/*
* Copyright 1995, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
*
* This source code ("Source Code") was originally derived from a
* code base owned by Silicon Graphics, Inc. ("SGI")
*
* LICENSE: SGI grants the user ("Licensee") permission to reproduce,
* distribute, and create derivative works from this Source Code,
* provided that: (1) the user reproduces this entire notice within
* both source and binary format redistributions and any accompanying
* materials such as documentation in printed or electronic format;
* (2) the Source Code is not to be used, or ported or modified for
* use, except in conjunction with OpenGL Performer; and (3) the
* names of Silicon Graphics, Inc. and SGI may not be used in any
* advertising or publicity relating to the Source Code without the
* prior written permission of SGI. No further license or permission
* may be inferred or deemed or construed to exist with regard to the
* Source Code or the code base of which it forms a part. All rights
* not expressly granted are reserved.
*
* This Source Code is provided to Licensee AS IS, without any
* warranty of any kind, either express, implied, or statutory,
* including, but not limited to, any warranty that the Source Code
* will conform to specifications, any implied warranties of
* merchantability, fitness for a particular purpose, and freedom
* from infringement, and any warranty that the documentation will
* conform to the program, or any warranty that the Source Code will
* be error free.
*
* IN NO EVENT WILL SGI BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT
* LIMITED TO DIRECT, INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES,
* ARISING OUT OF, RESULTING FROM, OR IN ANY WAY CONNECTED WITH THE
* SOURCE CODE, WHETHER OR NOT BASED UPON WARRANTY, CONTRACT, TORT OR
* OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
* PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM,
* OR AROSE OUT OF USE OR RESULTS FROM USE OF, OR LACK OF ABILITY TO
* USE, THE SOURCE CODE.
*
* Contact information: Silicon Graphics, Inc.,
* 1600 Amphitheatre Pkwy, Mountain View, CA 94043,
* or: http://www.sgi.com
*
* vertarray.c: simple Performer program to demonstrate use of vertex arrays
*
* $Revision: 1.1 $
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <Performer/pr.h>
#define MAX_SHORT 32767
#define MAX_SHORT_INV (1.0f/MAX_SHORT)
pfVec3 coords[] ={ {-1.0f, -1.0f, 1.0f },
{ 1.0f, -1.0f, 1.0f },
{ 1.0f, 1.0f, 1.0f },
{-1.0f, 1.0f, 1.0f } };
pfVec4 colors[] = {{1.0f, 1.0f, 1.0f, 1.0f}};
pfVec3 norms[] = {{0.0f, 0.0f, -1.0f}};
uint pcolors[] = {0xffffffff,
0x0000ffff,
0xff0000ff,
0x00ff00ff};
short pnorms[][4] = {
{0, 0, -MAX_SHORT, 0},
{0, 0, -MAX_SHORT, 0},
{0, 0, -MAX_SHORT, 0},
{0, 0, -MAX_SHORT, 0}
};
pfVec2 texcoords[] = {
{0, 0},
{1, 0},
{1, 1},
{0, 1}
};
float ptexcoords[][2] = {
{0, 0},
{1.0f, 0},
{1.0f, 1.0f},
{0, 1.0f}
};
short sptexcoords[][2] = {
{0, 0},
{MAX_SHORT, 0},
{MAX_SHORT, MAX_SHORT},
{0, MAX_SHORT}
};
pfMatrix stmat = {
{MAX_SHORT_INV, 0.0f, 0.0f, 0.0f},
{0.0f, MAX_SHORT_INV, 0.0f, 0.0f},
{0.0f, 0.0f, MAX_SHORT_INV, 0.0f},
{0.0f, 0.0f, 0.0f, 1.0f},
};
pfVec3 stripcoords[4][4] ={
{{-1.0f, -1.0f, 1.0f },
{-1.0f, 1.0f, 1.0f },
{-0.5f, -1.0f, 1.0f },
{-0.5f, 1.0f, 1.0f }},
{{-0.5f, -1.0f, 1.0f },
{-0.5f, 1.0f, 1.0f },
