src/gallium/drivers/ilo/ilo_gpe.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_GPE_H
  29 #define ILO_GPE_H
  30
  31 #include "ilo_common.h"
  32
  33 /**
  34  * \see brw_context.h
  35  */
  36 #define ILO_MAX_DRAW_BUFFERS    8
  37 #define ILO_MAX_CONST_BUFFERS   (1 + 12)
  38 #define ILO_MAX_SAMPLER_VIEWS   16
  39 #define ILO_MAX_SAMPLERS        16
  40 #define ILO_MAX_SO_BINDINGS     64
  41 #define ILO_MAX_SO_BUFFERS      4
  42 #define ILO_MAX_VIEWPORTS       1
  43
  44 #define ILO_MAX_VS_SURFACES        (ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
  45 #define ILO_VS_CONST_SURFACE(i)    (i)
  46 #define ILO_VS_TEXTURE_SURFACE(i)  (ILO_MAX_CONST_BUFFERS  + i)
  47
  48 #define ILO_MAX_GS_SURFACES        (ILO_MAX_SO_BINDINGS)
  49 #define ILO_GS_SO_SURFACE(i)       (i)
  50
  51 #define ILO_MAX_WM_SURFACES        (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
  52 #define ILO_WM_DRAW_SURFACE(i)     (i)
  53 #define ILO_WM_CONST_SURFACE(i)    (ILO_MAX_DRAW_BUFFERS + i)
  54 #define ILO_WM_TEXTURE_SURFACE(i)  (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS  + i)
  55
  56 struct ilo_vb_state {
  57    struct pipe_vertex_buffer states[PIPE_MAX_ATTRIBS];
  58    uint32_t enabled_mask;
  59 };
  60
  61 struct ilo_ib_state {
  62    struct pipe_index_buffer state;
  63 };
  64
  65 struct ilo_ve_cso {
  66    /* VERTEX_ELEMENT_STATE */
  67    uint32_t payload[2];
  68 };
  69
  70 struct ilo_ve_state {
  71    struct ilo_ve_cso cso[PIPE_MAX_ATTRIBS];
  72    unsigned count;
  73
  74    unsigned instance_divisors[PIPE_MAX_ATTRIBS];
  75    unsigned vb_mapping[PIPE_MAX_ATTRIBS];
  76    unsigned vb_count;
  77 };
  78
  79 struct ilo_so_state {
  80    struct pipe_stream_output_target *states[ILO_MAX_SO_BUFFERS];
  81    unsigned count;
  82    unsigned append_bitmask;
  83
  84    bool enabled;
  85 };
  86
  87 struct ilo_viewport_cso {
  88    /* matrix form */
  89    float m00, m11, m22, m30, m31, m32;
  90
  91    /* guardband in NDC space */
  92    float min_gbx, min_gby, max_gbx, max_gby;
  93
  94    /* viewport in screen space */
  95    float min_x, min_y, min_z;
  96    float max_x, max_y, max_z;
  97 };
  98
  99 struct ilo_viewport_state {
 100    struct ilo_viewport_cso cso[ILO_MAX_VIEWPORTS];
 101    unsigned count;
 102
 103    struct pipe_viewport_state viewport0;
 104 };
 105
 106 struct ilo_scissor_state {
 107    /* SCISSOR_RECT */
 108    uint32_t payload[ILO_MAX_VIEWPORTS * 2];
 109 };
 110
 111 struct ilo_rasterizer_state {
 112    struct pipe_rasterizer_state state;
 113 };
 114
 115 struct ilo_dsa_state {
 116    /* DEPTH_STENCIL_STATE */
 117    uint32_t payload[3];
 118
 119    struct pipe_alpha_state alpha;
 120 };
 121
 122 struct ilo_blend_cso {
 123    /* BLEND_STATE */
 124    uint32_t payload[2];
 125
 126    uint32_t dw_blend;
 127    uint32_t dw_blend_dst_alpha_forced_one;
 128
 129    uint32_t dw_logicop;
 130    uint32_t dw_alpha_mod;
 131 };
 132
 133 struct ilo_blend_state {
 134    struct ilo_blend_cso cso[ILO_MAX_DRAW_BUFFERS];
 135
 136    bool independent_blend_enable;
 137    bool dual_blend;
 138    bool alpha_to_coverage;
 139 };
 140
 141 struct ilo_sampler_cso {
