/*
* R_DrawBSPSurf
*/
qboolean R_DrawBSPSurf( const entity_t *e, const shader_t *shader, const mfog_t *fog, drawSurfaceBSP_t *drawSurf )
{
vboSlice_t *slice;
slice = R_GetVBOSlice( drawSurf - rsh.worldBrushModel->drawSurfaces );
assert( slice != NULL );
RB_BindVBO( drawSurf->vbo->index, GL_TRIANGLES );
if( drawSurf->dlightFrame == rsc.frameCount ) {
RB_SetDlightBits( drawSurf->dlightBits & rn.dlightBits );
}
else {
RB_SetDlightBits( 0 );
}
if( drawSurf->shadowFrame == rsc.frameCount ) {
RB_SetShadowBits( drawSurf->shadowBits & rn.shadowBits );
}
else {
RB_SetShadowBits( 0 );
}
RB_SetLightstyle( drawSurf->superLightStyle );
if( drawSurf->numInstances ) {
RB_DrawElementsInstanced( slice->firstVert, slice->numVerts, slice->firstElem, slice->numElems,
drawSurf->numInstances, drawSurf->instances );
}
else {
RB_DrawElements( slice->firstVert, slice->numVerts, slice->firstElem, slice->numElems );
}
return qfalse;
}
/*
* RB_BeginFrame
*/
void RB_BeginFrame( void )
{
Vector4Set( rb.nullEnt.shaderRGBA, 1, 1, 1, 1 );
rb.nullEnt.scale = 1;
VectorClear( rb.nullEnt.origin );
Matrix3_Identity( rb.nullEnt.axis );
memset( &rb.stats, 0, sizeof( rb.stats ) );
// start fresh each frame
RB_SetShaderStateMask( ~0, 0 );
RB_BindVBO( 0, 0 );
}
/*
* R_DrawBSPSurf
*/
bool R_DrawBSPSurf( const entity_t *e, const shader_t *shader, const mfog_t *fog, const portalSurface_t *portalSurface, drawSurfaceBSP_t *drawSurf )
{
const vboSlice_t *slice;
const vboSlice_t *shadowSlice;
static const vboSlice_t nullSlice = { 0 };
int firstVert, firstElem;
int firstShadowVert, firstShadowElem;
slice = R_GetVBOSlice( drawSurf - rsh.worldBrushModel->drawSurfaces );
shadowSlice = R_GetVBOSlice( rsh.worldBrushModel->numDrawSurfaces + ( drawSurf - rsh.worldBrushModel->drawSurfaces ) );
if( !shadowSlice ) {
shadowSlice = &nullSlice;
}
assert( slice != NULL );
RB_BindVBO( drawSurf->vbo->index, GL_TRIANGLES );
if( drawSurf->dlightFrame == rsc.frameCount ) {
RB_SetDlightBits( drawSurf->dlightBits & rn.dlightBits );
}
else {
RB_SetDlightBits( 0 );
}
if( drawSurf->shadowFrame == rsc.frameCount ) {
RB_SetShadowBits( (drawSurf->shadowBits & rn.shadowBits) & rsc.renderedShadowBits );
}
else {
RB_SetShadowBits( 0 );
}
RB_SetLightstyle( drawSurf->superLightStyle );
firstVert = drawSurf->firstVboVert + slice->firstVert;
firstElem = drawSurf->firstVboElem + slice->firstElem;
firstShadowVert = drawSurf->firstVboVert + shadowSlice->firstVert;
firstShadowElem = drawSurf->firstVboElem + shadowSlice->firstElem;
if( drawSurf->numInstances ) {
RB_DrawElementsInstanced( firstVert, slice->numVerts, firstElem, slice->numElems,
firstShadowVert, shadowSlice->numVerts, firstShadowElem, shadowSlice->numElems,
drawSurf->numInstances, drawSurf->instances );
}
else {
RB_DrawElements( firstVert, slice->numVerts,firstElem, slice->numElems,
firstShadowVert, shadowSlice->numVerts, firstShadowElem, shadowSlice->numElems );
}
return false;
}
/*
* R_DrawBlackBottom
*
* Draw dummy skybox side to prevent the HOM effect
*/
static void R_DrawBlackBottom( const skydome_t *skydome, const visSkySide_t *visSides )
{
int side = 5;
const visSkySide_t *visSide = visSides + side;
if( rn.skyMins[0][side] >= rn.skyMaxs[0][side] ||
rn.skyMins[1][side] >= rn.skyMaxs[1][side] )
return;
RB_BindShader( rsc.worldent, rf.envShader, rn.skyFog );
RB_BindVBO( skydome->linearVbos[side]->index, GL_TRIANGLES );
RB_DrawElements( visSide->firstVert, visSide->numVerts, visSide->firstElem, visSide->numElems );
}
/*
* R_DrawBlackBottom
*
* Draw dummy skybox side to prevent the HOM effect
*/
static void R_DrawBlackBottom( const skydome_t *skydome, const visSkySide_t *visSides, const mfog_t *fog, drawSurfaceSky_t *drawSurf ) {
int side = 5;
const visSkySide_t *visSide = visSides + side;
if( drawSurf->skyMins[0][side] >= drawSurf->skyMaxs[0][side] ||
drawSurf->skyMins[1][side] >= drawSurf->skyMaxs[1][side] ) {
return;
}
RB_BindShader( rsc.skyent, rsh.envShader, fog );
