source/backends/vulkan/device_backend.cpp

   1 #include <msp/graphics/vulkancontext_platform.h>
   2 #include "device.h"
   3 #include "device_backend.h"
   4 #include "vulkan.h"
   5
   6 namespace Msp {
   7 namespace GL {
   8
   9 VulkanDevice::VulkanDevice(Graphics::Window &wnd, const Graphics::VulkanOptions &opts):
  10         context(wnd, opts),
  11         device(handle_cast<VkDevice>(context.get_private().device)),
  12         graphics_queue(handle_cast<VkQueue>(context.get_private().graphics_queue)),
  13         functions(new VulkanFunctions(context)),
  14         allocator(*static_cast<Device *>(this)),
  15         destroy_queue(*static_cast<Device *>(this)),
  16         synchronizer(*static_cast<Device *>(this)),
  17         transfer_queue(*static_cast<Device *>(this)),
  18         pipeline_cache(*static_cast<Device *>(this))
  19 { }
  20
  21 // Cause the destructor of RefPtr<VulkanFunctions> to be emitted here
  22 VulkanDevice::~VulkanDevice()
  23 { }
  24
  25 Graphics::VulkanOptions VulkanDevice::create_default_options()
  26 {
  27         Graphics::VulkanOptions opts;
  28         opts.enable_geometry_shader = true;
  29 #ifdef DEBUG
  30         opts.enable_validation = true;
  31         opts.enable_debug_report = true;
  32 #endif
  33         return opts;
  34 }
  35
  36 void VulkanDevice::fill_info()
  37 {
  38         DeviceInfo &info = static_cast<Device *>(this)->info;
  39
  40         VkPhysicalDeviceProperties props;
  41         functions->GetPhysicalDeviceProperties(props);
  42
  43         info.api_version.major = (props.apiVersion>>22)&0x7F;
  44         info.api_version.minor = (props.apiVersion>>12)&0x3FF;
  45
  46         DeviceLimits &limits = info.limits;
  47         limits.max_clip_planes = props.limits.maxClipDistances;
  48         limits.max_vertex_attributes = props.limits.maxVertexInputAttributes;
  49         limits.max_texture_bindings = props.limits.maxDescriptorSetSampledImages;
  50         limits.max_color_attachments = props.limits.maxColorAttachments;
  51         unsigned samples = props.limits.framebufferColorSampleCounts&props.limits.framebufferDepthSampleCounts&props.limits.framebufferStencilSampleCounts;
  52         if(samples&VK_SAMPLE_COUNT_64_BIT)
  53                 limits.max_samples = 64;
  54         else if(samples&VK_SAMPLE_COUNT_32_BIT)
  55                 limits.max_samples = 32;
  56         else if(samples&VK_SAMPLE_COUNT_16_BIT)
  57                 limits.max_samples = 16;
  58         else if(samples&VK_SAMPLE_COUNT_8_BIT)
  59                 limits.max_samples = 8;
  60         limits.max_uniform_bindings = props.limits.maxDescriptorSetUniformBuffers;
  61         limits.uniform_buffer_alignment = props.limits.minUniformBufferOffsetAlignment;
  62         limits.max_anisotropy = props.limits.maxSamplerAnisotropy;
  63
  64         info.glsl_features = SL::Features::from_api_version(info.api, info.api_version);
  65 }
  66
  67 } // namespace GL
  68 } // namespace Msp