src/gallium/drivers/zink/zink_program.c

   1 /*
   2  * Copyright 2018 Collabora Ltd.
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #include "zink_program.h"
  25
  26 #include "zink_compiler.h"
  27 #include "zink_context.h"
  28 #include "zink_render_pass.h"
  29 #include "zink_screen.h"
  30
  31 #include "util/hash_table.h"
  32 #include "util/set.h"
  33 #include "util/u_debug.h"
  34 #include "util/u_memory.h"
  35 #include "tgsi/tgsi_from_mesa.h"
  36
  37 static VkDescriptorSetLayout
  38 create_desc_set_layout(VkDevice dev,
  39                        struct zink_shader *stages[PIPE_SHADER_TYPES - 1],
  40                        unsigned *num_descriptors)
  41 {
  42    VkDescriptorSetLayoutBinding bindings[PIPE_SHADER_TYPES * PIPE_MAX_CONSTANT_BUFFERS];
  43    int num_bindings = 0;
  44
  45    for (int i = 0; i < PIPE_SHADER_TYPES - 1; i++) {
  46       struct zink_shader *shader = stages[i];
  47       if (!shader)
  48          continue;
  49
  50       VkShaderStageFlagBits stage_flags = zink_shader_stage(i);
  51       for (int j = 0; j < shader->num_bindings; j++) {
  52          assert(num_bindings < ARRAY_SIZE(bindings));
  53          bindings[num_bindings].binding = shader->bindings[j].binding;
  54          bindings[num_bindings].descriptorType = shader->bindings[j].type;
  55          bindings[num_bindings].descriptorCount = 1;
  56          bindings[num_bindings].stageFlags = stage_flags;
  57          bindings[num_bindings].pImmutableSamplers = NULL;
  58          ++num_bindings;
  59       }
  60    }
  61
  62    VkDescriptorSetLayoutCreateInfo dcslci = {};
  63    dcslci.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
  64    dcslci.pNext = NULL;
  65    dcslci.flags = 0;
  66    dcslci.bindingCount = num_bindings;
  67    dcslci.pBindings = bindings;
  68
  69    VkDescriptorSetLayout dsl;
  70    if (vkCreateDescriptorSetLayout(dev, &dcslci, 0, &dsl) != VK_SUCCESS) {
  71       debug_printf("vkCreateDescriptorSetLayout failed\n");
  72       return VK_NULL_HANDLE;
  73    }
  74
  75    *num_descriptors = num_bindings;
  76    return dsl;
  77 }
  78
  79 static VkPipelineLayout
  80 create_pipeline_layout(VkDevice dev, VkDescriptorSetLayout dsl)
  81 {
  82    assert(dsl != VK_NULL_HANDLE);
  83
  84    VkPipelineLayoutCreateInfo plci = {};
  85    plci.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
  86
  87    plci.pSetLayouts = &dsl;
  88    plci.setLayoutCount = 1;
  89
  90    VkPipelineLayout layout;
  91    if (vkCreatePipelineLayout(dev, &plci, NULL, &layout) != VK_SUCCESS) {
  92       debug_printf("vkCreatePipelineLayout failed!\n");
  93       return VK_NULL_HANDLE;
  94    }
  95
  96    return layout;
  97 }
  98
  99 static uint32_t
 100 hash_gfx_pipeline_state(const void *key)
 101 {
 102    return _mesa_hash_data(key, sizeof(struct zink_gfx_pipeline_state));
 103 }
 104
 105 static bool
 106 equals_gfx_pipeline_state(const void *a, const void *b)
 107 {
 108    return memcmp(a, b, sizeof(struct zink_gfx_pipeline_state)) == 0;
 109 }
 110
 111 struct zink_gfx_program *
 112 zink_create_gfx_program(struct zink_screen *screen,
 113                         struct zink_shader *stages[PIPE_SHADER_TYPES - 1])
 114 {
 115    struct zink_gfx_program *prog = CALLOC_STRUCT(zink_gfx_program);
 116    if (!prog)
 117       goto fail;
 118
 119    for (int i = 0; i < ARRAY_SIZE(prog->pipelines); ++i) {
 120       prog->pipelines[i] = _mesa_hash_table_create(NULL,
 121                                                    hash_gfx_pipeline_state,
 122                                                    equals_gfx_pipeline_state);
 123       if (!prog->pipelines[i])
 124          goto fail;
 125    }
 126
 127    for (int i = 0; i < PIPE_SHADER_TYPES - 1; ++i) {
 128       prog->stages[i] = stages[i];
 129       if (stages[i])
 130          _mesa_set_add(stages[i]->programs, prog);
 131    }
 132
 133    prog->dsl = create_desc_set_layout(screen->dev, stages,
 134                                       &prog->num_descriptors);
 135    if (!prog->dsl)
 136       goto fail;
 137
 138    prog->layout = create_pipeline_layout(screen->dev, prog->dsl);
 139    if (!prog->layout)
 140       goto fail;
 141
 142    prog->render_passes = _mesa_set_create(NULL, _mesa_hash_pointer,
