/*
** RB_DrawSun
*/
void RB_DrawSun( float scale, shader_t *shader ) {
float size;
float dist;
vec3_t origin, vec1, vec2;
byte sunColor[4] = { 255, 255, 255, 255 };
if ( !backEnd.skyRenderedThisView ) {
return;
}
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
qglTranslatef (backEnd.viewParms.or.origin[0], backEnd.viewParms.or.origin[1], backEnd.viewParms.or.origin[2]);
dist = backEnd.viewParms.zFar / 1.75; // div sqrt(3)
size = dist * scale;
VectorScale( tr.sunDirection, dist, origin );
PerpendicularVector( vec1, tr.sunDirection );
CrossProduct( tr.sunDirection, vec1, vec2 );
VectorScale( vec1, size, vec1 );
VectorScale( vec2, size, vec2 );
// farthest depth range
qglDepthRange( 1.0, 1.0 );
RB_BeginSurface( shader, 0 );
RB_AddQuadStamp(origin, vec1, vec2, sunColor);
RB_EndSurface();
// back to normal depth range
qglDepthRange( 0.0, 1.0 );
}
/*
=============
RB_StretchPic
=============
*/
static void RB_StretchPic ( const void *data ) {
const stretchPicCommand_t *cmd;
shader_t *shader;
int *indexes;
vec2_t *texCoords;
vecSimd_t *xyz;
color4ub_t *colors;
cmd = (const stretchPicCommand_t *)data;
if ( !backEnd.projection2D ) {
RB_SetGL2D();
}
shader = cmd->shader;
if ( shader != tess.shader ) {
RB_EndSurface();
RB_BeginSurface( shader, 0 );
}
RB_CheckOverflow( 4, 6 );
indexes = tess.indexes + tess.numIndexes;
indexes[0] = tess.numVertexes + 3;
indexes[1] = tess.numVertexes + 0;
indexes[2] = tess.numVertexes + 2;
indexes[3] = tess.numVertexes + 2;
indexes[4] = tess.numVertexes + 0;
indexes[5] = tess.numVertexes + 1;
colors = tess.colors + tess.numVertexes;
Byte4Copy( backEnd.color2D, colors[0] );
Byte4Copy( backEnd.color2D, colors[1] );
Byte4Copy( backEnd.color2D, colors[2] );
Byte4Copy( backEnd.color2D, colors[3] );
xyz = tess.xyz + tess.numVertexes;
VectorSet( xyz[0], cmd->x, cmd->y, 0 );
VectorSet( xyz[1], cmd->x + cmd->w, cmd->y, 0 );
VectorSet( xyz[2], cmd->x + cmd->w, cmd->y + cmd->h, 0 );
VectorSet( xyz[3], cmd->x, cmd->y + cmd->h, 0 );
texCoords = tess.texCoords + tess.numVertexes;
texCoords[0][0] = cmd->s1;
texCoords[0][1] = cmd->t1;
texCoords[1][0] = cmd->s2;
texCoords[1][1] = cmd->t1;
texCoords[2][0] = cmd->s2;
texCoords[2][1] = cmd->t2;
texCoords[3][0] = cmd->s1;
texCoords[3][1] = cmd->t2;
tess.numVertexes += 4;
tess.numIndexes += 6;
}
const void *RB_Draw2dPolys( const void *data )
{
const poly2dCommand_t *cmd;
shader_t *shader;
int i;
cmd = ( const poly2dCommand_t * ) data;
if ( !backEnd.projection2D )
{
RB_SetGL2D();
}
shader = cmd->shader;
if ( shader != tess.shader )
{
if ( tess.numIndexes )
{
RB_EndSurface();
}
backEnd.currentEntity = &backEnd.entity2D;
RB_BeginSurface( shader, 0 );
}
RB_CHECKOVERFLOW( cmd->numverts, ( cmd->numverts - 2 ) * 3 );
for ( i = 0; i < cmd->numverts - 2; i++ )
{
tess.indexes[ tess.numIndexes + 0 ] = tess.numVertexes;
tess.indexes[ tess.numIndexes + 1 ] = tess.numVertexes + i + 1;
tess.indexes[ tess.numIndexes + 2 ] = tess.numVertexes + i + 2;
tess.numIndexes += 3;
}
for ( i = 0; i < cmd->numverts; i++ )
{
tess.xyz[ tess.numVertexes ].v[ 0 ] = cmd->verts[ i ].xyz[ 0 ];
tess.xyz[ tess.numVertexes ].v[ 1 ] = cmd->verts[ i ].xyz[ 1 ];
tess.xyz[ tess.numVertexes ].v[ 2 ] = 0;
tess.texCoords0[ tess.numVertexes ].v[ 0 ] = cmd->verts[ i ].st[ 0 ];
tess.texCoords0[ tess.numVertexes ].v[ 1 ] = cmd->verts[ i ].st[ 1 ];
tess.vertexColors[ tess.numVertexes ].v[ 0 ] = cmd->verts[ i ].modulate[ 0 ];
tess.vertexColors[ tess.numVertexes ].v[ 1 ] = cmd->verts[ i ].modulate[ 1 ];
tess.vertexColors[ tess.numVertexes ].v[ 2 ] = cmd->verts[ i ].modulate[ 2 ];
tess.vertexColors[ tess.numVertexes ].v[ 3 ] = cmd->verts[ i ].modulate[ 3 ];
tess.numVertexes++;
}
return ( const void * )( cmd + 1 );
}
void RB_CheckVao(vao_t *vao)
{
if (vao != glState.currentVao)
{
RB_EndSurface();
RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex);
R_BindVao(vao);
}
if (vao != tess.vao)
tess.useInternalVao = qfalse;
}
void RB_CheckVao(vao_t *vao)
{
if (vao != glState.currentVao || tess.multiDrawPrimitives >= MAX_MULTIDRAW_PRIMITIVES)
{
RB_EndSurface();
RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex);
R_BindVao(vao);
}
if (vao != tess.vao)
tess.useInternalVao = qfalse;
}
/*
==============
RB_CheckOverflow
==============
*/
void RB_CheckOverflow( int verts, int indexes ) {
if (tess.numVertexes + verts < SHADER_MAX_VERTEXES
&& tess.numIndexes + indexes < SHADER_MAX_INDEXES) {
return;
}
RB_EndSurface();
if ( verts >= SHADER_MAX_VERTEXES ) {
ri.Error(ERR_DROP, "RB_CheckOverflow: verts > MAX (%d > %d)", verts, SHADER_MAX_VERTEXES );
}
if ( indexes >= SHADER_MAX_INDEXES ) {
ri.Error(ERR_DROP, "RB_CheckOverflow: indices > MAX (%d > %d)", indexes, SHADER_MAX_INDEXES );
}
RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex );
}
void RB_CheckOverflow( int verts, int indexes ) {
if (tess.numVertexes + verts < ACTUAL_SHADER_MAX_VERTEXES
&& tess.numIndexes + indexes < ACTUAL_SHADER_MAX_INDEXES) {
return;
}
RB_EndSurface();
if ( verts >= ACTUAL_SHADER_MAX_VERTEXES ) {
ri.Error(ERR_DROP, "RB_CheckOverflow: verts > MAX (%d > %d)", verts, ACTUAL_SHADER_MAX_VERTEXES );
}
if ( indexes >= ACTUAL_SHADER_MAX_INDEXES ) {
ri.Error(ERR_DROP, "RB_CheckOverflow: indices > MAX (%d > %d)", indexes, ACTUAL_SHADER_MAX_INDEXES );
}
RB_BeginSurface(NULL/*MODVIEWREM tess.shader*/, 0/*MODVIEWREM tess.fogNum*/, tess.gluiTextureBind );
}
static qboolean RB_SurfaceVaoCached(int numVerts, srfVert_t *verts, int numIndexes, glIndex_t *indexes, int dlightBits, int pshadowBits)
{
qboolean recycleVertexBuffer = qfalse;
qboolean recycleIndexBuffer = qfalse;
qboolean endSurface = qfalse;
if (!(!ShaderRequiresCPUDeforms(tess.shader) && !tess.shader->isSky && !tess.shader->isPortal))
return qfalse;
if (!numIndexes || !numVerts)
return qfalse;
VaoCache_BindVao();
tess.dlightBits |= dlightBits;
tess.pshadowBits |= pshadowBits;
VaoCache_CheckAdd(&endSurface, &recycleVertexBuffer, &recycleIndexBuffer, numVerts, numIndexes);
if (endSurface)
{
RB_EndSurface();
RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex);
}
if (recycleVertexBuffer)
VaoCache_RecycleVertexBuffer();
if (recycleIndexBuffer)
VaoCache_RecycleIndexBuffer();
if (!tess.numVertexes)
VaoCache_InitQueue();
VaoCache_AddSurface(verts, numVerts, indexes, numIndexes);
tess.numIndexes += numIndexes;
tess.numVertexes += numVerts;
tess.useInternalVao = qfalse;
tess.useCacheVao = qtrue;
return qtrue;
}
/*
** RB_DrawSun
*/
void RB_DrawSun( float scale, shader_t *shader ) {
float size;
float dist;
vec3_t origin, vec1, vec2;
if ( !backEnd.skyRenderedThisView ) {
return;
}
//qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
//qglTranslatef (backEnd.viewParms.or.origin[0], backEnd.viewParms.or.origin[1], backEnd.viewParms.or.origin[2]);
{
// FIXME: this could be a lot cleaner
mat4_t translation, modelview;
Mat4Translation( backEnd.viewParms.or.origin, translation );
Mat4Multiply( backEnd.viewParms.world.modelMatrix, translation, modelview );
GL_SetModelviewMatrix( modelview );
}
dist = backEnd.viewParms.zFar / 1.75; // div sqrt(3)
size = dist * scale;
VectorScale( tr.sunDirection, dist, origin );
PerpendicularVector( vec1, tr.sunDirection );
CrossProduct( tr.sunDirection, vec1, vec2 );
VectorScale( vec1, size, vec1 );
VectorScale( vec2, size, vec2 );
// farthest depth range
qglDepthRange( 1.0, 1.0 );
RB_BeginSurface( shader, 0, 0 );
RB_AddQuadStamp(origin, vec1, vec2, colorWhite);
RB_EndSurface();
// back to normal depth range
qglDepthRange( 0.0, 1.0 );
}
const void *RB_WorldEffects( const void *data )
{
const setModeCommand_t *cmd;
cmd = (const setModeCommand_t *)data;
// Always flush the tess buffer
if ( tess.shader && tess.numIndexes )
{
RB_EndSurface();
}
RB_RenderWorldEffects();
if(tess.shader)
{
RB_BeginSurface( tess.shader, tess.fogNum );
}
return (const void *)(cmd + 1);
}
/*
==================
RB_RenderFlare
==================
*/
void RB_RenderFlare( flare_t *f ) {
float size;
vec3_t color;
int iColor[3];
backEnd.pc.c_flareRenders++;
VectorScale( f->color, f->drawIntensity*tr.identityLight, color );
iColor[0] = color[0] * 255;
iColor[1] = color[1] * 255;
iColor[2] = color[2] * 255;
size = f->lightScale * backEnd.viewParms.viewportWidth * ( r_flareSize->value/640.0 + 8 / -f->eyeZ );
RB_BeginSurface( tr.flareShader, f->fogNum );
// FIXME: use quadstamp?
