diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/gen6_sampler_state.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/gen6_sampler_state.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_sampler_state.c b/src/mesa/drivers/dri/i965/gen6_sampler_state.c new file mode 100644 index 0000000000..ab8e7516d2 --- /dev/null +++ b/src/mesa/drivers/dri/i965/gen6_sampler_state.c @@ -0,0 +1,71 @@ +/* + * Copyright © 2010 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 <eric@anholt.net> + * + */ + +#include "brw_context.h" +#include "brw_state.h" +#include "brw_defines.h" +#include "intel_batchbuffer.h" + +static void +upload_sampler_state_pointers(struct brw_context *brw) +{ + struct intel_context *intel = &brw->intel; + + BEGIN_BATCH(4); + OUT_BATCH(CMD_3D_SAMPLER_STATE_POINTERS << 16 | + VS_SAMPLER_STATE_CHANGE | + GS_SAMPLER_STATE_CHANGE | + PS_SAMPLER_STATE_CHANGE | + (4 - 2)); + OUT_BATCH(0); /* VS */ + OUT_BATCH(0); /* GS */ + if (brw->wm.sampler_bo) + OUT_RELOC(brw->wm.sampler_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0); + else + OUT_BATCH(0); + + ADVANCE_BATCH(); + + intel_batchbuffer_emit_mi_flush(intel->batch); +} + + +static void +prepare_sampler_state_pointers(struct brw_context *brw) +{ + brw_add_validated_bo(brw, brw->wm.sampler_bo); +} + +const struct brw_tracked_state gen6_sampler_state = { + .dirty = { + .mesa = 0, + .brw = BRW_NEW_BATCH, + .cache = CACHE_NEW_SAMPLER + }, + .prepare = prepare_sampler_state_pointers, + .emit = upload_sampler_state_pointers, +}; |