RB_BindVBO( skydome->linearVbos[side]->index, GL_TRIANGLES );
RB_DrawElements( visSide->firstVert, visSide->numVerts, visSide->firstElem, visSide->numElems, 0, 0, 0, 0 );
}
/*
* R_DrawSkyBoxSide
*/
static void R_DrawSkyBoxSide( const skydome_t *skydome, const visSkySide_t *visSide, const shader_t *shader,
int imageIndex )
{
int side = visSide->index;
if( rn.skyMins[0][side] >= rn.skyMaxs[0][side] ||
rn.skyMins[1][side] >= rn.skyMaxs[1][side] )
return;
RB_BindShader( rsc.worldent, rf.skyShader, rn.skyFog );
RB_BindVBO( skydome->linearVbos[side]->index, GL_TRIANGLES );
RB_SetSkyboxShader( shader );
RB_SetSkyboxSide( imageIndex );
RB_DrawElements( visSide->firstVert, visSide->numVerts, visSide->firstElem, visSide->numElems );
}
/*
* R_DrawSkyBoxSide
*/
static void R_DrawSkyBoxSide( const skydome_t *skydome, const visSkySide_t *visSide, const shader_t *skyShader,
const shader_t *skyboxShader, const mfog_t *fog, int imageIndex, drawSurfaceSky_t *drawSurf ) {
int side = visSide->index;
if( drawSurf->skyMins[0][side] >= drawSurf->skyMaxs[0][side] ||
drawSurf->skyMins[1][side] >= drawSurf->skyMaxs[1][side] ) {
return;
}
RB_BindShader( rsc.skyent, skyShader, fog );
RB_BindVBO( skydome->linearVbos[side]->index, GL_TRIANGLES );
RB_SetSkyboxShader( skyboxShader );
RB_SetSkyboxSide( imageIndex );
RB_DrawElements( visSide->firstVert, visSide->numVerts, visSide->firstElem, visSide->numElems, 0, 0, 0, 0 );
}
/*
* R_RenderDebugBounds
*/
static void R_RenderDebugBounds( void )
{
int i, j;
vec3_t corner;
const vec_t *mins, *maxs;
mesh_t *rb_mesh;
elem_t elems[8] = { 0, 1, 2, 3, 4, 5, 6, 7 };
if( !r_num_debug_bounds )
return;
RB_EnableTriangleOutlines( qtrue );
RB_BindShader( rsc.worldent, rsh.whiteShader, NULL );
RB_BindVBO( RB_VBO_STREAM, GL_TRIANGLE_STRIP );
for( i = 0; i < r_num_debug_bounds; i++ )
{
mins = r_debug_bounds[i].mins;
maxs = r_debug_bounds[i].maxs;
rb_mesh = RB_MapBatchMesh( 8, 8 );
for( j = 0; j < 8; j++ )
{
corner[0] = ( ( j & 1 ) ? mins[0] : maxs[0] );
corner[1] = ( ( j & 2 ) ? mins[1] : maxs[1] );
corner[2] = ( ( j & 4 ) ? mins[2] : maxs[2] );
VectorCopy( corner, rb_mesh->xyzArray[j] );
}
rb_mesh->numVerts = 8;
rb_mesh->numElems = 8;
rb_mesh->elems = elems;
RB_UploadMesh( rb_mesh );
RB_EndBatch();
}
RB_EnableTriangleOutlines( qfalse );
}
/*
* RB_BeginRegistration
*/
void RB_BeginRegistration( void )
{
int i;
RB_RegisterStreamVBOs();
RB_BindVBO( 0, 0 );
// unbind all texture targets on all TMUs
for( i = MAX_TEXTURE_UNITS - 1; i >= 0; i-- ) {
RB_SelectTextureUnit( i );
qglBindTexture( GL_TEXTURE_CUBE_MAP_ARB, 0 );
if( glConfig.ext.texture_array )
qglBindTexture( GL_TEXTURE_2D_ARRAY_EXT, 0 );
if( glConfig.ext.texture3D )
qglBindTexture( GL_TEXTURE_3D_EXT, 0 );
qglBindTexture( GL_TEXTURE_2D, 0 );
}
RB_FlushTextureCache();
}
/*
* R_BeginCoronaSurf
*/
qboolean R_BeginCoronaSurf( const entity_t *e, const shader_t *shader, const mfog_t *fog, drawSurfaceType_t *drawSurf )
{
RB_BindVBO( RB_VBO_STREAM_QUAD, GL_TRIANGLES );
return qtrue;
}
/*
* RB_EndRegistration
*/
void RB_EndRegistration( void )
{
RB_BindVBO( 0, 0 );
}
/*
* RB_FlushDynamicMeshes
*/
void RB_FlushDynamicMeshes( void )
{
int i, numDraws = rb.numDynamicDraws;
rbDynamicStream_t *stream;
rbDynamicDraw_t *draw;
int sx, sy, sw, sh;
float offsetx = 0.0f, offsety = 0.0f, transx, transy;
mat4_t m;
if( !numDraws ) {
return;
}
for( i = 0; i < RB_VBO_NUM_STREAMS; i++ ) {
stream = &rb.dynamicStreams[i];
// R_UploadVBO* are going to rebind buffer arrays for upload
// so update our local VBO state cache by calling RB_BindVBO
RB_BindVBO( -i - 1, GL_TRIANGLES ); // dummy value for primitive here
// because of firstVert, upload elems first
if( stream->drawElements.numElems ) {
mesh_t elemMesh;
memset( &elemMesh, 0, sizeof( elemMesh ) );
elemMesh.elems = dynamicStreamElems[i] + stream->drawElements.firstElem;
elemMesh.numElems = stream->drawElements.numElems;
