Home | History | Annotate | Download | only in virgl 
      1 /*
      2  * Copyright 2014, 2015 Red Hat.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * on the rights to use, copy, modify, merge, publish, distribute, sub
      8  * license, and/or sell copies of the Software, and to permit persons to whom
      9  * the Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  */
     23 #ifndef VIRGL_CONTEXT_H
     24 #define VIRGL_CONTEXT_H
     25 
     26 #include "pipe/p_state.h"
     27 #include "pipe/p_context.h"
     28 #include "util/slab.h"
     29 #include "util/list.h"
     30 
     31 struct pipe_screen;
     32 struct tgsi_token;
     33 struct u_upload_mgr;
     34 struct virgl_cmd_buf;
     35 
     36 struct virgl_sampler_view {
     37    struct pipe_sampler_view base;
     38    uint32_t handle;
     39 };
     40 
     41 struct virgl_so_target {
     42    struct pipe_stream_output_target base;
     43    uint32_t handle;
     44 };
     45 
     46 struct virgl_textures_info {
     47    struct virgl_sampler_view *views[16];
     48    uint32_t enabled_mask;
     49 };
     50 
     51 struct virgl_context {
     52    struct pipe_context base;
     53    struct virgl_cmd_buf *cbuf;
     54 
     55    struct virgl_textures_info samplers[PIPE_SHADER_TYPES];
     56 
     57    struct pipe_framebuffer_state framebuffer;
     58 
     59    struct slab_child_pool texture_transfer_pool;
     60 
     61    struct pipe_index_buffer index_buffer;
     62    struct u_upload_mgr *uploader;
     63 
     64    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
     65    unsigned num_vertex_buffers;
     66    boolean vertex_array_dirty;
     67 
     68    struct virgl_so_target so_targets[PIPE_MAX_SO_BUFFERS];
     69    unsigned num_so_targets;
     70 
     71    struct pipe_resource *ubos[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
     72    int num_transfers;
     73    int num_draws;
     74    struct list_head to_flush_bufs;
     75 
     76    struct primconvert_context *primconvert;
     77    uint32_t hw_sub_ctx_id;
     78 };
     79 
     80 static inline struct virgl_sampler_view *
     81 virgl_sampler_view(struct pipe_sampler_view *view)
     82 {
     83    return (struct virgl_sampler_view *)view;
     84 };
     85 
     86 static inline struct virgl_so_target *
     87 virgl_so_target(struct pipe_stream_output_target *target)
     88 {
     89    return (struct virgl_so_target *)target;
     90 }
     91 
     92 static inline struct virgl_context *virgl_context(struct pipe_context *ctx)
     93 {
     94    return (struct virgl_context *)ctx;
     95 }
     96 
     97 struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
     98                                           void *priv, unsigned flags);
     99 
    100 void virgl_init_blit_functions(struct virgl_context *vctx);
    101 void virgl_init_query_functions(struct virgl_context *vctx);
    102 void virgl_init_so_functions(struct virgl_context *vctx);
    103 
    104 void virgl_transfer_inline_write(struct pipe_context *ctx,
    105                                 struct pipe_resource *res,
    106                                 unsigned level,
    107                                 unsigned usage,
    108                                 const struct pipe_box *box,
    109                                 const void *data,
    110                                 unsigned stride,
    111                                 unsigned layer_stride);
    112 
    113 struct tgsi_token *virgl_tgsi_transform(const struct tgsi_token *tokens_in);
    114 
    115 #endif
    116