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polymost_drawpoly(): drawarrays optimization

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git-svn-id: https://svn.eduke32.com/eduke32@6652 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
pogokeen 2018-02-16 06:37:58 +00:00
parent ff0768eaa9
commit 464e65541c
3 changed files with 65 additions and 40 deletions
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2
source/build/include/polymost.h
View file

@ -40,6 +40,8 @@ void polymost_fillpolygon(int32_t npoints);
void polymost_initosdfuncs(void);
void polymost_drawrooms(void);
void polymost_resetVertexPointers();
void polymost_glinit(void);
void polymost_glreset(void);

2
source/build/src/mdsprite.cpp
View file

@ -2584,6 +2584,8 @@ static int32_t polymost_md3draw(md3model_t *m, const uspritetype *tspr)
bglLoadIdentity();
bglMatrixMode(GL_MODELVIEW);
bglLoadIdentity();
polymost_resetVertexPointers();
globalnoeffect=0;
return 1;

101
source/build/src/polymost.cpp
View file

@ -64,6 +64,8 @@ float fxdim, fydim, fydimen, fviewingrange;
static int32_t preview_mouseaim=1; // when 1, displays a CROSSHAIR tsprite at the _real_ aimed position
static int32_t drawpoly_srepeat = 0, drawpoly_trepeat = 0;
#define MAX_DRAWPOLY_VERTS 8
static float drawpolyVerts[MAX_DRAWPOLY_VERTS*5];
struct glfiltermodes glfiltermodes[NUMGLFILTERMODES] =
{
@ -344,6 +346,27 @@ void polymost_glreset()
static void Polymost_DetermineTextureFormatSupport(void);
#endif
// reset vertex pointers to polymost default
void polymost_resetVertexPointers()
{
bglVertexPointer(3, GL_FLOAT, 5*sizeof(float), drawpolyVerts);
bglTexCoordPointer(2, GL_FLOAT, 5*sizeof(float), (GLvoid*) (drawpolyVerts+3));
#ifdef USE_GLEXT
if (r_detailmapping)
{
bglClientActiveTextureARB(GL_TEXTURE1);
bglTexCoordPointer(2, GL_FLOAT, 5*sizeof(float), (GLvoid*) (drawpolyVerts+3));
}
if (r_glowmapping)
{
bglClientActiveTextureARB(GL_TEXTURE2);
bglTexCoordPointer(2, GL_FLOAT, 5*sizeof(float), (GLvoid*) (drawpolyVerts+3));
}
bglClientActiveTextureARB(GL_TEXTURE0_ARB);
#endif
}
// one-time initialization of OpenGL for polymost
void polymost_glinit()
{
@ -389,6 +412,8 @@ void polymost_glinit()
bglEnableClientState(GL_VERTEX_ARRAY);
bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
polymost_resetVertexPointers();
texcache_init();
texcache_loadoffsets();
@ -1637,6 +1662,9 @@ void polymost_setupdetailtexture(const int32_t texunits, const int32_t tex)
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
bglClientActiveTextureARB(texunits);
bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
}
void polymost_setupglowtexture(const int32_t texunits, const int32_t tex)
@ -1664,6 +1692,9 @@ void polymost_setupglowtexture(const int32_t texunits, const int32_t tex)
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
bglClientActiveTextureARB(texunits);
bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
}
#endif
@ -1732,7 +1763,7 @@ static void polymost_drawpoly(vec2f_t const * const dpxy, int32_t const n, int32
}
}
Bassert(n <= 8);
Bassert(n <= MAX_DRAWPOLY_VERTS);
int j = 0;
float px[8], py[8], dd[8], uu[8], vv[8];
@ -1823,9 +1854,9 @@ static void polymost_drawpoly(vec2f_t const * const dpxy, int32_t const n, int32
if (usehightile && !drawingskybox && hicfindsubst(globalpicnum, DETAILPAL, 1) &&
(detailpth = texcache_fetch(globalpicnum, DETAILPAL, 0, method & ~DAMETH_MASKPROPS)) &&
detailpth->hicr && detailpth->hicr->palnum == DETAILPAL)
