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_action {
  41    ILO_RENDER_DRAW,
  42    ILO_RENDER_FLUSH,
  43    ILO_RENDER_QUERY,
  44    ILO_RENDER_RECTLIST,
  45 };
  46
  47 /**
  48  * Render Engine.
  49  */
  50 struct ilo_render {
  51    const struct ilo_dev_info *dev;
  52    struct ilo_builder *builder;
  53
  54    struct intel_bo *workaround_bo;
  55
  56    uint32_t packed_sample_position_1x;
  57    uint32_t packed_sample_position_4x;
  58    uint32_t packed_sample_position_8x[2];
  59
  60    int (*estimate_size)(struct ilo_render *render,
  61                         enum ilo_render_action action,
  62                         const void *arg);
  63
  64    void (*emit_draw)(struct ilo_render *render,
  65                      const struct ilo_state_vector *vec);
  66
  67    void (*emit_flush)(struct ilo_render *render);
  68
  69    void (*emit_query)(struct ilo_render *render,
  70                       struct ilo_query *q, uint32_t offset);
  71
  72    void (*emit_rectlist)(struct ilo_render *render,
  73                          const struct ilo_blitter *blitter);
  74
  75    bool hw_ctx_changed;
  76
  77    /*
  78     * Any state that involves resources needs to be re-emitted when the
  79     * batch bo changed.  This is because we do not pin the resources and
  80     * their offsets (or existence) may change between batch buffers.
  81     */
  82    bool batch_bo_changed;
  83    bool state_bo_changed;
  84    bool instruction_bo_changed;
  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  * Estimate the size of an action.
 156  */
 157 static inline int
 158 ilo_render_estimate_size(struct ilo_render *render,
 159                          enum ilo_render_action action,
 160                          const void *arg)
 161 {
 162    return render->estimate_size(render, action, arg);
 163 }
 164
 165 /**
 166  * Emit context states and 3DPRIMITIVE.
 167  */
 168 static inline void
 169 ilo_render_emit_draw(struct ilo_render *render,
 170                      const struct ilo_state_vector *vec)
 171 {
 172    render->emit_draw(render, vec);
 173 }
 174
 175 /**
 176  * Emit PIPE_CONTROL to flush all caches.
 177  */
 178 static inline void
 179 ilo_render_emit_flush(struct ilo_render *render)
 180 {
 181    render->emit_flush(render);
 182 }
 183
 184 /**
 185  * Emit PIPE_CONTROL or MI_STORE_REGISTER_MEM to save register values.
 186  */
 187 static inline void
 188 ilo_render_emit_query(struct ilo_render *render,
 189                       struct ilo_query *q, uint32_t offset)
 190 {
 191    render->emit_query(render, q, offset);
 192 }
 193
 194 static inline void
 195 ilo_render_emit_rectlist(struct ilo_render *render,
 196                          const struct ilo_blitter *blitter)
 197 {
 198    render->emit_rectlist(render, blitter);
 199 }
 200
 201 void
 202 ilo_render_get_sample_position(const struct ilo_render *render,
 203                                unsigned sample_count,
 204                                unsigned sample_index,
 205                                float *x, float *y);
 206
 207 void
 208 ilo_render_invalidate_hw(struct ilo_render *render);
 209
 210 void
 211 ilo_render_invalidate_builder(struct ilo_render *render);
 212
 213 #endif /* ILO_RENDER_H */