203 lines
6.8 KiB
C
203 lines
6.8 KiB
C
/*
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* Copyright (c) 1993-1995 Argonaut Technologies Limited. All rights reserved.
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*
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* $Id: lighting.c 1.2 1997/08/11 14:25:49 jon Exp JON $
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* $Locker: JON $
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*
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* Geometry format for rendering the order table buckets spat out by a prior hidden surface render
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*/
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#include <stddef.h>
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#include <string.h>
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#include "drv.h"
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#include "shortcut.h"
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#include "brassert.h"
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BR_RCS_ID("$Id: lighting.c 1.2 1997/08/11 14:25:49 jon Exp JON $");
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/*
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* Default dispatch table for renderer type (defined at end of file)
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*/
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static const struct br_geometry_lighting_dispatch geometryLightingDispatch;
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/*
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* Geometry format info. template
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*/
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#define F(f) offsetof(struct br_geometry_lighting, f)
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static const struct br_tv_template_entry geometryLightingTemplateEntries[] = {
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{BRT_IDENTIFIER_CSTR, 0, F(identifier), BRTV_QUERY | BRTV_ALL, BRTV_CONV_COPY, },
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{BRT_RENDERER_FACILITY_O,0, F(renderer_facility), BRTV_QUERY | BRTV_ALL, BRTV_CONV_COPY, },
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{BRT_FACILITY_O, 0, F(renderer_facility), BRTV_QUERY, BRTV_CONV_COPY, },
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};
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#undef F
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/*
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* Allocate a geometry format
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*/
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br_geometry_lighting * GeometryLightingAllocate(br_renderer_facility *type, char *id)
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{
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br_geometry_lighting * self;
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self = BrResAllocate(type, sizeof(*self), BR_MEMORY_OBJECT);
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if(self == NULL)
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return NULL;
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self->dispatch = (struct br_geometry_lighting_dispatch *)&geometryLightingDispatch;
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self->identifier = id;
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self->device = type->device;
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self->renderer_facility = type;
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ObjectContainerAddFront(type, (br_object *)self);
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return self;
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}
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static void BR_CMETHOD_DECL(br_geometry_lighting_d3d, free)(br_geometry_lighting *self)
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{
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ObjectContainerRemove(self->renderer_facility, (br_object *)self);
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BrResFreeNoCallback(self);
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}
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static br_token BR_CMETHOD_DECL(br_geometry_lighting_d3d, type)(br_geometry_lighting *self)
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{
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return BRT_GEOMETRY_LIGHTING;
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}
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static br_boolean BR_CMETHOD_DECL(br_geometry_lighting_d3d, isType)(br_geometry_lighting *self, br_token t)
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{
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return (t == BRT_GEOMETRY_LIGHTING) || (t == BRT_GEOMETRY) || (t == BRT_OBJECT);
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}
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static br_int_32 BR_CMETHOD_DECL(br_geometry_lighting_d3d, space)(br_geometry_lighting *self)
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{
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return sizeof(br_geometry_lighting);
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}
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static struct br_tv_template * BR_CMETHOD_DECL(br_geometry_lighting_d3d, templateQuery)
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(br_geometry_lighting *self)
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{
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if(self->device->templates.geometryLightingTemplate == NULL)
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self->device->templates.geometryLightingTemplate = BrTVTemplateAllocate(self->device,
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(struct br_tv_template_entry *)geometryLightingTemplateEntries,
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BR_ASIZE(geometryLightingTemplateEntries));
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return self->device->templates.geometryLightingTemplate;
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}
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/*
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* Lighting function calling facility
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*/
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br_error BR_CMETHOD_DECL(br_geometry_lighting_d3d, render)
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(struct br_geometry *self, struct br_renderer *renderer,
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br_vector3 *points, br_vector3 *normals,
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br_colour *colour_in, br_colour *colour_out,
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br_uint_16 *redirect, int pstride, int nstride,
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int cinstride, int coutstride, int nvertices)
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{
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int i, j;
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br_vector2 map = {BR_SCALAR(0.0), BR_SCALAR(0.0)};
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D3DTLVERTEX d3dtlv;
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if(!scache.valid_per_scene){
