2163 lines
52 KiB
C++
2163 lines
52 KiB
C++
/**
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* @file llvertexbuffer.cpp
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* @brief LLVertexBuffer implementation
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*
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* $LicenseInfo:firstyear=2003&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llfasttimer.h"
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#include "llsys.h"
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#include "llvertexbuffer.h"
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// #include "llrender.h"
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#include "llglheaders.h"
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#include "llrender.h"
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#include "llvector4a.h"
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#include "llshadermgr.h"
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#include "llglslshader.h"
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#include "llmemory.h"
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//Next Highest Power Of Two
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//helper function, returns first number > v that is a power of 2, or v if v is already a power of 2
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U32 nhpo2(U32 v)
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{
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U32 r = 1;
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while (r < v) {
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r *= 2;
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}
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return r;
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}
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//which power of 2 is i?
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//assumes i is a power of 2 > 0
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U32 wpo2(U32 i)
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{
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llassert(i > 0);
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llassert(nhpo2(i) == i);
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U32 r = 0;
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while (i >>= 1) ++r;
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return r;
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}
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struct CompareMappedRegion
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{
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bool operator()(const LLVertexBuffer::MappedRegion& lhs, const LLVertexBuffer::MappedRegion& rhs)
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{
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return lhs.mStart < rhs.mStart;
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}
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};
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const U32 LL_VBO_BLOCK_SIZE = 2048;
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const U32 LL_VBO_POOL_MAX_SEED_SIZE = 256*1024;
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U32 vbo_block_size(U32 size)
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{ //what block size will fit size?
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U32 mod = size % LL_VBO_BLOCK_SIZE;
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return mod == 0 ? size : size + (LL_VBO_BLOCK_SIZE-mod);
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}
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U32 vbo_block_index(U32 size)
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{
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U32 blocks = vbo_block_size(size)/LL_VBO_BLOCK_SIZE; // block count reqd
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llassert(blocks > 0);
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return blocks - 1; // Adj index, i.e. single-block allocations are at index 0, etc
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}
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const U32 LL_VBO_POOL_SEED_COUNT = vbo_block_index(LL_VBO_POOL_MAX_SEED_SIZE) + 1;
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#define ENABLE_GL_WORK_QUEUE 0
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#if ENABLE_GL_WORK_QUEUE
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#define THREAD_COUNT 1
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//============================================================================
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// High performance WorkQueue for usage in real-time rendering work
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class GLWorkQueue
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{
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public:
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using Work = std::function<void()>;
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GLWorkQueue();
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void post(const Work& value);
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size_t size();
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bool done();
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// Get the next element from the queue
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Work pop();
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void runOne();
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bool runPending();
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void runUntilClose();
