src/gallium/drivers/ilo/ilo_blitter.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 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_BLITTER_H
  29 #define ILO_BLITTER_H
  30
  31 #include "ilo_common.h"
  32 #include "ilo_state.h"
  33
  34 enum ilo_blitter_uses {
  35    ILO_BLITTER_USE_DSA           = 1 << 0,
  36    ILO_BLITTER_USE_CC            = 1 << 1,
  37    ILO_BLITTER_USE_VIEWPORT      = 1 << 2,
  38    ILO_BLITTER_USE_FB_DEPTH      = 1 << 3,
  39    ILO_BLITTER_USE_FB_STENCIL    = 1 << 4,
  40 };
  41
  42 enum ilo_blitter_rectlist_op {
  43    ILO_BLITTER_RECTLIST_CLEAR_ZS,
  44    ILO_BLITTER_RECTLIST_RESOLVE_Z,
  45    ILO_BLITTER_RECTLIST_RESOLVE_HIZ,
  46 };
  47
  48 struct blitter_context;
  49 struct pipe_resource;
  50 struct pipe_surface;
  51 struct ilo_context;
  52
  53 struct ilo_blitter {
  54    struct ilo_context *ilo;
  55    struct blitter_context *pipe_blitter;
  56
  57    /*
  58     * A minimal context with the goal to send RECTLISTs down the pipeline.
  59     */
  60    enum ilo_blitter_rectlist_op op;
  61    uint32_t uses;
  62
  63    bool initialized;
  64
  65    float vertices[3][2];
  66    struct ilo_ve_state ve;
  67    struct pipe_draw_info draw;
  68
  69    struct ilo_viewport_cso viewport;
  70    struct ilo_dsa_state dsa;
  71
  72    struct {
  73       struct pipe_stencil_ref stencil_ref;
  74       ubyte alpha_ref;
  75       struct pipe_blend_color blend_color;
  76    } cc;
  77
  78    uint32_t depth_clear_value;
  79
  80    struct {
  81       struct ilo_surface_cso dst;
  82       unsigned width, height;
  83       unsigned num_samples;
  84    } fb;
  85 };
  86
  87 struct ilo_blitter *
  88 ilo_blitter_create(struct ilo_context *ilo);
  89
  90 void
  91 ilo_blitter_destroy(struct ilo_blitter *blitter);
  92
  93 bool
  94 ilo_blitter_pipe_blit(struct ilo_blitter *blitter,
  95                       const struct pipe_blit_info *info);
  96
  97 bool
  98 ilo_blitter_pipe_copy_resource(struct ilo_blitter *blitter,
  99                                struct pipe_resource *dst, unsigned dst_level,
 100                                unsigned dst_x, unsigned dst_y, unsigned dst_z,
 101                                struct pipe_resource *src, unsigned src_level,
 102                                const struct pipe_box *src_box);
 103
 104 bool
 105 ilo_blitter_pipe_clear_rt(struct ilo_blitter *blitter,
 106                           struct pipe_surface *rt,
 107                           const union pipe_color_union *color,
 108                           unsigned x, unsigned y,
 109                           unsigned width, unsigned height);
 110
 111 bool
 112 ilo_blitter_pipe_clear_zs(struct ilo_blitter *blitter,
 113                           struct pipe_surface *zs,
 114                           unsigned clear_flags,
 115                           double depth, unsigned stencil,
 116                           unsigned x, unsigned y,
 117                           unsigned width, unsigned height);
 118
 119 bool
 120 ilo_blitter_pipe_clear_fb(struct ilo_blitter *blitter,
 121                           unsigned buffers,
 122                           const union pipe_color_union *color,
 123                           double depth, unsigned stencil);
 124
 125 bool
 126 ilo_blitter_blt_copy_resource(struct ilo_blitter *blitter,
 127                               struct pipe_resource *dst, unsigned dst_level,
 128                               unsigned dst_x, unsigned dst_y, unsigned dst_z,
 129                               struct pipe_resource *src, unsigned src_level,
 130                               const struct pipe_box *src_box);
 131
 132 bool
 133 ilo_blitter_blt_clear_rt(struct ilo_blitter *blitter,
 134                          struct pipe_surface *rt,
 135                          const union pipe_color_union *color,
 136                          unsigned x, unsigned y,
 137                          unsigned width, unsigned height);
 138
 139 bool
 140 ilo_blitter_blt_clear_zs(struct ilo_blitter *blitter,
 141                          struct pipe_surface *zs,
 142                          unsigned clear_flags,
 143                          double depth, unsigned stencil,
 144                          unsigned x, unsigned y,
 145                          unsigned width, unsigned height);
 146
 147 bool
 148 ilo_blitter_rectlist_clear_zs(struct ilo_blitter *blitter,
 149                               struct pipe_surface *zs,
 150                               unsigned clear_flags,
 151                               double depth, unsigned stencil);
 152
 153 void
 154 ilo_blitter_rectlist_resolve_z(struct ilo_blitter *blitter,
 155                                struct pipe_resource *res,
 156                                unsigned level, unsigned slice);
 157
 158 void
 159 ilo_blitter_rectlist_resolve_hiz(struct ilo_blitter *blitter,
 160                                  struct pipe_resource *res,
 161                                  unsigned level, unsigned slice);
 162
 163 #endif /* ILO_BLITTER_H */