src/intel/blorp/blorp.h

   1 /*
   2  * Copyright © 2012 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef BLORP_H
  25 #define BLORP_H
  26
  27 #include <stdint.h>
  28 #include <stdbool.h>
  29
  30 #include "isl/isl.h"
  31
  32 struct brw_stage_prog_data;
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 struct blorp_batch;
  39 struct blorp_params;
  40
  41 struct blorp_context {
  42    void *driver_ctx;
  43
  44    const struct isl_device *isl_dev;
  45
  46    const struct brw_compiler *compiler;
  47
  48    struct {
  49       uint32_t tex;
  50       uint32_t rb;
  51       uint32_t vb;
  52    } mocs;
  53
  54    bool (*lookup_shader)(struct blorp_context *blorp,
  55                          const void *key, uint32_t key_size,
  56                          uint32_t *kernel_out, void *prog_data_out);
  57    bool (*upload_shader)(struct blorp_context *blorp,
  58                          const void *key, uint32_t key_size,
  59                          const void *kernel, uint32_t kernel_size,
  60                          const struct brw_stage_prog_data *prog_data,
  61                          uint32_t prog_data_size,
  62                          uint32_t *kernel_out, void *prog_data_out);
  63    void (*exec)(struct blorp_batch *batch, const struct blorp_params *params);
  64 };
  65
  66 void blorp_init(struct blorp_context *blorp, void *driver_ctx,
  67                 struct isl_device *isl_dev);
  68 void blorp_finish(struct blorp_context *blorp);
  69
  70 enum blorp_batch_flags {
  71    /**
  72     * This flag indicates that blorp should *not* re-emit the depth and
  73     * stencil buffer packets.  Instead, the driver guarantees that all depth
  74     * and stencil images passed in will match what is currently set in the
  75     * hardware.
  76     */
  77    BLORP_BATCH_NO_EMIT_DEPTH_STENCIL = (1 << 0),
  78
  79    /* This flag indicates that the blorp call should be predicated. */
  80    BLORP_BATCH_PREDICATE_ENABLE      = (1 << 1),
  81 };
  82
  83 struct blorp_batch {
  84    struct blorp_context *blorp;
  85    void *driver_batch;
  86    enum blorp_batch_flags flags;
  87 };
  88
  89 void blorp_batch_init(struct blorp_context *blorp, struct blorp_batch *batch,
  90                       void *driver_batch, enum blorp_batch_flags flags);
  91 void blorp_batch_finish(struct blorp_batch *batch);
  92
  93 struct blorp_address {
  94    void *buffer;
  95    uint32_t read_domains;
  96    uint32_t write_domain;
  97    uint32_t offset;
  98 };
  99
 100 struct blorp_surf
 101 {
 102    const struct isl_surf *surf;
 103    struct blorp_address addr;
 104
 105    const struct isl_surf *aux_surf;
 106    struct blorp_address aux_addr;
 107    enum isl_aux_usage aux_usage;
 108
 109    union isl_color_value clear_color;
 110 };
 111
 112 void
 113 blorp_blit(struct blorp_batch *batch,
 114            const struct blorp_surf *src_surf,
 115            unsigned src_level, unsigned src_layer,
 116            enum isl_format src_format, struct isl_swizzle src_swizzle,
 117            const struct blorp_surf *dst_surf,
 118            unsigned dst_level, unsigned dst_layer,
 119            enum isl_format dst_format, struct isl_swizzle dst_swizzle,
 120            float src_x0, float src_y0,
 121            float src_x1, float src_y1,
 122            float dst_x0, float dst_y0,
 123            float dst_x1, float dst_y1,
 124            uint32_t filter, bool mirror_x, bool mirror_y);
 125
 126 void
 127 blorp_copy(struct blorp_batch *batch,
 128            const struct blorp_surf *src_surf,
 129            unsigned src_level, unsigned src_layer,
 130            const struct blorp_surf *dst_surf,
 131            unsigned dst_level, unsigned dst_layer,
 132            uint32_t src_x, uint32_t src_y,
 133            uint32_t dst_x, uint32_t dst_y,
 134            uint32_t src_width, uint32_t src_height);
 135
 136 void
 137 blorp_fast_clear(struct blorp_batch *batch,
 138                  const struct blorp_surf *surf, enum isl_format format,
 139                  uint32_t level, uint32_t start_layer, uint32_t num_layers,
 140                  uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1);
