diff options
| -rw-r--r-- | src/mesa/tnl/t_draw.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c index a23d1754391..86af4b7cfe2 100644 --- a/src/mesa/tnl/t_draw.c +++ b/src/mesa/tnl/t_draw.c @@ -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; } |