mirror of
https://github.com/DrBeef/Raze.git
synced 2024-12-16 07:31:04 +00:00
148 lines
4 KiB
C++
148 lines
4 KiB
C++
/*
|
|
** Vulkan backend
|
|
** Copyright (c) 2016-2020 Magnus Norddahl
|
|
**
|
|
** This software is provided 'as-is', without any express or implied
|
|
** warranty. In no event will the authors be held liable for any damages
|
|
** arising from the use of this software.
|
|
**
|
|
** Permission is granted to anyone to use this software for any purpose,
|
|
** including commercial applications, and to alter it and redistribute it
|
|
** freely, subject to the following restrictions:
|
|
**
|
|
** 1. The origin of this software must not be misrepresented; you must not
|
|
** claim that you wrote the original software. If you use this software
|
|
** in a product, an acknowledgment in the product documentation would be
|
|
** appreciated but is not required.
|
|
** 2. Altered source versions must be plainly marked as such, and must not be
|
|
** misrepresented as being the original software.
|
|
** 3. This notice may not be removed or altered from any source distribution.
|
|
**
|
|
*/
|
|
|
|
#include "vk_renderstate.h"
|
|
#include "vulkan/system/vk_framebuffer.h"
|
|
#include "vulkan/system/vk_builders.h"
|
|
#include "vulkan/renderer/vk_streambuffer.h"
|
|
|
|
VkStreamBuffer::VkStreamBuffer(size_t structSize, size_t count)
|
|
{
|
|
mBlockSize = static_cast<uint32_t>((structSize + screen->uniformblockalignment - 1) / screen->uniformblockalignment * screen->uniformblockalignment);
|
|
|
|
UniformBuffer = (VKDataBuffer*)GetVulkanFrameBuffer()->CreateDataBuffer(-1, false, false);
|
|
UniformBuffer->SetData(mBlockSize * count, nullptr, false);
|
|
}
|
|
|
|
VkStreamBuffer::~VkStreamBuffer()
|
|
{
|
|
delete UniformBuffer;
|
|
}
|
|
|
|
uint32_t VkStreamBuffer::NextStreamDataBlock()
|
|
{
|
|
mStreamDataOffset += mBlockSize;
|
|
if (mStreamDataOffset + (size_t)mBlockSize >= UniformBuffer->Size())
|
|
{
|
|
mStreamDataOffset = 0;
|
|
return 0xffffffff;
|
|
}
|
|
return mStreamDataOffset;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
VkStreamBufferWriter::VkStreamBufferWriter()
|
|
{
|
|
mBuffer = GetVulkanFrameBuffer()->StreamBuffer;
|
|
}
|
|
|
|
bool VkStreamBufferWriter::Write(const StreamData& data)
|
|
{
|
|
mDataIndex++;
|
|
if (mDataIndex == MAX_STREAM_DATA)
|
|
{
|
|
mDataIndex = 0;
|
|
mStreamDataOffset = mBuffer->NextStreamDataBlock();
|
|
if (mStreamDataOffset == 0xffffffff)
|
|
return false;
|
|
}
|
|
uint8_t* ptr = (uint8_t*)mBuffer->UniformBuffer->Memory();
|
|
memcpy(ptr + mStreamDataOffset + sizeof(StreamData) * mDataIndex, &data, sizeof(StreamData));
|
|
return true;
|
|
}
|
|
|
|
void VkStreamBufferWriter::Reset()
|
|
{
|
|
mDataIndex = MAX_STREAM_DATA - 1;
|
|
mStreamDataOffset = 0;
|
|
mBuffer->Reset();
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
VkMatrixBufferWriter::VkMatrixBufferWriter()
|
|
{
|
|
mBuffer = GetVulkanFrameBuffer()->MatrixBuffer;
|
|
mIdentityMatrix.loadIdentity();
|
|
}
|
|
|
|
template<typename T>
|
|
static void BufferedSet(bool& modified, T& dst, const T& src)
|
|
{
|
|
if (dst == src)
|
|
return;
|
|
dst = src;
|
|
modified = true;
|
|
}
|
|
|
|
static void BufferedSet(bool& modified, VSMatrix& dst, const VSMatrix& src)
|
|
{
|
|
if (memcmp(dst.get(), src.get(), sizeof(FLOATTYPE) * 16) == 0)
|
|
return;
|
|
dst = src;
|
|
modified = true;
|
|
}
|
|
|
|
bool VkMatrixBufferWriter::Write(const VSMatrix& modelMatrix, bool modelMatrixEnabled, const VSMatrix& textureMatrix, bool textureMatrixEnabled)
|
|
{
|
|
bool modified = (mOffset == 0); // always modified first call
|
|
|
|
if (modelMatrixEnabled)
|
|
{
|
|
BufferedSet(modified, mMatrices.ModelMatrix, modelMatrix);
|
|
if (modified)
|
|
mMatrices.NormalModelMatrix.computeNormalMatrix(modelMatrix);
|
|
}
|
|
else
|
|
{
|
|
BufferedSet(modified, mMatrices.ModelMatrix, mIdentityMatrix);
|
|
BufferedSet(modified, mMatrices.NormalModelMatrix, mIdentityMatrix);
|
|
}
|
|
|
|
if (textureMatrixEnabled)
|
|
{
|
|
BufferedSet(modified, mMatrices.TextureMatrix, textureMatrix);
|
|
}
|
|
else
|
|
{
|
|
BufferedSet(modified, mMatrices.TextureMatrix, mIdentityMatrix);
|
|
}
|
|
|
|
if (modified)
|
|
{
|
|
mOffset = mBuffer->NextStreamDataBlock();
|
|
if (mOffset == 0xffffffff)
|
|
return false;
|
|
|
|
uint8_t* ptr = (uint8_t*)mBuffer->UniformBuffer->Memory();
|
|
memcpy(ptr + mOffset, &mMatrices, sizeof(MatricesUBO));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void VkMatrixBufferWriter::Reset()
|
|
{
|
|
mOffset = 0;
|
|
mBuffer->Reset();
|
|
}
|