dungeon_crawler

annotate prototype/src/renderer.cc @ 16:91180ee7b7d9

foo
author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 20 Aug 2012 03:40:51 +0300
parents 3a3236a4833c
children d98240a13793
rev   line source
nuclear@15 1 #include <stdio.h>
nuclear@15 2 #include <stdlib.h>
nuclear@15 3 #include <string.h>
nuclear@15 4 #include <limits.h>
nuclear@15 5 #include "opengl.h"
nuclear@15 6 #include "renderer.h"
nuclear@15 7 #include "sdr.h"
nuclear@15 8 #include "datapath.h"
nuclear@15 9
nuclear@16 10 #define MRT_COUNT (sizeof mrt_sdr_file / sizeof *mrt_sdr_file)
nuclear@15 11
nuclear@15 12 static const char *mrt_sdr_file[][2] = {
nuclear@16 13 {0, "mrt0.p.glsl"}/*,
nuclear@15 14 {0, "mrt1.p.glsl"},
nuclear@15 15 {0, "mrt2.p.glsl"},
nuclear@16 16 {0, "mrt3.p.glsl"}*/
nuclear@15 17 };
nuclear@15 18
nuclear@15 19 static unsigned int mrt_prog[MRT_COUNT];
nuclear@15 20 static unsigned int deferred_prog;
nuclear@15 21
nuclear@15 22 bool init_renderer()
nuclear@15 23 {
nuclear@15 24 char vsfile[PATH_MAX], psfile[PATH_MAX];
nuclear@15 25 const char *fname;
nuclear@15 26
nuclear@15 27 for(int i=0; i<MRT_COUNT; i++) {
nuclear@15 28 if((fname = datafile_path(mrt_sdr_file[i][0]))) {
nuclear@15 29 strcpy(vsfile, mrt_sdr_file[i][0]);
nuclear@15 30 } else {
nuclear@15 31 vsfile[0] = 0;
nuclear@15 32 }
nuclear@15 33
nuclear@15 34 if((fname = datafile_path(mrt_sdr_file[i][1]))) {
nuclear@15 35 strcpy(psfile, mrt_sdr_file[i][1]);
nuclear@15 36 } else {
nuclear@15 37 psfile[0] = 0;
nuclear@15 38 }
nuclear@15 39
nuclear@15 40 if(!(mrt_prog[i] = create_program_load(vsfile, psfile))) {
nuclear@15 41 fprintf(stderr, "failed to load MRT program\n");
nuclear@15 42 return false;
nuclear@15 43 }
nuclear@15 44 }
nuclear@15 45
nuclear@15 46 if((fname = datafile_path("deferred.v.glsl"))) {
nuclear@15 47 strcpy(vsfile, fname);
nuclear@15 48 } else {
nuclear@15 49 vsfile[0] = 0;
nuclear@15 50 }
nuclear@15 51 if((fname = datafile_path("deferred.p.glsl"))) {
nuclear@15 52 strcpy(psfile, fname);
nuclear@15 53 } else {
nuclear@15 54 psfile[0] = 0;
nuclear@15 55 }
nuclear@15 56
nuclear@15 57 if(!(deferred_prog = create_program_load(vsfile, psfile))) {
nuclear@15 58 fprintf(stderr, "failed to load deferred shader program\n");
nuclear@15 59 return false;
nuclear@15 60 }
nuclear@15 61 return true;
nuclear@15 62 }
nuclear@15 63
nuclear@15 64 void destroy_renderer()
nuclear@15 65 {
nuclear@15 66 for(int i=0; i<MRT_COUNT; i++) {
nuclear@15 67 free_program(mrt_prog[i]);
nuclear@15 68 }
nuclear@15 69 free_program(deferred_prog);
nuclear@15 70 }
nuclear@15 71
nuclear@15 72 void render_deferred(void (*draw_func)())
nuclear@15 73 {
nuclear@15 74
nuclear@15 75
nuclear@15 76 draw_func();
nuclear@15 77 }