diff options
Diffstat (limited to 'Graphics/GraphicsEngineVulkan')
| -rw-r--r-- | Graphics/GraphicsEngineVulkan/src/BufferVkImpl.cpp | 46 |
1 files changed, 30 insertions, 16 deletions
diff --git a/Graphics/GraphicsEngineVulkan/src/BufferVkImpl.cpp b/Graphics/GraphicsEngineVulkan/src/BufferVkImpl.cpp index 077b4500..45b7a69e 100644 --- a/Graphics/GraphicsEngineVulkan/src/BufferVkImpl.cpp +++ b/Graphics/GraphicsEngineVulkan/src/BufferVkImpl.cpp @@ -96,27 +96,41 @@ BufferVkImpl::BufferVkImpl(IReferenceCounters* pRefCounters, switch (BindFlag) { - case BIND_UNORDERED_ACCESS: + case BIND_SHADER_RESOURCE: { - // RWStructured and RWByteAddress buffers are mapped to storage buffers in Vulkan. - // RW formatted buffers are mapped to storage texel buffers in Vulkan. - VkBuffCI.usage |= m_Desc.Mode == BUFFER_MODE_FORMATTED ? VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT : VK_BUFFER_USAGE_STORAGE_BUFFER_BIT; - - // Each element of pDynamicOffsets of vkCmdBindDescriptorSets function which corresponds to a descriptor - // binding with type VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC must be a multiple of - // VkPhysicalDeviceLimits::minStorageBufferOffsetAlignment (13.2.5) - m_DynamicOffsetAlignment = std::max(m_DynamicOffsetAlignment, static_cast<Uint32>(DeviceLimits.minTexelBufferOffsetAlignment)); - m_DynamicOffsetAlignment = std::max(m_DynamicOffsetAlignment, static_cast<Uint32>(DeviceLimits.minStorageBufferOffsetAlignment)); + if (m_Desc.Mode == BUFFER_MODE_FORMATTED) + { + // Formatted buffers are mapped to uniform texel buffers in Vulkan. + VkBuffCI.usage |= VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT; + m_DynamicOffsetAlignment = std::max(m_DynamicOffsetAlignment, static_cast<Uint32>(DeviceLimits.minTexelBufferOffsetAlignment)); + } + else + { + // Structured and ByteAddress buffers are mapped to read-only storage buffers in Vulkan. + VkBuffCI.usage |= VK_BUFFER_USAGE_STORAGE_BUFFER_BIT; + m_DynamicOffsetAlignment = std::max(m_DynamicOffsetAlignment, static_cast<Uint32>(DeviceLimits.minStorageBufferOffsetAlignment)); + } + break; } - case BIND_SHADER_RESOURCE: + case BIND_UNORDERED_ACCESS: { - // Structured and ByteAddress buffers are mapped to read-only storage buffers in Vulkan. - // Formatted buffers are mapped to uniform texel buffers in Vulkan. - VkBuffCI.usage |= m_Desc.Mode == BUFFER_MODE_FORMATTED ? VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT : VK_BUFFER_USAGE_STORAGE_BUFFER_BIT; + if (m_Desc.Mode == BUFFER_MODE_FORMATTED) + { + // RW formatted buffers are mapped to storage texel buffers in Vulkan. + VkBuffCI.usage |= VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT; + m_DynamicOffsetAlignment = std::max(m_DynamicOffsetAlignment, static_cast<Uint32>(DeviceLimits.minTexelBufferOffsetAlignment)); + } + else + { + // RWStructured and RWByteAddress buffers are mapped to storage buffers in Vulkan. + VkBuffCI.usage |= VK_BUFFER_USAGE_STORAGE_BUFFER_BIT; + // Each element of pDynamicOffsets of vkCmdBindDescriptorSets function which corresponds to a descriptor + // binding with type VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC must be a multiple of + // VkPhysicalDeviceLimits::minStorageBufferOffsetAlignment (13.2.5) + m_DynamicOffsetAlignment = std::max(m_DynamicOffsetAlignment, static_cast<Uint32>(DeviceLimits.minStorageBufferOffsetAlignment)); + } - m_DynamicOffsetAlignment = std::max(m_DynamicOffsetAlignment, static_cast<Uint32>(DeviceLimits.minTexelBufferOffsetAlignment)); - m_DynamicOffsetAlignment = std::max(m_DynamicOffsetAlignment, static_cast<Uint32>(DeviceLimits.minStorageBufferOffsetAlignment)); break; } case BIND_VERTEX_BUFFER: |