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  1. /**************************************************************************
  2.  *
  3.  * Copyright © 2015 VMware, Inc., Palo Alto, CA., USA
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20.  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21.  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22.  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23.  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24.  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27. #ifndef _VMWGFX_BINDING_H_
  28. #define _VMWGFX_BINDING_H_
  29.  
  30. #include "device_include/svga3d_reg.h"
  31. #include <linux/list.h>
  32.  
  33. #define VMW_MAX_VIEW_BINDINGS 128
  34.  
  35. struct vmw_private;
  36. struct vmw_ctx_binding_state;
  37.  
  38. /*
  39.  * enum vmw_ctx_binding_type - abstract resource to context binding types
  40.  */
  41. enum vmw_ctx_binding_type {
  42.         vmw_ctx_binding_shader,
  43.         vmw_ctx_binding_rt,
  44.         vmw_ctx_binding_tex,
  45.         vmw_ctx_binding_cb,
  46.         vmw_ctx_binding_dx_shader,
  47.         vmw_ctx_binding_dx_rt,
  48.         vmw_ctx_binding_sr,
  49.         vmw_ctx_binding_ds,
  50.         vmw_ctx_binding_so,
  51.         vmw_ctx_binding_vb,
  52.         vmw_ctx_binding_ib,
  53.         vmw_ctx_binding_max
  54. };
  55.  
  56. /**
  57.  * struct vmw_ctx_bindinfo - single binding metadata
  58.  *
  59.  * @ctx_list: List head for the context's list of bindings.
  60.  * @res_list: List head for a resource's list of bindings.
  61.  * @ctx: Non-refcounted pointer to the context that owns the binding. NULL
  62.  * indicates no binding present.
  63.  * @res: Non-refcounted pointer to the resource the binding points to. This
  64.  * is typically a surface or a view.
  65.  * @bt: Binding type.
  66.  * @scrubbed: Whether the binding has been scrubbed from the context.
  67.  */
  68. struct vmw_ctx_bindinfo {
  69.         struct list_head ctx_list;
  70.         struct list_head res_list;
  71.         struct vmw_resource *ctx;
  72.         struct vmw_resource *res;
  73.         enum vmw_ctx_binding_type bt;
  74.         bool scrubbed;
  75. };
  76.  
  77. /**
  78.  * struct vmw_ctx_bindinfo_tex - texture stage binding metadata
  79.  *
  80.  * @bi: struct vmw_ctx_bindinfo we derive from.
  81.  * @texture_stage: Device data used to reconstruct binding command.
  82.  */
  83. struct vmw_ctx_bindinfo_tex {
  84.         struct vmw_ctx_bindinfo bi;
  85.         uint32 texture_stage;
  86. };
  87.  
  88. /**
  89.  * struct vmw_ctx_bindinfo_shader - Shader binding metadata
  90.  *
  91.  * @bi: struct vmw_ctx_bindinfo we derive from.
  92.  * @shader_slot: Device data used to reconstruct binding command.
  93.  */
  94. struct vmw_ctx_bindinfo_shader {
  95.         struct vmw_ctx_bindinfo bi;
  96.         SVGA3dShaderType shader_slot;
  97. };
  98.  
  99. /**
  100.  * struct vmw_ctx_bindinfo_cb - Constant buffer binding metadata
  101.  *
  102.  * @bi: struct vmw_ctx_bindinfo we derive from.
  103.  * @shader_slot: Device data used to reconstruct binding command.
  104.  * @offset: Device data used to reconstruct binding command.
  105.  * @size: Device data used to reconstruct binding command.
  106.  * @slot: Device data used to reconstruct binding command.
  107.  */
  108. struct vmw_ctx_bindinfo_cb {
  109.         struct vmw_ctx_bindinfo bi;
  110.         SVGA3dShaderType shader_slot;
  111.         uint32 offset;
  112.         uint32 size;
  113.         uint32 slot;
  114. };
  115.  
  116. /**
  117.  * struct vmw_ctx_bindinfo_view - View binding metadata
  118.  *
  119.  * @bi: struct vmw_ctx_bindinfo we derive from.
  120.  * @shader_slot: Device data used to reconstruct binding command.
  121.  * @slot: Device data used to reconstruct binding command.
