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   1 #ifndef VK_H
   2 #define VK_H
   3
   4 #include <vulkan/vulkan.h>
   5 #include <stdbool.h>
   6
   7 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
   8 struct vk_ctx
   9 {
  10     VkInstance inst;
  11     VkPhysicalDevice pdev;
  12     VkDevice dev;
  13
  14     VkCommandPool cmd_pool;
  15     VkCommandBuffer *cmd_buffers;
  16     uint32_t num_cmd_buffers;
  17
  18     VkQueue queue;
  19     int qfam_idx;
  20
  21     uint8_t deviceUUID[VK_UUID_SIZE];
  22     uint8_t driverUUID[VK_UUID_SIZE];
  23 };
  24
  25 struct vk_cmd_buffer
  26 {
  27     VkCommandBuffer buffer;
  28     VkSubmitInfo submit_info;
  29 };
  30
  31 struct vk_swapchain
  32 {
  33     VkSwapchainKHR swapchain;
  34     VkSurfaceFormatKHR surf_fmt;
  35
  36     /* image properties */
  37     VkFormat image_fmt;
  38     VkExtent2D extent2d;
  39
  40     uint32_t num_atts;
  41     struct vk_attachment *atts;
  42 };
  43
  44 struct vk_att_props
  45 {
  46     uint32_t w;
  47     uint32_t h;
  48     uint32_t depth;
  49
  50     uint32_t num_samples;
  51     uint32_t num_levels;
  52     uint32_t num_layers;
  53
  54     VkFormat format;
  55     VkImageUsageFlagBits usage;
  56     VkImageTiling tiling;
  57
  58     VkImageLayout in_layout;
  59     VkImageLayout end_layout;
  60
  61     bool is_depth;
  62     bool is_swapchain;
  63     bool need_export;
  64 };
  65
  66 struct vk_mem_obj {
  67     VkDeviceMemory mem;
  68     VkDeviceSize mem_sz;
  69
  70     bool dedicated;
  71 };
  72
  73 struct vk_image_obj {
  74     VkImage img;
  75     VkImageView img_view;
  76
  77     struct vk_mem_obj mobj;
  78 };
  79
  80 struct vk_attachment {
  81     struct vk_image_obj obj;
  82     struct vk_att_props props;
  83 };
  84
  85 struct vk_vertex_info
  86 {
  87     int num_verts;
  88     int num_components;
  89
  90     VkPrimitiveTopology topology;
  91 };
  92
  93 struct vk_buf
  94 {
  95     VkBuffer buf;
  96     struct vk_mem_obj mobj;
  97 };
  98
  99 struct vk_renderer
 100 {
 101     VkPipeline pipeline;
 102     VkPipelineLayout pipeline_layout;
 103     VkRenderPass renderpass;
 104     VkShaderModule vs;
 105     VkShaderModule fs;
 106     VkFramebuffer fb;
 107
 108     struct vk_vertex_info vertex_info;
 109 };
 110
 111 struct vk_dims
 112 {
 113     float w;
 114     float h;
 115 };
 116
 117 struct vk_semaphores
 118 {
 119     VkSemaphore frame_ready;
 120     VkSemaphore frame_done;
 121 };
 122
 123 /* context */
 124
 125 bool vk_init_ctx(struct vk_ctx *ctx,
 126                  bool enable_layers);
 127
 128 bool vk_init_ctx_for_rendering(struct vk_ctx *ctx,
 129                                bool enable_cache,
 130                                bool enable_layers);
 131
 132 void vk_cleanup_ctx(struct vk_ctx *ctx,
 133                     bool enable_layers);
 134
 135 /* images */
 136
 137 bool
 138 vk_create_image(struct vk_ctx *ctx,
 139                 struct vk_att_props *props,
 140                 struct vk_image_obj *img_obj);
 141 void
 142 vk_destroy_image(struct vk_ctx *ctx,
 143                  struct vk_image_obj *img_obj);
 144
 145 bool
 146 vk_fill_image_props(struct vk_ctx *ctx,
 147                     uint32_t w, uint32_t h,
 148                     uint32_t depth,
 149                     uint32_t num_samples,
 150                     uint32_t num_levels,
 151                     uint32_t num_layers,
 152                     VkFormat format,
 153                     VkImageTiling tiling,
 154                     VkImageLayout in_layout,
 155                     VkImageLayout end_layout,
 156                     bool is_swapchain,
 157                     bool is_depth,
 158                     bool need_export,
 159                     struct vk_att_props *props);
 160
 161 /* buffers */
 162
 163 bool
 164 vk_create_buffer(struct vk_ctx *ctx,
 165                  bool is_external,
 166                  uint32_t sz,
 167                  VkBufferUsageFlagBits usage,
 168                  void *pnext,
 169                  struct vk_buf *bo);
 170 void
 171 vk_destroy_buffer(struct vk_ctx *ctx,
 172                   struct vk_buf *bo);
 173 bool
 174 vk_update_buffer_data(struct vk_ctx *ctx,
 175                       void *data,
 176                       uint32_t data_sz,
 177                       struct vk_buf *bo);
 178
 179 bool
 180 vk_create_ext_buffer(struct vk_ctx *ctx,