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void close();
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bool isClosed();
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void syncGL();
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private:
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std::mutex mMutex;
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std::condition_variable mCondition;
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std::queue<Work> mQueue;
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bool mClosed = false;
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};
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GLWorkQueue::GLWorkQueue()
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{
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}
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void GLWorkQueue::syncGL()
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{
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/*if (mSync)
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{
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std::lock_guard<std::mutex> lock(mMutex);
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glWaitSync(mSync, 0, GL_TIMEOUT_IGNORED);
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mSync = 0;
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}*/
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}
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size_t GLWorkQueue::size()
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_THREAD;
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std::lock_guard<std::mutex> lock(mMutex);
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return mQueue.size();
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}
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bool GLWorkQueue::done()
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{
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return size() == 0 && isClosed();
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}
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void GLWorkQueue::post(const GLWorkQueue::Work& value)
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_THREAD;
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{
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std::lock_guard<std::mutex> lock(mMutex);
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mQueue.push(std::move(value));
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}
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mCondition.notify_one();
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}
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// Get the next element from the queue
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GLWorkQueue::Work GLWorkQueue::pop()
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_THREAD;
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// Lock the mutex
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{
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std::unique_lock<std::mutex> lock(mMutex);
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// Wait for a new element to become available or for the queue to close
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{
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mCondition.wait(lock, [=] { return !mQueue.empty() || mClosed; });
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}
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}
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Work ret;
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{
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std::lock_guard<std::mutex> lock(mMutex);
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// Get the next element from the queue
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if (mQueue.size() > 0)
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{
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ret = mQueue.front();
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mQueue.pop();
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}
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else
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{
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ret = []() {};
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}
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}
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return ret;
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}
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void GLWorkQueue::runOne()
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_THREAD;
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Work w = pop();
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w();
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//mSync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
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}
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void GLWorkQueue::runUntilClose()
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{
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while (!isClosed())
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{
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runOne();
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}
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}
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void GLWorkQueue::close()
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_THREAD;
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{
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std::lock_guard<std::mutex> lock(mMutex);
