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ref_gl: vbo: apply a1batross's patch for uint index switch

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mittorn 2023-10-20 21:54:29 +03:00 committed by Alibek Omarov
parent 3691eb6e48
commit 9a1717915c
1 changed files with 29 additions and 19 deletions
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48
ref/gl/gl_rsurf.c
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@ -1714,10 +1714,20 @@ typedef struct vbovertex_s
#endif
} vbovertex_t;
#ifndef UINT_INDEX
typedef unsigned short vboindex_t;
#define VBOINDEX_MAX USHRT_MAX
#define GL_VBOINDEX_TYPE GL_UNSIGNED_SHORT
#else
typedef unsigned int vboindex_t;
#define VBOINDEX_MAX UINT_MAX
#define GL_VBOINDEX_TYPE GL_UNSIGNED_INT
#endif
// store indexes for each texture
typedef struct vbotexture_s
{
unsigned short *indexarray; // index array (generated instead of texture chains)
vboindex_t *indexarray; // index array (generated instead of texture chains)
uint curindex; // counter for index array
uint len; // maximum index array length
struct vbotexture_s *next; // if cannot fit into one array, allocate new one, as every array has own index space
@ -1774,7 +1784,7 @@ struct vbo_static_s
vboarray_t *arraylist; // linked list
// separate areay for dlights (build during draw)
unsigned short *dlight_index; // array
vboindex_t *dlight_index; // array
vec2_t *dlight_tc; // array
unsigned int dlight_vbo;
vbovertex_t decal_dlight[MAX_RENDER_DECALS * DECAL_VERTS_MAX];
@ -1910,7 +1920,7 @@ void R_GenerateVBO( void )
if( R_TextureRandomTiling( surf ) != world->textures[j] )
continue;
if( vbo->array_len + surf->polys->numverts > USHRT_MAX )
if( vbo->array_len + surf->polys->numverts > VBOINDEX_MAX )
{
// generate new array and new vbotexture node
vbo->array = Mem_Calloc( vbos.mempool, sizeof( vbovertex_t ) * vbo->array_len );
@ -1958,7 +1968,7 @@ void R_GenerateVBO( void )
vbotexture_t *vbotex = &vbos.textures[k * numtextures + j];
// preallocate index arrays
vbotex->indexarray = Mem_Calloc( vbos.mempool, sizeof( unsigned short ) * 6 * vbotex->len );
vbotex->indexarray = Mem_Calloc( vbos.mempool, sizeof( *vbotex->indexarray ) * 6 * vbotex->len );
vbotex->lightmaptexturenum = k;
if( maxindex < vbotex->len )
@ -1979,7 +1989,7 @@ void R_GenerateVBO( void )
continue;
// switch to next array
if( len + surf->polys->numverts > USHRT_MAX )
if( len + surf->polys->numverts > VBOINDEX_MAX )
{
// upload last generated array
pglGenBuffersARB( 1, &vbo->glindex );
@ -1990,7 +2000,7 @@ void R_GenerateVBO( void )
vbo = vbo->next;
vbotex = vbotex->next;
vbotex->indexarray = Mem_Calloc( vbos.mempool, sizeof( unsigned short ) * 6 * vbotex->len );
vbotex->indexarray = Mem_Calloc( vbos.mempool, sizeof( *vbotex->indexarray ) * 6 * vbotex->len );
vbotex->lightmaptexturenum = k;
// calculate limits for dlights
@ -2038,16 +2048,16 @@ void R_GenerateVBO( void )
pglBufferDataARB( GL_ARRAY_BUFFER_ARB, sizeof( vbovertex_t ) * DECAL_VERTS_CUT * MAX_RENDER_DECALS, vbos.decaldata->decalarray, GL_DYNAMIC_DRAW_ARB );
// preallocate dlight arrays
vbos.dlight_index = Mem_Calloc( vbos.mempool, maxindex * sizeof( unsigned short ) * 6 );
vbos.dlight_index = Mem_Calloc( vbos.mempool, maxindex * sizeof( *vbos.dlight_index ) * 6 );
// select maximum possible length for dlight
vbos.dlight_tc = Mem_Calloc( vbos.mempool, sizeof( vec2_t ) * (int)(vbos.arraylist->next?USHRT_MAX + 1:vbos.arraylist->array_len + 1) );
vbos.dlight_tc = Mem_Calloc( vbos.mempool, sizeof( vec2_t ) * (int)( vbos.arraylist->next ? VBOINDEX_MAX + 1 : vbos.arraylist->array_len + 1 ));
if( r_vbo_dlightmode.value )
{
pglGenBuffersARB( 1, &vbos.dlight_vbo );
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbos.dlight_vbo );
pglBufferDataARB( GL_ARRAY_BUFFER_ARB, sizeof( vec2_t ) * (int)(vbos.arraylist->next?USHRT_MAX + 1:vbos.arraylist->array_len + 1) , NULL, GL_STREAM_DRAW_ARB );
