src/gallium/drivers/ilo/ilo_render.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_RENDER_H
  29 #define ILO_RENDER_H
  30
  31 #include "ilo_common.h"
  32 #include "ilo_state.h"
  33
  34 struct intel_bo;
  35 struct ilo_blitter;
  36 struct ilo_cp;
  37 struct ilo_query;
  38 struct ilo_state_vector;
  39
  40 enum ilo_render_invalidate_flags {
  41    ILO_RENDER_INVALIDATE_HW         = 1 << 0,
  42    ILO_RENDER_INVALIDATE_BATCH_BO   = 1 << 1,
  43    ILO_RENDER_INVALIDATE_STATE_BO   = 1 << 2,
  44    ILO_RENDER_INVALIDATE_KERNEL_BO  = 1 << 3,
  45
  46    ILO_RENDER_INVALIDATE_ALL        = 0xffffffff,
  47 };
  48
  49 enum ilo_render_action {
  50    ILO_RENDER_DRAW,
  51    ILO_RENDER_FLUSH,
  52    ILO_RENDER_QUERY,
  53    ILO_RENDER_RECTLIST,
  54 };
  55
  56 /**
  57  * Render Engine.
  58  */
  59 struct ilo_render {
  60    const struct ilo_dev_info *dev;
  61    struct ilo_builder *builder;
  62
  63    uint32_t invalidate_flags;
  64
  65    struct intel_bo *workaround_bo;
  66
  67    uint32_t packed_sample_position_1x;
  68    uint32_t packed_sample_position_4x;
  69    uint32_t packed_sample_position_8x[2];
  70
  71    int (*estimate_size)(struct ilo_render *render,
  72                         enum ilo_render_action action,
  73                         const void *arg);
  74
  75    void (*emit_draw)(struct ilo_render *render,
  76                      const struct ilo_state_vector *vec);
  77
  78    void (*emit_flush)(struct ilo_render *render);
  79
  80    void (*emit_query)(struct ilo_render *render,
  81                       struct ilo_query *q, uint32_t offset);
  82
  83    void (*emit_rectlist)(struct ilo_render *render,
  84                          const struct ilo_blitter *blitter);
  85
  86    /**
  87     * HW states.
  88     */
  89    struct ilo_render_state {
  90       /*
  91        * When a WA is needed before some command, we always emit the WA right
  92        * before the command.  Knowing what have already been done since last
  93        * 3DPRIMITIVE allows us to skip some WAs.
  94        */
  95       uint32_t current_pipe_control_dw1;
  96
  97       /*
  98        * When a WA is needed after some command, we may have the WA follow the
  99        * command immediately or defer it.  If this is non-zero, a PIPE_CONTROL
 100        * will be emitted before 3DPRIMITIVE.
 101        */
 102       uint32_t deferred_pipe_control_dw1;
 103
 104       bool primitive_restart;
 105       int reduced_prim;
 106       int so_max_vertices;
 107
 108       uint32_t SF_VIEWPORT;
 109       uint32_t CLIP_VIEWPORT;
 110       uint32_t SF_CLIP_VIEWPORT; /* GEN7+ */
 111       uint32_t CC_VIEWPORT;
 112
 113       uint32_t COLOR_CALC_STATE;
 114       uint32_t BLEND_STATE;
 115       uint32_t DEPTH_STENCIL_STATE;
 116
 117       uint32_t SCISSOR_RECT;
 118
 119       struct {
 120          uint32_t BINDING_TABLE_STATE;
 121          int BINDING_TABLE_STATE_size;
 122          uint32_t SURFACE_STATE[ILO_MAX_VS_SURFACES];
 123          uint32_t SAMPLER_STATE;
 124          uint32_t SAMPLER_BORDER_COLOR_STATE[ILO_MAX_SAMPLERS];
 125          uint32_t PUSH_CONSTANT_BUFFER;
 126          int PUSH_CONSTANT_BUFFER_size;
 127       } vs;
 128
 129       struct {
 130          uint32_t BINDING_TABLE_STATE;
 131          int BINDING_TABLE_STATE_size;
 132          uint32_t SURFACE_STATE[ILO_MAX_GS_SURFACES];
 133          bool active;
 134       } gs;
 135
 136       struct {
 137          uint32_t BINDING_TABLE_STATE;
 138          int BINDING_TABLE_STATE_size;
 139          uint32_t SURFACE_STATE[ILO_MAX_WM_SURFACES];
 140          uint32_t SAMPLER_STATE;
 141          uint32_t SAMPLER_BORDER_COLOR_STATE[ILO_MAX_SAMPLERS];
 142          uint32_t PUSH_CONSTANT_BUFFER;
 143          int PUSH_CONSTANT_BUFFER_size;
 144       } wm;
 145    } state;
 146 };
 147
 148 struct ilo_render *
 149 ilo_render_create(struct ilo_builder *builder);
 150
 151 void
 152 ilo_render_destroy(struct ilo_render *render);
 153
 154
 155 static inline void
 156 ilo_render_invalidate(struct ilo_render *render, uint32_t flags)
 157 {
 158    render->invalidate_flags |= flags;
 159
 160    /* Kernel flushes everything.  Shouldn't we set all bits here? */
 161    render->state.current_pipe_control_dw1 = 0;
 162 }
 163
 164 /**
 165  * Estimate the size of an action.
 166  */
 167 static inline int
 168 ilo_render_estimate_size(struct ilo_render *render,
 169                          enum ilo_render_action action,
 170                          const void *arg)
 171 {
 172    return render->estimate_size(render, action, arg);
 173 }
 174
 175 /**
 176  * Emit context states and 3DPRIMITIVE.
 177  */
 178 static inline void
 179 ilo_render_emit_draw(struct ilo_render *render,
 180                      const struct ilo_state_vector *vec)
 181 {
 182    render->emit_draw(render, vec);
 183 }
 184
 185 /**
 186  * Emit PIPE_CONTROL to flush all caches.
 187  */
 188 static inline void
 189 ilo_render_emit_flush(struct ilo_render *render)
 190 {
 191    render->emit_flush(render);
 192 }
 193
 194 /**
 195  * Emit PIPE_CONTROL or MI_STORE_REGISTER_MEM to save register values.
 196  */
 197 static inline void
 198 ilo_render_emit_query(struct ilo_render *render,
 199                       struct ilo_query *q, uint32_t offset)
 200 {
 201    render->emit_query(render, q, offset);
 202 }
 203
 204 static inline void
 205 ilo_render_emit_rectlist(struct ilo_render *render,
 206                          const struct ilo_blitter *blitter)
 207 {
 208    render->emit_rectlist(render, blitter);
 209 }
 210
 211 void
 212 ilo_render_get_sample_position(struct ilo_render *render,
 213                                unsigned sample_count,
 214                                unsigned sample_index,
 215                                float *x, float *y);
 216
 217 #endif /* ILO_RENDER_H */