 181                      uint32_t sz,
 182                      VkBufferUsageFlagBits usage,
 183                      struct vk_buf *bo);
 184
 185
 186 /* semaphores and fences */
 187
 188 bool
 189 vk_create_semaphores(struct vk_ctx *ctx,
 190                      bool is_external,
 191                      struct vk_semaphores *semaphores);
 192 void
 193 vk_destroy_semaphores(struct vk_ctx *ctx,
 194                       struct vk_semaphores *semaphores);
 195
 196 bool
 197 vk_create_fences(struct vk_ctx *ctx,
 198                  int num_cmd_buf,
 199                  VkFenceCreateFlagBits flags,
 200                  VkFence *fences);
 201
 202 void
 203 vk_destroy_fences(struct vk_ctx *ctc,
 204                   int num_fences,
 205                   VkFence *fences);
 206
 207 /* renderer */
 208
 209 bool
 210 vk_create_renderer(struct vk_ctx *ctx,
 211                    const char *vs_src,
 212                    unsigned int vs_size,
 213                    const char *fs_src,
 214                    unsigned int fs_size,
 215                    int w, int h,
 216                    uint32_t num_samples,
 217                    bool enable_depth,
 218                    bool enable_stencil,
 219                    int num_color_att,
 220                    struct vk_attachment *color_att,
 221                    struct vk_attachment *depth_att,
 222                    struct vk_vertex_info *vert_info,
 223                    struct vk_renderer *renderer);
 224
 225 void
 226 vk_destroy_renderer(struct vk_ctx *ctx,
 227                     struct vk_renderer *pipeline);
 228
 229 /* draw */
 230 VkCommandBuffer
 231 vk_create_cmd_buffer(struct vk_ctx *ctx);
 232
 233 bool
 234 vk_record_cmd_buffer(struct vk_ctx *ctx,
 235                      VkCommandBuffer cmd_buf,
 236                      struct vk_renderer *renderer,
 237                      struct vk_buf *vbo,
 238                      uint32_t vk_fb_color_count,
 239                      float *vk_fb_color,
 240                      uint32_t num_atts,
 241                      struct vk_attachment *atts,
 242                      float x, float y,
 243                      float w, float h);
 244
 245 void
 246 vk_reset_cmd_buf(struct vk_cmd_buffer *cmd_buf);
 247
 248 void
 249 vk_destroy_cmd_bufs(struct vk_ctx *ctx,
 250                     uint32_t num_buffers,
 251                     VkCommandBuffer *buffers);
 252
 253 void
 254 vk_draw(struct vk_ctx *ctx,
 255         struct vk_semaphores *semaphores,
 256         uint32_t num_buffers,
 257         VkCommandBuffer *cmd_buf);
 258
 259 void
 260 vk_clear_color(struct vk_ctx *ctx,
 261                VkCommandBuffer cmd_buf,
 262                struct vk_buf *vbo,
 263                struct vk_renderer *renderer,
 264                float *vk_fb_color,
 265                uint32_t vk_fb_color_count,
 266                struct vk_semaphores *semaphores,
 267                bool has_wait, bool has_signal,
 268                struct vk_attachment *attachments,
 269                uint32_t n_attachments,
 270                float x, float y, float w, float h);
 271
 272 /* swapchain */
 273
 274 bool
 275 vk_create_swapchain(struct vk_ctx *ctx,
 276                     int width, int height,
 277                     bool vsync,
 278                     VkSurfaceKHR surf,
 279                     struct vk_swapchain *old_swapchain,
 280                     struct vk_swapchain *swapchain);
 281 void
 282 vk_destroy_swapchain(struct vk_ctx *ctx,
 283                      struct vk_swapchain *swapchain);
 284
 285 bool
 286 vk_present_queue(struct vk_swapchain *swapchain,
 287                  VkQueue queue,
 288                  uint32_t image_idx,
 289                  VkSemaphore wait_sema);
 290
 291 /* transitions */
 292
 293 void
 294 vk_copy_image_to_buffer(struct vk_ctx *ctx,
 295                         VkCommandBuffer cmd_buf,
 296                         struct vk_attachment *src_img,
 297                         struct vk_buf *dst_bo,
 298                         float w, float h);
 299
 300 void
 301 vk_transition_image_layout(struct vk_attachment *img_att,
 302                            VkCommandBuffer cmd_buf,
 303                            VkImageLayout old_layout,
 304                            VkImageLayout new_layout,
 305                            uint32_t src_queue_family_index,
 306                            uint32_t dst_queue_family_index);
 307
 308 #endif /* VK_H */