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https://github.com/ZDoom/raze-gles.git
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Light culling and proper diffuse material.
git-svn-id: https://svn.eduke32.com/eduke32@1233 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman
parent
3da52aede8
commit
ad1091b2df
2 changed files with 185 additions and 41 deletions
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@ -99,10 +99,30 @@ typedef struct s_prprogrambit {
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char* frag_prog;
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} _prprogrambit;
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// LIGHTS
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#define PR_MAXLIGHTS 128
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#define PR_SM3_MAXLIGHTS 4
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#define STR_EXPAND(tok) #tok
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#define STR(tok) STR_EXPAND(tok)
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typedef enum {
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PR_LIGHT_POINT,
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PR_LIGHT_SPOT,
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PR_LIGHT_DIRECTIONAL
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} prlighttype;
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typedef struct s_prlight {
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int32_t x, y, z, horiz, faderange, range;
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int16_t angle, sector;
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char color[3];
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prlighttype type;
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} _prlight;
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// BUILD DATA
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typedef struct s_prplane {
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// geometry
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GLfloat* buffer;
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int32_t vertcount;
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GLuint vbo;
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// attributes
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GLdouble plane[4];
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@ -110,6 +130,9 @@ typedef struct s_prplane {
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// elements
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GLushort* indices;
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GLuint ivbo;
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// lights
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char lights[PR_MAXLIGHTS];
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char lightcount;
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} _prplane;
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typedef struct s_prsector {
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@ -165,25 +188,6 @@ typedef struct s_pranimatespritesinfo {
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int32_t x, y, a, smoothratio;
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} _pranimatespritesinfo;
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// LIGHTS
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#define PR_MAXLIGHTS 128
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#define PR_SM3_MAXLIGHTS 4
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#define STR_EXPAND(tok) #tok
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#define STR(tok) STR_EXPAND(tok)
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typedef enum {
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PR_LIGHT_POINT,
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PR_LIGHT_SPOT,
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PR_LIGHT_DIRECTIONAL
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} prlighttype;
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typedef struct s_prlight {
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int32_t x, y, z, horiz, faderange, range;
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int16_t angle, sector;
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char color[3];
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prlighttype type;
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} _prlight;
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// PROGRAMS
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// CONTROL
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@ -241,11 +245,13 @@ static void polymer_loadmodelvbos(md3model_t* m);
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// MATERIALS
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static void polymer_getscratchmaterial(_prmaterial* material);
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static void polymer_getbuildmaterial(_prmaterial* material, int16_t tilenum, char pal, int8_t shade);
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static int32_t polymer_bindmaterial(_prmaterial material, _prlight* lights, int lightcount);
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static int32_t polymer_bindmaterial(_prmaterial material, char* lights, int lightcount);
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static void polymer_unbindmaterial(int32_t programbits);
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static void polymer_compileprogram(int32_t programbits);
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// LIGHTS
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static void polymer_transformlight(float* inpos, float* pos, float* matrix);
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static int32_t polymer_planeinlight(_prplane* plane, _prlight* light);
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static void polymer_culllight(char lightindex);
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# endif // !POLYMER_C
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@ -194,7 +194,8 @@ _prprogrambit prprogrambits[PR_BIT_COUNT] = {
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"uniform sampler2D diffuseMap;\n"
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"\n",
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// frag_prog
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" result *= texture2D(diffuseMap, gl_TexCoord[0].st);\n"
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" diffuseTexel = texture2D(diffuseMap, gl_TexCoord[0].st);\n"
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" result *= diffuseTexel;\n"
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"\n",
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},
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{
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@ -270,9 +271,9 @@ _prprogrambit prprogrambits[PR_BIT_COUNT] = {
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" lightAttenuation = 1.0 - (pointLightDistance - lightRange.x) /\n"
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" (lightRange.y - lightRange.x);\n"
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" }\n"
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" result += vec4(lightAttenuation * dotNormalLightDir * lightDiffuse, 0.0);\n"
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" result += diffuseTexel * vec4(lightAttenuation * dotNormalLightDir * lightDiffuse, 0.0);\n"
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" float specular = pow( max(dot(reflect(-normalize(lightVector), fragmentNormal), normalize(-vertexPos)), 0.0), 60.0);\n"
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" result += vec4(lightAttenuation * specular * vec3(1.0, 0.5, 0.5), 0.0);\n"
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" result += vec4(lightAttenuation * specular * vec3(1.0, 1.0, 1.0), 0.0);\n"
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" }\n"
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"\n"
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" l++;\n"
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@ -311,6 +312,7 @@ _prprogrambit prprogrambits[PR_BIT_COUNT] = {
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"void main(void)\n"
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"{\n"
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" vec4 result = vec4(1.0, 1.0, 1.0, 1.0);\n"
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" vec4 diffuseTexel = vec4(1.0, 1.0, 1.0, 1.0);\n"
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" int l = 0;\n"
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"\n",
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// frag_prog
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@ -788,13 +790,46 @@ void polymer_setanimatesprites(animatespritesptr animatesprites,
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void polymer_resetlights(void)
