diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_so.h')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_so.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_so.h b/drivers/gpu/drm/vmwgfx/vmwgfx_so.h new file mode 100644 index 000000000000..268738387b5e --- /dev/null +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_so.h @@ -0,0 +1,160 @@ +/************************************************************************** + * Copyright © 2014-2015 VMware, Inc., Palo Alto, CA., USA + * All Rights Reserved. + * + * 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_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; + 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 (tmp > (u32)vmw_view_max) + 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_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_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); +#endif |