 143                                           _mesa_key_pointer_equal);
 144    if (!prog->render_passes)
 145       goto fail;
 146
 147    return prog;
 148
 149 fail:
 150    if (prog)
 151       zink_destroy_gfx_program(screen, prog);
 152    return NULL;
 153 }
 154
 155 void
 156 zink_gfx_program_remove_shader(struct zink_gfx_program *prog, struct zink_shader *shader)
 157 {
 158    enum pipe_shader_type p_stage = pipe_shader_type_from_mesa(shader->info.stage);
 159
 160    assert(prog->stages[p_stage] == shader);
 161    prog->stages[p_stage] = NULL;
 162    _mesa_set_remove_key(shader->programs, prog);
 163 }
 164
 165 void
 166 zink_destroy_gfx_program(struct zink_screen *screen,
 167                          struct zink_gfx_program *prog)
 168 {
 169    if (prog->layout)
 170       vkDestroyPipelineLayout(screen->dev, prog->layout, NULL);
 171
 172    if (prog->dsl)
 173       vkDestroyDescriptorSetLayout(screen->dev, prog->dsl, NULL);
 174
 175    for (int i = 0; i < PIPE_SHADER_TYPES - 1; ++i) {
 176       if (prog->stages[i])
 177          zink_gfx_program_remove_shader(prog, prog->stages[i]);
 178    }
 179
 180    /* unref all used render-passes */
 181    if (prog->render_passes) {
 182       set_foreach(prog->render_passes, entry) {
 183          struct zink_render_pass *pres = (struct zink_render_pass *)entry->key;
 184          zink_render_pass_reference(screen, &pres, NULL);
 185       }
 186       _mesa_set_destroy(prog->render_passes, NULL);
 187    }
 188
 189    FREE(prog);
 190 }
 191
 192 struct pipeline_cache_entry {
 193    struct zink_gfx_pipeline_state state;
 194    VkPipeline pipeline;
 195 };
 196
 197 static VkPrimitiveTopology
 198 primitive_topology(enum pipe_prim_type mode)
 199 {
 200    switch (mode) {
 201    case PIPE_PRIM_POINTS:
 202       return VK_PRIMITIVE_TOPOLOGY_POINT_LIST;
 203
 204    case PIPE_PRIM_LINES:
 205       return VK_PRIMITIVE_TOPOLOGY_LINE_LIST;
 206
 207    case PIPE_PRIM_LINE_STRIP:
 208       return VK_PRIMITIVE_TOPOLOGY_LINE_STRIP;
 209
 210    case PIPE_PRIM_TRIANGLES:
 211       return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
 212
 213    case PIPE_PRIM_TRIANGLE_STRIP:
 214       return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP;
 215
 216    case PIPE_PRIM_TRIANGLE_FAN:
 217       return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN;
 218
 219    default:
 220       unreachable("unexpected enum pipe_prim_type");
 221    }
 222 }
 223
 224 static void
 225 reference_render_pass(struct zink_screen *screen,
 226                       struct zink_gfx_program *prog,
 227                       struct zink_render_pass *render_pass)
 228 {
 229    struct set_entry *entry = _mesa_set_search(prog->render_passes,
 230                                               render_pass);
 231    if (!entry) {
 232       entry = _mesa_set_add(prog->render_passes, render_pass);
 233       pipe_reference(NULL, &render_pass->reference);
 234    }
 235 }
 236
 237 VkPipeline
 238 zink_get_gfx_pipeline(struct zink_screen *screen,
 239                       struct zink_gfx_program *prog,
 240                       struct zink_gfx_pipeline_state *state,
 241                       enum pipe_prim_type mode)
 242 {
 243    assert(mode <= ARRAY_SIZE(prog->pipelines));
 244
 245    /* TODO: use pre-hashed versions to save some time (can re-hash only when
 246       state changes) */
 247    struct hash_entry *entry = _mesa_hash_table_search(prog->pipelines[mode], state);
 248    if (!entry) {
 249       VkPrimitiveTopology vkmode = primitive_topology(mode);
 250       VkPipeline pipeline = zink_create_gfx_pipeline(screen, prog,
 251                                                      state, vkmode);
 252       if (pipeline == VK_NULL_HANDLE)
 253          return VK_NULL_HANDLE;
 254
 255       struct pipeline_cache_entry *pc_entry = CALLOC_STRUCT(pipeline_cache_entry);
 256       if (!pc_entry)
 257          return VK_NULL_HANDLE;
 258
 259       memcpy(&pc_entry->state, state, sizeof(*state));
 260       pc_entry->pipeline = pipeline;
 261
 262       entry = _mesa_hash_table_insert(prog->pipelines[mode], &pc_entry->state, pc_entry);
 263       assert(entry);
 264
 265       reference_render_pass(screen, prog, state->render_pass);
 266    }
 267
 268    return ((struct pipeline_cache_entry *)(entry->data))->pipeline;
 269 }