 142    /* SAMPLER_STATE and SAMPLER_BORDER_COLOR_STATE */
 143    uint32_t payload[15];
 144
 145    uint32_t dw_filter;
 146    uint32_t dw_filter_aniso;
 147    uint32_t dw_wrap;
 148    uint32_t dw_wrap_1d;
 149    uint32_t dw_wrap_cube;
 150
 151    bool anisotropic;
 152    bool saturate_r;
 153    bool saturate_s;
 154    bool saturate_t;
 155 };
 156
 157 struct ilo_sampler_state {
 158    const struct ilo_sampler_cso *cso[ILO_MAX_SAMPLERS];
 159    unsigned count;
 160 };
 161
 162 struct ilo_view_state {
 163    struct pipe_sampler_view *states[ILO_MAX_SAMPLER_VIEWS];
 164    unsigned count;
 165 };
 166
 167 struct ilo_cbuf_state {
 168    struct pipe_constant_buffer states[ILO_MAX_CONST_BUFFERS];
 169    unsigned count;
 170 };
 171
 172 struct ilo_resource_state {
 173    struct pipe_surface *states[PIPE_MAX_SHADER_RESOURCES];
 174    unsigned count;
 175 };
 176
 177 struct ilo_fb_state {
 178    struct pipe_framebuffer_state state;
 179
 180    unsigned num_samples;
 181 };
 182
 183 struct ilo_global_binding {
 184    /*
 185     * XXX These should not be treated as real resources (and there could be
 186     * thousands of them).  They should be treated as regions in GLOBAL
 187     * resource, which is the only real resource.
 188     *
 189     * That is, a resource here should instead be
 190     *
 191     *   struct ilo_global_region {
 192     *     struct pipe_resource base;
 193     *     int offset;
 194     *     int size;
 195     *   };
 196     *
 197     * and it describes the region [offset, offset + size) in GLOBAL
 198     * resource.
 199     */
 200    struct pipe_resource *resources[PIPE_MAX_SHADER_RESOURCES];
 201    uint32_t *handles[PIPE_MAX_SHADER_RESOURCES];
 202    unsigned count;
 203 };
 204
 205 void
 206 ilo_gpe_init_ve(const struct ilo_dev_info *dev,
 207                 unsigned num_states,
 208                 const struct pipe_vertex_element *states,
 209                 struct ilo_ve_state *ve);
 210
 211 void
 212 ilo_gpe_set_viewport_cso(const struct ilo_dev_info *dev,
 213                          const struct pipe_viewport_state *state,
 214                          struct ilo_viewport_cso *vp);
 215
 216 void
 217 ilo_gpe_set_scissor(const struct ilo_dev_info *dev,
 218                     unsigned start_slot,
 219                     unsigned num_states,
 220                     const struct pipe_scissor_state *states,
 221                     struct ilo_scissor_state *scissor);
 222
 223 void
 224 ilo_gpe_set_scissor_null(const struct ilo_dev_info *dev,
 225                          struct ilo_scissor_state *scissor);
 226
 227 void
 228 ilo_gpe_init_dsa(const struct ilo_dev_info *dev,
 229                  const struct pipe_depth_stencil_alpha_state *state,
 230                  struct ilo_dsa_state *dsa);
 231
 232 void
 233 ilo_gpe_init_blend(const struct ilo_dev_info *dev,
 234                    const struct pipe_blend_state *state,
 235                    struct ilo_blend_state *blend);
 236
 237 void
 238 ilo_gpe_init_sampler_cso(const struct ilo_dev_info *dev,
 239                          const struct pipe_sampler_state *state,
 240                          struct ilo_sampler_cso *sampler);
 241
 242 #endif /* ILO_GPE_H */