R_UploadVBOElemData( stream->vbo, 0, stream->drawElements.firstElem, &elemMesh );
stream->drawElements.firstElem += stream->drawElements.numElems;
stream->drawElements.numElems = 0;
}
if( stream->drawElements.numVerts ) {
R_UploadVBOVertexRawData( stream->vbo, stream->drawElements.firstVert, stream->drawElements.numVerts,
stream->vertexData + stream->drawElements.firstVert * stream->vbo->vertexSize );
stream->drawElements.firstVert += stream->drawElements.numVerts;
stream->drawElements.numVerts = 0;
}
}
RB_GetScissor( &sx, &sy, &sw, &sh );
Matrix4_Copy( rb.objectMatrix, m );
transx = m[12];
transy = m[13];
for( i = 0, draw = rb.dynamicDraws; i < numDraws; i++, draw++ ) {
RB_BindShader( draw->entity, draw->shader, draw->fog );
RB_BindVBO( draw->streamId, draw->primitive );
RB_SetPortalSurface( draw->portalSurface );
RB_SetShadowBits( draw->shadowBits );
RB_Scissor( draw->scissor[0], draw->scissor[1], draw->scissor[2], draw->scissor[3] );
// translate the mesh in 2D
if( ( offsetx != draw->offset[0] ) || ( offsety != draw->offset[1] ) ) {
offsetx = draw->offset[0];
offsety = draw->offset[1];
m[12] = transx + offsetx;
m[13] = transy + offsety;
RB_LoadObjectMatrix( m );
}
RB_DrawElements(
draw->drawElements.firstVert, draw->drawElements.numVerts,
draw->drawElements.firstElem, draw->drawElements.numElems,
draw->drawElements.firstVert, draw->drawElements.numVerts,
draw->drawElements.firstElem, draw->drawElements.numElems );
}
rb.numDynamicDraws = 0;
RB_Scissor( sx, sy, sw, sh );
// restore the original translation in the object matrix if it has been changed
if( offsetx || offsety ) {
m[12] = transx;
m[13] = transy;
RB_LoadObjectMatrix( m );
}
}
/*
* R_DrawAliasSurf
*
* Interpolates between two frames and origins
*/
qboolean R_DrawAliasSurf( const entity_t *e, const shader_t *shader, const mfog_t *fog, drawSurfaceAlias_t *drawSurf )
{
int i;
int framenum, oldframenum;
float backv[3], frontv[3];
vec3_t normal, oldnormal;
qboolean calcVerts, calcNormals, calcSTVectors;
vec3_t move;
const maliasframe_t *frame, *oldframe;
const maliasvertex_t *v, *ov;
float backlerp = e->backlerp;
const maliasmodel_t *model = ( const maliasmodel_t * )drawSurf->model->extradata;
const maliasmesh_t *aliasmesh = drawSurf->mesh;
vattribmask_t vattribs;
// see what vertex attribs backend needs
vattribs = RB_GetVertexAttribs();
framenum = bound( e->frame, 0, model->numframes );
oldframenum = bound( e->oldframe, 0, model->numframes );
frame = model->frames + framenum;
oldframe = model->frames + oldframenum;
for( i = 0; i < 3; i++ )
move[i] = frame->translate[i] + ( oldframe->translate[i] - frame->translate[i] ) * backlerp;
// based on backend's needs
calcNormals = calcSTVectors = qfalse;
calcNormals = ( ( vattribs & VATTRIB_NORMAL_BIT ) != 0 ) && ( ( framenum != 0 ) || ( oldframenum != 0 ) );
calcSTVectors = ( ( vattribs & VATTRIB_SVECTOR_BIT ) != 0 ) && calcNormals;
if( aliasmesh->vbo != NULL && !framenum && !oldframenum )
{
RB_BindVBO( aliasmesh->vbo->index, GL_TRIANGLES );
RB_DrawElements( 0, aliasmesh->numverts, 0, aliasmesh->numtris * 3 );
}
else
{
mesh_t *rb_mesh;
vec3_t *inVertsArray;
vec3_t *inNormalsArray;
vec4_t *inSVectorsArray;
RB_BindVBO( RB_VBO_STREAM, GL_TRIANGLES );
rb_mesh = RB_MapBatchMesh( aliasmesh->numverts, aliasmesh->numtris * 3 );
if( !rb_mesh ) {
ri.Com_DPrintf( S_COLOR_YELLOW "R_DrawAliasSurf: RB_MapBatchMesh returned NULL for (%s)(%s)",
drawSurf->model->name, aliasmesh->name );
return qfalse;
}
inVertsArray = rb_mesh->xyzArray;
inNormalsArray = rb_mesh->normalsArray;
inSVectorsArray = rb_mesh->sVectorsArray;
if( !framenum && !oldframenum )
{
calcVerts = qfalse;
if( calcNormals )
{
v = aliasmesh->vertexes;
for( i = 0; i < aliasmesh->numverts; i++, v++ )
R_LatLongToNorm( v->latlong, inNormalsArray[i] );
}
}
else if( framenum == oldframenum )
{
calcVerts = qtrue;
for( i = 0; i < 3; i++ )
frontv[i] = frame->scale[i];
v = aliasmesh->vertexes + framenum * aliasmesh->numverts;