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{
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int32_t i;
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_prsector *s;
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_prwall *w;
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i = 0;
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while (i < numsectors)
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{
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s = prsectors[i];
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s->floor.lightcount = 0;
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s->ceil.lightcount = 0;
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i++;
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}
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i = 0;
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while (i < numwalls)
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{
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w = prwalls[i];
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w->wall.lightcount = 0;
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w->over.lightcount = 0;
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w->mask.lightcount = 0;
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i++;
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}
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lightcount = 0;
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}
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void polymer_addlight(_prlight light)
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{
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if (lightcount < PR_MAXLIGHTS)
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prlights[lightcount++] = light;
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{
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prlights[lightcount] = light;
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polymer_culllight(lightcount);
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lightcount++;
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}
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}
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// CORE
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@ -1155,7 +1190,7 @@ static void polymer_drawplane(int16_t sectnum, int16_t wallnum, _prplane
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bglNormal3f((float)(-plane->plane[0]), (float)(-plane->plane[1]), (float)(-plane->plane[2]));
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materialbits = polymer_bindmaterial(plane->material, prlights, lightcount);
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materialbits = polymer_bindmaterial(plane->material, plane->lights, plane->lightcount);
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if (plane->vbo && (pr_vbos > 0))
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{
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@ -1232,7 +1267,9 @@ static int32_t polymer_initsector(int16_t sectnum)
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s->verts = calloc(sec->wallnum, sizeof(GLdouble) * 3);
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s->floor.buffer = calloc(sec->wallnum, sizeof(GLfloat) * 5);
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s->floor.vertcount = sec->wallnum;
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s->ceil.buffer = calloc(sec->wallnum, sizeof(GLfloat) * 5);
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s->ceil.vertcount = sec->wallnum;
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if ((s->verts == NULL) || (s->floor.buffer == NULL) || (s->ceil.buffer == NULL))
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{
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if (pr_verbosity >= 1) OSD_Printf("PR : Cannot initialize geometry of sector %i : malloc failed.\n", sectnum);
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@ -1260,8 +1297,7 @@ static int32_t polymer_initsector(int16_t sectnum)
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return (1);
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}
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static int32_t polymer_updatesector(int16_t sectnum)
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{
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static int32_t polymer_updatesector(int16_t sectnum){
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_prsector* s;
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sectortype *sec;
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walltype *wal;
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@ -1618,8 +1654,10 @@ static int32_t polymer_initwall(int16_t wallnum)
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return (0);
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}
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if (w->mask.buffer == NULL)
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if (w->mask.buffer == NULL) {
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w->mask.buffer = calloc(4, sizeof(GLfloat) * 5);
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w->mask.vertcount = 4;
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}
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if (w->bigportal == NULL)
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w->bigportal = calloc(4, sizeof(GLfloat) * 3);
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if (w->cap == NULL)
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@ -1687,8 +1725,10 @@ static void polymer_updatewall(int16_t wallnum)
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nsec = NULL;
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}
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if (w->wall.buffer == NULL)
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if (w->wall.buffer == NULL) {
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w->wall.buffer = calloc(4, sizeof(GLfloat) * 5);
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w->wall.vertcount = 4;
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}
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wallpicnum = wal->picnum;
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if (picanm[wallpicnum]&192) wallpicnum += animateoffs(wallpicnum,wallnum+16384);
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@ -1892,8 +1932,10 @@ static void polymer_updatewall(int16_t wallnum)
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if ((overwall) || (wal->cstat & 16))
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{
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if (w->over.buffer == NULL)
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if (w->over.buffer == NULL) {
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w->over.buffer = calloc(4, sizeof(GLfloat) * 5);
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w->over.vertcount = 4;
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}
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memcpy(w->over.buffer, &ns->ceil.buffer[(nnwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3);
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memcpy(&w->over.buffer[5], &ns->ceil.buffer[(nwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3);
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@ -2505,7 +2547,7 @@ static void polymer_drawmdsprite(spritetype *tspr)
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mdspritematerial.nextframedatastride = sizeof(md3xyzn_t);
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}
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materialbits = polymer_bindmaterial(mdspritematerial, prlights, lightcount);
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materialbits = polymer_bindmaterial(mdspritematerial, NULL, 0);
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bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, m->indices[surfi]);
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bglDrawElements(GL_TRIANGLES, s->numtris * 3, GL_UNSIGNED_INT, 0);
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@ -2526,7 +2568,7 @@ static void polymer_drawmdsprite(spritetype *tspr)
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mdspritematerial.nextframedatastride = sizeof(md3xyzn_t);
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}
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materialbits = polymer_bindmaterial(mdspritematerial, prlights, lightcount);
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materialbits = polymer_bindmaterial(mdspritematerial, NULL, 0);
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bglDrawElements(GL_TRIANGLES, s->numtris * 3, GL_UNSIGNED_INT, s->tris);
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@ -2671,7 +2713,7 @@ static void polymer_getbuildmaterial(_prmaterial* material, int16_t tile
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}