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mClosed = true;
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}
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mCondition.notify_all();
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}
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bool GLWorkQueue::isClosed()
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_THREAD;
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std::lock_guard<std::mutex> lock(mMutex);
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return mClosed;
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}
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#include "llwindow.h"
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class LLGLWorkerThread : public LLThread
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{
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public:
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LLGLWorkerThread(const std::string& name, GLWorkQueue* queue, LLWindow* window)
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: LLThread(name)
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{
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mWindow = window;
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mContext = mWindow->createSharedContext();
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mQueue = queue;
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}
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void run() override
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{
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mWindow->makeContextCurrent(mContext);
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gGL.init(false);
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mQueue->runUntilClose();
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gGL.shutdown();
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mWindow->destroySharedContext(mContext);
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}
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GLWorkQueue* mQueue;
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LLWindow* mWindow;
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void* mContext = nullptr;
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};
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static LLGLWorkerThread* sVBOThread[THREAD_COUNT];
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static GLWorkQueue* sQueue = nullptr;
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#endif
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//============================================================================
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// Pool of reusable VertexBuffer state
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// batch calls to glGenBuffers
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static GLuint gen_buffer()
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
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constexpr U32 pool_size = 4096;
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thread_local static GLuint sNamePool[pool_size];
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thread_local static U32 sIndex = 0;
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if (sIndex == 0)
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{
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LL_PROFILE_ZONE_NAMED_CATEGORY_VERTEX("gen buffer");
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sIndex = pool_size;
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glGenBuffers(pool_size, sNamePool);
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}
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return sNamePool[--sIndex];
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}
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class LLVBOPool
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{
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public:
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typedef std::chrono::steady_clock::time_point Time;
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struct Entry
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{
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U8* mData;
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GLuint mGLName;
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Time mAge;
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};
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~LLVBOPool()
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{
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clear();
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}
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typedef std::unordered_map<U32, std::list<Entry>> Pool;
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Pool mVBOPool;
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Pool mIBOPool;
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U32 mMissCount = 0;
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void allocate(GLenum type, U32 size, GLuint& name, U8*& data)
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
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size = nhpo2(size);
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auto& pool = type == GL_ELEMENT_ARRAY_BUFFER ? mIBOPool : mVBOPool;
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Pool::iterator iter = pool.find(size);
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if (iter == pool.end())
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{ // cache miss, allocate a new buffer