for( i = 0; i < aliasmesh->numverts; i++, v++ )
{
VectorSet( inVertsArray[i],
move[0] + v->point[0]*frontv[0],
move[1] + v->point[1]*frontv[1],
move[2] + v->point[2]*frontv[2] );
if( calcNormals )
R_LatLongToNorm( v->latlong, inNormalsArray[i] );
}
}
else
{
calcVerts = qtrue;
for( i = 0; i < 3; i++ )
{
backv[i] = backlerp * oldframe->scale[i];
frontv[i] = ( 1.0f - backlerp ) * frame->scale[i];
}
v = aliasmesh->vertexes + framenum * aliasmesh->numverts;
ov = aliasmesh->vertexes + oldframenum * aliasmesh->numverts;
for( i = 0; i < aliasmesh->numverts; i++, v++, ov++ )
{
VectorSet( inVertsArray[i],
move[0] + v->point[0]*frontv[0] + ov->point[0]*backv[0],
move[1] + v->point[1]*frontv[1] + ov->point[1]*backv[1],
move[2] + v->point[2]*frontv[2] + ov->point[2]*backv[2] );
if( calcNormals )
{
R_LatLongToNorm( v->latlong, normal );
R_LatLongToNorm( ov->latlong, oldnormal );
VectorSet( inNormalsArray[i],
normal[0] + ( oldnormal[0] - normal[0] ) * backlerp,
normal[1] + ( oldnormal[1] - normal[1] ) * backlerp,
normal[2] + ( oldnormal[2] - normal[2] ) * backlerp );
}
}
}
if( calcSTVectors )
R_BuildTangentVectors( aliasmesh->numverts, inVertsArray, inNormalsArray, aliasmesh->stArray, aliasmesh->numtris, aliasmesh->elems, inSVectorsArray );
if( !calcVerts ) {
rb_mesh->xyzArray = aliasmesh->xyzArray;
}
rb_mesh->elems = aliasmesh->elems;
rb_mesh->numElems = aliasmesh->numtris * 3;
rb_mesh->numVerts = aliasmesh->numverts;
rb_mesh->stArray = aliasmesh->stArray;
if( !calcNormals ) {
rb_mesh->normalsArray = aliasmesh->normalsArray;
}
if( !calcSTVectors ) {
rb_mesh->sVectorsArray = aliasmesh->sVectorsArray;
}
RB_UploadMesh( rb_mesh );
RB_EndBatch();
}
return qfalse;
}
/*
* RB_BeginRegistration
*/
void RB_BeginRegistration( void )
{
RB_RegisterStreamVBOs();
RB_BindVBO( 0, 0 );
}
/*
* R_DrawSkySurf
*/
void R_DrawSkySurf( const entity_t *e, const shader_t *shader, const mfog_t *fog, const portalSurface_t *portalSurface,
unsigned int shadowBits, drawSurfaceSky_t *drawSurf ) {
int i;
int numVisSides;
visSkySide_t visSkySides[6];
vec3_t mins, maxs;
int umin, umax, vmin, vmax;
bool skyportal = portalSurface != NULL && portalSurface->skyPortal;
skydome_t *skydome = rsh.worldBrushModel->skydome;
if( !skydome ) {
return;
}
if( skyportal && !fog ) {
return;
}
numVisSides = 0;
ClearBounds( mins, maxs );
memset( visSkySides, 0, sizeof( visSkySides ) );
for( i = 0; i < 6; i++ ) {
if( drawSurf->skyMins[0][i] >= drawSurf->skyMaxs[0][i] ||
drawSurf->skyMins[1][i] >= drawSurf->skyMaxs[1][i] ) {
continue;
}
// increase the visible sides counter
numVisSides++;
umin = (int)( ( drawSurf->skyMins[0][i] + 1.0f ) * 0.5f * (float)( SIDE_SIZE - 1 ) );
umax = (int)( ( drawSurf->skyMaxs[0][i] + 1.0f ) * 0.5f * (float)( SIDE_SIZE - 1 ) ) + 1;
vmin = (int)( ( drawSurf->skyMins[1][i] + 1.0f ) * 0.5f * (float)( SIDE_SIZE - 1 ) );
vmax = (int)( ( drawSurf->skyMaxs[1][i] + 1.0f ) * 0.5f * (float)( SIDE_SIZE - 1 ) ) + 1;
clamp( umin, 0, SIDE_SIZE - 1 );
clamp( umax, 0, SIDE_SIZE - 1 );
clamp( vmin, 0, SIDE_SIZE - 1 );
clamp( vmax, 0, SIDE_SIZE - 1 );
visSkySides[i].index = i;
visSkySides[i].firstVert = vmin * SIDE_SIZE + umin;
visSkySides[i].numVerts = ( vmax - vmin ) * SIDE_SIZE + ( umax - umin ) + 1;
visSkySides[i].firstElem = ( vmin * ( SIDE_SIZE - 2 ) + umin ) * 6;
visSkySides[i].numElems = ( ( vmax - vmin ) * ( SIDE_SIZE - 2 ) + ( umax - umin ) ) * 6;
clamp( visSkySides[i].firstVert, 0, POINTS_LEN - 1 );
clamp( visSkySides[i].numVerts, 0, POINTS_LEN );
clamp( visSkySides[i].firstElem, 0, ELEM_LEN - 1 );
clamp( visSkySides[i].numElems, 0, ELEM_LEN );
skydome->meshes[i].numElems = visSkySides[i].numElems;
}
// no sides are truly visible, ignore
if( !numVisSides ) {
return;
}
// center skydome on camera to give the illusion of a larger space
rsc.skyent->scale = shader->skyHeight;
VectorCopy( rn.viewOrigin, rsc.skyent->origin );
R_TransformForEntity( rsc.skyent );
if( skyportal ) {
