diff options
Diffstat (limited to 'src/gallium/state_trackers/nine/device9.c')
| -rw-r--r-- | src/gallium/state_trackers/nine/device9.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/nine/device9.c b/src/gallium/state_trackers/nine/device9.c index e0524644f8a..78e148bca77 100644 --- a/src/gallium/state_trackers/nine/device9.c +++ b/src/gallium/state_trackers/nine/device9.c @@ -221,6 +221,42 @@ NineDevice9_ctor( struct NineDevice9 *This, NineUnknown_ConvertRefToBind(NineUnknown(This->state.rt[i])); } + /* Initialize a dummy VBO to be used when a a vertex declaration does not + * specify all the inputs needed by vertex shader, on win default behavior + * is to pass 0,0,0,0 to the shader */ + { + struct pipe_transfer *transfer; + struct pipe_resource tmpl; + struct pipe_box box; + unsigned char *data; + + tmpl.target = PIPE_BUFFER; + tmpl.format = PIPE_FORMAT_R8_UNORM; + tmpl.width0 = 16; /* 4 floats */ + tmpl.height0 = 1; + tmpl.depth0 = 1; + tmpl.array_size = 1; + tmpl.last_level = 0; + tmpl.nr_samples = 0; + tmpl.usage = PIPE_USAGE_DEFAULT; + tmpl.bind = PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_TRANSFER_WRITE; + tmpl.flags = 0; + This->dummy_vbo = pScreen->resource_create(pScreen, &tmpl); + + if (!This->dummy_vbo) + return D3DERR_OUTOFVIDEOMEMORY; + + u_box_1d(0, 16, &box); + data = This->pipe->transfer_map(This->pipe, This->dummy_vbo, 0, + PIPE_TRANSFER_WRITE | + PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE, + &box, &transfer); + assert(data); + assert(transfer); + memset(data, 0, 16); + This->pipe->transfer_unmap(This->pipe, transfer); + } + This->cursor.software = FALSE; This->cursor.hotspot.x = -1; This->cursor.hotspot.y = -1; @@ -387,6 +423,7 @@ NineDevice9_dtor( struct NineDevice9 *This ) pipe_resource_reference(&This->dummy_texture, NULL); pipe_resource_reference(&This->constbuf_vs, NULL); pipe_resource_reference(&This->constbuf_ps, NULL); + pipe_resource_reference(&This->dummy_vbo, NULL); FREE(This->state.vs_const_f); FREE(This->state.ps_const_f); FREE(This->state.vs_lconstf_temp); |