fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-29 21:00:16 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

tnl: Only map the necessary buffer range in bind_indices

Browse source 
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Ian Romanick 2011-08-22 00:31:19 -07:00
parent 655c7d7498
commit 2ea1ff3816
1 changed files with 21 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
src/mesa/tnl/t_draw.c
View file

@ -347,16 +347,32 @@ static void bind_indices( struct gl_context *ctx,
}
if (ib->obj->Name && !ib->obj->Pointer) {
unsigned map_size;
switch (ib->type) {
case GL_UNSIGNED_BYTE:
map_size = ib->count * sizeof(GLubyte);
break;
case GL_UNSIGNED_SHORT:
map_size = ib->count * sizeof(GLushort);
break;
case GL_UNSIGNED_INT:
map_size = ib->count * sizeof(GLuint);
break;
default:
assert(0);
map_size = 0;
}
bo[*nr_bo] = ib->obj;
(*nr_bo)++;
ctx->Driver.MapBufferRange(ctx, 0, ib->obj->Size, GL_MAP_READ_BIT,
ib->obj);
ptr = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr, map_size,
GL_MAP_READ_BIT, ib->obj);
assert(ib->obj->Pointer);
} else {
ptr = ib->ptr;
}
ptr = ADD_POINTERS(ib->obj->Pointer, ib->ptr);
if (ib->type == GL_UNSIGNED_INT && VB->Primitive[0].basevertex == 0) {
VB->Elts = (GLuint *) ptr;
}