detailpth && detailpth->hicr && detailpth->hicr->palnum == DETAILPAL)
{
polymost_setupdetailtexture(++texunits, detailpth ? detailpth->glpic : 0);
polymost_setupdetailtexture(++texunits, detailpth->glpic);
bglMatrixMode(GL_TEXTURE);
bglLoadIdentity();
@ -1833,7 +1864,7 @@ static void polymost_drawpoly(vec2f_t const * const dpxy, int32_t const n, int32
if (pth && pth->hicr && ((pth->hicr->scale.x != 1.0f) || (pth->hicr->scale.y != 1.0f)))
bglScalef(pth->hicr->scale.x, pth->hicr->scale.y, 1.0f);
if (detailpth && detailpth->hicr && ((detailpth->hicr->scale.x != 1.0f) || (detailpth->hicr->scale.y != 1.0f)))
if ((detailpth->hicr->scale.x != 1.0f) || (detailpth->hicr->scale.y != 1.0f))
bglScalef(detailpth->hicr->scale.x, detailpth->hicr->scale.y, 1.0f);
bglMatrixMode(GL_MODELVIEW);
@ -1847,8 +1878,10 @@ static void polymost_drawpoly(vec2f_t const * const dpxy, int32_t const n, int32
if (usehightile && !drawingskybox && hicfindsubst(globalpicnum, GLOWPAL, 1) &&
(glowpth = texcache_fetch(globalpicnum, GLOWPAL, 0, (method & ~DAMETH_MASKPROPS) | DAMETH_MASK)) &&
glowpth->hicr && (glowpth->hicr->palnum == GLOWPAL))
polymost_setupglowtexture(++texunits, glowpth ? glowpth->glpic : 0);
glowpth && glowpth->hicr && (glowpth->hicr->palnum == GLOWPAL))
{
polymost_setupglowtexture(++texunits, glowpth->glpic);
}
}
#endif
@ -2035,8 +2068,6 @@ do
vec2f_t const invtsiz2 = { 1.f / tsiz2.x, 1.f / tsiz2.y };
bglBegin(GL_TRIANGLE_FAN);
for (i=0; i<nn; ++i)
{
vec2f_t const o = { uu[i], vv[i] };
@ -2045,49 +2076,36 @@ do
o.x * ngx.v + o.y * ngy.v + ngo.v };
float const r = 1.f/p.d;
#ifdef USE_GLEXT
if (texunits > GL_TEXTURE0_ARB)
{
j = GL_TEXTURE0_ARB;
while (j <= texunits)
bglMultiTexCoord2fARB(j++, (p.u * r - du0 + uoffs) * invtsiz2.x, p.v * r * invtsiz2.y);
}
else
#endif
bglTexCoord2f((p.u * r - du0 + uoffs) * invtsiz2.x, p.v * r * invtsiz2.y);
bglVertex3f((o.x - ghalfx) * r * grhalfxdown10x,
(ghoriz - o.y) * r * grhalfxdown10,
r * (1.f / 1024.f));
//update verts
drawpolyVerts[i*5] = (o.x - ghalfx) * r * grhalfxdown10x;
drawpolyVerts[i*5+1] = (ghoriz - o.y) * r * grhalfxdown10;
drawpolyVerts[i*5+2] = r * (1.f / 1024.f);
//update texcoords
drawpolyVerts[i*5+3] = (p.u * r - du0 + uoffs) * invtsiz2.x;
drawpolyVerts[i*5+4] = p.v * r * invtsiz2.y;
}
bglEnd();
bglDrawArrays(GL_TRIANGLE_FAN, 0, nn);
}
}
else
{
vec2f_t const scale = { 1.f / tsiz2.x * hacksc.x, 1.f / tsiz2.y * hacksc.y };
bglBegin(GL_TRIANGLE_FAN);
for (bssize_t i = 0; i < npoints; ++i)
{
float const r = 1.f / dd[i];
#ifdef USE_GLEXT
if (texunits > GL_TEXTURE0_ARB)
{
j = GL_TEXTURE0_ARB;
while (j <= texunits) bglMultiTexCoord2fARB(j++, uu[i] * r * scale.x, vv[i] * r * scale.y);
}
else
#endif
bglTexCoord2f(uu[i] * r * scale.x, vv[i] * r * scale.y);
bglVertex3f((px[i] - ghalfx) * r * grhalfxdown10x,
(ghoriz - py[i]) * r * grhalfxdown10,
r * (1.f / 1024.f));
//update verts
drawpolyVerts[i*5] = (px[i] - ghalfx) * r * grhalfxdown10x;
drawpolyVerts[i*5+1] = (ghoriz - py[i]) * r * grhalfxdown10;
drawpolyVerts[i*5+2] = r * (1.f / 1024.f);
//update texcoords
drawpolyVerts[i*5+3] = uu[i] * r * scale.x;
drawpolyVerts[i*5+4] = vv[i] * r * scale.y;
}
bglEnd();
bglDrawArrays(GL_TRIANGLE_FAN, 0, npoints);
}
#ifdef USE_GLEXT
@ -2097,7 +2115,10 @@ do
bglMatrixMode(GL_TEXTURE);
bglLoadIdentity();
bglMatrixMode(GL_MODELVIEW);
bglClientActiveTextureARB(texunits);
bglDisableClientState(GL_TEXTURE_COORD_ARRAY);
bglTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f);
bglDisable(GL_TEXTURE_2D);