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
}
/*
==================
RB_RenderDrawSurfList
==================
*/
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
qboolean depthRange, oldDepthRange;
int i;
drawSurf_t *drawSurf;
int oldSort;
float originalTime;
int oldNumVerts, oldNumIndex;
//GR - tessellation flag
int atiTess = 0, oldAtiTess;
#ifdef __MACOS__
int macEventTime;
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
// we don't want to pump the event loop too often and waste time, so
// we are going to check every shader change
macEventTime = ri.Milliseconds() + MAC_EVENT_PUMP_MSEC;
#endif
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView();
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
oldDlighted = qfalse;
oldSort = -1;
depthRange = qfalse;
// GR - tessellation also forces to draw everything
oldAtiTess = -1;
backEnd.pc.c_surfaces += numDrawSurfs;
for ( i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++ ) {
if ( drawSurf->sort == oldSort ) {
// fast path, same as previous sort
oldNumVerts = tess.numVertexes;
oldNumIndex = tess.numIndexes;
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
/*
// RF, convert the newly created vertexes into dust particles, and overwrite
if (backEnd.currentEntity->e.reFlags & REFLAG_ZOMBIEFX) {
RB_ZombieFX( 0, drawSurf, oldNumVerts, oldNumIndex );
}
else if (backEnd.currentEntity->e.reFlags & REFLAG_ZOMBIEFX2) {
RB_ZombieFX( 1, drawSurf, oldNumVerts, oldNumIndex );
}
*/
continue;
}
oldSort = drawSurf->sort;
// GR - also extract tesselation flag
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted, &atiTess );
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if ( shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
// GR - force draw on tessellation flag change
|| ( atiTess != oldAtiTess )
|| ( entityNum != oldEntityNum && !shader->entityMergable ) ) {
if ( oldShader != NULL ) {
#ifdef __MACOS__ // crutch up the mac's limited buffer queue size
int t;
t = ri.Milliseconds();
if ( t > macEventTime ) {
macEventTime = t + MAC_EVENT_PUMP_MSEC;
Sys_PumpEvents();
}
#endif
// GR - pass tessellation flag to the shader command
// make sure to use oldAtiTess!!!
tess.ATI_tess = ( oldAtiTess == ATI_TESS_TRUFORM );
RB_EndSurface();
}
RB_BeginSurface( shader, fogNum );
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
// GR - update old tessellation flag
oldAtiTess = atiTess;
}
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
depthRange = qfalse;
if ( entityNum != ENTITYNUM_WORLD ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// we have to reset the shaderTime as well otherwise image animations start
// from the wrong frame
// tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.or );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
if ( backEnd.currentEntity->e.renderfx & RF_DEPTHHACK ) {
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
// we have to reset the shaderTime as well otherwise image animations on
// the world (like water) continue with the wrong frame
// tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
qglLoadMatrixf( backEnd.or.modelMatrix );
//
// change depthrange if needed
//
if ( oldDepthRange != depthRange ) {
if ( depthRange ) {
qglDepthRange( 0, 0.3 );
} else {
qglDepthRange( 0, 1 );
}
oldDepthRange = depthRange;
}
oldEntityNum = entityNum;
}
// RF, ZOMBIEFX, store the tess indexes, so we can grab the calculated
// vertex positions and normals, and convert them into dust particles
oldNumVerts = tess.numVertexes;
oldNumIndex = tess.numIndexes;
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
// RF, convert the newly created vertexes into dust particles, and overwrite
if ( backEnd.currentEntity->e.reFlags & REFLAG_ZOMBIEFX ) {
RB_ZombieFX( 0, drawSurf, oldNumVerts, oldNumIndex );
} else if ( backEnd.currentEntity->e.reFlags & REFLAG_ZOMBIEFX2 ) {
RB_ZombieFX( 1, drawSurf, oldNumVerts, oldNumIndex );
}
}
// draw the contents of the last shader batch
if ( oldShader != NULL ) {
// GR - pass tessellation flag to the shader command
// make sure to use oldAtiTess!!!
tess.ATI_tess = ( oldAtiTess == ATI_TESS_TRUFORM );
RB_EndSurface();
}
// go back to the world modelview matrix
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
if ( depthRange ) {
qglDepthRange( 0, 1 );
}
// (SA) draw sun
RB_DrawSun();
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
RB_RenderFlares();
#ifdef __MACOS__
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
#endif
}
/*
==================
RB_RenderDrawSurfList
==================
*/
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
qboolean depthRange, oldDepthRange, isCrosshair, wasCrosshair;
int i;
drawSurf_t *drawSurf;
int oldSort;
float originalTime;
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
wasCrosshair = qfalse;
oldDlighted = qfalse;
oldSort = -1;
depthRange = qfalse;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
if ( drawSurf->sort == oldSort ) {
// fast path, same as previous sort
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
continue;
}
oldSort = drawSurf->sort;
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted );
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if (shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
|| ( entityNum != oldEntityNum && !shader->entityMergable ) ) {
if (oldShader != NULL) {
RB_EndSurface();
}
RB_BeginSurface( shader, fogNum );
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
}
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
depthRange = isCrosshair = qfalse;
if ( entityNum != REFENTITYNUM_WORLD ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// we have to reset the shaderTime as well otherwise image animations start
// from the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.or );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
if(backEnd.currentEntity->e.renderfx & RF_DEPTHHACK)
{
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
if(backEnd.currentEntity->e.renderfx & RF_CROSSHAIR)
isCrosshair = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
// we have to reset the shaderTime as well otherwise image animations on
// the world (like water) continue with the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
qglLoadMatrixf( backEnd.or.modelMatrix );
//
// change depthrange. Also change projection matrix so first person weapon does not look like coming
// out of the screen.
//
if (oldDepthRange != depthRange || wasCrosshair != isCrosshair)
{
if (depthRange)
{
if(backEnd.viewParms.stereoFrame != STEREO_CENTER)
{
if(isCrosshair)
{
if(oldDepthRange)
{
// was not a crosshair but now is, change back proj matrix
qglMatrixMode(GL_PROJECTION);
qglLoadMatrixf(backEnd.viewParms.projectionMatrix);
qglMatrixMode(GL_MODELVIEW);
}
}
else
{
viewParms_t temp = backEnd.viewParms;
R_SetupProjection(&temp, r_znear->value, qfalse);
qglMatrixMode(GL_PROJECTION);
qglLoadMatrixf(temp.projectionMatrix);
qglMatrixMode(GL_MODELVIEW);
}
}
if(!oldDepthRange)
qglDepthRange (0, 0.3);
}
else
{
if(!wasCrosshair && backEnd.viewParms.stereoFrame != STEREO_CENTER)
{
qglMatrixMode(GL_PROJECTION);
qglLoadMatrixf(backEnd.viewParms.projectionMatrix);
qglMatrixMode(GL_MODELVIEW);
}
qglDepthRange (0, 1);
}
oldDepthRange = depthRange;
wasCrosshair = isCrosshair;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
}
backEnd.refdef.floatTime = originalTime;
// draw the contents of the last shader batch
if (oldShader != NULL) {
RB_EndSurface();
}
// go back to the world modelview matrix
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
if ( depthRange ) {
qglDepthRange (0, 1);
}
#if 0
RB_DrawSun();
#endif
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
RB_RenderFlares();
}
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
int depthRange, oldDepthRange;
int i;
drawSurf_t *drawSurf;
unsigned int oldSort;
float originalTime;
trRefEntity_t *curEnt;
postRender_t *pRender;
bool didShadowPass = false;
#ifdef __MACOS__
int macEventTime;
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
// we don't want to pump the event loop too often and waste time, so
// we are going to check every shader change
macEventTime = ri.Milliseconds() + MAC_EVENT_PUMP_MSEC;
#endif
if (g_bRenderGlowingObjects)
{ //only shadow on initial passes
didShadowPass = true;
}
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
oldDlighted = qfalse;
oldSort = (unsigned int) -1;
depthRange = qfalse;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
if ( drawSurf->sort == oldSort ) {
// fast path, same as previous sort
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
continue;
}
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted );
// If we're rendering glowing objects, but this shader has no stages with glow, skip it!
