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_state {
  66    struct pipe_vertex_element states[PIPE_MAX_ATTRIBS];
  67    unsigned count;
  68 };
  69
  70 struct ilo_so_state {
  71    struct pipe_stream_output_target *states[ILO_MAX_SO_BUFFERS];
  72    unsigned count;
  73    unsigned append_bitmask;
  74
  75    bool enabled;
  76 };
  77
  78 struct ilo_viewport_cso {
  79    /* matrix form */
  80    float m00, m11, m22, m30, m31, m32;
  81
  82    /* guardband in NDC space */
  83    float min_gbx, min_gby, max_gbx, max_gby;
  84
  85    /* viewport in screen space */
  86    float min_x, min_y, min_z;
  87    float max_x, max_y, max_z;
  88 };
  89
  90 struct ilo_viewport_state {
  91    struct ilo_viewport_cso cso[ILO_MAX_VIEWPORTS];
  92    unsigned count;
  93
  94    struct pipe_viewport_state viewport0;
  95 };
  96
  97 struct ilo_scissor_state {
  98    /* SCISSOR_RECT */
  99    uint32_t payload[ILO_MAX_VIEWPORTS * 2];
 100 };
 101
 102 struct ilo_rasterizer_state {
 103    struct pipe_rasterizer_state state;
 104 };
 105
 106 struct ilo_dsa_state {
 107    struct pipe_depth_stencil_alpha_state state;
 108 };
 109
 110 struct ilo_blend_cso {
 111    /* BLEND_STATE */
 112    uint32_t payload[2];
 113
 114    uint32_t dw_blend;
 115    uint32_t dw_blend_dst_alpha_forced_one;
 116
 117    uint32_t dw_logicop;
 118    uint32_t dw_alpha_mod;
 119 };
 120
 121 struct ilo_blend_state {
 122    struct ilo_blend_cso cso[ILO_MAX_DRAW_BUFFERS];
 123
 124    bool independent_blend_enable;
 125    bool dual_blend;
 126    bool alpha_to_coverage;
 127 };
 128
 129 struct ilo_sampler_cso {
 130    /* SAMPLER_STATE and SAMPLER_BORDER_COLOR_STATE */
 131    uint32_t payload[15];
 132
 133    uint32_t dw_filter;
 134    uint32_t dw_filter_aniso;
 135    uint32_t dw_wrap;
 136    uint32_t dw_wrap_1d;
 137    uint32_t dw_wrap_cube;
 138
 139    bool anisotropic;
 140    bool saturate_r;
 141    bool saturate_s;
 142    bool saturate_t;
 143 };
 144
 145 struct ilo_sampler_state {
 146    const struct ilo_sampler_cso *cso[ILO_MAX_SAMPLERS];
 147    unsigned count;
 148 };
 149
 150 struct ilo_view_state {
 151    struct pipe_sampler_view *states[ILO_MAX_SAMPLER_VIEWS];
 152    unsigned count;
 153 };
 154
 155 struct ilo_cbuf_state {
 156    struct pipe_constant_buffer states[ILO_MAX_CONST_BUFFERS];
 157    unsigned count;
 158 };
 159
 160 struct ilo_resource_state {
 161    struct pipe_surface *states[PIPE_MAX_SHADER_RESOURCES];
 162    unsigned count;
 163 };
 164
 165 struct ilo_fb_state {
 166    struct pipe_framebuffer_state state;
 167
 168    unsigned num_samples;
 169 };
 170
 171 struct ilo_global_binding {
 172    /*
 173     * XXX These should not be treated as real resources (and there could be
 174     * thousands of them).  They should be treated as regions in GLOBAL
 175     * resource, which is the only real resource.
 176     *
 177     * That is, a resource here should instead be
 178     *
 179     *   struct ilo_global_region {
 180     *     struct pipe_resource base;
 181     *     int offset;
 182     *     int size;
 183     *   };
 184     *
 185     * and it describes the region [offset, offset + size) in GLOBAL
 186     * resource.
 187     */
 188    struct pipe_resource *resources[PIPE_MAX_SHADER_RESOURCES];
 189    uint32_t *handles[PIPE_MAX_SHADER_RESOURCES];
 190    unsigned count;
 191 };
 192
 193 void
 194 ilo_gpe_set_viewport_cso(const struct ilo_dev_info *dev,
 195                          const struct pipe_viewport_state *state,
 196                          struct ilo_viewport_cso *vp);
 197
 198 void
 199 ilo_gpe_set_scissor(const struct ilo_dev_info *dev,
 200                     unsigned start_slot,
 201                     unsigned num_states,
 202                     const struct pipe_scissor_state *states,
 203                     struct ilo_scissor_state *scissor);
 204
 205 void
 206 ilo_gpe_set_scissor_null(const struct ilo_dev_info *dev,
 207                          struct ilo_scissor_state *scissor);
 208
 209 void
 210 ilo_gpe_init_blend(const struct ilo_dev_info *dev,
 211                    const struct pipe_blend_state *state,
 212                    struct ilo_blend_state *blend);
 213
 214 void
 215 ilo_gpe_init_sampler_cso(const struct ilo_dev_info *dev,
 216                          const struct pipe_sampler_state *state,
 217                          struct ilo_sampler_cso *sampler);
 218
 219 #endif /* ILO_GPE_H */