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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_buf;
  16
  17         VkQueue queue;
  18         int qfam_idx;
  19
  20         uint8_t deviceUUID[VK_UUID_SIZE];
  21         uint8_t driverUUID[VK_UUID_SIZE];
  22 };
  23
  24 struct vk_image_props
  25 {
  26         uint32_t w;
  27         uint32_t h;
  28         uint32_t depth;
  29
  30         uint32_t num_samples;
  31         uint32_t num_levels;
  32         uint32_t num_layers;
  33
  34         VkFormat format;
  35         VkImageUsageFlagBits usage;
  36         VkImageTiling tiling;
  37
  38         VkImageLayout in_layout;
  39         VkImageLayout end_layout;
  40
  41     bool need_export;
  42 };
  43
  44 struct vk_mem_obj {
  45         VkDeviceMemory mem;
  46         VkDeviceSize mem_sz;
  47         bool dedicated;
  48 };
  49
  50 struct vk_image_obj {
  51         VkImage img;
  52     VkImageView img_view;
  53         struct vk_mem_obj mobj;
  54 };
  55
  56 struct vk_image_att {
  57         struct vk_image_obj obj;
  58         struct vk_image_props props;
  59 };
  60
  61 struct vk_vertex_info
  62 {
  63         int num_verts;
  64         int num_components;
  65
  66         VkPrimitiveTopology topology;
  67 };
  68
  69 struct vk_buf
  70 {
  71         VkBuffer buf;
  72         struct vk_mem_obj mobj;
  73 };
  74
  75 struct vk_renderer
  76 {
  77         VkPipeline pipeline;
  78         VkPipelineLayout pipeline_layout;
  79         VkRenderPass renderpass;
  80         VkShaderModule vs;
  81         VkShaderModule fs;
  82         VkFramebuffer fb;
  83
  84         struct vk_vertex_info vertex_info;
  85 };
  86
  87 struct vk_dims
  88 {
  89         float w;
  90         float h;
  91 };
  92
  93 struct vk_semaphores
  94 {
  95         VkSemaphore frame_ready;
  96         VkSemaphore frame_done;
  97 };
  98
  99 /* context */
 100
 101 bool vk_init_ctx(struct vk_ctx *ctx);
 102 bool vk_init_ctx_for_rendering(struct vk_ctx *ctx);
 103 void vk_cleanup_ctx(struct vk_ctx *ctx);
 104
 105 /* images */
 106
 107 bool
 108 vk_create_image(struct vk_ctx *ctx,
 109                                 struct vk_image_props *props,
 110                                 struct vk_image_obj *img_obj);
 111 void
 112 vk_destroy_image(struct vk_ctx *ctx,
 113                                  struct vk_image_obj *img_obj);
 114
 115
 116 bool
 117 vk_fill_ext_image_props(struct vk_ctx *ctx,
 118                                                 uint32_t w, uint32_t h,
 119                                                 uint32_t depth,
 120                                                 uint32_t num_samples,
 121                                                 uint32_t num_levels,
 122                                                 uint32_t num_layers,
 123                                                 VkFormat format,
 124                                                 VkImageTiling tiling,
 125                                                 VkImageLayout in_layout,
 126                                                 VkImageLayout end_layout,
 127                         bool need_export,
 128                                                 struct vk_image_props *props);
 129
 130 /* buffers */
 131
 132 bool
 133 vk_create_buffer(struct vk_ctx *ctx,
 134                  bool is_external,
 135                                  uint32_t sz,
 136                                  VkBufferUsageFlagBits usage,
 137                                  void *pnext,
 138                                  struct vk_buf *bo);
 139 void
 140 vk_destroy_buffer(struct vk_ctx *ctx,
 141                                   struct vk_buf *bo);
 142 bool
 143 vk_update_buffer_data(struct vk_ctx *ctx,
 144                                           void *data,
 145                                           uint32_t data_sz,
 146                                           struct vk_buf *bo);
 147
 148 bool
 149 vk_create_ext_buffer(struct vk_ctx *ctx,
 150                      uint32_t sz,
 151                      VkBufferUsageFlagBits usage,
 152                      struct vk_buf *bo);
 153
 154
 155 /* semaphores */
 156
 157 bool
 158 vk_create_semaphores(struct vk_ctx *ctx,
 159                                          struct vk_semaphores *semaphores);
 160 void
 161 vk_destroy_semaphores(struct vk_ctx *ctx,
 162                                           struct vk_semaphores *semaphores);
 163
 164 /* renderer */
 165
 166 bool
 167 vk_create_renderer(struct vk_ctx *ctx,
 168                                    const char *vs_src,
 169                                    unsigned int vs_size,
 170                                    const char *fs_src,
 171                                    unsigned int fs_size,
 172                                    bool enable_depth,
 173                                    bool enable_stencil,
 174                                    struct vk_image_att *color_att,
 175                                    struct vk_image_att *depth_att,
 176                                    struct vk_vertex_info *vert_info,
 177                                    struct vk_renderer *renderer);
 178
 179 void
 180 vk_destroy_renderer(struct vk_ctx *ctx,
 181                                         struct vk_renderer *pipeline);
 182
 183 /* draw */
 184
 185 void
 186 vk_draw(struct vk_ctx *ctx,
 187                 struct vk_buf *vbo,
 188                 struct vk_renderer *renderer,
 189                 float *vk_fb_color,
 190                 uint32_t vk_fb_color_count,
 191                 struct vk_semaphores *semaphores,
 192                 struct vk_image_att *attachments,
 193                 uint32_t n_attachments,
 194                 float x, float y, float w, float h);
 195
 196 void
 197 vk_clear_color(struct vk_ctx *ctx,
 198                struct vk_buf *vbo,
 199                struct vk_renderer *renderer,
 200                float *vk_fb_color,
 201                uint32_t vk_fb_color_count,
 202                struct vk_semaphores *semaphores,
 203                bool has_wait, bool has_signal,
 204                struct vk_image_att *attachments,
 205                uint32_t n_attachments,
 206                float x, float y, float w, float h);
 207
 208 /* transitions */
 209
 210 void
 211 vk_copy_image_to_buffer(struct vk_ctx *ctx,
 212                                                 struct vk_image_att *src_img,
 213                                                 struct vk_buf *dst_bo,
 214                                                 float w, float h);
 215
 216 void
 217 vk_transition_image_layout(struct vk_image_att *img_att,
 218                            VkCommandBuffer cmd_buf,
 219                            VkImageLayout old_layout,
 220                            VkImageLayout new_layout,
 221                            uint32_t src_queue_family_index,
 222                            uint32_t dst_queue_family_index);
 223
 224 #endif /* VK_H */