if ( g_bRenderGlowingObjects && !shader->hasGlow )
{
shader = oldShader;
entityNum = oldEntityNum;
fogNum = oldFogNum;
dlighted = oldDlighted;
continue;
}
oldSort = drawSurf->sort;
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if (entityNum != TR_WORLDENT &&
g_numPostRenders < MAX_POST_RENDERS)
{
if ( (backEnd.refdef.entities[entityNum].e.renderfx & RF_DISTORTION)/* ||
(backEnd.refdef.entities[entityNum].e.renderfx & RF_FORCE_ENT_ALPHA)*/)
//not sure if we need this alpha fix for sp or not, leaving it out for now -rww
{ //must render last
curEnt = &backEnd.refdef.entities[entityNum];
pRender = &g_postRenders[g_numPostRenders];
g_numPostRenders++;
depthRange = 0;
//figure this stuff out now and store it
if ( curEnt->e.renderfx & RF_NODEPTH )
{
depthRange = 2;
}
else if ( curEnt->e.renderfx & RF_DEPTHHACK )
{
depthRange = 1;
}
pRender->depthRange = depthRange;
//It is not necessary to update the old* values because
//we are not updating now with the current values.
depthRange = oldDepthRange;
//store off the ent num
pRender->entNum = entityNum;
//remember the other values necessary for rendering this surf
pRender->drawSurf = drawSurf;
pRender->dlighted = dlighted;
pRender->fogNum = fogNum;
pRender->shader = shader;
//assure the info is back to the last set state
shader = oldShader;
entityNum = oldEntityNum;
fogNum = oldFogNum;
dlighted = oldDlighted;
oldSort = (unsigned int)-1; //invalidate this thing, cause we may want to postrender more surfs of the same sort
//continue without bothering to begin a draw surf
continue;
}
}
if (shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
|| ( entityNum != oldEntityNum && !shader->entityMergable ) )
{
if (oldShader != NULL) {
#ifdef __MACOS__ // crutch up the mac's limited buffer queue size
int t;
t = ri.Milliseconds();
if ( t > macEventTime ) {
macEventTime = t + MAC_EVENT_PUMP_MSEC;
Sys_PumpEvents();
}
#endif
RB_EndSurface();
if (!didShadowPass && shader && shader->sort > SS_BANNER)
{
RB_ShadowFinish();
didShadowPass = true;
}
}
RB_BeginSurface( shader, fogNum );
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
}
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
depthRange = qfalse;
if ( entityNum != TR_WORLDENT ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.ori );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
#ifdef VV_LIGHTING
VVLightMan.R_TransformDlights( &backEnd.ori );
#else
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.ori );
#endif
}
if ( backEnd.currentEntity->e.renderfx & RF_NODEPTH ) {
// No depth at all, very rare but some things for seeing through walls
depthRange = 2;
}
else if ( backEnd.currentEntity->e.renderfx & RF_DEPTHHACK ) {
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.ori = backEnd.viewParms.world;
#ifdef VV_LIGHTING
VVLightMan.R_TransformDlights( &backEnd.ori );
#else
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.ori );
#endif
}
qglLoadMatrixf( backEnd.ori.modelMatrix );
//
// change depthrange if needed
//
if ( oldDepthRange != depthRange ) {
switch ( depthRange ) {
default:
case 0:
qglDepthRange (0, 1);
break;
case 1:
qglDepthRange (0, .3);
break;
case 2:
qglDepthRange (0, 0);
break;
}
oldDepthRange = depthRange;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
}
// draw the contents of the last shader batch
if (oldShader != NULL) {
RB_EndSurface();
}
if (tr_stencilled && tr_distortionPrePost)
{ //ok, cap it now
RB_CaptureScreenImage();
RB_DistortionFill();
}
//render distortion surfs (or anything else that needs to be post-rendered)
if (g_numPostRenders > 0)
{
int lastPostEnt = -1;
while (g_numPostRenders > 0)
{
g_numPostRenders--;
pRender = &g_postRenders[g_numPostRenders];
RB_BeginSurface( pRender->shader, pRender->fogNum );
backEnd.currentEntity = &backEnd.refdef.entities[pRender->entNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.ori );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights )
{
#ifdef VV_LIGHTING
VVLightMan.R_TransformDlights( &backEnd.ori );
#else
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.ori );
#endif
}
qglLoadMatrixf( backEnd.ori.modelMatrix );
depthRange = pRender->depthRange;
switch ( depthRange )
{
default:
case 0:
qglDepthRange (0, 1);
break;
case 1:
qglDepthRange (0, .3);
break;
case 2:
qglDepthRange (0, 0);
break;
}
if ((backEnd.currentEntity->e.renderfx & RF_DISTORTION) &&
lastPostEnt != pRender->entNum)
{ //do the capture now, we only need to do it once per ent
int x, y;
int rad = backEnd.currentEntity->e.radius;
//We are going to just bind this, and then the CopyTexImage is going to
//stomp over this texture num in texture memory.
GL_Bind( tr.screenImage );
if (R_WorldCoordToScreenCoord( backEnd.currentEntity->e.origin, &x, &y ))
{
int cX, cY;
cX = glConfig.vidWidth-x-(rad/2);
cY = glConfig.vidHeight-y-(rad/2);
if (cX+rad > glConfig.vidWidth)
{ //would it go off screen?
cX = glConfig.vidWidth-rad;
}
else if (cX < 0)
{ //cap it off at 0
cX = 0;
}
if (cY+rad > glConfig.vidHeight)
{ //would it go off screen?
cY = glConfig.vidHeight-rad;
}
else if (cY < 0)
{ //cap it off at 0
cY = 0;
}
//now copy a portion of the screen to this texture
qglCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16, cX, cY, rad, rad, 0);
lastPostEnt = pRender->entNum;
}
}
rb_surfaceTable[ *pRender->drawSurf->surface ]( pRender->drawSurf->surface );
RB_EndSurface();
}
}
// go back to the world modelview matrix
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
if ( depthRange ) {
qglDepthRange (0, 1);
}
#if 0
RB_DrawSun();
#endif
if (tr_stencilled && !tr_distortionPrePost)
{ //draw in the stencil buffer's cutout
RB_DistortionFill();
}
if (!didShadowPass)
{
// darken down any stencil shadows
RB_ShadowFinish();
didShadowPass = true;
}
// add light flares on lights that aren't obscured
// RB_RenderFlares();
#ifdef __MACOS__
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
#endif
}
/*
=============
RB_RotatedPic
=============
*/
const void *RB_RotatedPic( const void *data )
{
const stretchPicCommand_t *cmd;
shader_t *shader;
int numVerts, numIndexes;
float mx, my, cosA, sinA, cw, ch, sw, sh;
cmd = ( const stretchPicCommand_t * ) data;
if ( !backEnd.projection2D )
{
RB_SetGL2D();
}
shader = cmd->shader;
if ( shader != tess.shader )
{
if ( tess.numIndexes )
{
RB_EndSurface();
}
backEnd.currentEntity = &backEnd.entity2D;
RB_BeginSurface( shader, 0 );
}
RB_CHECKOVERFLOW( 4, 6 );
numVerts = tess.numVertexes;
numIndexes = tess.numIndexes;
tess.numVertexes += 4;
tess.numIndexes += 6;
tess.indexes[ numIndexes ] = numVerts + 3;
tess.indexes[ numIndexes + 1 ] = numVerts + 0;
tess.indexes[ numIndexes + 2 ] = numVerts + 2;
tess.indexes[ numIndexes + 3 ] = numVerts + 2;
tess.indexes[ numIndexes + 4 ] = numVerts + 0;
tess.indexes[ numIndexes + 5 ] = numVerts + 1;
* ( int * ) tess.vertexColors[ numVerts ].v =
* ( int * ) tess.vertexColors[ numVerts + 1 ].v =
* ( int * ) tess.vertexColors[ numVerts + 2 ].v = * ( int * ) tess.vertexColors[ numVerts + 3 ].v = * ( int * ) backEnd.color2D;
mx = cmd->x + ( cmd->w / 2 );
my = cmd->y + ( cmd->h / 2 );
cosA = cos( DEG2RAD( cmd->angle ) );
sinA = sin( DEG2RAD( cmd->angle ) );
cw = cosA * ( cmd->w / 2 );
ch = cosA * ( cmd->h / 2 );
sw = sinA * ( cmd->w / 2 );
sh = sinA * ( cmd->h / 2 );
tess.xyz[ numVerts ].v[ 0 ] = mx - cw - sh;
tess.xyz[ numVerts ].v[ 1 ] = my + sw - ch;
tess.xyz[ numVerts ].v[ 2 ] = 0;
tess.texCoords0[ numVerts ].v[ 0 ] = cmd->s1;
tess.texCoords0[ numVerts ].v[ 1 ] = cmd->t1;
tess.xyz[ numVerts + 1 ].v[ 0 ] = mx + cw - sh;
tess.xyz[ numVerts + 1 ].v[ 1 ] = my - sw - ch;
tess.xyz[ numVerts + 1 ].v[ 2 ] = 0;
tess.texCoords0[ numVerts + 1 ].v[ 0 ] = cmd->s2;
tess.texCoords0[ numVerts + 1 ].v[ 1 ] = cmd->t1;
tess.xyz[ numVerts + 2 ].v[ 0 ] = mx + cw + sh;
tess.xyz[ numVerts + 2 ].v[ 1 ] = my - sw + ch;
tess.xyz[ numVerts + 2 ].v[ 2 ] = 0;
tess.texCoords0[ numVerts + 2 ].v[ 0 ] = cmd->s2;
tess.texCoords0[ numVerts + 2 ].v[ 1 ] = cmd->t2;
tess.xyz[ numVerts + 3 ].v[ 0 ] = mx - cw + sh;
tess.xyz[ numVerts + 3 ].v[ 1 ] = my + sw + ch;
tess.xyz[ numVerts + 3 ].v[ 2 ] = 0;
tess.texCoords0[ numVerts + 3 ].v[ 0 ] = cmd->s1;
tess.texCoords0[ numVerts + 3 ].v[ 1 ] = cmd->t2;
return ( const void * )( cmd + 1 );
}
/*
==================
RB_RenderFlare
==================
*/
void RB_RenderFlare( flare_t *f ) {
float size;
vec3_t color;
int iColor[3];
float distance, intensity, factor;
byte fogFactors[3] = {255, 255, 255};
backEnd.pc.c_flareRenders++;
// We don't want too big values anyways when dividing by distance.