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LL_PROFILE_ZONE_NAMED_CATEGORY_VERTEX("vbo pool miss");
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LL_PROFILE_GPU_ZONE("vbo alloc");
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++mMissCount;
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if (mMissCount > 1024)
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{ //clean cache on every 1024 misses
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mMissCount = 0;
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clean();
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}
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name = gen_buffer();
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glBindBuffer(type, name);
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glBufferData(type, size, nullptr, GL_DYNAMIC_DRAW);
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if (type == GL_ELEMENT_ARRAY_BUFFER)
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{
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LLVertexBuffer::sGLRenderIndices = name;
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}
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else
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{
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LLVertexBuffer::sGLRenderBuffer = name;
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}
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data = (U8*)ll_aligned_malloc_16(size);
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}
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else
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{
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std::list<Entry>& entries = iter->second;
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Entry& entry = entries.back();
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name = entry.mGLName;
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data = entry.mData;
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entries.pop_back();
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if (entries.empty())
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{
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pool.erase(iter);
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}
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}
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}
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void free(GLenum type, U32 size, GLuint name, U8* data)
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{
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size = nhpo2(size);
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auto& pool = type == GL_ELEMENT_ARRAY_BUFFER ? mIBOPool : mVBOPool;
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Pool::iterator iter = pool.find(size);
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if (iter == pool.end())
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{
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std::list<Entry> newlist;
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newlist.push_front({ data, name, std::chrono::steady_clock::now() });
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pool[size] = newlist;
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}
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else
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{
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iter->second.push_front({ data, name, std::chrono::steady_clock::now() });
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}
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}
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void clean()
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
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std::unordered_map<U32, std::list<Entry>>* pools[] = { &mVBOPool, &mIBOPool };
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using namespace std::chrono_literals;
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Time cutoff = std::chrono::steady_clock::now() - 5s;
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for (auto* pool : pools)
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{
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for (Pool::iterator iter = pool->begin(); iter != pool->end(); )
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{
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auto& entries = iter->second;
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while (!entries.empty() && entries.back().mAge < cutoff)
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{
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LL_PROFILE_ZONE_NAMED_CATEGORY_VERTEX("vbo cache timeout");
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auto& entry = entries.back();
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ll_aligned_free_16(entry.mData);
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glDeleteBuffers(1, &entry.mGLName);
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entries.pop_back();
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}
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if (entries.empty())
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{
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iter = pool->erase(iter);
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}
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else
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{
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++iter;
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}
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}