// render fake fogged skybox
R_DrawSkyBox( skydome, visSkySides, rsh.emptyFogShader, shader, fog, drawSurf );
} else {
if( shader->skyboxImages[0] ) {
R_DrawSkyBox( skydome, visSkySides, rsh.skyShader, shader, fog, drawSurf );
} else {
R_DrawBlackBottom( skydome, visSkySides, fog, drawSurf );
}
if( shader->numpasses ) {
for( i = 0; i < 5; i++ ) {
const visSkySide_t *visSide = visSkySides + i;
if( drawSurf->skyMins[0][i] >= drawSurf->skyMaxs[0][i] ||
drawSurf->skyMins[1][i] >= drawSurf->skyMaxs[1][i] ) {
continue;
}
RB_BindShader( rsc.skyent, shader, NULL ); // must be called for every side to reset backend state
RB_BindVBO( skydome->sphereVbos[i]->index, GL_TRIANGLES );
RB_DrawElements( visSide->firstVert, visSide->numVerts, visSide->firstElem, visSide->numElems, 0, 0, 0, 0 );
}
}
}
R_TransformForEntity( e );
}
/*
* R_DrawBSPSurf
*/
void R_DrawBSPSurf( const entity_t *e, const shader_t *shader, const mfog_t *fog, const portalSurface_t *portalSurface, unsigned int entShadowBits, drawSurfaceBSP_t *drawSurf )
{
const vboSlice_t *slice;
const vboSlice_t *shadowSlice;
static const vboSlice_t nullSlice = { 0 };
int firstVert, firstElem;
int numVerts, numElems;
int firstShadowVert, firstShadowElem;
int numShadowVerts, numShadowElems;
unsigned shadowBits, dlightBits;
slice = R_GetVBOSlice( drawSurf - rsh.worldBrushModel->drawSurfaces );
shadowSlice = R_GetVBOSlice( rsh.worldBrushModel->numDrawSurfaces + ( drawSurf - rsh.worldBrushModel->drawSurfaces ) );
if( !shadowSlice ) {
shadowSlice = &nullSlice;
}
assert( slice != NULL );
if( drawSurf->dlightFrame == rsc.frameCount ) {
dlightBits = drawSurf->dlightBits & rn.dlightBits;
}
else {
dlightBits = 0;
}
if( drawSurf->shadowFrame == rsc.frameCount ) {
shadowBits = (drawSurf->shadowBits & rn.shadowBits) & rsc.renderedShadowBits;
}
else {
shadowBits = 0;
}
// shadowBits are shared for all rendering instances (normal view, portals, etc)
// if either shadow slice is empty or shadowBits is 0, then we must pass the surface unshadowed
numVerts = slice->numVerts;
numElems = slice->numElems;
firstVert = drawSurf->firstVboVert + slice->firstVert;
firstElem = drawSurf->firstVboElem + slice->firstElem;
if( shadowBits && shadowSlice->numElems ) {
numShadowVerts = shadowSlice->numVerts;
numShadowElems = shadowSlice->numElems;
firstShadowVert = drawSurf->firstVboVert + shadowSlice->firstVert;
firstShadowElem = drawSurf->firstVboElem + shadowSlice->firstElem;
}
else {
shadowBits = 0;
numShadowVerts = 0;
numShadowElems = 0;
firstShadowVert = 0;
firstShadowElem = 0;
}
RB_BindVBO( drawSurf->vbo->index, GL_TRIANGLES );
RB_SetDlightBits( dlightBits );
RB_SetShadowBits( shadowBits );
RB_SetLightstyle( drawSurf->superLightStyle );
if( drawSurf->numInstances ) {
RB_DrawElementsInstanced( firstVert, numVerts, firstElem, numElems,
firstShadowVert, numShadowVerts, firstShadowElem, numShadowElems,
drawSurf->numInstances, drawSurf->instances );
}
else {
RB_DrawElements( firstVert, numVerts, firstElem, numElems,
firstShadowVert, numShadowVerts, firstShadowElem, numShadowElems );
}
}
/*
* R_BeginPolySurf
*/
qboolean R_BeginPolySurf( const entity_t *e, const shader_t *shader, const mfog_t *fog, drawSurfacePoly_t *drawSurf )
{
RB_BindVBO( RB_VBO_STREAM, GL_TRIANGLES );
return qtrue;
}
/*
* R_BlitTextureToScrFbo
*/
static void R_BlitTextureToScrFbo( const refdef_t *fd, image_t *image, int dstFbo,
int program_type, const vec4_t color, int blendMask, int numShaderImages, image_t **shaderImages )
{
int x, y;
int w, h, fw, fh;
static char s_name[] = "$builtinpostprocessing";
static shaderpass_t p;
static shader_t s;
int i;
static tcmod_t tcmod;
mat4_t m;
assert( rsh.postProcessingVBO );
// blit + flip using a static mesh to avoid redundant buffer uploads
// (also using custom PP effects like FXAA with the stream VBO causes
// Adreno to mark the VBO as "slow" (due to some weird bug)
// for the rest of the frame and drop FPS to 10-20).
