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Renderer: Add support for storage buffers

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This commit is contained in:
SirLynix
2022-06-17 20:15:16 +02:00
parent 0978feafbc
commit 093d9d344e
16 changed files with 160 additions and 18 deletions
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29
src/Nazara/OpenGLRenderer/OpenGLShaderBinding.cpp
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@@ -34,7 +34,14 @@ namespace Nz
UInt32 bindingPoint = bindingMappingIt->second;
if constexpr (std::is_same_v<DescriptorType, OpenGLRenderPipelineLayout::TextureDescriptor>)
if constexpr (std::is_same_v<DescriptorType, OpenGLRenderPipelineLayout::StorageBufferDescriptor>)
{
if (bindingInfo.type != ShaderBindingType::StorageBuffer)
throw std::runtime_error("descriptor (set=" + std::to_string(setIndex) + ", binding=" + std::to_string(bindingIndex) + ") is not a storage buffer");
context.BindStorageBuffer(bindingPoint, descriptor.buffer, descriptor.offset, descriptor.size);
}
else if constexpr (std::is_same_v<DescriptorType, OpenGLRenderPipelineLayout::TextureDescriptor>)
{
if (bindingInfo.type != ShaderBindingType::Texture)
throw std::runtime_error("descriptor (set=" + std::to_string(setIndex) + ", binding=" + std::to_string(bindingIndex) + ") is not a texture");
@@ -63,8 +70,24 @@ namespace Nz
std::visit([&](auto&& arg)
{
using T = std::decay_t<decltype(arg)>;
if constexpr (std::is_same_v<T, StorageBufferBinding>)
{
auto& storageDescriptor = m_owner.GetStorageBufferDescriptor(m_poolIndex, m_bindingIndex, binding.bindingIndex);
storageDescriptor.offset = arg.offset;
storageDescriptor.size = arg.range;
if constexpr (std::is_same_v<T, TextureBinding>)
if (OpenGLBuffer* glBuffer = static_cast<OpenGLBuffer*>(arg.buffer))
{
if (glBuffer->GetType() != BufferType::Storage)
throw std::runtime_error("expected storage buffer");
storageDescriptor.buffer = glBuffer->GetBuffer().GetObjectId();
}
else
storageDescriptor.buffer = 0;
}
else if constexpr (std::is_same_v<T, TextureBinding>)
{
auto& textureDescriptor = m_owner.GetTextureDescriptor(m_poolIndex, m_bindingIndex, binding.bindingIndex);
@@ -103,7 +126,7 @@ namespace Nz
uboDescriptor.buffer = 0;
}
else
static_assert(AlwaysFalse<T>::value, "non-exhaustive visitor");
static_assert(AlwaysFalse<T>(), "non-exhaustive visitor");
}, binding.content);
}