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}
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}
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void clear()
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{
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for (auto& entries : mIBOPool)
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{
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for (auto& entry : entries.second)
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{
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ll_aligned_free_16(entry.mData);
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glDeleteBuffers(1, &entry.mGLName);
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}
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}
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for (auto& entries : mVBOPool)
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{
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for (auto& entry : entries.second)
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{
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ll_aligned_free_16(entry.mData);
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glDeleteBuffers(1, &entry.mGLName);
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}
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}
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mIBOPool.clear();
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mVBOPool.clear();
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}
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};
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static LLVBOPool* sVBOPool = nullptr;
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//============================================================================
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//
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//static
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std::list<U32> LLVertexBuffer::sAvailableVAOName;
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U32 LLVertexBuffer::sCurVAOName = 1;
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U32 LLVertexBuffer::sAllocatedIndexBytes = 0;
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U32 LLVertexBuffer::sIndexCount = 0;
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U32 LLVertexBuffer::sBindCount = 0;
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U32 LLVertexBuffer::sSetCount = 0;
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S32 LLVertexBuffer::sCount = 0;
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S32 LLVertexBuffer::sGLCount = 0;
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S32 LLVertexBuffer::sMappedCount = 0;
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bool LLVertexBuffer::sDisableVBOMapping = false;
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bool LLVertexBuffer::sEnableVBOs = true;
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U32 LLVertexBuffer::sGLRenderBuffer = 0;
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U32 LLVertexBuffer::sGLRenderArray = 0;
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U32 LLVertexBuffer::sGLRenderIndices = 0;
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U32 LLVertexBuffer::sLastMask = 0;
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bool LLVertexBuffer::sVBOActive = false;
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bool LLVertexBuffer::sIBOActive = false;
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U32 LLVertexBuffer::sAllocatedBytes = 0;
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U32 LLVertexBuffer::sVertexCount = 0;
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bool LLVertexBuffer::sMapped = false;
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bool LLVertexBuffer::sUseStreamDraw = true;
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bool LLVertexBuffer::sUseVAO = false;
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bool LLVertexBuffer::sPreferStreamDraw = false;
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//NOTE: each component must be AT LEAST 4 bytes in size to avoid a performance penalty on AMD hardware
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const S32 LLVertexBuffer::sTypeSize[LLVertexBuffer::TYPE_MAX] =
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{
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sizeof(LLVector4), // TYPE_VERTEX,
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sizeof(LLVector4), // TYPE_NORMAL,
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sizeof(LLVector2), // TYPE_TEXCOORD0,
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sizeof(LLVector2), // TYPE_TEXCOORD1,
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sizeof(LLVector2), // TYPE_TEXCOORD2,
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sizeof(LLVector2), // TYPE_TEXCOORD3,
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sizeof(LLColor4U), // TYPE_COLOR,
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sizeof(LLColor4U), // TYPE_EMISSIVE, only alpha is used currently
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sizeof(LLVector4), // TYPE_TANGENT,
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sizeof(F32), // TYPE_WEIGHT,
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sizeof(LLVector4), // TYPE_WEIGHT4,
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sizeof(LLVector4), // TYPE_CLOTHWEIGHT,
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sizeof(LLVector4), // TYPE_TEXTURE_INDEX (actually exists as position.w), no extra data, but stride is 16 bytes
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};