if(f->eyeZ > -1.0f)
distance = 1.0f;
else
distance = -f->eyeZ;
// calculate the flare size..
size = backEnd.viewParms.viewportWidth * ( r_flareSize->value/640.0f + 8 / distance );
/*
* This is an alternative to intensity scaling. It changes the size of the flare on screen instead
* with growing distance. See in the description at the top why this is not the way to go.
// size will change ~ 1/r.
size = backEnd.viewParms.viewportWidth * (r_flareSize->value / (distance * -2.0f));
*/
/*
* As flare sizes stay nearly constant with increasing distance we must decrease the intensity
* to achieve a reasonable visual result. The intensity is ~ (size^2 / distance^2) which can be
* got by considering the ratio of
* (flaresurface on screen) : (Surface of sphere defined by flare origin and distance from flare)
* An important requirement is:
* intensity <= 1 for all distances.
*
* The formula used here to compute the intensity is as follows:
* intensity = flareCoeff * size^2 / (distance + size*sqrt(flareCoeff))^2
* As you can see, the intensity will have a max. of 1 when the distance is 0.
* The coefficient flareCoeff will determine the falloff speed with increasing distance.
*/
factor = distance + size * sqrt(flareCoeff);
intensity = flareCoeff * size * size / (factor * factor);
VectorScale(f->color, f->drawIntensity * intensity, color);
// Calculations for fogging
if(tr.world && f->fogNum < tr.world->numfogs)
{
tess.numVertexes = 1;
VectorCopy(f->origin, tess.xyz[0]);
tess.fogNum = f->fogNum;
RB_CalcModulateColorsByFog(fogFactors);
// We don't need to render the flare if colors are 0 anyways.
if(!(fogFactors[0] || fogFactors[1] || fogFactors[2]))
return;
}
iColor[0] = color[0] * fogFactors[0];
iColor[1] = color[1] * fogFactors[1];
iColor[2] = color[2] * fogFactors[2];
RB_BeginSurface( tr.flareShader, f->fogNum );
// FIXME: use quadstamp?
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
}
/**
* @brief RB_RenderDrawSurfList
* @param[in] drawSurfs
* @param[in] numDrawSurfs
*/
void RB_RenderDrawSurfList(drawSurf_t *drawSurfs, int numDrawSurfs)
{
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int frontFace;
int dlighted, oldDlighted;
qboolean depthRange, oldDepthRange;
int i;
drawSurf_t *drawSurf;
int oldSort;
double originalTime = backEnd.refdef.floatTime; // save original time for entity shader offsets
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView();
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
oldDlighted = qfalse;
oldSort = -1;
depthRange = qfalse;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++)
{
if (drawSurf->sort == oldSort)
{
// fast path, same as previous sort
rb_surfaceTable[*drawSurf->surface] (drawSurf->surface);
continue;
}
oldSort = drawSurf->sort;
R_DecomposeSort(drawSurf->sort, &entityNum, &shader, &fogNum, &frontFace, &dlighted);
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if (shader && (shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
|| (entityNum != oldEntityNum && !shader->entityMergable)))
{
if (oldShader != NULL)
{
RB_EndSurface();
}
RB_BeginSurface(shader, fogNum);
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
}
// change the modelview matrix if needed
if (entityNum != oldEntityNum)
{
depthRange = qfalse;
if (entityNum != ENTITYNUM_WORLD)
{
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
// FIXME: e.shaderTime must be passed as int to avoid fp-precision loss issues
backEnd.refdef.floatTime = originalTime; // - backEnd.currentEntity->e.shaderTime; // JPW NERVE pulled this to match q3ta
// we have to reset the shaderTime as well otherwise image animations start
// from the wrong frame
// tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
// set up the transformation matrix
R_RotateForEntity(backEnd.currentEntity, &backEnd.viewParms, &backEnd.orientation);
// set up the dynamic lighting if needed
if (backEnd.currentEntity->needDlights)
{
R_TransformDlights(backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.orientation);
}
if (backEnd.currentEntity->e.renderfx & RF_DEPTHHACK)
{
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
}
}
else
{
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.orientation = backEnd.viewParms.world;
// we have to reset the shaderTime as well otherwise image animations on
// the world (like water) continue with the wrong frame
// tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
R_TransformDlights(backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.orientation);
}
qglLoadMatrixf(backEnd.orientation.modelMatrix);
// change depthrange if needed
if (oldDepthRange != depthRange)
{
if (depthRange)
{
qglDepthRange(0, 0.3);
}
else
{
qglDepthRange(0, 1);
}
oldDepthRange = depthRange;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[*drawSurf->surface] (drawSurf->surface);
}
// draw the contents of the last shader batch
if (oldShader != NULL)
{
RB_EndSurface();
}
// go back to the world modelview matrix
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.orientation = backEnd.viewParms.world;
R_TransformDlights(backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.orientation);
qglLoadMatrixf(backEnd.viewParms.world.modelMatrix);
if (depthRange)
{
qglDepthRange(0, 1);
}
// draw sun
RB_DrawSun();
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
RB_RenderFlares();
}
/*
** RB_DrawSun
*/
void RB_DrawSun( void ) {
float size;
float dist;
vec3_t origin, vec1, vec2;
vec3_t temp;
if ( !backEnd.skyRenderedThisView ) {
return;
}
if ( !r_drawSun->integer ) {
return;
}
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
qglTranslatef (backEnd.viewParms.ori.origin[0], backEnd.viewParms.ori.origin[1], backEnd.viewParms.ori.origin[2]);
dist = backEnd.viewParms.zFar / 1.75; // div sqrt(3)
size = dist * 0.4;
VectorScale( tr.sunDirection, dist, origin );
PerpendicularVector( vec1, tr.sunDirection );
CrossProduct( tr.sunDirection, vec1, vec2 );
VectorScale( vec1, size, vec1 );
VectorScale( vec2, size, vec2 );
// farthest depth range
qglDepthRange( 1.0, 1.0 );
// FIXME: use quad stamp
RB_BeginSurface( tr.sunShader, tess.fogNum );
VectorCopy( origin, temp );
VectorSubtract( temp, vec1, temp );
VectorSubtract( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, vec1, temp );
VectorSubtract( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, vec1, temp );
VectorAdd( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorSubtract( temp, vec1, temp );
VectorAdd( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
// back to normal depth range
qglDepthRange( 0.0, 1.0 );
}
/*
=============
RB_StretchPic
=============
*/
const void *RB_StretchPic ( const void *data ) {
const stretchPicCommand_t *cmd;
shader_t *shader;
int numVerts, numIndexes;
cmd = (const stretchPicCommand_t *)data;
if ( !backEnd.projection2D ) {
RB_SetGL2D();
}
shader = cmd->shader;
if ( shader != tess.shader ) {
if ( tess.numIndexes ) {
RB_EndSurface();
}
backEnd.currentEntity = &backEnd.entity2D;
RB_BeginSurface( shader, 0 );
}
RB_CHECKOVERFLOW( 4, 6 );
numVerts = tess.numVertexes;
numIndexes = tess.numIndexes;
tess.numVertexes += 4;
tess.numIndexes += 6;
tess.indexes[ numIndexes ] = numVerts + 3;
tess.indexes[ numIndexes + 1 ] = numVerts + 0;
tess.indexes[ numIndexes + 2 ] = numVerts + 2;
tess.indexes[ numIndexes + 3 ] = numVerts + 2;
tess.indexes[ numIndexes + 4 ] = numVerts + 0;
tess.indexes[ numIndexes + 5 ] = numVerts + 1;
*(int *)tess.vertexColors[ numVerts ] =
*(int *)tess.vertexColors[ numVerts + 1 ] =
*(int *)tess.vertexColors[ numVerts + 2 ] =
*(int *)tess.vertexColors[ numVerts + 3 ] = *(int *)backEnd.color2D;
tess.xyz[ numVerts ][0] = cmd->x;
tess.xyz[ numVerts ][1] = cmd->y;
tess.xyz[ numVerts ][2] = 0;
tess.texCoords[ numVerts ][0][0] = cmd->s1;
tess.texCoords[ numVerts ][0][1] = cmd->t1;
tess.xyz[ numVerts + 1 ][0] = cmd->x + cmd->w;
tess.xyz[ numVerts + 1 ][1] = cmd->y;
tess.xyz[ numVerts + 1 ][2] = 0;
tess.texCoords[ numVerts + 1 ][0][0] = cmd->s2;
tess.texCoords[ numVerts + 1 ][0][1] = cmd->t1;
tess.xyz[ numVerts + 2 ][0] = cmd->x + cmd->w;
tess.xyz[ numVerts + 2 ][1] = cmd->y + cmd->h;
tess.xyz[ numVerts + 2 ][2] = 0;
tess.texCoords[ numVerts + 2 ][0][0] = cmd->s2;
tess.texCoords[ numVerts + 2 ][0][1] = cmd->t2;
tess.xyz[ numVerts + 3 ][0] = cmd->x;
tess.xyz[ numVerts + 3 ][1] = cmd->y + cmd->h;
tess.xyz[ numVerts + 3 ][2] = 0;
tess.texCoords[ numVerts + 3 ][0][0] = cmd->s1;
tess.texCoords[ numVerts + 3 ][0][1] = cmd->t2;
return (const void *)(cmd + 1);
