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OGL-StreamBuffer: move alignment to caller

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Only the caller know if alignment is needed at all, so it can be skipped now.
This commit is contained in:
degasus 2014-06-05 11:25:57 +02:00
commit 606e46ba8d
2 changed files with 17 additions and 20 deletions
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24
Source/Core/VideoBackends/OGL/StreamBuffer.cpp
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@ -116,14 +116,6 @@ void StreamBuffer::AllocMemory(size_t size)
}
}
void StreamBuffer::Align(u32 stride)
{
if (m_iterator && stride) {
m_iterator--;
m_iterator = m_iterator - (m_iterator % stride) + stride;
}
}
/* The usual way to stream data to the gpu.
* Described here: https://www.opengl.org/wiki/Buffer_Object_Streaming#Unsynchronized_buffer_mapping
* Just do unsync appends until the buffer is full.
@ -142,8 +134,7 @@ public:
~MapAndOrphan() {
}
std::pair<u8*, size_t> Map(size_t size, u32 stride) override {
Align(stride);
std::pair<u8*, size_t> Map(size_t size) override {
if (m_iterator + size >= m_size) {
glBufferData(m_buffertype, m_size, nullptr, GL_STREAM_DRAW);
m_iterator = 0;
@ -180,8 +171,7 @@ public:
DeleteFences();
}
std::pair<u8*, size_t> Map(size_t size, u32 stride) override {
Align(stride);
std::pair<u8*, size_t> Map(size_t size) override {
AllocMemory(size);
u8* pointer = (u8*)glMapBufferRange(m_buffertype, m_iterator, size,
GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT | GL_MAP_UNSYNCHRONIZED_BIT);
@ -230,8 +220,7 @@ public:
glBindBuffer(m_buffertype, 0);
}
std::pair<u8*, size_t> Map(size_t size, u32 stride) override {
Align(stride);
std::pair<u8*, size_t> Map(size_t size) override {
AllocMemory(size);
return std::make_pair(m_pointer + m_iterator, m_iterator);
}
@ -271,8 +260,7 @@ public:
m_pointer = nullptr;
}
std::pair<u8*, size_t> Map(size_t size, u32 stride) override {
Align(stride);
std::pair<u8*, size_t> Map(size_t size) override {
AllocMemory(size);
return std::make_pair(m_pointer + m_iterator, m_iterator);
}
@ -303,7 +291,7 @@ public:
delete [] m_pointer;
}
std::pair<u8*, size_t> Map(size_t size, u32 stride) override {
std::pair<u8*, size_t> Map(size_t size) override {
return std::make_pair(m_pointer, 0);
}
@ -331,7 +319,7 @@ public:
delete [] m_pointer;
}
std::pair<u8*, size_t> Map(size_t size, u32 stride) override {
std::pair<u8*, size_t> Map(size_t size) override {
return std::make_pair(m_pointer, 0);
}