src/gallium/drivers/ilo/ilo_context.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2012-2013 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #ifndef ILO_CONTEXT_H
  29 #define ILO_CONTEXT_H
  30
  31 #include "pipe/p_context.h"
  32
  33 #include "ilo_common.h"
  34
  35 /**
  36  * \see brw_context.h
  37  */
  38 #define ILO_MAX_DRAW_BUFFERS    8
  39 #define ILO_MAX_CONST_BUFFERS   1
  40 #define ILO_MAX_SAMPLER_VIEWS   16
  41 #define ILO_MAX_SAMPLERS        16
  42 #define ILO_MAX_SO_BINDINGS     64
  43 #define ILO_MAX_SO_BUFFERS      4
  44
  45 #define ILO_MAX_VS_SURFACES        (ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
  46 #define ILO_VS_CONST_SURFACE(i)    (i)
  47 #define ILO_VS_TEXTURE_SURFACE(i)  (ILO_MAX_CONST_BUFFERS  + i)
  48
  49 #define ILO_MAX_GS_SURFACES        (ILO_MAX_SO_BINDINGS)
  50 #define ILO_GS_SO_SURFACE(i)       (i)
  51
  52 #define ILO_MAX_WM_SURFACES        (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
  53 #define ILO_WM_DRAW_SURFACE(i)     (i)
  54 #define ILO_WM_CONST_SURFACE(i)    (ILO_MAX_DRAW_BUFFERS + i)
  55 #define ILO_WM_TEXTURE_SURFACE(i)  (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS  + i)
  56
  57 struct blitter_context;
  58 struct intel_winsys;
  59 struct intel_bo;
  60 struct ilo_3d;
  61 struct ilo_cp;
  62 struct ilo_screen;
  63 struct ilo_shader_state;
  64
  65 struct ilo_vertex_element {
  66    struct pipe_vertex_element elements[PIPE_MAX_ATTRIBS];
  67    unsigned num_elements;
  68 };
  69
  70 struct ilo_context {
  71    struct pipe_context base;
  72
  73    struct intel_winsys *winsys;
  74    int devid;
  75    int gen;
  76    int gt;
  77
  78    int max_vs_threads;
  79    int max_gs_threads;
  80    int max_wm_threads;
  81    struct {
  82       int size;
  83       int max_vs_entries;
  84       int max_gs_entries;
  85    } urb;
  86
  87    struct ilo_cp *cp;
  88    struct intel_bo *last_cp_bo;
  89
  90    struct ilo_shader_cache *shader_cache;
  91    struct ilo_3d *hw3d;
  92    struct blitter_context *blitter;
  93
  94    uint32_t dirty;
  95
  96    struct pipe_blend_state *blend;
  97    struct pipe_rasterizer_state *rasterizer;
  98    struct pipe_depth_stencil_alpha_state *depth_stencil_alpha;
  99    struct ilo_shader_state *fs;
 100    struct ilo_shader_state *vs;
 101    struct ilo_shader_state *gs;
 102    struct ilo_vertex_element *vertex_elements;
 103
 104    struct pipe_blend_color blend_color;
 105    struct pipe_stencil_ref stencil_ref;
 106    unsigned sample_mask;
 107    struct pipe_clip_state clip;
 108    struct pipe_framebuffer_state framebuffer;
 109    struct pipe_poly_stipple poly_stipple;
 110    struct pipe_scissor_state scissor;
 111    struct pipe_viewport_state viewport;
 112    struct pipe_index_buffer index_buffer;
 113
 114    struct {
 115       struct pipe_vertex_buffer buffers[PIPE_MAX_ATTRIBS];
 116       unsigned num_buffers;
 117    } vertex_buffers;
 118
 119    struct {
 120       struct pipe_sampler_state *samplers[ILO_MAX_SAMPLERS];
 121       unsigned num_samplers;
 122    } samplers[PIPE_SHADER_TYPES];
 123
 124    struct {
 125       struct pipe_sampler_view *views[ILO_MAX_SAMPLER_VIEWS];
 126       unsigned num_views;
 127    } sampler_views[PIPE_SHADER_TYPES];
 128
 129    struct {
 130       struct pipe_constant_buffer buffers[ILO_MAX_CONST_BUFFERS];
 131       unsigned num_buffers;
 132    } constant_buffers[PIPE_SHADER_TYPES];
 133
 134    struct {
 135       struct pipe_stream_output_target *targets[ILO_MAX_SO_BUFFERS];
 136       unsigned num_targets;
 137       unsigned append_bitmask;
 138    } stream_output_targets;
 139
 140    struct {
 141       struct pipe_surface *surfaces[PIPE_MAX_SHADER_RESOURCES];
 142       unsigned num_surfaces;
 143    } shader_resources;
 144
 145    struct ilo_shader_state *compute;
 146
 147    struct {
 148       struct pipe_surface *surfaces[PIPE_MAX_SHADER_RESOURCES];
 149       unsigned num_surfaces;
 150    } compute_resources;
 151
 152    struct {
 153       /*
 154        * XXX These should not be treated as real resources (and there could be
 155        * thousands of them).  They should be treated as regions in GLOBAL
 156        * resource, which is the only real resource.
 157        *
 158        * That is, a resource here should instead be
 159        *
 160        *   struct ilo_global_region {
 161        *     struct pipe_resource base;
 162        *     int offset;
 163        *     int size;
 164        *   };
 165        *
 166        * and it describes the region [offset, offset + size) in GLOBAL
 167        * resource.
 168        */
 169       struct pipe_resource *resources[PIPE_MAX_SHADER_RESOURCES];
 170       uint32_t *handles[PIPE_MAX_SHADER_RESOURCES];
 171       unsigned num_resources;
 172    } global_binding;
 173 };
 174
 175 static inline struct ilo_context *
 176 ilo_context(struct pipe_context *pipe)
 177 {
 178    return (struct ilo_context *) pipe;
 179 }
 180
 181 void
 182 ilo_init_context_functions(struct ilo_screen *is);
 183
 184 #endif /* ILO_CONTEXT_H */