diff options
| author | Marek Olšák <[email protected]> | 2012-04-24 20:16:50 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2012-04-30 01:09:57 +0200 |
| commit | 7a0545972694e6afc6c5ac60db563defa79c20d9 (patch) | |
| tree | 3152ec74a8bb4a2dbd1a25a5ed6f7911faad1525 /src/mesa/state_tracker | |
| parent | 507337864fa80caf9f26602324d2c28dd0a75d61 (diff) | |
st/mesa: make user constant buffers optional
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_atom_constbuf.c | 19 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_context.c | 11 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_context.h | 2 |
3 files changed, 25 insertions, 7 deletions
diff --git a/src/mesa/state_tracker/st_atom_constbuf.c b/src/mesa/state_tracker/st_atom_constbuf.c index 87bb51543f5..eb98161dbd0 100644 --- a/src/mesa/state_tracker/st_atom_constbuf.c +++ b/src/mesa/state_tracker/st_atom_constbuf.c @@ -38,6 +38,7 @@ #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "util/u_inlines.h" +#include "util/u_upload_mgr.h" #include "st_debug.h" #include "st_context.h" @@ -77,15 +78,21 @@ void st_upload_constants( struct st_context *st, * avoid gratuitous rendering synchronization. * Let's use a user buffer to avoid an unnecessary copy. */ - cb.buffer = pipe_user_buffer_create(pipe->screen, - params->ParameterValues, - paramBytes, - PIPE_BIND_CONSTANT_BUFFER); - cb.buffer_offset = 0; + if (st->constbuf_uploader) { + cb.buffer = NULL; + u_upload_data(st->constbuf_uploader, 0, paramBytes, + params->ParameterValues, &cb.buffer_offset, &cb.buffer); + } else { + cb.buffer = pipe_user_buffer_create(pipe->screen, + params->ParameterValues, + paramBytes, + PIPE_BIND_CONSTANT_BUFFER); + cb.buffer_offset = 0; + } cb.buffer_size = paramBytes; if (ST_DEBUG & DEBUG_CONSTANTS) { - debug_printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n", + debug_printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n", __FUNCTION__, shader_type, params->NumParameters, params->StateFlags); _mesa_print_parameter_list(params); diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c index d50c6be6c4d..a804e77af8b 100644 --- a/src/mesa/state_tracker/st_context.c +++ b/src/mesa/state_tracker/st_context.c @@ -163,6 +163,14 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe ) PIPE_BIND_INDEX_BUFFER); } + if (!screen->get_param(screen, PIPE_CAP_USER_CONSTANT_BUFFERS)) { + unsigned alignment = + screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT); + + st->constbuf_uploader = u_upload_create(pipe, 128 * 1024, alignment, + PIPE_BIND_CONSTANT_BUFFER); + } + st->cso_context = cso_create_context(pipe); st_init_vbuf(st); @@ -273,6 +281,9 @@ static void st_destroy_context_priv( struct st_context *st ) if (st->indexbuf_uploader) { u_upload_destroy(st->indexbuf_uploader); } + if (st->constbuf_uploader) { + u_upload_destroy(st->constbuf_uploader); + } free( st ); } diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h index 8f557e81a7c..4e40d533e05 100644 --- a/src/mesa/state_tracker/st_context.h +++ b/src/mesa/state_tracker/st_context.h @@ -73,7 +73,7 @@ struct st_context struct pipe_context *pipe; - struct u_upload_mgr *uploader, *indexbuf_uploader; + struct u_upload_mgr *uploader, *indexbuf_uploader, *constbuf_uploader; struct u_vbuf *vbuf; struct draw_context *draw; /**< For selection/feedback/rastpos only */ |