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ref_gl: add ability to skip uploading unused data (disabled)

pull/2/head
mittorn 1 year ago committed by Alibek Omarov
parent
91d92935fa
commit
3e7847551a
1 changed files with 37 additions and 8 deletions
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  1. 43
      ref/gl/gl_rsurf.c

43
ref/gl/gl_rsurf.c
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@ -2235,7 +2235,8 @@ static void R_AdditionalPasses( vboarray_t *vbo, int indexlen, void *indexarray, @@ -2235,7 +2235,8 @@ static void R_AdditionalPasses( vboarray_t *vbo, int indexlen, void *indexarray,
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, 0 );
}
}
#define MINIMIZE_UPLOAD
#define DISCARD_DLIGHTS
/*
=====================
R_DrawLightmappedVBO
@ -2308,8 +2309,19 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture @@ -2308,8 +2309,19 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture
{
// calculate minimum indexbase
for( surf = newsurf = vbotex->dlightchain; surf; surf = surf->info->lightmapchain )
if(min_index > vbos.surfdata[((char*)surf - (char*)WORLDMODEL->surfaces) / sizeof( *surf )].startindex )
min_index = vbos.surfdata[((char*)surf - (char*)WORLDMODEL->surfaces) / sizeof( *surf )].startindex;
{
uint indexbase = vbos.surfdata[((char*)surf - (char*)WORLDMODEL->surfaces) / sizeof( *surf )].startindex;
if(min_index > indexbase)
min_index = indexbase;
#ifdef MINIMIZE_UPLOAD
if( max_index < indexbase + surf->polys->numverts )
max_index = indexbase + surf->polys->numverts;
#endif
}
#ifdef MINIMIZE_UPLOAD
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbos.dlight_vbo );
pglBufferDataARB( GL_ARRAY_BUFFER_ARB, sizeof( vec2_t )* (max_index - min_index), NULL, GL_STREAM_DRAW_ARB );
#endif
}
else
{
@ -2347,18 +2359,19 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture @@ -2347,18 +2359,19 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture
// upload already generated block
if( vbos.dlight_vbo )
{
#ifndef MINIMIZE_UPLOAD
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbos.dlight_vbo );
pglBufferDataARB( GL_ARRAY_BUFFER_ARB, sizeof( vec2_t )* (max_index - min_index), vbos.dlight_tc + min_index, GL_STREAM_DRAW_ARB );
#endif
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbo->glindex );
pglVertexPointer( 3, GL_FLOAT, sizeof( vbovertex_t ), (void*)(min_index* sizeof( vbovertex_t ) + offsetof(vbovertex_t,pos)) );
GL_SelectTexture( XASH_TEXTURE0 );
pglTexCoordPointer( 2, GL_FLOAT, sizeof( vbovertex_t ), (void*)(min_index * sizeof( vbovertex_t ) + offsetof(vbovertex_t,gl_tc)) );
GL_SelectTexture( XASH_TEXTURE1 );
}
#ifdef DISCARD_DLIGHTS
pglTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, BLOCK_SIZE, BLOCK_SIZE, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0 );
#endif
LM_UploadDynamicBlock();
#if !defined XASH_NANOGL || defined XASH_WES && XASH_EMSCRIPTEN // WebGL need to know array sizes
if( pglDrawRangeElements )
@ -2366,7 +2379,12 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture @@ -2366,7 +2379,12 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture
else
#endif
pglDrawElements( GL_TRIANGLES, dlightindex, GL_UNSIGNED_SHORT, dlightarray );
#ifdef MINIMIZE_UPLOAD
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbos.dlight_vbo );
pglBufferDataARB( GL_ARRAY_BUFFER_ARB, sizeof( vec2_t )* (max_index - min_index), NULL, GL_STREAM_DRAW_ARB );
#else
max_index = 0;
#endif
// draw decals that lighted with this lightmap
if( decalcount )
@ -2485,9 +2503,16 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture @@ -2485,9 +2503,16 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture
vbos.dlight_tc[index][0] = surf->polys->verts[index - indexbase][5] - ( surf->light_s - info->dlight_s ) * ( 1.0f / (float)BLOCK_SIZE );
vbos.dlight_tc[index][1] = surf->polys->verts[index - indexbase][6] - ( surf->light_t - info->dlight_t ) * ( 1.0f / (float)BLOCK_SIZE );
}
#ifndef MINIMIZE_UPLOAD
if( max_index < indexbase + surf->polys->numverts )
max_index = indexbase + surf->polys->numverts;
#else
if( vbos.dlight_vbo )
{
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbos.dlight_vbo );
pglBufferSubDataARB( GL_ARRAY_BUFFER_ARB, sizeof( vec2_t ) * (indexbase - min_index), sizeof( vec2_t )* surf->polys->numverts, vbos.dlight_tc + indexbase );
}
#endif
// if surface has decals, build decal array
for( pdecal = surf->pdecals; pdecal; pdecal = pdecal->pnext )
@ -2536,14 +2561,18 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture @@ -2536,14 +2561,18 @@ static void R_DrawLightmappedVBO( vboarray_t *vbo, vbotexture_t *vbotex, texture
if( dlightindex )
{
#ifdef DISCARD_DLIGHTS
pglTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, BLOCK_SIZE, BLOCK_SIZE, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0 );
#endif
// update block
LM_UploadDynamicBlock();
if( vbos.dlight_vbo )
{
#ifndef MINIMIZE_UPLOAD
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbos.dlight_vbo );
pglBufferDataARB( GL_ARRAY_BUFFER_ARB, sizeof( vec2_t )* (max_index - min_index), vbos.dlight_tc + min_index, GL_STREAM_DRAW_ARB );
#endif
pglBindBufferARB( GL_ARRAY_BUFFER_ARB, vbo->glindex );
pglVertexPointer( 3, GL_FLOAT, sizeof( vbovertex_t ), (void*)(min_index * sizeof( vbovertex_t ) + offsetof(vbovertex_t,pos)) );
GL_SelectTexture( XASH_TEXTURE0 );

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