mirror of https://gitee.com/openkylin/linux.git
210 lines
6.7 KiB
C
210 lines
6.7 KiB
C
/**************************************************************************
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*
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* Copyright © 2015 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef _VMWGFX_BINDING_H_
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#define _VMWGFX_BINDING_H_
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#include "device_include/svga3d_reg.h"
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#include <linux/list.h>
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#define VMW_MAX_VIEW_BINDINGS 128
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struct vmw_private;
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struct vmw_ctx_binding_state;
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/*
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* enum vmw_ctx_binding_type - abstract resource to context binding types
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*/
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enum vmw_ctx_binding_type {
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vmw_ctx_binding_shader,
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vmw_ctx_binding_rt,
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vmw_ctx_binding_tex,
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vmw_ctx_binding_cb,
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vmw_ctx_binding_dx_shader,
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vmw_ctx_binding_dx_rt,
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vmw_ctx_binding_sr,
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vmw_ctx_binding_ds,
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vmw_ctx_binding_so,
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vmw_ctx_binding_vb,
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vmw_ctx_binding_ib,
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vmw_ctx_binding_max
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};
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/**
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* struct vmw_ctx_bindinfo - single binding metadata
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*
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* @ctx_list: List head for the context's list of bindings.
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* @res_list: List head for a resource's list of bindings.
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* @ctx: Non-refcounted pointer to the context that owns the binding. NULL
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* indicates no binding present.
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* @res: Non-refcounted pointer to the resource the binding points to. This
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* is typically a surface or a view.
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* @bt: Binding type.
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* @scrubbed: Whether the binding has been scrubbed from the context.
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*/
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struct vmw_ctx_bindinfo {
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struct list_head ctx_list;
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struct list_head res_list;
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struct vmw_resource *ctx;
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struct vmw_resource *res;
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enum vmw_ctx_binding_type bt;
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bool scrubbed;
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};
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/**
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* struct vmw_ctx_bindinfo_tex - texture stage binding metadata
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*
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* @bi: struct vmw_ctx_bindinfo we derive from.
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* @texture_stage: Device data used to reconstruct binding command.
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*/
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struct vmw_ctx_bindinfo_tex {
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struct vmw_ctx_bindinfo bi;
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uint32 texture_stage;
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};
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/**
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* struct vmw_ctx_bindinfo_shader - Shader binding metadata
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*
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* @bi: struct vmw_ctx_bindinfo we derive from.
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* @shader_slot: Device data used to reconstruct binding command.
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*/
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struct vmw_ctx_bindinfo_shader {
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struct vmw_ctx_bindinfo bi;
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SVGA3dShaderType shader_slot;
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};
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/**
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* struct vmw_ctx_bindinfo_cb - Constant buffer binding metadata
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*
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* @bi: struct vmw_ctx_bindinfo we derive from.
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* @shader_slot: Device data used to reconstruct binding command.
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* @offset: Device data used to reconstruct binding command.
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* @size: Device data used to reconstruct binding command.
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* @slot: Device data used to reconstruct binding command.
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*/
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struct vmw_ctx_bindinfo_cb {
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struct vmw_ctx_bindinfo bi;
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SVGA3dShaderType shader_slot;
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uint32 offset;
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uint32 size;
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uint32 slot;
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};
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/**
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* struct vmw_ctx_bindinfo_view - View binding metadata
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*
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* @bi: struct vmw_ctx_bindinfo we derive from.
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* @shader_slot: Device data used to reconstruct binding command.
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* @slot: Device data used to reconstruct binding command.
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*/
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struct vmw_ctx_bindinfo_view {
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struct vmw_ctx_bindinfo bi;
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SVGA3dShaderType shader_slot;
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uint32 slot;
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};
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/**
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* struct vmw_ctx_bindinfo_so - StreamOutput binding metadata
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*
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* @bi: struct vmw_ctx_bindinfo we derive from.
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* @offset: Device data used to reconstruct binding command.
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* @size: Device data used to reconstruct binding command.
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* @slot: Device data used to reconstruct binding command.
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*/
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struct vmw_ctx_bindinfo_so {
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struct vmw_ctx_bindinfo bi;
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uint32 offset;
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uint32 size;
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uint32 slot;
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};
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/**
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* struct vmw_ctx_bindinfo_vb - Vertex buffer binding metadata
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*
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* @bi: struct vmw_ctx_bindinfo we derive from.
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* @offset: Device data used to reconstruct binding command.
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* @stride: Device data used to reconstruct binding command.
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* @slot: Device data used to reconstruct binding command.
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*/
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struct vmw_ctx_bindinfo_vb {
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struct vmw_ctx_bindinfo bi;
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uint32 offset;
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uint32 stride;
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uint32 slot;
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};
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/**
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* struct vmw_ctx_bindinfo_ib - StreamOutput binding metadata
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*
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* @bi: struct vmw_ctx_bindinfo we derive from.
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* @offset: Device data used to reconstruct binding command.
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* @format: Device data used to reconstruct binding command.
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*/
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struct vmw_ctx_bindinfo_ib {
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struct vmw_ctx_bindinfo bi;
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uint32 offset;
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uint32 format;
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};
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/**
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* struct vmw_dx_shader_bindings - per shader type context binding state
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*
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* @shader: The shader binding for this shader type
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* @const_buffer: Const buffer bindings for this shader type.
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* @shader_res: Shader resource view bindings for this shader type.
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* @dirty_sr: Bitmap tracking individual shader resource bindings changes
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* that have not yet been emitted to the device.
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* @dirty: Bitmap tracking per-binding type binding changes that have not
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* yet been emitted to the device.
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*/
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struct vmw_dx_shader_bindings {
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struct vmw_ctx_bindinfo_shader shader;
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struct vmw_ctx_bindinfo_cb const_buffers[SVGA3D_DX_MAX_CONSTBUFFERS];
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struct vmw_ctx_bindinfo_view shader_res[SVGA3D_DX_MAX_SRVIEWS];
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DECLARE_BITMAP(dirty_sr, SVGA3D_DX_MAX_SRVIEWS);
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unsigned long dirty;
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};
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extern void vmw_binding_add(struct vmw_ctx_binding_state *cbs,
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const struct vmw_ctx_bindinfo *ci,
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u32 shader_slot, u32 slot);
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extern void
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vmw_binding_state_commit(struct vmw_ctx_binding_state *to,
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struct vmw_ctx_binding_state *from);
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extern void vmw_binding_res_list_kill(struct list_head *head);
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extern void vmw_binding_res_list_scrub(struct list_head *head);
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extern int vmw_binding_rebind_all(struct vmw_ctx_binding_state *cbs);
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extern void vmw_binding_state_kill(struct vmw_ctx_binding_state *cbs);
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extern void vmw_binding_state_scrub(struct vmw_ctx_binding_state *cbs);
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extern struct vmw_ctx_binding_state *
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vmw_binding_state_alloc(struct vmw_private *dev_priv);
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extern void vmw_binding_state_free(struct vmw_ctx_binding_state *cbs);
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extern struct list_head *
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vmw_binding_state_list(struct vmw_ctx_binding_state *cbs);
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extern void vmw_binding_state_reset(struct vmw_ctx_binding_state *cbs);
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#endif
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