}
/*
** SurfIsOffscreen
**
** Determines if a surface is completely offscreen.
*/
static qboolean SurfIsOffscreen( const drawSurf_t *drawSurf, vec4_t clipDest[128] ) {
float shortest = 100000000;
int entityNum;
int numTriangles;
shader_t *shader;
int fogNum;
int dlighted;
vec4_t clip, eye;
int i;
unsigned int pointOr = 0;
unsigned int pointAnd = (unsigned int)~0;
R_RotateForViewer();
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted );
RB_BeginSurface( shader, fogNum );
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
assert( tess.numVertexes < 128 );
for ( i = 0; i < tess.numVertexes; i++ )
{
int j;
unsigned int pointFlags = 0;
R_TransformModelToClip( tess.xyz[i], tr.ori.modelMatrix, tr.viewParms.projectionMatrix, eye, clip );
for ( j = 0; j < 3; j++ )
{
if ( clip[j] >= clip[3] )
{
pointFlags |= (1 << (j*2));
}
else if ( clip[j] <= -clip[3] )
{
pointFlags |= ( 1 << (j*2+1));
}
}
pointAnd &= pointFlags;
pointOr |= pointFlags;
}
// trivially reject
if ( pointAnd )
{
return qtrue;
}
// determine if this surface is backfaced and also determine the distance
// to the nearest vertex so we can cull based on portal range. Culling
// based on vertex distance isn't 100% correct (we should be checking for
// range to the surface), but it's good enough for the types of portals
// we have in the game right now.
numTriangles = tess.numIndexes / 3;
for ( i = 0; i < tess.numIndexes; i += 3 )
{
vec3_t normal;
float dot;
float len;
VectorSubtract( tess.xyz[tess.indexes[i]], tr.viewParms.ori.origin, normal );
len = VectorLengthSquared( normal ); // lose the sqrt
if ( len < shortest )
{
shortest = len;
}
if ( ( dot = DotProduct( normal, tess.normal[tess.indexes[i]] ) ) >= 0 )
{
numTriangles--;
}
}
if ( !numTriangles )
{
return qtrue;
}
// mirrors can early out at this point, since we don't do a fade over distance
// with them (although we could)
if ( IsMirror( drawSurf, entityNum ) )
{
return qfalse;
}
if ( shortest > (tess.shader->portalRange*tess.shader->portalRange) )
{
return qtrue;
}
return qfalse;
}
/*
==================
RB_RenderDrawSurfList
==================
*/
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
int pshadowed, oldPshadowed;
int cubemapIndex, oldCubemapIndex;
qboolean depthRange, oldDepthRange, isCrosshair, wasCrosshair;
int i;
drawSurf_t *drawSurf;
int oldSort;
float originalTime;
FBO_t* fbo = NULL;
qboolean inQuery = qfalse;
float depth[2];
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
fbo = glState.currentFBO;
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
wasCrosshair = qfalse;
oldDlighted = qfalse;
oldPshadowed = qfalse;
oldCubemapIndex = -1;
oldSort = -1;
depth[0] = 0.f;
depth[1] = 1.f;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
if ( drawSurf->sort == oldSort && drawSurf->cubemapIndex == oldCubemapIndex) {
if (backEnd.depthFill && shader && shader->sort != SS_OPAQUE)
continue;
// fast path, same as previous sort
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
continue;
}
oldSort = drawSurf->sort;
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted, &pshadowed );
cubemapIndex = drawSurf->cubemapIndex;
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if ( shader != NULL && ( shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted || pshadowed != oldPshadowed || cubemapIndex != oldCubemapIndex
|| ( entityNum != oldEntityNum && !shader->entityMergable ) ) ) {
if (oldShader != NULL) {
RB_EndSurface();
}
RB_BeginSurface( shader, fogNum, cubemapIndex );
backEnd.pc.c_surfBatches++;
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
oldPshadowed = pshadowed;
oldCubemapIndex = cubemapIndex;
}
if (backEnd.depthFill && shader && shader->sort != SS_OPAQUE)
continue;
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
qboolean sunflare = qfalse;
depthRange = isCrosshair = qfalse;
if ( entityNum != REFENTITYNUM_WORLD ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// we have to reset the shaderTime as well otherwise image animations start
// from the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.or );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
if(backEnd.currentEntity->e.renderfx & RF_DEPTHHACK)
{
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
if(backEnd.currentEntity->e.renderfx & RF_CROSSHAIR)
isCrosshair = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
// we have to reset the shaderTime as well otherwise image animations on
// the world (like water) continue with the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
GL_SetModelviewMatrix( backEnd.or.modelMatrix );
//
// change depthrange. Also change projection matrix so first person weapon does not look like coming
// out of the screen.
//
if (oldDepthRange != depthRange || wasCrosshair != isCrosshair)
{
if (depthRange)
{
if(backEnd.viewParms.stereoFrame != STEREO_CENTER)
{
if(isCrosshair)
{
if(oldDepthRange)
{
// was not a crosshair but now is, change back proj matrix
GL_SetProjectionMatrix( backEnd.viewParms.projectionMatrix );
}
}
else
{
viewParms_t temp = backEnd.viewParms;
R_SetupProjection(&temp, r_znear->value, 0, qfalse);
GL_SetProjectionMatrix( temp.projectionMatrix );
}
}
if(!oldDepthRange)
{
depth[0] = 0;
depth[1] = 0.3f;
qglDepthRange (depth[0], depth[1]);
}
}
else
{
if(!wasCrosshair && backEnd.viewParms.stereoFrame != STEREO_CENTER)
{
GL_SetProjectionMatrix( backEnd.viewParms.projectionMatrix );
}
if (!sunflare)
qglDepthRange (0, 1);
depth[0] = 0;
depth[1] = 1;
}
oldDepthRange = depthRange;
wasCrosshair = isCrosshair;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
}
backEnd.refdef.floatTime = originalTime;
// draw the contents of the last shader batch
if (oldShader != NULL) {
RB_EndSurface();
}
if (inQuery) {
qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
}
if (glRefConfig.framebufferObject)
FBO_Bind(fbo);
// go back to the world modelview matrix
GL_SetModelviewMatrix( backEnd.viewParms.world.modelMatrix );
qglDepthRange (0, 1);
}
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs )
{
shader_t /**shader,*/ *oldShader;
int /*fogNum,*/ oldFogNum;
int entityNum, oldEntityNum;
int /*dlighted,*/ oldDlighted;
qboolean depthRange, oldDepthRange;
int i;
drawSurf_t *drawSurf;
int oldSort;
// float originalTime;
/*MODVIEWREM
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
*/
// draw everything
oldEntityNum = -1;
//MODVIEWREM backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
oldDlighted = qfalse;
oldSort = -1;
depthRange = qfalse;
//MODVIEWREM backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++)
{
/*MODVIEWREM
if ( drawSurf->sort == oldSort ) {
// fast path, same as previous sort
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
continue;
}
oldSort = drawSurf->sort;
*/
GLuint gluiTextureBind = 0;
R_DecomposeSort( drawSurf->sort, &entityNum, &gluiTextureBind);//MODVIEWREM , &shader, &fogNum, &dlighted );
/*
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if (shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
|| ( entityNum != oldEntityNum && !shader->entityMergable ) ) {
if (oldShader != NULL) {
RB_EndSurface();
}
RB_BeginSurface( shader, fogNum );
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
}
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
depthRange = qfalse;
if ( entityNum != ENTITYNUM_WORLD ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// set up the transformation matrix
*/
////////////////////////////////R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.or );
/*
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
if ( backEnd.currentEntity->e.renderfx & RF_DEPTHHACK ) {
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
*/
//////////////////////////////////////glLoadMatrixf( backEnd.or.modelMatrix );
/*
//
// change depthrange if needed
//
if ( oldDepthRange != depthRange ) {
if ( depthRange ) {
qglDepthRange (0, 0.3);
} else {
qglDepthRange (0, 1);
}
oldDepthRange = depthRange;
}
oldEntityNum = entityNum;
}
*/
RB_BeginSurface( 0,0, gluiTextureBind);//shader, fogNum );
tess.hModel = tr.refdef.entities[entityNum].e.hModel;
tess.pRefEnt=&tr.refdef.entities[entityNum].e;
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
RB_EndSurface();
// stats...