{0.0f, -1.0f, 1.0f },
{0.0f, 1.0f, 1.0f }},
{{0.0f, -1.0f, 1.0f },
{0.0f, 1.0f, 1.0f },
{0.5f, -1.0f, 1.0f },
{0.5f, 1.0f, 1.0f },
},
{{0.5f, -1.0f, 1.0f },
{0.5f, 1.0f, 1.0f },
{ 1.0f, -1.0f, 1.0f },
{ 1.0f, 1.0f, 1.0f }},
};
int lengths[5] = {4, 4, 4, 4};
#define NUM_GSETS 11
int main (void)
{
pfGeoSet *gset[NUM_GSETS];
pfGeoState *gstate[NUM_GSETS];
pfFrustum *frust;
pfWindow *win;
pfTexture *tex;
pfLight *lt;
uint i, j, t;
float time;
void *cntv, *cntvp, *cnt, *cntp, *strip, *stripp, *sstrip, *sstripp;
pfInit();
/* Initialize Performer */
pfInitState(NULL);
pfFilePath(".:/usr/share/Performer/data:/usr/demos/data/textures");
/* Initialize GL */
win = pfNewWin(NULL);
pfWinOriginSize(win, 0, 0, 300, 300);
pfWinName(win, "Performer packed attribute test");
pfWinType(win, PFWIN_TYPE_X);
pfOpenWin(win);
pfInitGfx();
frust = pfNewFrust(NULL);
pfApplyFrust(frust);
pfDelete(frust);
pfAntialias(PFAA_ON);
pfCullFace(PFCF_OFF);
pfApplyTEnv(pfNewTEnv(NULL));
pfApplyMtl(pfNewMtl(NULL));
pfApplyLModel(pfNewLModel(NULL));
lt = pfNewLight(NULL);
pfLightPos(lt, 0, 0, -1, 0);
pfLightOn(lt);
tex = pfNewTex(NULL);
pfLoadTexFile(tex, "brick.rgba");
cntp = cnt = (void *)pfCalloc(4, 8 * sizeof(float), NULL);
cntvp = cntv = (void *)pfCalloc(4, 12 * sizeof(float), NULL);
stripp = strip = (void *)pfCalloc(4, 4*12 * sizeof(float), NULL);
sstripp = sstrip = (void *)pfCalloc(4, 4*12 * sizeof(float), NULL);
/* set up data for quads */
for (i=0; i < 4; i++)
{
*((uint*)cntp) = (uint) pcolors[i];
cntp = (void*) (((char*)cntp) + sizeof(int));
*((short*)cntp) = pnorms[i][0];
cntp = (void*) (((char*)cntp) + sizeof(short));
*((short*)cntp) = pnorms[i][1];
cntp = (void*) (((char*)cntp) + sizeof(short));
*((short*)cntp) = pnorms[i][2];
cntp = (void*) (((char*)cntp) + sizeof(short));
cntp = (void*) (((char*)cntp) + sizeof(short));
*((float*)cntp) = ptexcoords[i][0];
cntp = (void*) (((char*)cntp) + sizeof(float));
*((float*)cntp) = ptexcoords[i][1];
cntp = (void*) (((char*)cntp) + sizeof(float));
}
for (i=0; i < 4; i++)
{
*((long*)cntvp) = pcolors[i];
cntvp = (void*) (((char*)cntvp) + sizeof(int));
*((short*)cntvp) = pnorms[i][0];
cntvp = (void*) (((char*)cntvp) + sizeof(short));
*((short*)cntvp) = pnorms[i][1];
cntvp = (void*) (((char*)cntvp) + sizeof(short));
*((short*)cntvp) = pnorms[i][2];
cntvp = (void*) (((char*)cntvp) + sizeof(short));
cntvp = (void*) (((char*)cntvp) + sizeof(short)); /* pad to word-align next attr */
*((float*)cntvp) = ptexcoords[i][0];
cntvp = (void*) (((char*)cntvp) + sizeof(float));
*((float*)cntvp) = ptexcoords[i][1];
cntvp = (void*) (((char*)cntvp) + sizeof(float));
*((float*)cntvp) = coords[i][0];
cntvp = (void*) (((char*)cntvp) + sizeof(float));
*((float*)cntvp) = coords[i][1];
cntvp = (void*) (((char*)cntvp) + sizeof(float));
*((float*)cntvp) = coords[i][2];
cntvp = (void*) (((char*)cntvp) + sizeof(float));
}
/* set up data for tstrip */
for (j=0; j < 4; j++)
{
for (i=0; i < 4; i++)
{
switch(i)
{
case 0: t = 0; break;
case 1: t = 3; break;
case 2: t = 1; break;
case 3: t = 2; break;
}
*((long*)stripp) = pcolors[i];
stripp = (void*) (((char*)stripp) + sizeof(int));
*((short*)stripp) = pnorms[i][0];
stripp = (void*) (((char*)stripp) + sizeof(short));
*((short*)stripp) = pnorms[i][1];
stripp = (void*) (((char*)stripp) + sizeof(short));
