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ref: gl: merge refactoring changes from litwater branch

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This commit is contained in:
Alibek Omarov
2026-04-09 11:43:21 +05:00
parent a2514b6916
commit 055d646225
5 changed files with 100 additions and 107 deletions
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106
ref/gl/gl_rsurf.c
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@@ -17,6 +17,14 @@ GNU General Public License for more details.
#include "xash3d_mathlib.h"
#include "mod_local.h"
#define TURBSCALE ( 256.0f / ( M_PI2 ))
// speed up sin calculations
static const float r_turbsin[] =
{
#include "warpsin.h"
};
typedef struct
{
int allocated[BLOCK_SIZE_MAX];
@@ -324,7 +332,8 @@ void GL_SubdivideSurface( model_t *loadmodel, msurface_t *fa )
for( i = 0; i < fa->numedges; i++ )
R_GetEdgePosition( loadmodel, fa, i, verts[i] );
SetBits( fa->flags, SURF_DRAWTURB_QUADS ); // predict state
if( glConfig.context == CONTEXT_TYPE_GL )
SetBits( fa->flags, SURF_DRAWTURB_QUADS ); // predict state
// do subdivide
SubdividePolygon_r( loadmodel, fa, fa->numedges, verts[0] );
@@ -944,6 +953,89 @@ static void DrawGLPoly( glpoly2_t *p, float xScale, float yScale )
GL_SetupFogColorForSurfaces();
}
/*
=============
EmitWaterPolys
Does a water warp on the pre-fragmented glpoly_t chain
=============
*/
void EmitWaterPolys( msurface_t *warp, qboolean reverse, qboolean ripples )
{
float *v, nv, waveHeight;
float s, t, os, ot;
glpoly2_t *p;
int i;
const qboolean useQuads = FBitSet( warp->flags, SURF_DRAWTURB_QUADS ) && glConfig.context == CONTEXT_TYPE_GL;
if( !warp->polys ) return;
// set the current waveheight
if( warp->polys->verts[0][2] >= RI.vieworg[2] )
waveHeight = -RI.currententity->curstate.scale;
else waveHeight = RI.currententity->curstate.scale;
// reset fog color for nonlightmapped water
GL_ResetFogColor();
if( useQuads )
pglBegin( GL_QUADS );
for( p = warp->polys; p; p = p->next )
{
if( reverse )
v = p->verts[0] + ( p->numverts - 1 ) * VERTEXSIZE;
else v = p->verts[0];
if( !useQuads )
pglBegin( GL_POLYGON );
for( i = 0; i < p->numverts; i++ )
{
if( waveHeight )
{
nv = r_turbsin[(int)(gp_cl->time * 160.0f + v[1] + v[0]) & 255] + 8.0f;
nv = (r_turbsin[(int)(v[0] * 5.0f + gp_cl->time * 171.0f - v[1]) & 255] + 8.0f ) * 0.8f + nv;
nv = nv * waveHeight + v[2];
}
else nv = v[2];
os = v[3];
ot = v[4];
if( !ripples )
{
s = os + r_turbsin[(int)((ot * 0.125f + gp_cl->time) * TURBSCALE) & 255];
t = ot + r_turbsin[(int)((os * 0.125f + gp_cl->time) * TURBSCALE) & 255];
}
else
{
s = os;
t = ot;
}
s *= ( 1.0f / SUBDIVIDE_SIZE );
t *= ( 1.0f / SUBDIVIDE_SIZE );
pglTexCoord2f( s, t );
pglVertex3f( v[0], v[1], nv );
if( reverse )
v -= VERTEXSIZE;
else v += VERTEXSIZE;
}
if( !useQuads )
pglEnd();
}
if( useQuads )
pglEnd();
GL_SetupFogColorForSurfaces();
}
/*
================
DrawGLPolyChain
@@ -2461,14 +2553,13 @@ static texture_t *R_SetupVBOTexture( texture_t *tex, int number )
}
else R_DisableDetail();
GL_Bind( mtst.tmu_gl, r_lightmap->value ?tr.whiteTexture:tex->gl_texturenum );
if(number)
GL_Bind( mtst.tmu_gl, r_lightmap->value ? tr.whiteTexture : tex->gl_texturenum );
if( number )
vboarray.itexture = number;
return tex;
}
static void R_SetupVBOArrayStatic( vboarray_t *vbo, qboolean drawlightmap, qboolean drawtextures )
{
if( vboarray.astate != VBO_ARRAY_STATIC )
@@ -2483,7 +2574,6 @@ static void R_SetupVBOArrayStatic( vboarray_t *vbo, qboolean drawlightmap, qbool
pglVertexPointer( 3, GL_FLOAT, sizeof( vbovertex_t ), (void*)offsetof(vbovertex_t,pos) );
}
// setup multitexture
if( drawtextures && vboarray.tstate != VBO_TEXTURE_MAIN )
{
@@ -2512,11 +2602,8 @@ static void R_SetupVBOArrayStatic( vboarray_t *vbo, qboolean drawlightmap, qbool
}
}
static void R_SetupVBOArrayDlight( vboarray_t *vbo, texture_t *texture )
{
if( vboarray.astate != VBO_ARRAY_DLIGHT )
{
if( vboarray.astate == VBO_ARRAY_DECAL_DLIGHT )
@@ -2584,7 +2671,6 @@ static void R_SetupVBOArrayDecalDlight( int decalcount )
vboarray.lstate = VBO_LIGHTMAP_DYNAMIC;
}
/*
===================
R_AdditionalPasses
@@ -2652,11 +2738,9 @@ static void R_AdditionalPasses( vboarray_t *vbo, int indexlen, void *indexarray,
}
}
#define MINIMIZE_UPLOAD
#define DISCARD_DLIGHTS
static void R_DrawDlightedDecals( vboarray_t *vbo, msurface_t *newsurf, msurface_t *surf, int decalcount, texture_t *texture )
{
msurface_t *decalsurf;