//
if (!tess.bSurfaceIsG2Tag || AppVars.bShowTagSurfaces)
{
*tr.refdef.entities[entityNum].e.piRenderedTris += giSurfaceTrisDrawn;
*tr.refdef.entities[entityNum].e.piRenderedVerts+= giSurfaceVertsDrawn;
*tr.refdef.entities[entityNum].e.piRenderedSurfs+= 1; // NOT ++!
*tr.refdef.entities[entityNum].e.piRenderedBoneWeights += giRenderedBoneWeights;
*tr.refdef.entities[entityNum].e.piOmittedBoneWeights += giOmittedBoneWeights;
}
}
/*MODVIEWREM
// draw the contents of the last shader batch
if (oldShader != NULL) {
RB_EndSurface();
}
// go back to the world modelview matrix
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
if ( depthRange ) {
qglDepthRange (0, 1);
}
*/
}
/*
==================
RB_RenderDrawSurfList
==================
*/
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
qboolean depthRange, oldDepthRange;
int i;
drawSurf_t *drawSurf;
int oldSort;
float originalTime;
#ifdef __MACOS__
int macEventTime;
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
// we don't want to pump the event loop too often and waste time, so
// we are going to check every shader change
macEventTime = ri.Milliseconds() + MAC_EVENT_PUMP_MSEC;
#endif
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
oldDlighted = qfalse;
oldSort = -1;
depthRange = qfalse;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
if ( drawSurf->sort == oldSort ) {
// fast path, same as previous sort
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
continue;
}
oldSort = drawSurf->sort;
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted );
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if (shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
|| ( entityNum != oldEntityNum && !shader->entityMergable ) ) {
if (oldShader != NULL) {
#ifdef __MACOS__ // crutch up the mac's limited buffer queue size
int t;
t = ri.Milliseconds();
if ( t > macEventTime ) {
macEventTime = t + MAC_EVENT_PUMP_MSEC;
Sys_PumpEvents();
}
#endif
RB_EndSurface();
}
RB_BeginSurface( shader, fogNum );
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
}
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
depthRange = qfalse;
if ( entityNum != ENTITYNUM_WORLD ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// we have to reset the shaderTime as well otherwise image animations start
// from the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.or );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
if ( backEnd.currentEntity->e.renderfx & RF_DEPTHHACK ) {
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
// we have to reset the shaderTime as well otherwise image animations on
// the world (like water) continue with the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
qglLoadMatrixf( backEnd.or.modelMatrix );
//
// change depthrange if needed
//
if ( oldDepthRange != depthRange ) {
if ( depthRange ) {
qglDepthRange (0, 0.3);
} else {
qglDepthRange (0, 1);
}
oldDepthRange = depthRange;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
}
backEnd.refdef.floatTime = originalTime;
// draw the contents of the last shader batch
if (oldShader != NULL) {
RB_EndSurface();
}
// go back to the world modelview matrix
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
if ( depthRange ) {
qglDepthRange (0, 1);
}
#if 0
RB_DrawSun();
#endif
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
RB_RenderFlares();
#ifdef __MACOS__
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
#endif
}
/*
** RB_DrawSun
*/
void RB_DrawSun( void ) {
float size;
float dist;
vec3_t origin, vec1, vec2;
vec3_t temp;
float cachedModelView[16];
float newModelView[16];
if ( !backEnd.skyRenderedThisView ) {
return;
}
if ( !r_drawSun->integer ) {
return;
}
GFX_GetModelViewMatrix( cachedModelView );
memcpy( newModelView, backEnd.viewParms.world.modelMatrix, sizeof(float) * 16 );
newModelView[12] += backEnd.viewParms.or.origin[0];
newModelView[13] += backEnd.viewParms.or.origin[1];
newModelView[14] += backEnd.viewParms.or.origin[2];
GFX_SetModelViewMatrix( newModelView );
dist = backEnd.viewParms.zFar / 1.75; // div sqrt(3)
size = dist * 0.4;
VectorScale( tr.sunDirection, dist, origin );
PerpendicularVector( vec1, tr.sunDirection );
CrossProduct( tr.sunDirection, vec1, vec2 );
VectorScale( vec1, size, vec1 );
VectorScale( vec2, size, vec2 );
// farthest depth range
GFX_SetDepthRange( 1.0, 1.0 );
// FIXME: use quad stamp
RB_BeginSurface( tr.sunShader, tess.fogNum );
VectorCopy( origin, temp );
VectorSubtract( temp, vec1, temp );
VectorSubtract( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, vec1, temp );
VectorSubtract( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, vec1, temp );
VectorAdd( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorSubtract( temp, vec1, temp );
VectorAdd( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
// back to normal depth range
GFX_SetDepthRange( 0.0, 1.0 );
GFX_SetModelViewMatrix( cachedModelView );
}
/*
==================
RB_RenderFlare
==================
*/
void RB_RenderFlare( flare_t *f ) {
float size;
vec3_t color;
int iColor[3];
int iAlpha, srcBlend;
float distance, intensity, factor;
byte fogFactors[3] = {255, 255, 255};
backEnd.pc.c_flareRenders++;
// We don't want too big values anyways when dividing by distance.
if(f->eyeZ > -1.0f)
distance = 1.0f;
else
distance = -f->eyeZ;
// calculate the flare size..
size = backEnd.viewParms.viewportWidth * ( ( r_flareSize->value * f->scale )/640.0f + 8 / distance );
/*
* This is an alternative to intensity scaling. It changes the size of the flare on screen instead
* with growing distance. See in the description at the top why this is not the way to go.
// size will change ~ 1/r.
size = backEnd.viewParms.viewportWidth * ( ( r_flareSize->value * f->scale ) / (distance * -2.0f));
*/
/*
* As flare sizes stay nearly constant with increasing distance we must decrease the intensity
* to achieve a reasonable visual result. The intensity is ~ (size^2 / distance^2) which can be
* got by considering the ratio of
* (flaresurface on screen) : (Surface of sphere defined by flare origin and distance from flare)
* An important requirement is:
* intensity <= 1 for all distances.
*
* The formula used here to compute the intensity is as follows:
* intensity = flareCoeff * size^2 / (distance + size*sqrt(flareCoeff))^2
* As you can see, the intensity will have a max. of 1 when the distance is 0.
* The coefficient flareCoeff will determine the falloff speed with increasing distance.
*/
factor = distance + size * sqrt(flareCoeff);
intensity = flareCoeff * size * size / (factor * factor);
// Calculations for RGBA
srcBlend = f->shader->stages[0] ? ( f->shader->stages[0]->stateBits & GLS_SRCBLEND_BITS ) : 0;
if ( srcBlend == GLS_SRCBLEND_ONE ) {
// Q3 flare, fade color. blendfunc GL_ONE GL_ONE
VectorScale(f->color, f->drawIntensity * intensity, color);
iAlpha = 65535;
} else {
// RTCW/ET flare, fade alpha. blendfunc GL_SRC_ALPHA GL_ONE
// Note: RTCW source says it uses alpha blend/fade because overwise it doesn't blend in global fog and to switch back when it's fixed.
VectorScale(f->color, intensity, color);
iAlpha = f->drawIntensity * 255 * 257;
}
// Calculations for fogging
if(tr.world && f->fogNum > 0 && f->fogNum < tr.world->numfogs && !f->shader->noFog)
{
tess.numVertexes = 1;
VectorCopy(f->origin, tess.xyz[0]);
tess.fogNum = f->fogNum;
RB_CalcModulateColorsByFog(fogFactors);
// We don't need to render the flare if colors are 0 anyways.
if(!(fogFactors[0] || fogFactors[1] || fogFactors[2]))
return;
}
iColor[0] = color[0] * fogFactors[0] * 257;
iColor[1] = color[1] * fogFactors[1] * 257;
iColor[2] = color[2] * fogFactors[2] * 257;
// fog calculation already done, use fogNum 0
RB_BeginSurface( f->shader, 0, 0 );
// FIXME: use quadstamp?