*((short*)stripp) = pnorms[i][2];
stripp = (void*) (((char*)stripp) + sizeof(short));
stripp = (void*) (((char*)stripp) + sizeof(short)); /* pad to word-align next attr */
*((float*)stripp) = ptexcoords[t][0];
stripp = (void*) (((char*)stripp) + sizeof(float));
*((float*)stripp) = ptexcoords[t][1];
stripp = (void*) (((char*)stripp) + sizeof(float));
*((float*)stripp) = stripcoords[j][i][0];
stripp = (void*) (((char*)stripp) + sizeof(float));
*((float*)stripp) = stripcoords[j][i][1];
stripp = (void*) (((char*)stripp) + sizeof(float));
*((float*)stripp) = stripcoords[j][i][2];
stripp = (void*) (((char*)stripp) + sizeof(float));
}
}
/* set up data for short texcoord tstrip */
for (j=0; j < 4; j++)
{
for (i=0; i < 4; i++)
{
switch(i)
{
case 0: t = 0; break;
case 1: t = 3; break;
case 2: t = 1; break;
case 3: t = 2; break;
}
*((long*)sstripp) = pcolors[i];
sstripp = (void*) (((char*)sstripp) + sizeof(int));
*((short*)sstripp) = pnorms[i][0];
sstripp = (void*) (((char*)sstripp) + sizeof(short));
*((short*)sstripp) = pnorms[i][1];
sstripp = (void*) (((char*)sstripp) + sizeof(short));
*((short*)sstripp) = pnorms[i][2];
sstripp = (void*) (((char*)sstripp) + sizeof(short)); /* pad to word-align next attr */
sstripp = (void*) (((char*)sstripp) + sizeof(short));
*((short*)sstripp) = sptexcoords[t][0]; /* short tcoord */
sstripp = (void*) (((char*)sstripp) + sizeof(short));
*((short*)sstripp) = sptexcoords[t][1]; /* short tcoord */
sstripp = (void*) (((char*)sstripp) + sizeof(short));
*((float*)sstripp) = stripcoords[j][i][0];
sstripp = (void*) (((char*)sstripp) + sizeof(float));
*((float*)sstripp) = stripcoords[j][i][1];
sstripp = (void*) (((char*)sstripp) + sizeof(float));
*((float*)sstripp) = stripcoords[j][i][2];
sstripp = (void*) (((char*)sstripp) + sizeof(float));
}
}
/* Set up geosets */
for (i=0; i < NUM_GSETS; i++)
{
gset[i] = pfNewGSet(NULL);
pfGSetAttr(gset[i], PFGS_COORD3, PFGS_PER_VERTEX, coords, NULL);
pfGSetPrimType(gset[i], PFGS_QUADS);
pfGSetNumPrims(gset[i], 1);
/* Set up a geostate, backface removal turned off */
gstate[i] = pfNewGState (NULL);
pfGStateMode(gstate[i], PFSTATE_CULLFACE, PFCF_OFF);
pfGSetGState (gset[i], gstate[i]);
pfGSetDrawMode (gset[i], PFGS_PACKED_ATTRS, 1);
switch(i)
{
case 0:
case 1:
case 2:
pfGSetAttr(gset[i], PFGS_PACKED_ATTRS, PFGS_PA_C4UBN3ST2F, cnt, NULL);
pfGSetAttr(gset[i], PFGS_COLOR4, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_TEXCOORD2, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_NORMAL3, PFGS_PER_VERTEX, NULL, NULL);
pfGStateAttr(gstate[i], PFSTATE_TEXTURE, tex);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, PF_ON);
pfGStateMode(gstate[i], PFSTATE_ENLIGHTING, PF_ON);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, 1);
break;
case 3:
pfGSetAttr(gset[i], PFGS_COLOR4, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_PACKED_ATTRS, PFGS_PA_C4UBN3ST2F, pcolors, NULL);
pfGStateMode(gstate[i], PFSTATE_ENLIGHTING, 0);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, 0);
break;
case 4:
pfGSetAttr(gset[i], PFGS_COLOR4, PFGS_OVERALL, colors, NULL);
pfGSetAttr(gset[i], PFGS_NORMAL3, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_PACKED_ATTRS, PFGS_PA_C4UBN3ST2F, pnorms, NULL);
pfGStateMode(gstate[i], PFSTATE_ENLIGHTING, 1);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, 0);
