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Implement RB_Stream draw surfaces

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smallmodel 2024-12-20 21:21:10 +01:00
parent e6848a3ab0
commit 77646bda78
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GPG key ID: 9F2D623CEDF08512
2 changed files with 21 additions and 6 deletions
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1
code/renderergl2/tr_local.h
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@ -1902,6 +1902,7 @@ typedef struct {
// OPENMOHAA-specific stuff
//
cStaticModelUnpacked_t* currentStaticModel;
int dsStreamVert;
} backEndState_t;
/*

26
code/renderergl2/tr_util.cpp
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@ -103,7 +103,7 @@ RB_StreamBeginDrawSurf
*/
void RB_StreamBeginDrawSurf(void)
{
// FIXME: unimplemented (GL2)
backEnd.dsStreamVert = tess.numVertexes;
}
/*
@ -113,7 +113,21 @@ RB_StreamEndDrawSurf
*/
void RB_StreamEndDrawSurf(void)
{
// FIXME: unimplemented (GL2)
int numverts;
int i;
if (tess.numVertexes - backEnd.dsStreamVert <= 2) {
tess.numVertexes = backEnd.dsStreamVert;
return;
}
numverts = tess.numVertexes - backEnd.dsStreamVert - 2;
for (i = 0; i < numverts; i++) {
tess.indexes[i + tess.numIndexes] = (i & 1) + i + backEnd.dsStreamVert;
tess.indexes[i + tess.numIndexes + 1] = i + backEnd.dsStreamVert - ((i & 1) - 1);
tess.indexes[i + tess.numIndexes + 2] = i + backEnd.dsStreamVert + 2;
tess.numIndexes += 3;
}
}
/*
@ -125,10 +139,10 @@ static void addTriangle(void)
{
tess.texCoords[tess.numVertexes][0] = cntSt[0];
tess.texCoords[tess.numVertexes][1] = cntSt[1];
tess.color[tess.numVertexes][0] = cntColor[0];
tess.color[tess.numVertexes][1] = cntColor[1];
tess.color[tess.numVertexes][2] = cntColor[2];
tess.color[tess.numVertexes][3] = cntColor[3];
tess.color[tess.numVertexes][0] = cntColor[0] * 65535 / 255;
tess.color[tess.numVertexes][1] = cntColor[1] * 65535 / 255;
tess.color[tess.numVertexes][2] = cntColor[2] * 65535 / 255;
tess.color[tess.numVertexes][3] = cntColor[3] * 65535 / 255;
tess.numVertexes++;
}