/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
* Copyright 2014-2015 VMware, Inc., Palo Alto, CA., USA
*
* 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
*
**************************************************************************/
#ifndef VMW_SO_H
#define VMW_SO_H
enum vmw_view_type {
vmw_view_sr,
vmw_view_rt,
vmw_view_ds,
vmw_view_ua,
vmw_view_max,
};
enum vmw_so_type {
vmw_so_el,
vmw_so_bs,
vmw_so_ds,
vmw_so_rs,
vmw_so_ss,
vmw_so_so,
vmw_so_max,
};
/**
* union vmw_view_destroy - view destruction command body
*
* @rtv: RenderTarget view destruction command body
* @srv: ShaderResource view destruction command body
* @dsv: DepthStencil view destruction command body
* @view_id: A single u32 view id.
*
* The assumption here is that all union members are really represented by a
* single u32 in the command stream. If that's not the case,
* the size of this union will not equal the size of an u32, and the
* assumption is invalid, and we detect that at compile time in the
* vmw_so_build_asserts() function.
*/
union vmw_view_destroy {
struct SVGA3dCmdDXDestroyRenderTargetView rtv;
struct SVGA3dCmdDXDestroyShaderResourceView srv;
struct SVGA3dCmdDXDestroyDepthStencilView dsv;
struct SVGA3dCmdDXDestroyUAView uav;
u32 view_id;
};
/* Map enum vmw_view_type to view destroy command ids*/
extern const u32 vmw_view_destroy_cmds[];
/* Map enum vmw_view_type to SVGACOTableType */
extern const SVGACOTableType vmw_view_cotables[];
/* Map enum vmw_so_type to SVGACOTableType */
extern const SVGACOTableType vmw_so_cotables[];
/*
* vmw_view_cmd_to_type - Return the view type for a create or destroy command
*
* @id: The SVGA3D command id.
*
* For a given view create or destroy command id, return the corresponding
* enum vmw_view_type. If the command is unknown, return vmw_view_max.
* The validity of the simplified calculation is verified in the
* vmw_so_build_asserts() function.
*/
static inline enum vmw_view_type vmw_view_cmd_to_type(u32 id)
{
u32 tmp = (id - SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW) / 2;
if (id == SVGA_3D_CMD_DX_DEFINE_UA_VIEW ||
id == SVGA_3D_CMD_DX_DESTROY_UA_VIEW)
return vmw_view_ua;
if (id == SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW_V2)
return vmw_view_ds;
if (tmp > (u32)vmw_view_ds)
return vmw_view_max;
return (enum vmw_view_type) tmp;
}
/*
* vmw_so_cmd_to_type - Return the state object type for a
* create or destroy command
*
* @id: The SVGA3D command id.
*
* For a given state object create or destroy command id,
* return the corresponding enum vmw_so_type. If the command is uknown,
* return vmw_so_max. We should perhaps optimize this function using
* a similar strategy as vmw_view_cmd_to_type().
*/
static inline enum vmw_so_type vmw_so_cmd_to_type(u32 id)
{
switch (id) {
case SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT:
case SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT:
return vmw_so_el;
case SVGA_3D_CMD_DX_DEFINE_BLEND_STATE:
case SVGA_3D_CMD_DX_DESTROY_BLEND_STATE:
return vmw_so_bs;
case SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE:
case SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE:
return vmw_so_ds;
case SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE:
case SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE_V2:
case SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE:
return vmw_so_rs;
case SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE:
case SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE:
return vmw_so_ss;
case SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT:
case SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT_WITH_MOB:
case SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT:
return vmw_so_so;
default:
break;
}
return vmw_so_max;
}
/*
* View management - vmwgfx_so.c
*/
extern int vmw_view_add(struct vmw_cmdbuf_res_manager *man,
struct vmw_resource *ctx,
struct vmw_resource *srf,
enum vmw_view_type view_type,
u32 user_key,
const void *cmd,
size_t cmd_size,
struct list_head *list);
extern int vmw_view_remove(struct vmw_cmdbuf_res_manager *man,
u32 user_key, enum vmw_view_type view_type,
struct list_head *list,
struct vmw_resource **res_p);
extern void vmw_view_surface_list_destroy(struct vmw_private *dev_priv,
struct list_head *view_list);
extern void vmw_view_cotable_list_destroy(struct vmw_private *dev_priv,
struct list_head *list,
bool readback);
extern struct vmw_resource *vmw_view_srf(struct vmw_resource *res);
extern struct vmw_resource *vmw_view_lookup(struct vmw_cmdbuf_res_manager *man,
enum vmw_view_type view_type,
u32 user_key);
extern u32 vmw_view_dirtying(struct vmw_resource *res);
#endif
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