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Polymer GPU program management stuff.
git-svn-id: https://svn.eduke32.com/eduke32@1152 1a8010ca-5511-0410-912e-c29ae57300e0
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plagman
parent
c95e53c2d0
commit
08923413f2
2 changed files with 142 additions and 2 deletions
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@ -108,8 +108,34 @@ typedef struct s_pranimatespritesinfo {
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int x, y, a, smoothratio;
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} _pranimatespritesinfo;
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extern _prsector* prsectors[MAXSECTORS];
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extern _prwall* prwalls[MAXWALLS];
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#define PR_MAXLIGHTS 128
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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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int x, y, z, horiz, range, faderange;
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short angle, sector;
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prlighttype type;
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} _prlight;
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#define PR_INFO_LOG_BUFFER_SIZE 512
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typedef enum {
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PR_BIT_DEFAULT, // must be just before last
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PR_BIT_COUNT // must be last
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} prbittype;
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typedef struct s_prprogrambit {
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int bit;
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char* vert_def;
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char* vert_prog;
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char* frag_def;
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char* frag_prog;
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} _prprogrambit;
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// CONTROL
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extern int updatesectors;
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@ -123,6 +149,8 @@ void polymer_drawmasks(void);
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void polymer_rotatesprite(int sx, int sy, int z, short a, short picnum, signed char dashade, char dapalnum, char dastat, int cx1, int cy1, int cx2, int cy2);
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void polymer_drawmaskwall(int damaskwallcnt);
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void polymer_drawsprite(int snum);
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void polymer_resetlights(void);
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void polymer_addlight(_prlight light);
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# ifdef POLYMER_C
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@ -160,6 +188,8 @@ static void polymer_drawskybox(short tilenum);
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// MDSPRITES
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static void polymer_drawmdsprite(spritetype *tspr);
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static void polymer_loadmodelvbos(md3model* m);
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// GPU PROGRAMS
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static void polymer_compileprogram(int programbits);
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# endif // !POLYMER_C
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@ -118,6 +118,32 @@ GLuint skyboxdatavbo;
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GLfloat artskydata[16];
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_prlight prlights[PR_MAXLIGHTS];
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int lightcount;
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_prprogrambit prprogrambits[PR_BIT_COUNT] = {
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{
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.bit = 1 << PR_BIT_DEFAULT,
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.vert_def =
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"\n"
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"void main(void)\n"
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"{\n",
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.vert_prog =
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" gl_Position = ftransform();\n"
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"}\n",
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.frag_def =
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"\n"
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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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.frag_prog =
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" gl_FragColor = result;\n"
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"}\n",
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}
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};
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GLhandleARB prprograms[1 << PR_BIT_COUNT];
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// CONTROL
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GLdouble spritemodelview[16];
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GLdouble rootmodelviewmatrix[16];
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@ -619,6 +645,17 @@ void polymer_setanimatesprites(animatespritesptr animatesprites,
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asi.smoothratio = smoothratio;
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}
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void polymer_resetlights(void)
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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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// CORE
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static void polymer_displayrooms(short dacursectnum)
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{
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@ -2511,4 +2548,77 @@ static void polymer_loadmodelvbos(md3model* m)
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}
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}
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// GPU PROGRAMS
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static void polymer_compileprogram(int programbits)
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{
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int i, enabledbits;
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GLhandleARB vert, frag, program;
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GLcharARB* source[PR_BIT_COUNT * 2];
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GLcharARB infobuffer[PR_INFO_LOG_BUFFER_SIZE];
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// ========= VERTEX
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vert = bglCreateShaderObjectARB(GL_VERTEX_SHADER_ARB);
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enabledbits = 0;
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while (i < PR_BIT_COUNT)
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{
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if (programbits & prprogrambits[i].bit)
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{
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source[i] = prprogrambits[i].vert_def;
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enabledbits++;
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}
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i++;
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}
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i = 0;
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while (i < PR_BIT_COUNT)
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{
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if (programbits & prprogrambits[i].bit)
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source[enabledbits + i] = prprogrambits[i].vert_prog;
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i++;
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}
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bglShaderSourceARB(vert, enabledbits * 2, (const GLcharARB**)source, NULL);
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bglCompileShaderARB(vert);
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// ========= FRAGMENT
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frag = bglCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB);
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enabledbits = i = 0;
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while (i < PR_BIT_COUNT)
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{
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if (programbits & prprogrambits[i].bit)
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{
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source[i] = prprogrambits[i].frag_def;
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enabledbits++;
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}
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i++;
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}
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i = 0;
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while (i < PR_BIT_COUNT)
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{
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if (programbits & prprogrambits[i].bit)
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source[enabledbits + i] = prprogrambits[i].frag_prog;
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i++;
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}
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bglShaderSourceARB(frag, enabledbits * 2, (const GLcharARB**)source, NULL);
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bglCompileShaderARB(frag);
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// ========= PROGRAM
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program = bglCreateProgramObjectARB();
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bglAttachObjectARB(program, vert);
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bglAttachObjectARB(program, frag);
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bglLinkProgramARB(program);
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bglGetInfoLogARB(program, PR_INFO_LOG_BUFFER_SIZE, NULL, infobuffer);
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prprograms[programbits] = program;
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OSD_Printf("Shader log info:\n%s\n", infobuffer);
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}
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#endif
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