source/backends/vulkan/commands_backend.h

   1 #ifndef MSP_GL_COMMANDS_BACKEND_H_
   2 #define MSP_GL_COMMANDS_BACKEND_H_
   3
   4 #include <vector>
   5 #include "fence.h"
   6 #include "handles.h"
   7 #include "rect.h"
   8
   9 namespace Msp {
  10 namespace GL {
  11
  12 class Batch;
  13 union ClearValue;
  14 class Device;
  15 class Framebuffer;
  16 class PipelineState;
  17 class QueryPool;
  18 class Semaphore;
  19 class SwapChain;
  20
  21 class VulkanCommands
  22 {
  23 protected:
  24         struct CommandBuffers
  25         {
  26                 std::vector<VkCommandBuffer> buffers;
  27                 unsigned next_buffer = 0;
  28         };
  29
  30         struct CommandPool
  31         {
  32                 Device &device;
  33                 VkCommandPool pool = 0;
  34                 CommandBuffers primary;
  35                 CommandBuffers secondary;
  36                 Fence fence;
  37                 bool in_use = false;
  38
  39                 CommandPool(Device &);
  40                 CommandPool(CommandPool &&);
  41                 ~CommandPool();
  42         };
  43
  44         Device &device;
  45         std::vector<CommandPool> command_pools;
  46         unsigned frame_index = 0;
  47         VkCommandBuffer primary_buffer = 0;
  48         VkCommandBuffer pass_buffer = 0;
  49         const PipelineState *pipeline_state = 0;
  50         const PipelineState *last_pipeline = 0;
  51         const Framebuffer *framebuffer = 0;
  52         Rect viewport = Rect::max();
  53         bool fb_is_swapchain = false;
  54         bool discard_fb_contents = false;
  55         std::vector<char> pass_begin_info;
  56
  57         VulkanCommands();
  58         ~VulkanCommands();
  59
  60         void begin_buffer(VkRenderPass);
  61         void begin_render_pass(bool, const ClearValue *);
  62         void end_render_pass();
  63
  64         void begin_frame(unsigned);
  65         void submit_frame();
  66         void submit_frame(Semaphore *, Semaphore *);
  67
  68         void use_pipeline(const PipelineState *);
  69         void clear(const ClearValue *);
  70         void draw(const Batch &);
  71         void draw_instanced(const Batch &, unsigned);
  72         void resolve_multisample(Framebuffer &);
  73
  74         void begin_query(const QueryPool &, unsigned);
  75         void end_query(const QueryPool &, unsigned);
  76 };
  77
  78 using CommandsBackend = VulkanCommands;
  79
  80 } // namespace GL
  81 } // namespace Msp
  82
  83 #endif
  84