  122.  */
  123. struct vmw_ctx_bindinfo_view {
  124.         struct vmw_ctx_bindinfo bi;
  125.         SVGA3dShaderType shader_slot;
  126.         uint32 slot;
  127. };
  128.  
  129. /**
  130.  * struct vmw_ctx_bindinfo_so - StreamOutput binding metadata
  131.  *
  132.  * @bi: struct vmw_ctx_bindinfo we derive from.
  133.  * @offset: Device data used to reconstruct binding command.
  134.  * @size: Device data used to reconstruct binding command.
  135.  * @slot: Device data used to reconstruct binding command.
  136.  */
  137. struct vmw_ctx_bindinfo_so {
  138.         struct vmw_ctx_bindinfo bi;
  139.         uint32 offset;
  140.         uint32 size;
  141.         uint32 slot;
  142. };
  143.  
  144. /**
  145.  * struct vmw_ctx_bindinfo_vb - Vertex buffer binding metadata
  146.  *
  147.  * @bi: struct vmw_ctx_bindinfo we derive from.
  148.  * @offset: Device data used to reconstruct binding command.
  149.  * @stride: Device data used to reconstruct binding command.
  150.  * @slot: Device data used to reconstruct binding command.
  151.  */
  152. struct vmw_ctx_bindinfo_vb {
  153.         struct vmw_ctx_bindinfo bi;
  154.         uint32 offset;
  155.         uint32 stride;
  156.         uint32 slot;
  157. };
  158.  
  159. /**
  160.  * struct vmw_ctx_bindinfo_ib - StreamOutput binding metadata
  161.  *
  162.  * @bi: struct vmw_ctx_bindinfo we derive from.
  163.  * @offset: Device data used to reconstruct binding command.
  164.  * @format: Device data used to reconstruct binding command.
  165.  */
  166. struct vmw_ctx_bindinfo_ib {
  167.         struct vmw_ctx_bindinfo bi;
  168.         uint32 offset;
  169.         uint32 format;
  170. };
  171.  
  172. /**
  173.  * struct vmw_dx_shader_bindings - per shader type context binding state
  174.  *
  175.  * @shader: The shader binding for this shader type
  176.  * @const_buffer: Const buffer bindings for this shader type.
  177.  * @shader_res: Shader resource view bindings for this shader type.
  178.  * @dirty_sr: Bitmap tracking individual shader resource bindings changes
  179.  * that have not yet been emitted to the device.
  180.  * @dirty: Bitmap tracking per-binding type binding changes that have not
  181.  * yet been emitted to the device.
  182.  */
  183. struct vmw_dx_shader_bindings {
  184.         struct vmw_ctx_bindinfo_shader shader;
  185.         struct vmw_ctx_bindinfo_cb const_buffers[SVGA3D_DX_MAX_CONSTBUFFERS];
  186.         struct vmw_ctx_bindinfo_view shader_res[SVGA3D_DX_MAX_SRVIEWS];
  187.         DECLARE_BITMAP(dirty_sr, SVGA3D_DX_MAX_SRVIEWS);
  188.         unsigned long dirty;
  189. };
  190.  
  191. extern void vmw_binding_add(struct vmw_ctx_binding_state *cbs,
  192.                             const struct vmw_ctx_bindinfo *ci,
  193.                             u32 shader_slot, u32 slot);
  194. extern void
  195. vmw_binding_state_commit(struct vmw_ctx_binding_state *to,
  196.                          struct vmw_ctx_binding_state *from);
  197. extern void vmw_binding_res_list_kill(struct list_head *head);
  198. extern void vmw_binding_res_list_scrub(struct list_head *head);
  199. extern int vmw_binding_rebind_all(struct vmw_ctx_binding_state *cbs);
  200. extern void vmw_binding_state_kill(struct vmw_ctx_binding_state *cbs);
  201. extern void vmw_binding_state_scrub(struct vmw_ctx_binding_state *cbs);
  202. extern struct vmw_ctx_binding_state *
  203. vmw_binding_state_alloc(struct vmw_private *dev_priv);
  204. extern void vmw_binding_state_free(struct vmw_ctx_binding_state *cbs);
  205. extern struct list_head *
  206. vmw_binding_state_list(struct vmw_ctx_binding_state *cbs);
  207. extern void vmw_binding_state_reset(struct vmw_ctx_binding_state *cbs);
  208.  
  209. #endif
  210.