RB_FlushDynamicMeshes();
RB_BindFrameBufferObject( dstFbo );
if( !dstFbo ) {
// default framebuffer
// set the viewport to full resolution
// but keep the scissoring region
x = fd->x;
y = fd->y;
w = fw = fd->width;
h = fh = fd->height;
RB_Viewport( 0, 0, glConfig.width, glConfig.height );
RB_Scissor( rn.scissor[0], rn.scissor[1], rn.scissor[2], rn.scissor[3] );
}
else {
// aux framebuffer
// set the viewport to full resolution of the framebuffer (without the NPOT padding if there's one)
// draw quad on the whole framebuffer texture
// set scissor to default framebuffer resolution
image_t *cb = RFB_GetObjectTextureAttachment( dstFbo, false );
x = 0;
y = 0;
w = fw = rf.frameBufferWidth;
h = fh = rf.frameBufferHeight;
if( cb ) {
fw = cb->upload_width;
fh = cb->upload_height;
}
RB_Viewport( 0, 0, w, h );
RB_Scissor( 0, 0, glConfig.width, glConfig.height );
}
s.vattribs = VATTRIB_POSITION_BIT|VATTRIB_TEXCOORDS_BIT;
s.sort = SHADER_SORT_NEAREST;
s.numpasses = 1;
s.name = s_name;
s.passes = &p;
p.rgbgen.type = RGB_GEN_IDENTITY;
p.alphagen.type = ALPHA_GEN_IDENTITY;
p.tcgen = TC_GEN_NONE;
p.images[0] = image;
for( i = 0; i < numShaderImages; i++ )
p.images[i + 1] = shaderImages[i];
p.flags = blendMask;
p.program_type = program_type;
if( !dstFbo ) {
tcmod.type = TC_MOD_TRANSFORM;
tcmod.args[0] = ( float )( w ) / ( float )( image->upload_width );
tcmod.args[1] = ( float )( h ) / ( float )( image->upload_height );
tcmod.args[4] = ( float )( x ) / ( float )( image->upload_width );
tcmod.args[5] = ( float )( image->upload_height - h - y ) / ( float )( image->upload_height );
p.numtcmods = 1;
p.tcmods = &tcmod;
}
else {
p.numtcmods = 0;
}
Matrix4_Identity( m );
Matrix4_Scale2D( m, fw, fh );
Matrix4_Translate2D( m, x, y );
RB_LoadObjectMatrix( m );
RB_BindShader( NULL, &s, NULL );
RB_BindVBO( rsh.postProcessingVBO->index, GL_TRIANGLES );
RB_DrawElements( 0, 4, 0, 6, 0, 0, 0, 0 );
RB_LoadObjectMatrix( mat4x4_identity );
// restore 2D viewport and scissor
RB_Viewport( 0, 0, rf.frameBufferWidth, rf.frameBufferHeight );
RB_Scissor( 0, 0, rf.frameBufferWidth, rf.frameBufferHeight );
}
/*
* R_DrawSkeletalSurf
*/
qboolean R_DrawSkeletalSurf( const entity_t *e, const shader_t *shader, const mfog_t *fog, drawSurfaceSkeletal_t *drawSurf )
{
unsigned int i, j;
int framenum = e->frame;
int oldframenum = e->oldframe;
float backlerp = e->backlerp;
float frontlerp = 1.0 - backlerp;
bonepose_t tempbonepose[256];
const bonepose_t *bp, *oldbp, *bonepose, *oldbonepose, *lerpedbonepose;
bonepose_t *out, tp;
mskbone_t *bone;
mat4_t *bonePoseRelativeMat;
dualquat_t *bonePoseRelativeDQ;
size_t bonePoseRelativeMatSize, bonePoseRelativeDQSize;
const model_t *mod = drawSurf->model;
const mskmodel_t *skmodel = ( const mskmodel_t * )mod->extradata;
const mskmesh_t *skmesh = drawSurf->mesh;
qboolean hardwareTransform = skmesh->vbo != NULL && glConfig.maxGLSLBones > 0 ? qtrue : qfalse;
vattribmask_t vattribs;
bonePoseRelativeMat = NULL;
bonePoseRelativeDQ = NULL;
bp = e->boneposes;
oldbp = e->oldboneposes;
// not sure if it's really needed
if( bp == skmodel->frames[0].boneposes )
{
bp = NULL;
framenum = oldframenum = 0;
}
// choose boneposes for lerping
if( bp )
{
if( !oldbp )
oldbp = bp;
}
else
{
if( ( framenum >= (int)skmodel->numframes ) || ( framenum < 0 ) )
{
#ifndef PUBLIC_BUILD
ri.Com_DPrintf( "R_DrawBonesFrameLerp %s: no such frame %d\n", mod->name, framenum );
#endif
framenum = 0;
}
if( ( oldframenum >= (int)skmodel->numframes ) || ( oldframenum < 0 ) )
{
#ifndef PUBLIC_BUILD