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.color[tess.numVertexes][0] = iColor[0];
tess.color[tess.numVertexes][1] = iColor[1];
tess.color[tess.numVertexes][2] = iColor[2];
tess.color[tess.numVertexes][3] = iAlpha;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.color[tess.numVertexes][0] = iColor[0];
tess.color[tess.numVertexes][1] = iColor[1];
tess.color[tess.numVertexes][2] = iColor[2];
tess.color[tess.numVertexes][3] = iAlpha;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.color[tess.numVertexes][0] = iColor[0];
tess.color[tess.numVertexes][1] = iColor[1];
tess.color[tess.numVertexes][2] = iColor[2];
tess.color[tess.numVertexes][3] = iAlpha;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.color[tess.numVertexes][0] = iColor[0];
tess.color[tess.numVertexes][1] = iColor[1];
tess.color[tess.numVertexes][2] = iColor[2];
tess.color[tess.numVertexes][3] = iAlpha;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
}
//QTZTODO: Support Centered Pic or vice versa?
const void *RB_RotatedPic( const void *data ) {
const stretchPicCommand_t *cmd;
shader_t *shader;
int numVerts, numIndexes;
float angle;
float pi2 = M_PI * 2;
cmd = (const stretchPicCommand_t *)data;
if ( !backEnd.projection2D )
RB_SetGL2D();
shader = cmd->shader;
if ( shader != tess.shader )
{
if ( tess.numIndexes )
RB_EndSurface();
backEnd.currentEntity = &backEnd.entity2D;
RB_BeginSurface( shader, 0 );
}
RB_CHECKOVERFLOW( 4, 6 );
numVerts = tess.numVertexes;
numIndexes = tess.numIndexes;
tess.numVertexes += 4;
tess.numIndexes += 6;
tess.indexes[ numIndexes ] = numVerts + 3;
tess.indexes[ numIndexes + 1 ] = numVerts + 0;
tess.indexes[ numIndexes + 2 ] = numVerts + 2;
tess.indexes[ numIndexes + 3 ] = numVerts + 2;
tess.indexes[ numIndexes + 4 ] = numVerts + 0;
tess.indexes[ numIndexes + 5 ] = numVerts + 1;
*(int *)tess.vertexColors[ numVerts ] =
*(int *)tess.vertexColors[ numVerts + 1 ] =
*(int *)tess.vertexColors[ numVerts + 2 ] =
*(int *)tess.vertexColors[ numVerts + 3 ] = *(int *)backEnd.color2D;
angle = cmd->angle * pi2;
tess.xyz[ numVerts ].x = cmd->x + ( cosf( angle ) * cmd->w );
tess.xyz[ numVerts ].y = cmd->y + ( sinf( angle ) * cmd->h );
tess.xyz[ numVerts ].z = 0;
tess.texCoords[ numVerts ][0].x = cmd->s1;
tess.texCoords[ numVerts ][0].y = cmd->t1;
angle = cmd->angle * pi2 + 0.25f * pi2;
tess.xyz[ numVerts + 1 ].x = cmd->x + ( cosf( angle ) * cmd->w );
tess.xyz[ numVerts + 1 ].y = cmd->y + ( sinf( angle ) * cmd->h );
tess.xyz[ numVerts + 1 ].z = 0;
tess.texCoords[ numVerts + 1 ][0].x = cmd->s2;
tess.texCoords[ numVerts + 1 ][0].y = cmd->t1;
angle = cmd->angle * pi2 + 0.50f * pi2;
tess.xyz[ numVerts + 2 ].x = cmd->x + ( cosf( angle ) * cmd->w );
tess.xyz[ numVerts + 2 ].y = cmd->y + ( sinf( angle ) * cmd->h );
tess.xyz[ numVerts + 2 ].z = 0;
tess.texCoords[ numVerts + 2 ][0].x = cmd->s2;
tess.texCoords[ numVerts + 2 ][0].y = cmd->t2;
angle = cmd->angle * pi2 + 0.75f * pi2;
tess.xyz[ numVerts + 3 ].x = cmd->x + ( cosf( angle ) * cmd->w );
tess.xyz[ numVerts + 3 ].y = cmd->y + ( sinf( angle ) * cmd->h );
tess.xyz[ numVerts + 3 ].z = 0;
tess.texCoords[ numVerts + 3 ][0].x = cmd->s1;
tess.texCoords[ numVerts + 3 ][0].y = cmd->t2;
return (const void *)( cmd + 1 );
}
/*
==================
RB_RenderFlare
==================
*/
void RB_RenderFlare(flare_t *f)
{
float size;
vec3_t color;
int iColor[3];
backEnd.pc.c_flareRenders++;
// changed to use alpha blend rather than additive blend
// this is to accomidate the fact we can't right now do
// additive blends and have them fog correctly with our distance fog.
// /when/ we fix the blend problems with distance fog, this should
// be changed back to additive since there's nearly no hit for that
// but the alpha blend is noticably slower.
VectorScale(f->color, tr.identityLight, color); // mod for alpha blend rather than additive
iColor[0] = color[0] * 255;
iColor[1] = color[1] * 255;
iColor[2] = color[2] * 255;
size = backEnd.viewParms.viewportWidth * ((r_flareSize->value * f->scale) / 640.0 + 8 / -f->eyeZ);
RB_BeginSurface(tr.flareShader, f->fogNum);
// FIXME: use quadstamp?
tess.xyz[tess.numVertexes].v[0] = f->windowX - size;
tess.xyz[tess.numVertexes].v[1] = f->windowY - size;
tess.texCoords0[tess.numVertexes].v[0] = 0;
tess.texCoords0[tess.numVertexes].v[1] = 0;
tess.vertexColors[tess.numVertexes].v[0] = iColor[0];
tess.vertexColors[tess.numVertexes].v[1] = iColor[1];
tess.vertexColors[tess.numVertexes].v[2] = iColor[2];
tess.vertexColors[tess.numVertexes].v[3] = f->drawIntensity * 255; // mod for alpha blend rather than additive
tess.numVertexes++;
tess.xyz[tess.numVertexes].v[0] = f->windowX - size;
tess.xyz[tess.numVertexes].v[1] = f->windowY + size;
tess.texCoords0[tess.numVertexes].v[0] = 0;
tess.texCoords0[tess.numVertexes].v[1] = 1;
tess.vertexColors[tess.numVertexes].v[0] = iColor[0];
tess.vertexColors[tess.numVertexes].v[1] = iColor[1];
tess.vertexColors[tess.numVertexes].v[2] = iColor[2];
tess.vertexColors[tess.numVertexes].v[3] = f->drawIntensity * 255; // mod for alpha blend rather than additive
tess.numVertexes++;
tess.xyz[tess.numVertexes].v[0] = f->windowX + size;
tess.xyz[tess.numVertexes].v[1] = f->windowY + size;
tess.texCoords0[tess.numVertexes].v[0] = 1;
tess.texCoords0[tess.numVertexes].v[1] = 1;
tess.vertexColors[tess.numVertexes].v[0] = iColor[0];
tess.vertexColors[tess.numVertexes].v[1] = iColor[1];
tess.vertexColors[tess.numVertexes].v[2] = iColor[2];
tess.vertexColors[tess.numVertexes].v[3] = f->drawIntensity * 255; // mod for alpha blend rather than additive
tess.numVertexes++;
tess.xyz[tess.numVertexes].v[0] = f->windowX + size;
tess.xyz[tess.numVertexes].v[1] = f->windowY - size;
tess.texCoords0[tess.numVertexes].v[0] = 1;
tess.texCoords0[tess.numVertexes].v[1] = 0;
tess.vertexColors[tess.numVertexes].v[0] = iColor[0];
tess.vertexColors[tess.numVertexes].v[1] = iColor[1];
tess.vertexColors[tess.numVertexes].v[2] = iColor[2];
tess.vertexColors[tess.numVertexes].v[3] = f->drawIntensity * 255; // mod for alpha blend rather than additive
//tess.vertexColors[tess.numVertexes].v[3] = 255; // mod for alpha blend rather than additive
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
}
/*
* RB_StretchPic
*/
const void *
RB_StretchPic(const void *data)
{
const stretchPicCommand_t *cmd;
material_t *shader;
int numVerts, numIndexes;
cmd = (const stretchPicCommand_t*)data;
/* FIXME: HUGE hack */
if(glRefConfig.framebufferObject && !glState.currentFBO){
if(backEnd.framePostProcessed){
FBO_Bind(tr.screenScratchFbo);
}else{
FBO_Bind(tr.renderFbo);
}
}
RB_SetGL2D();
shader = cmd->shader;
if(shader != tess.shader){
if(tess.numIndexes){
RB_EndSurface();
}
backEnd.currentEntity = &backEnd.entity2D;
RB_BeginSurface(shader, 0);
}
RB_CHECKOVERFLOW(4, 6);
numVerts = tess.numVertexes;
numIndexes = tess.numIndexes;
tess.numVertexes += 4;
tess.numIndexes += 6;
tess.indexes[ numIndexes ] = numVerts + 3;
tess.indexes[ numIndexes + 1 ] = numVerts + 0;
tess.indexes[ numIndexes + 2 ] = numVerts + 2;
tess.indexes[ numIndexes + 3 ] = numVerts + 2;
tess.indexes[ numIndexes + 4 ] = numVerts + 0;
tess.indexes[ numIndexes + 5 ] = numVerts + 1;
{
Vec4 color;
scalev34(backEnd.color2D, 1.0f / 255.0f, color);
copyv34(color, tess.vertexColors[ numVerts ]);
copyv34(color, tess.vertexColors[ numVerts + 1]);
copyv34(color, tess.vertexColors[ numVerts + 2]);
copyv34(color, tess.vertexColors[ numVerts + 3 ]);
}
tess.xyz[ numVerts ][0] = cmd->x;
tess.xyz[ numVerts ][1] = cmd->y;
tess.xyz[ numVerts ][2] = 0;
tess.texCoords[ numVerts ][0][0] = cmd->s1;
tess.texCoords[ numVerts ][0][1] = cmd->t1;
tess.xyz[ numVerts + 1 ][0] = cmd->x + cmd->w;
tess.xyz[ numVerts + 1 ][1] = cmd->y;
tess.xyz[ numVerts + 1 ][2] = 0;
tess.texCoords[ numVerts + 1 ][0][0] = cmd->s2;
tess.texCoords[ numVerts + 1 ][0][1] = cmd->t1;
tess.xyz[ numVerts + 2 ][0] = cmd->x + cmd->w;
tess.xyz[ numVerts + 2 ][1] = cmd->y + cmd->h;
tess.xyz[ numVerts + 2 ][2] = 0;
tess.texCoords[ numVerts + 2 ][0][0] = cmd->s2;