break;
case 5:
pfGSetAttr(gset[i], PFGS_COLOR4, PFGS_OVERALL, colors, NULL);
pfGSetAttr(gset[i], PFGS_TEXCOORD2, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_PACKED_ATTRS, PFGS_PA_C4UBN3ST2F, ptexcoords, NULL);
pfGStateAttr(gstate[i], PFSTATE_TEXTURE, tex);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, PF_ON);
pfGStateMode(gstate[i], PFSTATE_ENLIGHTING, PF_OFF);
break;
case 6:
case 7:
case 8:
pfGSetAttr(gset[i], PFGS_PACKED_ATTRS, PFGS_PA_C4UBN3ST2FV3F, cntv, NULL);
pfGSetAttr(gset[i], PFGS_COLOR4, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_TEXCOORD2, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_NORMAL3, PFGS_PER_VERTEX, NULL, NULL);
pfGStateAttr(gstate[i], PFSTATE_TEXTURE, tex);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, PF_ON);
pfGStateMode(gstate[i], PFSTATE_ENLIGHTING, 0);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, 1);
break;
case 9: /* this one is a tristrip */
pfGSetAttr(gset[i], PFGS_PACKED_ATTRS, PFGS_PA_C4UBN3ST2FV3F, strip, NULL);
pfGSetAttr(gset[i], PFGS_COLOR4, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_TEXCOORD2, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_NORMAL3, PFGS_PER_VERTEX, NULL, NULL);
pfGStateAttr(gstate[i], PFSTATE_TEXTURE, tex);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, PF_ON);
pfGStateMode(gstate[i], PFSTATE_ENLIGHTING, 0);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, 1);
pfGSetPrimType(gset[i], PFGS_TRISTRIPS);
pfGSetPrimLengths(gset[i], lengths);
pfGSetNumPrims(gset[i], 4);
break;
case 10: /* this one is a tristrip with short tcoords */
pfGSetAttr(gset[i], PFGS_PACKED_ATTRS, PFGS_PA_C4UBN3ST2SV3F, sstrip, NULL);
pfGSetAttr(gset[i], PFGS_COLOR4, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_TEXCOORD2, PFGS_PER_VERTEX, NULL, NULL);
pfGSetAttr(gset[i], PFGS_NORMAL3, PFGS_PER_VERTEX, NULL, NULL);
pfGStateAttr(gstate[i], PFSTATE_TEXTURE, tex);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, PF_ON);
pfGStateMode(gstate[i], PFSTATE_ENLIGHTING, 0);
pfGStateMode(gstate[i], PFSTATE_ENTEXTURE, 1);
/* we must scale the short tcoords into a proper float range */
pfGStateMode(gstate[i], PFSTATE_ENTEXMAT, 1);
pfGStateAttr(gstate[i], PFSTATE_TEXMAT, stmat);
pfGSetPrimType(gset[i], PFGS_TRISTRIPS);
pfGSetPrimLengths(gset[i], lengths);
pfGSetNumPrims(gset[i], 4);
break;
}
}
pfTranslate (0.0f, 0.0f, -30.0f);
pfInitClock (0.0f);
while (time < 5.f)
{
static pfVec4 clr = {0.1f, 0.0f, 0.4f, 1.0f};
time = pfGetTime();
pfClear(PFCL_COLOR | PFCL_DEPTH, clr);
pfRotate (PF_Y, 1.0f);
pfPushMatrix();
pfTranslate (-2.5f, 0.0f, 0.0f);
#if 1
/* draw the 3x3 block of quads */
for (i=0; i < 3; i++)
{
pfPushMatrix();
pfTranslate (0.0f, -2.5f, 0.0f);
for (j=0; j < 3; j++)
{
pfDrawGSet(gset[i*3 + j]);
pfTranslate (0.0f, 2.5f, 0.0f);
}
pfPopMatrix();
pfTranslate (2.5f, 0.0f, 0.0f);
}
#endif
pfTranslate(-5.0f, -5.0f, 0.0f);
/* draw tristrip across the bottom */
pfPushMatrix();
pfScale(3.0f, 1.0f, 1.0f);
pfDrawGSet(gset[9]);
pfPopMatrix();
/* draw a short-texcoord tristrip across the bottom */
pfTranslate(0.0f, -3.0f, 0.0f);
pfPushMatrix();
pfScale(3.0f, 1.0f, 1.0f);
pfDrawGSet(gset[10]);
pfPopMatrix();
pfPopMatrix();
pfSwapWinBuffers(win);
}
return 0;
}
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