|
|
const int64_t swapTime = ri.Microseconds();
|
|
backEnd.pc3D[RB_USEC_END] = (int)( swapTime - endTime );
|
|
backEnd.projection2D = qfalse;
|
|
backEnd.pc = backEnd.pc3D;
|
|
|
|
return (const void*)(cmd + 1);
|
|
}
|
|
|
|
|
|
void RB_ExecuteRenderCommands( const void *data )
|
|
{
|
|
startTime = ri.Microseconds();
|
|
|
|
while ( 1 ) {
|
|
data = PADP(data, sizeof(void *));
|
|
|
|
switch ( *(const int *)data ) {
|
|
case RC_SET_COLOR:
|
|
data = RB_SetColor( data );
|
|
break;
|
|
case RC_STRETCH_PIC:
|
|
data = RB_StretchPic( data );
|
|
break;
|
|
case RC_TRIANGLE:
|
|
data = RB_Triangle( data );
|
|
break;
|
|
case RC_DRAW_SURFS:
|
|
data = RB_DrawSurfs( data );
|
|
break;
|
|
case RC_BEGIN_FRAME:
|
|
data = RB_BeginFrame( data );
|
|
break;
|
|
case RC_SWAP_BUFFERS:
|
|
data = RB_SwapBuffers( data );
|
|
break;
|
|
case RC_SCREENSHOT:
|
|
data = RB_TakeScreenshotCmd( (const screenshotCommand_t*)data );
|
|
break;
|
|
case RC_VIDEOFRAME:
|
|
data = RB_TakeVideoFrameCmd( data );
|
|
break;
|
|
|
|
case RC_END_OF_LIST:
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static const shader_t* prevShader = NULL;
|
|
static const shaderStage_t** prevStages = NULL;
|
|
static shader_t shader;
|
|
static shaderStage_t stage;
|
|
static const shaderStage_t* stagePtr = &stage;
|
|
|
|
|
|
void RB_PushSingleStageShader( int stateBits, cullType_t cullType )
|
|
{
|
|
prevShader = tess.shader;
|
|
prevStages = tess.xstages;
|
|
tess.xstages = &stagePtr;
|
|
tess.shader = &shader;
|
|
|
|
memset(&stage, 0, sizeof(stage));
|
|
stage.active = qtrue;
|
|
stage.bundle.image[0] = tr.whiteImage;
|
|
stage.stateBits = stateBits;
|
|
stage.rgbGen = CGEN_IDENTITY;
|
|
stage.alphaGen = AGEN_IDENTITY;
|
|
stage.tcGen = TCGEN_TEXTURE;
|
|
|
|
memset(&shader, 0, sizeof(shader));
|
|
shader.cullType = cullType;
|
|
shader.numStages = 1;
|
|
shader.stages[0] = &stage;
|
|
}
|
|
|
|
|
|
void RB_PopShader()
|
|
{
|
|
tess.shader = prevShader;
|
|
tess.xstages = prevStages;
|
|
}
|
|
|
|
|
|
// used when a player has predicted a teleport, but hasn't arrived yet
|
|
float RB_HyperspaceColor()
|
|
{
|
|
const float c = 0.25f + 0.5f * sinf(M_PI * (backEnd.refdef.time & 0x01FF) / 0x0200);
|
|
|
|
return c;
|
|
}
|