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}
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static int32_t polymer_bindmaterial(_prmaterial material, _prlight* lights, int lightcount)
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static int32_t polymer_bindmaterial(_prmaterial material, char* lights, int lightcount)
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{
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int32_t programbits;
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int32_t texunit;
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@ -2779,18 +2821,18 @@ static int32_t polymer_bindmaterial(_prmaterial material, _prlight* lights,
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while (i < ((glinfo.sm4) ? lightcount : PR_SM3_MAXLIGHTS))
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{
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inpos[0] = lights[i].y;
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inpos[1] = -lights[i].z / 16.0f;
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inpos[2] = -lights[i].x;
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inpos[0] = prlights[lights[i]].y;
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inpos[1] = -prlights[lights[i]].z / 16.0f;
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inpos[2] = -prlights[lights[i]].x;
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polymer_transformlight(inpos, pos, rootmodelviewmatrix);
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range[0] = lights[i].faderange / 1000.0f;
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range[1] = lights[i].range / 1000.0f;
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range[0] = prlights[lights[i]].faderange / 1000.0f;
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range[1] = prlights[lights[i]].range / 1000.0f;
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color[0] = lights[i].color[0] / 255.0f;
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color[1] = lights[i].color[1] / 255.0f;
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color[2] = lights[i].color[2] / 255.0f;
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color[0] = prlights[lights[i]].color[0] / 255.0f;
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color[1] = prlights[lights[i]].color[1] / 255.0f;
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color[2] = prlights[lights[i]].color[2] / 255.0f;
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bglLightfv(GL_LIGHT0 + i, GL_AMBIENT, pos);
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bglLightfv(GL_LIGHT0 + i, GL_DIFFUSE, color);
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@ -2965,4 +3007,100 @@ static void polymer_transformlight(float* inpos, float* pos, float* matr
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+ matrix[14];
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}
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static int32_t polymer_planeinlight(_prplane* plane, _prlight* light)
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{
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float lightpos[3];
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int i, j, k, l;
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lightpos[0] = light->y;
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lightpos[1] = -light->z / 16.0f;
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lightpos[2] = -light->x;
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i = 0;
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while (i < 3)
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{
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j = k = l = 0;
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while (j < plane->vertcount)
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{
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if (plane->buffer[(j * 5) + i] > (lightpos[i] + light->range)) k++;
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if (plane->buffer[(j * 5) + i] < (lightpos[i] - light->range)) l++;
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j++;
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}
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if ((k == plane->vertcount) || (l == plane->vertcount))
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return 0;
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i++;
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}
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return 1;
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}
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static void polymer_culllight(char lightindex)
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{
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_prlight* light;
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int32_t front;
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int32_t back;
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int32_t i;
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int16_t cullingstate[MAXSECTORS];
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int16_t sectorqueue[MAXSECTORS];
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_prsector *s;
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_prwall *w;
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sectortype *sec;
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light = &prlights[lightindex];
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front = 0;
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back = 1;
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memset(cullingstate, 0, sizeof(int16_t) * MAXSECTORS);
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cullingstate[light->sector] = 1;
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sectorqueue[0] = light->sector;
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while (front != back)
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{
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s = prsectors[sectorqueue[front]];
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sec = §or[sectorqueue[front]];
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if (polymer_planeinlight(&s->floor, light)) {
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s->floor.lights[s->floor.lightcount] = lightindex;
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s->floor.lightcount++;
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}
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if (polymer_planeinlight(&s->ceil, light)) {
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s->ceil.lights[s->floor.lightcount] = lightindex;
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s->ceil.lightcount++;
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}
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i = 0;
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while (i < sec->wallnum)
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{
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w = prwalls[sec->wallptr + i];
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if (polymer_planeinlight(&w->wall, light)) {
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w->wall.lights[w->wall.lightcount] = lightindex;
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w->wall.lightcount++;
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}
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if (polymer_planeinlight(&w->over, light)) {
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w->over.lights[w->over.lightcount] = lightindex;
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w->over.lightcount++;
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}
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if (polymer_planeinlight(&w->mask, light)) {
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w->mask.lights[w->mask.lightcount] = lightindex;
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w->mask.lightcount++;
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if ((wall[sec->wallptr + i].nextsector != -1) &&
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(!cullingstate[wall[sec->wallptr + i].nextsector])) {
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cullingstate[wall[sec->wallptr + i].nextsector] = 1;
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sectorqueue[back] = wall[sec->wallptr + i].nextsector;
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back++;
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}
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}
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i++;
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}
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front++;
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}
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}
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#endif
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