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StaticCacheUpdate_PerScene(renderer);
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scache.valid_per_scene = BR_TRUE;
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}
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if(!scache.valid_per_model){
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StaticCacheUpdate_PerModel(renderer);
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scache.valid_per_model = BR_TRUE;
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}
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CacheUpdate(renderer);
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if(redirect)
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colour_out = (br_colour *)(((char *)colour_out) + coutstride*(*redirect));
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for(j = 0; j < nvertices; j++){
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for(i = 0; i < renderer->state.cache.nvertex_fns; i++)
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renderer->state.cache.vertex_fns[i](renderer, points,
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&map, normals, *colour_in, &d3dtlv);
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for(i = 0; i < renderer->state.cache.nconstant_fns; i++)
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renderer->state.cache.constant_fns[i](renderer, points,
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&map, normals, *colour_in, &d3dtlv);
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*((char *)colour_out) = (char)RGBA_GETALPHA(d3dtlv.dcColor);
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*(((char *)colour_out)+1) = (char)RGBA_GETRED(d3dtlv.dcColor);
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*(((char *)colour_out)+2) = (char)RGBA_GETGREEN(d3dtlv.dcColor);
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*(((char *)colour_out)+3) = (char)RGBA_GETBLUE(d3dtlv.dcColor);
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points = (br_vector3 *)((char *)points + pstride);
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normals = (br_vector3 *)((char *)normals + nstride);
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colour_in = (br_colour *)((char *)colour_in + cinstride);
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if(redirect){
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colour_out = (br_colour *)(((char *)colour_out) + coutstride*((*(redirect+1))-(*redirect)));
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redirect++;
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}
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else
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colour_out = (br_colour *)(((char *)colour_out) + coutstride);
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}
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return BRE_OK;
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}
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#if BASED_FIXED
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br_error BR_CMETHOD_DECL(br_geometry_lighting_d3d, renderFloatToFixed)
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(struct br_geometry *self, struct br_renderer *renderer,
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br_vector3 *points, br_vector3 *normals,
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br_colour *colour_in, br_colour *colour_out,
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br_uint_16 *redirect, int pstride, int nstride,
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int cinstride, int coutstride, int nvertices)
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{
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return BRE_FAIL;
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}
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#endif
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#if BASED_FLOAT
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br_error BR_CMETHOD_DECL(br_geometry_lighting_d3d, renderFixedToFloat)
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(struct br_geometry *self, struct br_renderer *renderer,
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br_vector3 *points, br_vector3 *normals,
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br_colour *colour_in, br_colour *colour_out,
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br_uint_16 *redirect, int pstride, int nstride,
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int cinstride, int coutstride, int nvertices)
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{
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return BRE_FAIL;
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}
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#endif
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/*
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* Default dispatch table for renderer type
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*/
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static const struct br_geometry_lighting_dispatch geometryLightingDispatch = {
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NULL,
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NULL,
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NULL,
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NULL,
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BR_CMETHOD_REF(br_geometry_lighting_d3d, free),
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BR_CMETHOD_REF(br_object_d3d, identifier),
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BR_CMETHOD_REF(br_geometry_lighting_d3d, type),
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BR_CMETHOD_REF(br_geometry_lighting_d3d, isType),
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BR_CMETHOD_REF(br_object_d3d, device),
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BR_CMETHOD_REF(br_geometry_lighting_d3d, space),
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BR_CMETHOD_REF(br_geometry_lighting_d3d, templateQuery),
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BR_CMETHOD_REF(br_object, query),
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BR_CMETHOD_REF(br_object, queryBuffer),
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BR_CMETHOD_REF(br_object, queryMany),
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BR_CMETHOD_REF(br_object, queryManySize),
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BR_CMETHOD_REF(br_object, queryAll),
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BR_CMETHOD_REF(br_object, queryAllSize),
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#if BASED_FIXED
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BR_CMETHOD_REF(br_geometry_lighting_d3d, renderFloatToFixed),
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BR_CMETHOD_REF(br_geometry_lighting_d3d, render),
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#endif
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#if BASED_FLOAT
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BR_CMETHOD_REF(br_geometry_lighting_d3d, render),
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BR_CMETHOD_REF(br_geometry_lighting_d3d, renderFixedToFloat),
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#endif
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};
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