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static const std::string vb_type_name[] =
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{
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"TYPE_VERTEX",
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"TYPE_NORMAL",
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"TYPE_TEXCOORD0",
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"TYPE_TEXCOORD1",
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"TYPE_TEXCOORD2",
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"TYPE_TEXCOORD3",
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"TYPE_COLOR",
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"TYPE_EMISSIVE",
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"TYPE_TANGENT",
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"TYPE_WEIGHT",
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"TYPE_WEIGHT4",
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"TYPE_CLOTHWEIGHT",
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"TYPE_TEXTURE_INDEX",
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"TYPE_MAX",
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"TYPE_INDEX",
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};
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const U32 LLVertexBuffer::sGLMode[LLRender::NUM_MODES] =
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{
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GL_TRIANGLES,
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GL_TRIANGLE_STRIP,
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GL_TRIANGLE_FAN,
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GL_POINTS,
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GL_LINES,
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GL_LINE_STRIP,
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GL_QUADS,
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GL_LINE_LOOP,
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};
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//static
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U32 LLVertexBuffer::getVAOName()
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{
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U32 ret = 0;
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if (!sAvailableVAOName.empty())
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{
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ret = sAvailableVAOName.front();
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sAvailableVAOName.pop_front();
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}
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else
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{
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#ifdef GL_ARB_vertex_array_object
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glGenVertexArrays(1, &ret);
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#endif
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}
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return ret;
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}
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//static
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void LLVertexBuffer::releaseVAOName(U32 name)
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{
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sAvailableVAOName.push_back(name);
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}
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//static
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void LLVertexBuffer::setupClientArrays(U32 data_mask)
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{
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if (sLastMask != data_mask)
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{
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for (U32 i = 0; i < TYPE_MAX; ++i)
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{
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S32 loc = i;
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U32 mask = 1 << i;
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if (sLastMask & (1 << i))
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{ //was enabled
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if (!(data_mask & mask))
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{ //needs to be disabled
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glDisableVertexAttribArray(loc);
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}
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}
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else
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{ //was disabled
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if (data_mask & mask)
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{ //needs to be enabled
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glEnableVertexAttribArray(loc);
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}
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}
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|
}
|
|
|
|
sLastMask = data_mask;
|
|
}
|
|
}
|
|
|
|
//static
|
|
void LLVertexBuffer::drawArrays(U32 mode, const std::vector<LLVector3>& pos)
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
gGL.begin(mode);
|
|
for (auto& v : pos)
|
|
{
|
|
gGL.vertex3fv(v.mV);
|
|
}
|
|
gGL.end();
|
|
gGL.flush();
|
|
}
|
|
|
|
//static
|
|
void LLVertexBuffer::drawElements(U32 mode, const LLVector4a* pos, const LLVector2* tc, S32 num_indices, const U16* indicesp)
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
llassert(LLGLSLShader::sCurBoundShaderPtr != NULL);