 141
 142 void
 143 blorp_clear(struct blorp_batch *batch,
 144             const struct blorp_surf *surf,
 145             enum isl_format format, struct isl_swizzle swizzle,
 146             uint32_t level, uint32_t start_layer, uint32_t num_layers,
 147             uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
 148             union isl_color_value clear_color,
 149             const bool color_write_disable[4]);
 150
 151 void
 152 blorp_clear_depth_stencil(struct blorp_batch *batch,
 153                           const struct blorp_surf *depth,
 154                           const struct blorp_surf *stencil,
 155                           uint32_t level, uint32_t start_layer,
 156                           uint32_t num_layers,
 157                           uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
 158                           bool clear_depth, float depth_value,
 159                           uint8_t stencil_mask, uint8_t stencil_value);
 160 bool
 161 blorp_can_hiz_clear_depth(uint8_t gen, enum isl_format format,
 162                           uint32_t num_samples,
 163                           uint32_t x0, uint32_t y0,
 164                           uint32_t x1, uint32_t y1);
 165
 166 void
 167 blorp_gen8_hiz_clear_attachments(struct blorp_batch *batch,
 168                                  uint32_t num_samples,
 169                                  uint32_t x0, uint32_t y0,
 170                                  uint32_t x1, uint32_t y1,
 171                                  bool clear_depth, bool clear_stencil,
 172                                  uint8_t stencil_value);
 173 void
 174 blorp_clear_attachments(struct blorp_batch *batch,
 175                         uint32_t binding_table_offset,
 176                         enum isl_format depth_format,
 177                         uint32_t num_samples,
 178                         uint32_t start_layer, uint32_t num_layers,
 179                         uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
 180                         bool clear_color, union isl_color_value color_value,
 181                         bool clear_depth, float depth_value,
 182                         uint8_t stencil_mask, uint8_t stencil_value);
 183
 184 enum blorp_fast_clear_op {
 185    BLORP_FAST_CLEAR_OP_NONE = 0,
 186    BLORP_FAST_CLEAR_OP_CLEAR,
 187    BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL,
 188    BLORP_FAST_CLEAR_OP_RESOLVE_FULL,
 189 };
 190
 191 void
 192 blorp_ccs_resolve(struct blorp_batch *batch,
 193                   struct blorp_surf *surf, uint32_t level, uint32_t layer,
 194                   enum isl_format format,
 195                   enum blorp_fast_clear_op resolve_op);
 196
 197 /* Resolves subresources of the image subresource range specified in the
 198  * binding table.
 199  */
 200 void
 201 blorp_ccs_resolve_attachment(struct blorp_batch *batch,
 202                              const uint32_t binding_table_offset,
 203                              struct blorp_surf * const surf,
 204                              const uint32_t level, const uint32_t num_layers,
 205                              const enum isl_format format,
 206                              const enum blorp_fast_clear_op resolve_op);
 207
 208 /**
 209  * For an overview of the HiZ operations, see the following sections of the
 210  * Sandy Bridge PRM, Volume 1, Part2:
 211  *   - 7.5.3.1 Depth Buffer Clear
 212  *   - 7.5.3.2 Depth Buffer Resolve
 213  *   - 7.5.3.3 Hierarchical Depth Buffer Resolve
 214  *
 215  * Of these, two get entered in the resolve map as needing to be done to the
 216  * buffer: depth resolve and hiz resolve.
 217  */
 218 enum blorp_hiz_op {
 219    BLORP_HIZ_OP_NONE,
 220    BLORP_HIZ_OP_DEPTH_CLEAR,
 221    BLORP_HIZ_OP_DEPTH_RESOLVE,
 222    BLORP_HIZ_OP_HIZ_RESOLVE,
 223 };
 224
 225 void
 226 blorp_hiz_op(struct blorp_batch *batch, struct blorp_surf *surf,
 227              uint32_t level, uint32_t start_layer, uint32_t num_layers,
 228              enum blorp_hiz_op op);
 229
 230 #ifdef __cplusplus
 231 } /* end extern "C" */
 232 #endif /* __cplusplus */
 233
 234 #endif /* BLORP_H */