/*
** RB_StageIteratorGeneric
*/
void RB_StageIteratorGeneric( void )
{
shaderCommands_t *input;
unsigned int vertexAttribs = 0;
input = &tess;
if (!input->numVertexes || !input->numIndexes)
{
return;
}
if (tess.useInternalVBO)
{
RB_DeformTessGeometry();
}
vertexAttribs = RB_CalcShaderVertexAttribs( input );
if (tess.useInternalVBO)
{
RB_UpdateVBOs(vertexAttribs);
}
else
{
backEnd.pc.c_staticVboDraws++;
}
//
// log this call
//
if ( r_logFile->integer )
{
// don't just call LogComment, or we will get
// a call to va() every frame!
GLimp_LogComment( va("--- RB_StageIteratorGeneric( %s ) ---\n", tess.shader->name) );
}
//
// set face culling appropriately
//
if ((backEnd.viewParms.flags & VPF_DEPTHSHADOW))
{
//GL_Cull( CT_TWO_SIDED );
if (input->shader->cullType == CT_TWO_SIDED)
GL_Cull( CT_TWO_SIDED );
else if (input->shader->cullType == CT_FRONT_SIDED)
GL_Cull( CT_BACK_SIDED );
else
GL_Cull( CT_FRONT_SIDED );
}
else
GL_Cull( input->shader->cullType );
// set polygon offset if necessary
if ( input->shader->polygonOffset )
{
qglEnable( GL_POLYGON_OFFSET_FILL );
qglPolygonOffset( r_offsetFactor->value, r_offsetUnits->value );
}
//
// Set vertex attribs and pointers
//
GLSL_VertexAttribsState(vertexAttribs);
//
// render depth if in depthfill mode
//
if (backEnd.depthFill)
{
RB_IterateStagesGeneric( input );
//
// reset polygon offset
//
if ( input->shader->polygonOffset )
{
qglDisable( GL_POLYGON_OFFSET_FILL );
}
return;
}
//
// render shadowmap if in shadowmap mode
//
if (backEnd.viewParms.flags & VPF_SHADOWMAP)
{
if ( input->shader->sort == SS_OPAQUE )
{
RB_RenderShadowmap( input );
}
//
// reset polygon offset
//
if ( input->shader->polygonOffset )
{
qglDisable( GL_POLYGON_OFFSET_FILL );
}
return;
}
//
//
// call shader function
//
RB_IterateStagesGeneric( input );
//
// pshadows!
//
if (glRefConfig.framebufferObject && tess.pshadowBits && tess.shader->sort <= SS_OPAQUE
&& !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
ProjectPshadowVBOGLSL();
}
//
// now do any dynamic lighting needed
//
if ( tess.dlightBits && tess.shader->sort <= SS_OPAQUE
&& !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
if (tess.shader->numUnfoggedPasses == 1 && tess.xstages[0]->glslShaderGroup == tr.lightallShader
&& (tess.xstages[0]->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK) && r_dlightMode->integer)
{
ForwardDlight();
}
else
{
ProjectDlightTexture();
}
}
if ((backEnd.viewParms.flags & VPF_USESUNLIGHT) && tess.shader->sort <= SS_OPAQUE
//if ((tr.sunShadows || r_forceSunlight->value > 0.0f) && tess.shader->sort <= SS_OPAQUE
&& !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) && tess.xstages[0]->glslShaderGroup == tr.lightallShader) {
ForwardSunlight();
}
//
// now do fog
//
if ( tess.fogNum && tess.shader->fogPass ) {
RB_FogPass();
}
//
// reset polygon offset
//
if ( input->shader->polygonOffset )
{
qglDisable( GL_POLYGON_OFFSET_FILL );
}
}
/*
** RB_StageIteratorGeneric
*/
void RB_StageIteratorGeneric( void )
{
shaderCommands_t *input;
unsigned int vertexAttribs = 0;
input = &tess;
if (!input->numVertexes || !input->numIndexes)
{
return;
}
if (tess.useInternalVBO)
{
RB_DeformTessGeometry();
}
vertexAttribs = RB_CalcShaderVertexAttribs( input );
if (tess.useInternalVBO)
{
RB_UpdateVBOs(vertexAttribs);
}
else
{
backEnd.pc.c_staticVboDraws++;
}
//
// log this call
//
if ( r_logFile->integer )
{
// don't just call LogComment, or we will get
// a call to va() every frame!