ri.Com_DPrintf( "R_DrawBonesFrameLerp %s: no such oldframe %d\n", mod->name, oldframenum );
#endif
oldframenum = 0;
}
bp = skmodel->frames[framenum].boneposes;
oldbp = skmodel->frames[oldframenum].boneposes;
}
if( bp == oldbp && !framenum && skmesh->vbo != NULL ) {
// fastpath: render static frame 0 as is
RB_BindVBO( skmesh->vbo->index, GL_TRIANGLES );
RB_DrawElements( 0, skmesh->numverts, 0, skmesh->numtris * 3 );
return qfalse;
}
// see what vertex attribs backend needs
vattribs = RB_GetVertexAttribs();
// cache size
bonePoseRelativeMatSize = sizeof( mat4_t ) * (skmodel->numbones + skmodel->numblends);
bonePoseRelativeDQSize = sizeof( dualquat_t ) * skmodel->numbones;
// fetch bones tranforms from cache (both matrices and dual quaternions)
bonePoseRelativeDQ = ( dualquat_t * )R_GetSketalCache( R_ENT2NUM( e ), mod->lodnum );
if( bonePoseRelativeDQ ) {
bonePoseRelativeMat = ( mat4_t * )(( qbyte * )bonePoseRelativeDQ + bonePoseRelativeDQSize);
}
else {
// lerp boneposes and store results in cache
lerpedbonepose = tempbonepose;
if( bp == oldbp || frontlerp == 1 )
{
if( e->boneposes )
{
// assume that parent transforms have already been applied
lerpedbonepose = bp;
}
else
{
for( i = 0; i < skmodel->numbones; i++ )
{
j = i;
out = tempbonepose + j;
bonepose = bp + j;
bone = skmodel->bones + j;
if( bone->parent >= 0 ) {
DualQuat_Multiply( tempbonepose[bone->parent].dualquat, bonepose->dualquat, out->dualquat );
}
else {
DualQuat_Copy( bonepose->dualquat, out->dualquat );
}
}
}
}
else
{
if( e->boneposes )
{
// lerp, assume that parent transforms have already been applied
for( i = 0, out = tempbonepose, bonepose = bp, oldbonepose = oldbp, bone = skmodel->bones; i < skmodel->numbones; i++, out++, bonepose++, oldbonepose++, bone++ )
{
DualQuat_Lerp( oldbonepose->dualquat, bonepose->dualquat, frontlerp, out->dualquat );
}
}
else
{
// lerp and transform
for( i = 0; i < skmodel->numbones; i++ )
{
j = i;
out = tempbonepose + j;
bonepose = bp + j;
oldbonepose = oldbp + j;
bone = skmodel->bones + j;
DualQuat_Lerp( oldbonepose->dualquat, bonepose->dualquat, frontlerp, out->dualquat );
if( bone->parent >= 0 ) {
DualQuat_Copy( out->dualquat, tp.dualquat );
DualQuat_Multiply( tempbonepose[bone->parent].dualquat, tp.dualquat, out->dualquat );
}
}
}
}
bonePoseRelativeDQ = ( dualquat_t * )R_AllocSkeletalDataCache( R_ENT2NUM( e ), mod->lodnum,
bonePoseRelativeDQSize + bonePoseRelativeMatSize );
// generate dual quaternions for all bones
for( i = 0; i < skmodel->numbones; i++ ) {
DualQuat_Multiply( lerpedbonepose[i].dualquat, skmodel->invbaseposes[i].dualquat, bonePoseRelativeDQ[i] );
DualQuat_Normalize( bonePoseRelativeDQ[i] );
}
// CPU transforms
if( !hardwareTransform ) {
bonePoseRelativeMat = ( mat4_t * )(( qbyte * )bonePoseRelativeDQ + bonePoseRelativeDQSize);
// generate matrices for all bones
for( i = 0; i < skmodel->numbones; i++ ) {
Matrix4_FromDualQuaternion( bonePoseRelativeDQ[i], bonePoseRelativeMat[i] );
}
// generate matrices for all blend combinations
R_SkeletalBlendPoses( skmodel->numblends, skmodel->blends, skmodel->numbones, bonePoseRelativeMat );
}
}
if( hardwareTransform )
{
RB_BindVBO( skmesh->vbo->index, GL_TRIANGLES );
RB_SetBonesData( skmodel->numbones, bonePoseRelativeDQ, skmesh->maxWeights );
RB_DrawElements( 0, skmesh->numverts, 0, skmesh->numtris * 3 );
}
else
{
mesh_t *rb_mesh;
RB_BindVBO( RB_VBO_STREAM, GL_TRIANGLES );
rb_mesh = RB_MapBatchMesh( skmesh->numverts, skmesh->numtris * 3 );
if( !rb_mesh ) {
ri.Com_DPrintf( S_COLOR_YELLOW "R_DrawAliasSurf: RB_MapBatchMesh returned NULL for (%s)(%s)",
