src/gallium/drivers/ilo/core/ilo_state_3d.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2012-2014 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_STATE_3D_H
  29 #define ILO_STATE_3D_H
  30
  31 #include "genhw/genhw.h"
  32 #include "pipe/p_state.h"
  33
  34 #include "ilo_core.h"
  35 #include "ilo_dev.h"
  36 #include "ilo_state_surface.h"
  37 #include "ilo_state_zs.h"
  38
  39 /**
  40  * \see brw_context.h
  41  */
  42 #define ILO_MAX_DRAW_BUFFERS    8
  43 #define ILO_MAX_CONST_BUFFERS   (1 + 12)
  44 #define ILO_MAX_SAMPLER_VIEWS   16
  45 #define ILO_MAX_SAMPLERS        16
  46 #define ILO_MAX_SO_BINDINGS     64
  47 #define ILO_MAX_SO_BUFFERS      4
  48 #define ILO_MAX_VIEWPORTS       1
  49
  50 #define ILO_MAX_SURFACES        256
  51
  52 struct intel_bo;
  53 struct ilo_buffer;
  54 struct ilo_image;
  55 struct ilo_shader_state;
  56
  57 struct ilo_vb_state {
  58    struct pipe_vertex_buffer states[PIPE_MAX_ATTRIBS];
  59    uint32_t enabled_mask;
  60 };
  61
  62 struct ilo_ib_state {
  63    struct pipe_resource *buffer;
  64    const void *user_buffer;
  65    unsigned offset;
  66    unsigned index_size;
  67
  68    /* these are not valid until the state is finalized */
  69    struct pipe_resource *hw_resource;
  70    unsigned hw_index_size;
  71    /* an offset to be added to pipe_draw_info::start */
  72    int64_t draw_start_offset;
  73 };
  74
  75 struct ilo_so_state {
  76    struct pipe_stream_output_target *states[ILO_MAX_SO_BUFFERS];
  77    unsigned count;
  78    unsigned append_bitmask;
  79
  80    bool enabled;
  81 };
  82
  83 struct ilo_surface_cso {
  84    struct pipe_surface base;
  85
  86    bool is_rt;
  87    union {
  88       struct ilo_state_surface rt;
  89       struct ilo_state_zs zs;
  90    } u;
  91 };
  92
  93 struct ilo_fb_state {
  94    struct pipe_framebuffer_state state;
  95
  96    struct ilo_state_surface null_rt;
  97    struct ilo_state_zs null_zs;
  98
  99    struct ilo_fb_blend_caps {
 100       bool is_unorm;
 101       bool is_integer;
 102       bool force_dst_alpha_one;
 103
 104       bool can_logicop;
 105       bool can_blend;
 106       bool can_alpha_test;
 107    } blend_caps[PIPE_MAX_COLOR_BUFS];
 108
 109    unsigned num_samples;
 110
 111    bool has_integer_rt;
 112    bool has_hiz;
 113    enum gen_depth_format depth_offset_format;
 114 };
 115
 116 struct ilo_shader_cso {
 117    uint32_t payload[5];
 118 };
 119
 120 void
 121 ilo_gpe_init_vs_cso(const struct ilo_dev *dev,
 122                     const struct ilo_shader_state *vs,
 123                     struct ilo_shader_cso *cso);
 124
 125 void
 126 ilo_gpe_init_gs_cso(const struct ilo_dev *dev,
 127                     const struct ilo_shader_state *gs,
 128                     struct ilo_shader_cso *cso);
 129
 130 void
 131 ilo_gpe_init_fs_cso(const struct ilo_dev *dev,
 132                     const struct ilo_shader_state *fs,
 133                     struct ilo_shader_cso *cso);
 134
 135 void
 136 ilo_gpe_set_fb(const struct ilo_dev *dev,
 137                const struct pipe_framebuffer_state *state,
 138                struct ilo_fb_state *fb);
 139
 140 #endif /* ILO_STATE_3D_H */