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    struct pipe_depth_stencil_alpha_state state;
 117 };
 118
 119 struct ilo_blend_cso {
 120    /* BLEND_STATE */
 121    uint32_t payload[2];
 122
 123    uint32_t dw_blend;
 124    uint32_t dw_blend_dst_alpha_forced_one;
 125
 126    uint32_t dw_logicop;
 127    uint32_t dw_alpha_mod;
 128 };
 129
 130 struct ilo_blend_state {
 131    struct ilo_blend_cso cso[ILO_MAX_DRAW_BUFFERS];
 132
 133    bool independent_blend_enable;
 134    bool dual_blend;
 135    bool alpha_to_coverage;
 136 };
 137
 138 struct ilo_sampler_cso {
 139    /* SAMPLER_STATE and SAMPLER_BORDER_COLOR_STATE */
 140    uint32_t payload[15];
 141
 142    uint32_t dw_filter;
 143    uint32_t dw_filter_aniso;
 144    uint32_t dw_wrap;
 145    uint32_t dw_wrap_1d;
 146    uint32_t dw_wrap_cube;
 147
 148    bool anisotropic;
 149    bool saturate_r;
 150    bool saturate_s;
 151    bool saturate_t;
 152 };
 153
 154 struct ilo_sampler_state {
 155    const struct ilo_sampler_cso *cso[ILO_MAX_SAMPLERS];
 156    unsigned count;
 157 };
 158
 159 struct ilo_view_state {
 160    struct pipe_sampler_view *states[ILO_MAX_SAMPLER_VIEWS];
 161    unsigned count;
 162 };
 163
 164 struct ilo_cbuf_state {
 165    struct pipe_constant_buffer states[ILO_MAX_CONST_BUFFERS];
 166    unsigned count;
 167 };
 168
 169 struct ilo_resource_state {
 170    struct pipe_surface *states[PIPE_MAX_SHADER_RESOURCES];
 171    unsigned count;
 172 };
 173
 174 struct ilo_fb_state {
 175    struct pipe_framebuffer_state state;
 176
 177    unsigned num_samples;
 178 };
 179
 180 struct ilo_global_binding {
 181    /*
 182     * XXX These should not be treated as real resources (and there could be
 183     * thousands of them).  They should be treated as regions in GLOBAL
 184     * resource, which is the only real resource.
 185     *
 186     * That is, a resource here should instead be
 187     *
 188     *   struct ilo_global_region {
 189     *     struct pipe_resource base;
 190     *     int offset;
 191     *     int size;
 192     *   };
 193     *
 194     * and it describes the region [offset, offset + size) in GLOBAL
 195     * resource.
 196     */
 197    struct pipe_resource *resources[PIPE_MAX_SHADER_RESOURCES];
 198    uint32_t *handles[PIPE_MAX_SHADER_RESOURCES];
 199    unsigned count;
 200 };
 201
 202 void
 203 ilo_gpe_init_ve(const struct ilo_dev_info *dev,
 204                 unsigned num_states,
 205                 const struct pipe_vertex_element *states,
 206                 struct ilo_ve_state *ve);
 207
 208 void
 209 ilo_gpe_set_viewport_cso(const struct ilo_dev_info *dev,
 210                          const struct pipe_viewport_state *state,
 211                          struct ilo_viewport_cso *vp);
 212
 213 void
 214 ilo_gpe_set_scissor(const struct ilo_dev_info *dev,
 215                     unsigned start_slot,
 216                     unsigned num_states,
 217                     const struct pipe_scissor_state *states,
 218                     struct ilo_scissor_state *scissor);
 219
 220 void
 221 ilo_gpe_set_scissor_null(const struct ilo_dev_info *dev,
 222                          struct ilo_scissor_state *scissor);
 223
 224 void
 225 ilo_gpe_init_blend(const struct ilo_dev_info *dev,
 226                    const struct pipe_blend_state *state,
 227                    struct ilo_blend_state *blend);
 228
 229 void
 230 ilo_gpe_init_sampler_cso(const struct ilo_dev_info *dev,
 231                          const struct pipe_sampler_state *state,
 232                          struct ilo_sampler_cso *sampler);
 233
 234 #endif /* ILO_GPE_H */