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/*
* Copyright 2014, 2015 Red Hat.
*
* 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
* on 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 AUTHOR(S) AND/OR THEIR 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 VIRGL_WINSYS_H
#define VIRGL_WINSYS_H
#include "pipe/p_defines.h"
#include "virgl_hw.h"
struct pipe_box;
struct pipe_fence_handle;
struct winsys_handle;
struct virgl_hw_res;
#define VIRGL_MAX_CMDBUF_DWORDS (16*1024)
struct virgl_drm_caps {
union virgl_caps caps;
};
struct virgl_cmd_buf {
unsigned cdw;
uint32_t *buf;
};
struct virgl_winsys {
unsigned pci_id;
void (*destroy)(struct virgl_winsys *vws);
int (*transfer_put)(struct virgl_winsys *vws,
struct virgl_hw_res *res,
const struct pipe_box *box,
uint32_t stride, uint32_t layer_stride,
uint32_t buf_offset, uint32_t level);
int (*transfer_get)(struct virgl_winsys *vws,
struct virgl_hw_res *res,
const struct pipe_box *box,
uint32_t stride, uint32_t layer_stride,
uint32_t buf_offset, uint32_t level);
struct virgl_hw_res *(*resource_create)(struct virgl_winsys *vws,
enum pipe_texture_target target,
uint32_t format, uint32_t bind,
uint32_t width, uint32_t height,
uint32_t depth, uint32_t array_size,
uint32_t last_level, uint32_t nr_samples,
uint32_t size);
void (*resource_unref)(struct virgl_winsys *vws, struct virgl_hw_res *res);
void *(*resource_map)(struct virgl_winsys *vws, struct virgl_hw_res *res);
void (*resource_wait)(struct virgl_winsys *vws, struct virgl_hw_res *res);
struct virgl_hw_res *(*resource_create_from_handle)(struct virgl_winsys *vws,
struct winsys_handle *whandle);
boolean (*resource_get_handle)(struct virgl_winsys *vws,
struct virgl_hw_res *res,
uint32_t stride,
struct winsys_handle *whandle);
struct virgl_cmd_buf *(*cmd_buf_create)(struct virgl_winsys *ws);
void (*cmd_buf_destroy)(struct virgl_cmd_buf *buf);
void (*emit_res)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf, struct virgl_hw_res *res, boolean write_buffer);
int (*submit_cmd)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf);
boolean (*res_is_referenced)(struct virgl_winsys *vws,
struct virgl_cmd_buf *buf,
struct virgl_hw_res *res);
int (*get_caps)(struct virgl_winsys *vws, struct virgl_drm_caps *caps);
/* fence */
struct pipe_fence_handle *(*cs_create_fence)(struct virgl_winsys *vws);
bool (*fence_wait)(struct virgl_winsys *vws,
struct pipe_fence_handle *fence,
uint64_t timeout);
void (*fence_reference)(struct virgl_winsys *vws,
struct pipe_fence_handle **dst,
struct pipe_fence_handle *src);
/* for sw paths */
void (*flush_frontbuffer)(struct virgl_winsys *vws,
struct virgl_hw_res *res,
unsigned level, unsigned layer,
void *winsys_drawable_handle,
struct pipe_box *sub_box);
};
/* this defaults all newer caps,
* the kernel will overwrite these if newer version is available.
*/
static inline void virgl_ws_fill_new_caps_defaults(struct virgl_drm_caps *caps)
{
caps->caps.v2.min_aliased_point_size = 0.f;
caps->caps.v2.max_aliased_point_size = 255.f;
caps->caps.v2.min_smooth_point_size = 0.f;
caps->caps.v2.max_smooth_point_size = 255.f;
caps->caps.v2.min_aliased_line_width = 0.f;
caps->caps.v2.max_aliased_line_width = 255.f;
caps->caps.v2.min_smooth_line_width = 0.f;
caps->caps.v2.max_smooth_line_width = 255.f;
caps->caps.v2.max_texture_lod_bias = 16.0f;
caps->caps.v2.max_geom_output_vertices = 256;
caps->caps.v2.max_geom_total_output_components = 16384;
caps->caps.v2.max_vertex_outputs = 32;
caps->caps.v2.max_vertex_attribs = 16;
caps->caps.v2.max_shader_patch_varyings = 0;
caps->caps.v2.min_texel_offset = -8;
caps->caps.v2.max_texel_offset = 7;
caps->caps.v2.min_texture_gather_offset = -8;
caps->caps.v2.max_texture_gather_offset = 7;
}
#endif
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