pglBufferDataARB( GL_ARRAY_BUFFER_ARB, sizeof( vec2_t ) * (int)( vbos.arraylist->next ? VBOINDEX_MAX + 1 : vbos.arraylist->array_len + 1 ), NULL, GL_STREAM_DRAW_ARB );
pglGenBuffersARB( 1, &vbos.decal_dlight_vbo );
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbos.decal_dlight_vbo );
pglBufferDataARB( GL_ARRAY_BUFFER_ARB, sizeof( vbos.decal_dlight ), NULL, GL_STREAM_DRAW_ARB );
@ -2406,10 +2416,10 @@ static void R_AdditionalPasses( vboarray_t *vbo, int indexlen, void *indexarray,
// draw
#if !defined XASH_NANOGL || defined XASH_WES && XASH_EMSCRIPTEN // WebGL need to know array sizes
if( pglDrawRangeElements )
pglDrawRangeElements( GL_TRIANGLES, 0, vbo->array_len, indexlen, GL_UNSIGNED_SHORT, indexarray );
pglDrawRangeElements( GL_TRIANGLES, 0, vbo->array_len, indexlen, GL_VBOINDEX_TYPE, indexarray );
else
#endif
pglDrawElements( GL_TRIANGLES, indexlen, GL_UNSIGNED_SHORT, indexarray );
pglDrawElements( GL_TRIANGLES, indexlen, GL_VBOINDEX_TYPE, indexarray );
// restore state
@ -2501,7 +2511,7 @@ static void R_DrawDlightedDecals( vboarray_t *vbo, msurface_t *newsurf, msurface
R_SetDecalMode( false );
}
static void R_FlushDlights( vboarray_t *vbo, int min_index, int max_index, int dlightindex, unsigned short *dlightarray )
static void R_FlushDlights( vboarray_t *vbo, int min_index, int max_index, int dlightindex, vboindex_t *dlightarray )
{
if( max_index == 0 )
return;
@ -2530,10 +2540,10 @@ static void R_FlushDlights( vboarray_t *vbo, int min_index, int max_index, int d
LM_UploadDynamicBlock();
#if !defined XASH_NANOGL || defined XASH_WES && XASH_EMSCRIPTEN // WebGL need to know array sizes
if( pglDrawRangeElements )
pglDrawRangeElements( GL_TRIANGLES, min_index, max_index, dlightindex, GL_UNSIGNED_SHORT, dlightarray );
pglDrawRangeElements( GL_TRIANGLES, min_index, max_index, dlightindex, GL_VBOINDEX_TYPE, dlightarray );
else
#endif
pglDrawElements( GL_TRIANGLES, dlightindex, GL_UNSIGNED_SHORT, dlightarray );
pglDrawElements( GL_TRIANGLES, dlightindex, GL_VBOINDEX_TYPE, dlightarray );
}
@ -2591,7 +2601,7 @@ static void R_DrawVBODlights( vboarray_t *vbo, vbotexture_t *vbotex, texture_t *
// draw dlights and dlighted decals
if( vbotex->dlightchain )
{
unsigned short *dlightarray = vbos.dlight_index; // preallocated array
vboindex_t *dlightarray = vbos.dlight_index; // preallocated array
unsigned int dlightindex = 0;
msurface_t *surf, *newsurf;
int decalcount = 0;
@ -2764,10 +2774,10 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture
{
#if !defined XASH_NANOGL || defined XASH_WES && XASH_EMSCRIPTEN // WebGL need to know array sizes
if( pglDrawRangeElements )
pglDrawRangeElements( GL_TRIANGLES, 0, vbo->array_len, vbotex->curindex, GL_UNSIGNED_SHORT, vbotex->indexarray );
pglDrawRangeElements( GL_TRIANGLES, 0, vbo->array_len, vbotex->curindex, GL_VBOINDEX_TYPE, vbotex->indexarray );
else
#endif
pglDrawElements( GL_TRIANGLES, vbotex->curindex, GL_UNSIGNED_SHORT, vbotex->indexarray );
pglDrawElements( GL_TRIANGLES, vbotex->curindex, GL_VBOINDEX_TYPE, vbotex->indexarray );
// draw debug lines
if( gl_wireframe.value && !skiplighting )
@ -2779,10 +2789,10 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture
pglDisable( GL_DEPTH_TEST );
#if !defined XASH_NANOGL || defined XASH_WES && XASH_EMSCRIPTEN // WebGL need to know array sizes
if( pglDrawRangeElements )
pglDrawRangeElements( GL_LINES, 0, vbo->array_len, vbotex->curindex, GL_UNSIGNED_SHORT, vbotex->indexarray );
pglDrawRangeElements( GL_LINES, 0, vbo->array_len, vbotex->curindex, GL_VBOINDEX_TYPE, vbotex->indexarray );
else
#endif
pglDrawElements( GL_LINES, vbotex->curindex, GL_UNSIGNED_SHORT, vbotex->indexarray );
pglDrawElements( GL_LINES, vbotex->curindex, GL_VBOINDEX_TYPE, vbotex->indexarray );
pglEnable( GL_DEPTH_TEST );
pglEnable( GL_TEXTURE_2D );
GL_SelectTexture( XASH_TEXTURE1 );