|
|
|
|
gGL.syncMatrices();
|
|
|
|
U32 mask = LLVertexBuffer::MAP_VERTEX;
|
|
if (tc)
|
|
{
|
|
mask = mask | LLVertexBuffer::MAP_TEXCOORD0;
|
|
}
|
|
|
|
unbind();
|
|
|
|
gGL.begin(mode);
|
|
|
|
if (tc != nullptr)
|
|
{
|
|
for (int i = 0; i < num_indices; ++i)
|
|
{
|
|
U16 idx = indicesp[i];
|
|
gGL.texCoord2fv(tc[idx].mV);
|
|
gGL.vertex3fv(pos[idx].getF32ptr());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (int i = 0; i < num_indices; ++i)
|
|
{
|
|
U16 idx = indicesp[i];
|
|
gGL.vertex3fv(pos[idx].getF32ptr());
|
|
}
|
|
}
|
|
gGL.end();
|
|
gGL.flush();
|
|
}
|
|
|
|
void LLVertexBuffer::validateRange(U32 start, U32 end, U32 count, U32 indices_offset) const
|
|
{
|
|
llassert(start < (U32)mNumVerts);
|
|
llassert(end < (U32)mNumVerts);
|
|
|
|
if (start >= (U32) mNumVerts ||
|
|
end >= (U32) mNumVerts)
|
|
{
|
|
LL_ERRS() << "Bad vertex buffer draw range: [" << start << ", " << end << "] vs " << mNumVerts << LL_ENDL;
|
|
}
|
|
|
|
llassert(mNumIndices >= 0);
|
|
|
|
if (indices_offset >= (U32) mNumIndices ||
|
|
indices_offset + count > (U32) mNumIndices)
|
|
{
|
|
LL_ERRS() << "Bad index buffer draw range: [" << indices_offset << ", " << indices_offset+count << "]" << LL_ENDL;
|
|
}
|
|
|
|
if (gDebugGL && !useVBOs())
|
|
{
|
|
U16* idx = ((U16*) getIndicesPointer())+indices_offset;
|
|
for (U32 i = 0; i < count; ++i)
|
|
{
|
|
llassert(idx[i] >= start);
|
|
llassert(idx[i] <= end);
|
|
|
|
if (idx[i] < start || idx[i] > end)
|
|
{
|
|
LL_ERRS() << "Index out of range: " << idx[i] << " not in [" << start << ", " << end << "]" << LL_ENDL;
|
|
}
|
|
}
|
|
|
|
LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
|
|
|
|
if (shader && shader->mFeatures.mIndexedTextureChannels > 1)
|
|
{
|
|
LLStrider<LLVector4a> v;
|
|
//hack to get non-const reference
|
|
LLVertexBuffer* vb = (LLVertexBuffer*) this;
|
|
vb->getVertexStrider(v);
|
|
|
|
for (U32 i = start; i < end; i++)
|
|
{
|
|
S32 idx = (S32) (v[i][3]+0.25f);
|
|
llassert(idx >= 0);
|
|
if (idx < 0 || idx >= shader->mFeatures.mIndexedTextureChannels)
|
|
{
|
|
LL_ERRS() << "Bad texture index found in vertex data stream." << LL_ENDL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef LL_PROFILER_ENABLE_RENDER_DOC
|
|
void LLVertexBuffer::setLabel(const char* label) {
|
|
LL_LABEL_OBJECT_GL(GL_BUFFER, mGLBuffer, strlen(label), label);
|
|
}
|
|
#endif
|
|
|
|
void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const
|
|
{
|
|
validateRange(start, end, count, indices_offset);
|
|
gGL.syncMatrices();
|
|
|
|
llassert(mNumVerts >= 0);
|
|
llassert(LLGLSLShader::sCurBoundShaderPtr != NULL);
|
|
|
|
if (mGLIndices != sGLRenderIndices)
|
|
{
|
|
LL_ERRS() << "Wrong index buffer bound." << LL_ENDL;
|
|
}
|
|
|
|
if (mGLBuffer != sGLRenderBuffer)
|
|
{
|
|
LL_ERRS() << "Wrong vertex buffer bound." << LL_ENDL;
|
|
}
|
|
|
|
if (gDebugGL && useVBOs())
|
|
{
|
|
GLint elem = 0;
|
|
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &elem);
|
|
|
|
if (elem != mGLIndices)
|
|
{
|
|
LL_ERRS() << "Wrong index buffer bound!" << LL_ENDL;
|
|
}
|
|
}
|
|
|
|
if (mode >= LLRender::NUM_MODES)
|
|
{
|
|
LL_ERRS() << "Invalid draw mode: " << mode << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
U16* idx = ((U16*) getIndicesPointer())+indices_offset;
|
|
|
|
glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT,
|
|
idx);
|
|
}
|
|
|
|
void LLVertexBuffer::drawRangeFast(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const
|
|
{
|
|
gGL.syncMatrices();
|
|
|
|
U16* idx = ((U16*)getIndicesPointer()) + indices_offset;
|
|
|
|
glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT,
|
|
idx);
|
|
}
|
|
|
|
void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
|
|
{
|
|
llassert(LLGLSLShader::sCurBoundShaderPtr != NULL);
|
|
gGL.syncMatrices();
|
|
|
|
llassert(mNumIndices >= 0);
|
|
if (indices_offset >= (U32) mNumIndices ||
|
|
indices_offset + count > (U32) mNumIndices)
|
|
{
|
|
LL_ERRS() << "Bad index buffer draw range: [" << indices_offset << ", " << indices_offset+count << "]" << LL_ENDL;
|
|
}
|
|
|
|
|
|
if (mGLIndices != sGLRenderIndices)
|
|
{
|
|
LL_ERRS() << "Wrong index buffer bound." << LL_ENDL;
|
|
}
|
|
|
|
if (mGLBuffer != sGLRenderBuffer)
|
|
{
|
|
LL_ERRS() << "Wrong vertex buffer bound." << LL_ENDL;
|
|
}
|
|
|
|
if (mode >= LLRender::NUM_MODES)
|
|
{
|
|
LL_ERRS() << "Invalid draw mode: " << mode << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
glDrawElements(sGLMode[mode], count, GL_UNSIGNED_SHORT,
|
|
((U16*) getIndicesPointer()) + indices_offset);
|
|
}
|
|
|
|
|
|
void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
llassert(LLGLSLShader::sCurBoundShaderPtr != NULL);
|
|
gGL.syncMatrices();
|
|
|
|
#ifndef LL_RELEASE_FOR_DOWNLOAD
|
|
llassert(mNumVerts >= 0);
|
|
if (first >= (U32) mNumVerts ||
|
|
first + count > (U32) mNumVerts)
|
|
{
|
|
LL_ERRS() << "Bad vertex buffer draw range: [" << first << ", " << first+count << "]" << LL_ENDL;
|
|
}
|
|
|
|
if (mGLBuffer != sGLRenderBuffer || useVBOs() != sVBOActive)
|
|
{
|
|
LL_ERRS() << "Wrong vertex buffer bound." << LL_ENDL;
|
|
}
|
|
|
|
if (mode >= LLRender::NUM_MODES)
|
|
{
|
|
LL_ERRS() << "Invalid draw mode: " << mode << LL_ENDL;
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
glDrawArrays(sGLMode[mode], first, count);
|
|
}
|
|
|
|
//static
|
|
void LLVertexBuffer::initClass(LLWindow* window)
|
|
{
|
|
sEnableVBOs = true;
|
|
sDisableVBOMapping = true;
|
|
|
|
sVBOPool = new LLVBOPool();
|
|
|
|
#if ENABLE_GL_WORK_QUEUE
|
|
sQueue = new GLWorkQueue();
|
|
|
|
for (int i = 0; i < THREAD_COUNT; ++i)
|
|
{
|
|
sVBOThread[i] = new LLGLWorkerThread("VBO Worker", sQueue, window);
|
|
sVBOThread[i]->start();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
//static
|
|
