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intel_renderstate.h revision 1.1.1.1 
      1 /*	$NetBSD: intel_renderstate.h,v 1.1.1.1 2021/12/18 20:15:32 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright  2014 Intel Corporation
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the next
     14  * paragraph) shall be included in all copies or substantial portions of the
     15  * Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     23  * DEALINGS IN THE SOFTWARE.
     24  */
     25 
     26 #ifndef _INTEL_RENDERSTATE_H_
     27 #define _INTEL_RENDERSTATE_H_
     28 
     29 #include <linux/types.h>
     30 
     31 struct i915_request;
     32 struct intel_engine_cs;
     33 struct i915_vma;
     34 
     35 struct intel_renderstate_rodata {
     36 	const u32 *reloc;
     37 	const u32 *batch;
     38 	const u32 batch_items;
     39 };
     40 
     41 #define RO_RENDERSTATE(_g)						\
     42 	const struct intel_renderstate_rodata gen ## _g ## _null_state = { \
     43 		.reloc = gen ## _g ## _null_state_relocs,		\
     44 		.batch = gen ## _g ## _null_state_batch,		\
     45 		.batch_items = sizeof(gen ## _g ## _null_state_batch)/4, \
     46 	}
     47 
     48 extern const struct intel_renderstate_rodata gen6_null_state;
     49 extern const struct intel_renderstate_rodata gen7_null_state;
     50 extern const struct intel_renderstate_rodata gen8_null_state;
     51 extern const struct intel_renderstate_rodata gen9_null_state;
     52 
     53 struct intel_renderstate {
     54 	const struct intel_renderstate_rodata *rodata;
     55 	struct i915_vma *vma;
     56 	u32 batch_offset;
     57 	u32 batch_size;
     58 	u32 aux_offset;
     59 	u32 aux_size;
     60 };
     61 
     62 int intel_renderstate_init(struct intel_renderstate *so,
     63 			   struct intel_engine_cs *engine);
     64 int intel_renderstate_emit(struct intel_renderstate *so,
     65 			   struct i915_request *rq);
     66 void intel_renderstate_fini(struct intel_renderstate *so);
     67 
     68 #endif /* _INTEL_RENDERSTATE_H_ */
     69