drawSurf->model->name, skmesh->name );
return qfalse;
}
R_SkeletalTransformVerts( skmesh->numverts, skmesh->vertexBlends, bonePoseRelativeMat,
( vec_t * )skmesh->xyzArray[0], ( vec_t * )rb_mesh->xyzArray );
if( vattribs & VATTRIB_SVECTOR_BIT ) {
R_SkeletalTransformNormalsAndSVecs( skmesh->numverts, skmesh->vertexBlends, bonePoseRelativeMat,
( vec_t * )skmesh->normalsArray[0], ( vec_t * )rb_mesh->normalsArray,
( vec_t * )skmesh->sVectorsArray[0], ( vec_t * )rb_mesh->sVectorsArray );
} else if( vattribs & VATTRIB_NORMAL_BIT ) {
R_SkeletalTransformNormals( skmesh->numverts, skmesh->vertexBlends, bonePoseRelativeMat,
( vec_t * )skmesh->normalsArray[0], ( vec_t * )rb_mesh->normalsArray );
}
rb_mesh->elems = skmesh->elems;
rb_mesh->numElems = skmesh->numtris * 3;
rb_mesh->numVerts = skmesh->numverts;
rb_mesh->stArray = skmesh->stArray;
RB_UploadMesh( rb_mesh );
RB_EndBatch();
}
return qfalse;
}
/*
* R_DrawSkySurf
*/
qboolean R_DrawSkySurf( const entity_t *e, const shader_t *shader, const mfog_t *fog, drawSurfaceBSP_t *drawSurf )
{
int i;
int numVisSides;
visSkySide_t visSkySides[6];
vec3_t mins, maxs;
int umin, umax, vmin, vmax;
entity_t skyent;
refdef_t *rd = &rn.refdef;
skydome_t *skydome = r_worldbrushmodel->skydome;
if( !skydome )
return qfalse;
numVisSides = 0;
ClearBounds( mins, maxs );
memset( visSkySides, 0, sizeof( visSkySides ) );
for( i = 0; i < 6; i++ )
{
if( rn.skyMins[0][i] >= rn.skyMaxs[0][i] ||
rn.skyMins[1][i] >= rn.skyMaxs[1][i] )
continue;
// increase the visible sides counter
numVisSides++;
umin = (int)( ( rn.skyMins[0][i]+1.0f )*0.5f*(float)( SIDE_SIZE-1 ) );
umax = (int)( ( rn.skyMaxs[0][i]+1.0f )*0.5f*(float)( SIDE_SIZE-1 ) ) + 1;
vmin = (int)( ( rn.skyMins[1][i]+1.0f )*0.5f*(float)( SIDE_SIZE-1 ) );
vmax = (int)( ( rn.skyMaxs[1][i]+1.0f )*0.5f*(float)( SIDE_SIZE-1 ) ) + 1;
clamp( umin, 0, SIDE_SIZE-1 );
clamp( umax, 0, SIDE_SIZE-1 );
clamp( vmin, 0, SIDE_SIZE-1 );
clamp( vmax, 0, SIDE_SIZE-1 );
visSkySides[i].index = i;
visSkySides[i].firstVert = vmin * SIDE_SIZE + umin;
visSkySides[i].numVerts = (vmax - vmin) * SIDE_SIZE + (umax - umin);
visSkySides[i].firstElem = (vmin * (SIDE_SIZE-1) + umin) * 6;
visSkySides[i].numElems = ((vmax - vmin) * (SIDE_SIZE-1) + (umax - umin)) * 6;
AddPointToBounds( skydome->meshes[i].xyzArray[vmin*SIDE_SIZE+umin], mins, maxs );
AddPointToBounds( skydome->meshes[i].xyzArray[vmax*SIDE_SIZE+umax], mins, maxs );
skydome->meshes[i].numElems = visSkySides[i].numElems;
}
// no sides are truly visible, ignore
if( !numVisSides )
return qfalse;
VectorAdd( mins, rn.viewOrigin, mins );
VectorAdd( maxs, rn.viewOrigin, maxs );
if( rd->rdflags & RDF_SKYPORTALINVIEW ) {
R_DrawSkyPortal( e, &rd->skyportal, mins, maxs );
return qfalse;
}
// center skydome on camera to give the illusion of a larger space
skyent = *rsc.worldent;
skyent.scale = shader->skyHeight;
VectorCopy( rn.viewOrigin, skyent.origin );
R_TransformForEntity( &skyent );
if( shader->skyboxImages[0] )
R_DrawSkyBox( skydome, visSkySides, shader );
else
R_DrawBlackBottom( skydome, visSkySides );
if( shader->numpasses )
{
RB_BindShader( rsc.worldent, shader, rn.skyFog );
for( i = 0; i < 5; i++ )
{
const visSkySide_t *visSide = visSkySides + i;
if( rn.skyMins[0][i] >= rn.skyMaxs[0][i] ||
rn.skyMins[1][i] >= rn.skyMaxs[1][i] )
continue;
RB_BindVBO( skydome->sphereVbos[i]->index, GL_TRIANGLES );
RB_DrawElements( visSide->firstVert, visSide->numVerts, visSide->firstElem, visSide->numElems );
}
}
R_TransformForEntity( e );
return qfalse;
}