tess.texCoords[ numVerts + 2 ][0][1] = cmd->t2;
tess.xyz[ numVerts + 3 ][0] = cmd->x;
tess.xyz[ numVerts + 3 ][1] = cmd->y + cmd->h;
tess.xyz[ numVerts + 3 ][2] = 0;
tess.texCoords[ numVerts + 3 ][0][0] = cmd->s1;
tess.texCoords[ numVerts + 3 ][0][1] = cmd->t2;
return (const void*)(cmd + 1);
}
/*
** RB_DrawSun
*/
void RB_DrawSun( void ) {
bfixed size;
bfixed dist;
bvec3_t origin;
avec3_t vec1, vec2;
bvec3_t bvec1, bvec2;
bvec3_t temp;
if ( !backEnd.skyRenderedThisView ) {
return;
}
if ( !r_drawSun->integer ) {
return;
}
glLoadMatrixX( backEnd.viewParms.world.modelMatrix );
glTranslateX ( REINTERPRET_GFIXED(backEnd.viewParms._or.origin[0]),
REINTERPRET_GFIXED(backEnd.viewParms._or.origin[1]),
REINTERPRET_GFIXED(backEnd.viewParms._or.origin[2]));
dist = backEnd.viewParms.zFar / BFIXED(1,75); // div sqrt(3)
size = dist * BFIXED(0,4);
FIXED_VEC3SCALE_R( tr.sunDirection, dist, origin );
PerpendicularVector( vec1, tr.sunDirection );
CrossProduct( tr.sunDirection, vec1, vec2 );
FIXED_VEC3SCALE_R( vec1, size, bvec1 );
FIXED_VEC3SCALE_R( vec2, size, bvec2 );
// farthest depth range
glDepthRangeX( GFIXED_1, GFIXED_1 );
// FIXME: use quad stamp
RB_BeginSurface( tr.sunShader, tess.fogNum );
VectorCopy( origin, temp );
VectorSubtract( temp, bvec1, temp );
VectorSubtract( temp, bvec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = GFIXED_0;
tess.texCoords[tess.numVertexes][0][1] = GFIXED_0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, bvec1, temp );
VectorSubtract( temp, bvec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = GFIXED_0;
tess.texCoords[tess.numVertexes][0][1] = GFIXED_1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, bvec1, temp );
VectorAdd( temp, bvec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = GFIXED_1;
tess.texCoords[tess.numVertexes][0][1] = GFIXED_1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorSubtract( temp, bvec1, temp );
VectorAdd( temp, bvec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = GFIXED_1;
tess.texCoords[tess.numVertexes][0][1] = GFIXED_0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
// back to normal depth range
glDepthRangeX( GFIXED_0, GFIXED_1);
}
/*
* RB_RenderDrawSurfList
*/
void
RB_RenderDrawSurfList(drawSurf_t *drawSurfs, int numDrawSurfs)
{
material_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
int pshadowed, oldPshadowed;
qbool depthRange, oldDepthRange, isCrosshair, wasCrosshair;
int i;
drawSurf_t *drawSurf;
int oldSort;
float originalTime;
float depth[2];
FBO_t * fbo = NULL;
qbool inQuery = qfalse;
/* save original time for entity shader offsets */
originalTime = backEnd.refdef.floatTime;
/* clear the z buffer, set the modelview, etc */
RB_BeginDrawingView ();
fbo = glState.currentFBO;
/* draw everything */
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
wasCrosshair = qfalse;
oldDlighted = qfalse;
oldPshadowed = qfalse;
oldSort = -1;
depthRange = qfalse;
depth[0] = 0.f;
depth[1] = 1.f;
backEnd.pc.c_surfaces += numDrawSurfs;
for(i = 0, drawSurf = drawSurfs; i < numDrawSurfs; i++, drawSurf++){
if(drawSurf->sort == oldSort){
/* fast path, same as previous sort */
rb_surfaceTable[ *drawSurf->surface ](drawSurf->surface);
continue;
}
oldSort = drawSurf->sort;
R_DecomposeSort(drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted, &pshadowed);
/*
* change the tess parameters if needed
* a "entityMergable" shader is a shader that can have surfaces from seperate
* entities merged into a single batch, like smoke and blood puff sprites */
if(shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted || pshadowed !=
oldPshadowed
|| (entityNum != oldEntityNum && !shader->entityMergable)){
if(oldShader != NULL){
RB_EndSurface();
}
RB_BeginSurface(shader, fogNum);
backEnd.pc.c_surfBatches++;
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
oldPshadowed = pshadowed;
}
/*
* change the modelview matrix if needed
* */
if(entityNum != oldEntityNum){
qbool sunflare = qfalse;
depthRange = isCrosshair = qfalse;
#ifdef REACTION
/* if we were rendering to a FBO and the previous entity was a sunflare
* and the current one isn't, switch back to the main fbo */
if(oldEntityNum != -1 && fbo &&
RF_SUNFLARE == (backEnd.refdef.entities[oldEntityNum].e.renderfx & RF_SUNFLARE) &&
0 == (backEnd.refdef.entities[entityNum].e.renderfx & RF_SUNFLARE)){
if(inQuery){
inQuery = qfalse;
qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
}
FBO_Bind(fbo);
qglDepthRange(depth[0], depth[1]);
}
#endif
if(entityNum != ENTITYNUM_WORLD){
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
/* we have to reset the shaderTime as well otherwise image animations start
* from the wrong frame */
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
/* set up the transformation matrix */
R_RotateForEntity(backEnd.currentEntity, &backEnd.viewParms, &backEnd.or);
/* set up the dynamic lighting if needed */
if(backEnd.currentEntity->needDlights){
R_TransformDlights(backEnd.refdef.num_dlights, backEnd.refdef.dlights,
&backEnd.or);
}
#ifdef REACTION
/* if the current entity is a sunflare */
if(backEnd.currentEntity->e.renderfx & RF_SUNFLARE){
/* if we're rendering to a fbo */
if(fbo){
copyv3(backEnd.currentEntity->e.origin,
backEnd.sunFlarePos);
/* switch FBO */
FBO_Bind(tr.godRaysFbo);
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
qglClear(GL_COLOR_BUFFER_BIT);
qglDepthRange(1.f, 1.f);
if(glRefConfig.occlusionQuery && !inQuery &&
!backEnd.hasSunFlare){
inQuery = qtrue;
tr.sunFlareQueryActive[tr.sunFlareQueryIndex] = qtrue;
qglBeginQueryARB(
GL_SAMPLES_PASSED_ARB,
tr.sunFlareQuery[tr.sunFlareQueryIndex]);
}
/* backEnd.hasSunFlare = qtrue; */
sunflare = qtrue;
}else{
depthRange = qtrue;
}
}
#endif
if(backEnd.currentEntity->e.renderfx & RF_DEPTHHACK){
/* hack the depth range to prevent view model from poking into walls */
depthRange = qtrue;
if(backEnd.currentEntity->e.renderfx & RF_CROSSHAIR)
isCrosshair = qtrue;
}
}else{
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
/* we have to reset the shaderTime as well otherwise image animations on
* the world (like water) continue with the wrong frame */
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
R_TransformDlights(backEnd.refdef.num_dlights, backEnd.refdef.dlights,
&backEnd.or);
}
GL_SetModelviewMatrix(backEnd.or.modelMatrix);
/*
* change depthrange. Also change projection matrix so first person weapon does not look like coming
* out of the screen.
* */
if(oldDepthRange != depthRange || wasCrosshair != isCrosshair){
if(depthRange){
if(backEnd.viewParms.stereoFrame != STEREO_CENTER){
if(isCrosshair){
if(oldDepthRange){
/* was not a crosshair but now is, change back proj matrix */
GL_SetProjectionMatrix(
backEnd.viewParms.projectionMatrix);
}
}else{
viewParms_t temp = backEnd.viewParms;
R_SetupProjection(&temp, r_znear->value, 0, qfalse);
GL_SetProjectionMatrix(temp.projectionMatrix);
}
}
#ifdef REACTION
if(!oldDepthRange){
depth[0] = 0;
depth[1] = 0.3f;
qglDepthRange (0, 0.3);
}
#endif
}else{
if(!wasCrosshair && backEnd.viewParms.stereoFrame != STEREO_CENTER){
GL_SetProjectionMatrix(backEnd.viewParms.projectionMatrix);
}
if(!sunflare)
qglDepthRange (0, 1);
depth[0] = 0;
depth[1] = 1;
}
oldDepthRange = depthRange;
wasCrosshair = isCrosshair;
}
oldEntityNum = entityNum;
}
/* add the triangles for this surface */
rb_surfaceTable[ *drawSurf->surface ](drawSurf->surface);
}
backEnd.refdef.floatTime = originalTime;
/* draw the contents of the last shader batch */
if(oldShader != NULL){
RB_EndSurface();
}
if(inQuery){
inQuery = qfalse;
qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
}
FBO_Bind(fbo);
/* go back to the world modelview matrix */
GL_SetModelviewMatrix(backEnd.viewParms.world.modelMatrix);
/* if ( depthRange ) { */
qglDepthRange (0, 1);
/* } */
#if 0
RB_DrawSun();
#endif
/* darken down any stencil shadows */
RB_ShadowFinish();
/* add light flares on lights that aren't obscured */
RB_RenderFlares();
if(glRefConfig.framebufferObject)
FBO_Bind(NULL);
}
