diff options
author | Eric Anholt <[email protected]> | 2009-12-03 17:08:32 -0800 |
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committer | Eric Anholt <[email protected]> | 2010-02-25 10:53:06 -0800 |
commit | c9dc6d425e645f2988118ff51cabe167a0cd3971 (patch) | |
tree | 9d86ba52f852ce0916f41bba30c8e002e3e35b81 /src/mesa/drivers/dri/i965/gen6_urb.c | |
parent | 0da50fa67009535577dc84dde21672db5ec45134 (diff) |
i965: Set up the SNB URB.
even with vs disabled, still doesn't work.
Diffstat (limited to 'src/mesa/drivers/dri/i965/gen6_urb.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/gen6_urb.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_urb.c b/src/mesa/drivers/dri/i965/gen6_urb.c new file mode 100644 index 00000000000..dea0aa71007 --- /dev/null +++ b/src/mesa/drivers/dri/i965/gen6_urb.c @@ -0,0 +1,81 @@ +/* + * Copyright © 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <[email protected]> + * + */ + +#include "main/macros.h" +#include "intel_batchbuffer.h" +#include "brw_context.h" +#include "brw_state.h" +#include "brw_defines.h" + +static void +prepare_urb( struct brw_context *brw ) +{ + brw->urb.nr_vs_entries = 24; + if (brw->gs.prog_bo) + brw->urb.nr_gs_entries = 4; + else + brw->urb.nr_gs_entries = 0; + /* CACHE_NEW_VS_PROG */ + brw->urb.vs_size = MIN2(brw->vs.prog_data->urb_entry_size, 1); + + /* Check that the number of URB rows (8 floats each) allocated is less + * than the URB space. + */ + assert((brw->urb.nr_vs_entries + + brw->urb.nr_gs_entries) * brw->urb.vs_size * 8 < 64 * 1024); +} + +static void +upload_urb(struct brw_context *brw) +{ + struct intel_context *intel = &brw->intel; + + assert(brw->urb.nr_vs_entries % 4 == 0); + assert(brw->urb.nr_gs_entries % 4 == 0); + /* GS requirement */ + assert(!brw->gs.prog_bo || brw->urb.vs_size < 5); + + intel_batchbuffer_emit_mi_flush(intel->batch); + + BEGIN_BATCH(3); + OUT_BATCH(CMD_URB << 16 | (3 - 2)); + OUT_BATCH(((brw->urb.vs_size - 1) << GEN6_URB_VS_SIZE_SHIFT) | + ((brw->urb.nr_vs_entries) << GEN6_URB_VS_SIZE_SHIFT)); + OUT_BATCH(((brw->urb.vs_size - 1) << GEN6_URB_GS_SIZE_SHIFT) | + ((brw->urb.nr_gs_entries) << GEN6_URB_GS_SIZE_SHIFT)); + ADVANCE_BATCH(); +} + +const struct brw_tracked_state gen6_urb = { + .dirty = { + .mesa = 0, + .brw = BRW_NEW_CONTEXT, + .cache = CACHE_NEW_VS_PROG, + }, + .prepare = prepare_urb, + .emit = upload_urb, +}; |