drivers/gpu/drm/i915/i915_gem_render_state.h

   1 /*
   2  * Copyright © 2014 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #ifndef _I915_GEM_RENDER_STATE_H_
  25 #define _I915_GEM_RENDER_STATE_H_
  26
  27 #include <linux/types.h>
  28
  29 struct intel_renderstate_rodata {
  30         const u32 *reloc;
  31         const u32 *batch;
  32         const u32 batch_items;
  33 };
  34
  35 struct render_state {
  36         const struct intel_renderstate_rodata *rodata;
  37         struct drm_i915_gem_object *obj;
  38         u64 ggtt_offset;
  39         int gen;
  40 };
  41
  42 int i915_gem_render_state_init(struct intel_engine_cs *ring);
  43 void i915_gem_render_state_fini(struct render_state *so);
  44 int i915_gem_render_state_prepare(struct intel_engine_cs *ring,
  45                                   struct render_state *so);
  46
  47 #endif /* _I915_GEM_RENDER_STATE_H_ */