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Big buffer refactor

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Replaced RenderBuffer class, replaced AbstractBuffer by Buffer
This commit is contained in:
Jérôme Leclercq
2022-01-23 00:05:08 +01:00
parent 754a0016c7
commit 29786765c6
98 changed files with 699 additions and 1427 deletions
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71
src/Nazara/OpenGLRenderer/OpenGLBuffer.cpp
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@@ -9,34 +9,21 @@
namespace Nz
{
OpenGLBuffer::OpenGLBuffer(OpenGLDevice& device, BufferType type) :
m_type(type)
OpenGLBuffer::OpenGLBuffer(OpenGLDevice& device, BufferType type, UInt64 size, BufferUsageFlags usage, const void* initialData) :
RenderBuffer(device, type, size, usage)
{
if (!m_buffer.Create(device))
throw std::runtime_error("failed to create buffer"); //< TODO: Handle error
}
bool OpenGLBuffer::Fill(const void* data, UInt64 offset, UInt64 size)
{
m_buffer.SubData(GLintptr(offset), GLsizeiptr(size), data);
return true;
}
bool OpenGLBuffer::Initialize(UInt64 size, BufferUsageFlags usage)
{
m_size = size;
m_usage = usage;
throw std::runtime_error("failed to create buffer"); //< TODO: Handle OpenGL error
GL::BufferTarget target;
switch (m_type)
switch (type)
{
case BufferType::Index: target = GL::BufferTarget::ElementArray; break;
case BufferType::Uniform: target = GL::BufferTarget::Uniform; break;
case BufferType::Vertex: target = GL::BufferTarget::Array; break;
default:
throw std::runtime_error("unknown buffer type 0x" + NumberToString(UnderlyingCast(m_type), 16));
throw std::runtime_error("unknown buffer type 0x" + NumberToString(UnderlyingCast(type), 16));
}
GLenum hint = GL_STREAM_COPY;
@@ -49,49 +36,23 @@ namespace Nz
if (usage & BufferUsage::DirectMapping)
hint = GL_DYNAMIC_COPY;
m_buffer.Reset(target, size, nullptr, hint);
m_buffer.Reset(target, size, initialData, hint);
}
bool OpenGLBuffer::Fill(const void* data, UInt64 offset, UInt64 size)
{
m_buffer.SubData(GLintptr(offset), GLsizeiptr(size), data);
return true;
}
UInt64 OpenGLBuffer::GetSize() const
{
return m_size;
}
DataStorage OpenGLBuffer::GetStorage() const
{
return DataStorage::Hardware;
}
void* OpenGLBuffer::Map(BufferAccess access, UInt64 offset, UInt64 size)
void* OpenGLBuffer::Map(UInt64 offset, UInt64 size)
{
GLbitfield accessBit = 0;
switch (access)
{
case BufferAccess::DiscardAndWrite:
accessBit |= GL_MAP_WRITE_BIT;
if (offset == 0 && size == m_size)
accessBit |= GL_MAP_INVALIDATE_BUFFER_BIT;
else
accessBit |= GL_MAP_INVALIDATE_RANGE_BIT;
if (GetUsageFlags() & BufferUsage::Read)
accessBit |= GL_MAP_READ_BIT;
break;
case BufferAccess::ReadOnly:
accessBit |= GL_MAP_READ_BIT;
break;
case BufferAccess::ReadWrite:
accessBit |= GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
break;
case BufferAccess::WriteOnly:
accessBit |= GL_MAP_WRITE_BIT;
break;
default:
break;
}
if (GetUsageFlags() & BufferUsage::Write)
accessBit |= GL_MAP_WRITE_BIT;
return m_buffer.MapRange(offset, size, accessBit);
}