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wined3d: Fix index offset for immediate mode draws. 

This fixes 42fcf20221. A non-NULL pointer
doesn't imply that the pointer isn't an offset into a buffer object data.

Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2016-10-24 11:57:27 +02:00 committed by Alexandre Julliard
parent 6c5e1aff04
commit 0581d86147
1 changed files with 4 additions and 6 deletions
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10
dlls/wined3d/drawprim.c
View File

@ -196,12 +196,10 @@ static void draw_primitive_immediate_mode(struct wined3d_context *context, const
if (instance_count)
FIXME("Instancing not implemented.\n");
/* Immediate mode drawing can't make use of indices in a vbo - get the
* data from the index buffer. If the index buffer has no vbo (not
* supported or other reason), or with user pointer drawing idx_data
* will be non-NULL. */
if (idx_size && !idx_data)
idx_data = wined3d_buffer_load_sysmem(state->index_buffer, context);
/* Immediate mode drawing can't make use of indices in a VBO - get the
* data from the index buffer. */
if (idx_size)
idx_data = wined3d_buffer_load_sysmem(state->index_buffer, context) + state->index_offset;
ops = &d3d_info->ffp_attrib_ops;