GLimp_LogComment( va("--- RB_StageIteratorGeneric( %s ) ---\n", tess.shader->name) );
}
if ( qglPNTrianglesiATI && tess.ATI_tess ) {
// RF< so we can send the normals as an array
qglEnableClientState( GL_NORMAL_ARRAY );
qglEnable( GL_PN_TRIANGLES_ATI ); // ATI PN-Triangles extension
}
//
// set face culling appropriately
//
if ((backEnd.viewParms.flags & VPF_DEPTHSHADOW))
{
//GL_Cull( CT_TWO_SIDED );
if (input->shader->cullType == CT_TWO_SIDED)
GL_Cull( CT_TWO_SIDED );
else if (input->shader->cullType == CT_FRONT_SIDED)
GL_Cull( CT_BACK_SIDED );
else
GL_Cull( CT_FRONT_SIDED );
}
else
GL_Cull( input->shader->cullType );
// set polygon offset if necessary
if ( input->shader->polygonOffset )
{
qglEnable( GL_POLYGON_OFFSET_FILL );
qglPolygonOffset( r_offsetFactor->value, r_offsetUnits->value );
}
//
// Set vertex attribs and pointers
//
GLSL_VertexAttribsState(vertexAttribs);
//
// render depth if in depthfill mode
//
if (backEnd.depthFill)
{
RB_IterateStagesGeneric( input );
//
// reset polygon offset
//
if ( input->shader->polygonOffset )
{
qglDisable( GL_POLYGON_OFFSET_FILL );
}
return;
}
//
// render shadowmap if in shadowmap mode
//
if (backEnd.viewParms.flags & VPF_SHADOWMAP)
{
if ( input->shader->sort == SS_OPAQUE )
{
RB_RenderShadowmap( input );
}
//
// reset polygon offset
//
if ( input->shader->polygonOffset )
{
qglDisable( GL_POLYGON_OFFSET_FILL );
}
return;
}
//
//
// call shader function
//
RB_IterateStagesGeneric( input );
//
// pshadows!
//
if (glRefConfig.framebufferObject && r_shadows->integer == 4 && tess.pshadowBits
&& tess.shader->sort <= SS_OPAQUE && !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
ProjectPshadowVBOGLSL();
}
//
// now do any dynamic lighting needed
//
if ( tess.dlightBits && tess.shader->sort <= SS_OPAQUE
&& !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
if (tess.shader->numUnfoggedPasses == 1 && tess.xstages[0]->glslShaderGroup == tr.lightallShader
&& (tess.xstages[0]->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK) && r_dlightMode->integer)
{
ForwardDlight();
}
else
{
ProjectDlightTexture();
}
}
//
// now do fog
//
if ( tess.fogNum && tess.shader->fogPass ) {
RB_FogPass(0);
}
//
// RTCW fog
// may not match original RTCW fog, since that's done per stage
//
if ( r_wolffog->integer && tess.shader->fogPass && tess.shader->sort <= SS_OPAQUE )
{
int stage, stageFog = 0;
// make sure at least one stage has fog
for ( stage = 0; stage < MAX_SHADER_STAGES; stage++ )
{
shaderStage_t *pStage = tess.xstages[stage];
if ( !pStage )
{
break;
}
if (pStage->isFogged)
{
stageFog = 1;
break;
}
}
// FIXME: this logic sucks
if (tess.shader->noFog && stageFog)
{
RB_FogPass(1);
}
else if (tess.shader->noFog && !stageFog)
{
}
else
{
RB_FogPass(1);
}
}
//
// reset polygon offset
//
if ( input->shader->polygonOffset )
{
qglDisable( GL_POLYGON_OFFSET_FILL );
}
// turn truform back off
if ( qglPNTrianglesiATI && tess.ATI_tess ) {
qglDisable( GL_PN_TRIANGLES_ATI ); // ATI PN-Triangles extension
qglDisableClientState( GL_NORMAL_ARRAY );
}
}