void LLVertexBuffer::unbind()
|
|
{
|
|
if (sGLRenderArray)
|
|
{
|
|
glBindVertexArray(0);
|
|
sGLRenderArray = 0;
|
|
sGLRenderIndices = 0;
|
|
sIBOActive = false;
|
|
}
|
|
|
|
if (sVBOActive)
|
|
{
|
|
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
|
sVBOActive = false;
|
|
}
|
|
if (sIBOActive)
|
|
{
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
|
sIBOActive = false;
|
|
}
|
|
|
|
sGLRenderBuffer = 0;
|
|
sGLRenderIndices = 0;
|
|
|
|
setupClientArrays(0);
|
|
}
|
|
|
|
//static
|
|
void LLVertexBuffer::cleanupClass()
|
|
{
|
|
unbind();
|
|
|
|
delete sVBOPool;
|
|
sVBOPool = nullptr;
|
|
|
|
#if ENABLE_GL_WORK_QUEUE
|
|
sQueue->close();
|
|
for (int i = 0; i < THREAD_COUNT; ++i)
|
|
{
|
|
sVBOThread[i]->shutdown();
|
|
delete sVBOThread[i];
|
|
sVBOThread[i] = nullptr;
|
|
}
|
|
|
|
delete sQueue;
|
|
sQueue = nullptr;
|
|
#endif
|
|
|
|
//llassert(0 == sAllocatedBytes);
|
|
//llassert(0 == sAllocatedIndexBytes);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
S32 LLVertexBuffer::determineUsage(S32 usage)
|
|
{
|
|
S32 ret_usage = usage;
|
|
|
|
if (!sEnableVBOs)
|
|
{
|
|
ret_usage = 0;
|
|
}
|
|
|
|
if (ret_usage == GL_STREAM_DRAW && !sUseStreamDraw)
|
|
{
|
|
ret_usage = 0;
|
|
}
|
|
|
|
// dynamic draw or nothing
|
|
ret_usage = GL_DYNAMIC_DRAW;
|
|
|
|
return ret_usage;
|
|
}
|
|
|
|
LLVertexBuffer::LLVertexBuffer(U32 typemask, S32 usage)
|
|
: LLRefCount(),
|
|
|
|
mNumVerts(0),
|
|
mNumIndices(0),
|
|
mSize(0),
|
|
mIndicesSize(0),
|
|
mTypeMask(typemask),
|
|
mUsage(LLVertexBuffer::determineUsage(usage)),
|
|
mGLBuffer(0),
|
|
mGLIndices(0),
|
|
mMappedData(NULL),
|
|
mMappedIndexData(NULL),
|
|
mMappedDataUsingVBOs(false),
|
|
mMappedIndexDataUsingVBOs(false),
|
|
mVertexLocked(false),
|
|
mIndexLocked(false),
|
|
mFinal(false),
|
|
mEmpty(true)
|
|
{
|
|
//zero out offsets
|
|
for (U32 i = 0; i < TYPE_MAX; i++)
|
|
{
|
|
mOffsets[i] = 0;
|
|
}
|
|
|
|
sCount++;
|
|
}
|
|
|
|
//static
|
|
S32 LLVertexBuffer::calcOffsets(const U32& typemask, S32* offsets, S32 num_vertices)
|
|
{
|
|
S32 offset = 0;
|
|
for (S32 i=0; i<TYPE_TEXTURE_INDEX; i++)
|
|
{
|
|
U32 mask = 1<<i;
|
|
if (typemask & mask)
|
|
{
|
|
if (offsets && LLVertexBuffer::sTypeSize[i])
|
|
{
|
|
offsets[i] = offset;
|
|
offset += LLVertexBuffer::sTypeSize[i]*num_vertices;
|
|
offset = (offset + 0xF) & ~0xF;
|
|
}
|
|
}
|
|
}
|
|
|
|
offsets[TYPE_TEXTURE_INDEX] = offsets[TYPE_VERTEX] + 12;
|
|
|
|
return offset;
|
|
}
|
|
|
|
//static
|
|
S32 LLVertexBuffer::calcVertexSize(const U32& typemask)
|
|
{
|
|
S32 size = 0;
|
|
for (S32 i = 0; i < TYPE_TEXTURE_INDEX; i++)
|
|
{
|
|
U32 mask = 1<<i;
|
|
if (typemask & mask)
|
|
{
|
|
size += LLVertexBuffer::sTypeSize[i];
|
|
}
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
S32 LLVertexBuffer::getSize() const
|
|
{
|
|
return mSize;
|
|
}
|
|
|
|
// protected, use unref()
|
|
//virtual
|
|
LLVertexBuffer::~LLVertexBuffer()
|
|
{
|
|
destroyGLBuffer();
|
|
destroyGLIndices();
|
|
|
|
sCount--;
|
|
|
|
sVertexCount -= mNumVerts;
|
|
sIndexCount -= mNumIndices;
|
|
|
|
if (mMappedData)
|
|
{
|
|
LL_ERRS() << "Failed to clear vertex buffer's vertices" << LL_ENDL;
|
|
}
|
|
if (mMappedIndexData)
|
|
{
|
|
LL_ERRS() << "Failed to clear vertex buffer's indices" << LL_ENDL;
|
|
}
|
|
};
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void LLVertexBuffer::genBuffer(U32 size)
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
|
|
mSize = size;
|
|
|
|
if (sVBOPool)
|
|
{
|
|
sVBOPool->allocate(GL_ARRAY_BUFFER, size, mGLBuffer, mMappedData);
|
|
}
|
|
|
|
sGLCount++;
|
|
}
|
|
|
|
void LLVertexBuffer::genIndices(U32 size)
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
|
|
mIndicesSize = size;
|
|
|
|
if (sVBOPool)
|
|
{
|
|
sVBOPool->allocate(GL_ELEMENT_ARRAY_BUFFER, size, mGLIndices, mMappedIndexData);
|
|
}
|
|
sGLCount++;
|
|
}
|
|
|
|
void LLVertexBuffer::releaseBuffer()
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
|
|
if (sVBOPool)
|
|
{
|
|
sVBOPool->free(GL_ARRAY_BUFFER, mSize, mGLBuffer, mMappedData);
|
|
}
|
|
|
|
mGLBuffer = 0;
|
|
mMappedData = nullptr;
|
|
|
|
sGLCount--;
|
|
}
|
|
|
|
void LLVertexBuffer::releaseIndices()
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
|
|
if (sVBOPool)
|
|
{
|
|
sVBOPool->free(GL_ELEMENT_ARRAY_BUFFER, mIndicesSize, mGLIndices, mMappedIndexData);
|
|
}
|
|
|
|
mMappedIndexData = nullptr;
|
|
|
|
sGLCount--;
|
|
}
|
|
|
|
bool LLVertexBuffer::createGLBuffer(U32 size)
|
|
{
|
|
if (mGLBuffer || mMappedData)
|
|
{
|
|
destroyGLBuffer();
|
|
}
|
|
|
|
if (size == 0)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool success = true;
|
|
|
|
mEmpty = true;
|
|
|
|
mMappedDataUsingVBOs = useVBOs();
|
|
|
|
if (mMappedDataUsingVBOs)
|
|
{
|
|
genBuffer(size);
|
|
}
|
|
else
|
|
{
|
|
static int gl_buffer_idx = 0;
|
|
mGLBuffer = ++gl_buffer_idx;
|
|
|
|
mMappedData = (U8*)ll_aligned_malloc_16(size);
|
|
mSize = size;
|
|
}
|
|
|
|
if (!mMappedData)
|
|
{
|
|
success = false;
|
|
}
|
|
return success;
|
|
}
|
|
|
|
bool LLVertexBuffer::createGLIndices(U32 size)
|
|
{
|
|
if (mGLIndices)
|
|
{
|
|
destroyGLIndices();
|
|
}
|
|
|
|
if (size == 0)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool success = true;
|
|
|
|
mEmpty = true;
|
|
|
|
//pad by 16 bytes for aligned copies
|
|
size += 16;
|
|
|
|
mMappedIndexDataUsingVBOs = useVBOs();
|
|
|
|
if (mMappedIndexDataUsingVBOs)
|
|
{
|
|
//pad by another 16 bytes for VBO pointer adjustment
|
|
size += 16;
|
|
genIndices(size);
|
|
}
|
|
else
|
|
{
|
|
mMappedIndexData = (U8*)ll_aligned_malloc_16(size);
|
|
static int gl_buffer_idx = 0;
|
|
mGLIndices = ++gl_buffer_idx;
|
|
mIndicesSize = size;
|
|
}
|
|
|
|
if (!mMappedIndexData)
|
|
{
|
|
success = false;
|
|
}
|
|
return success;
|
|
}
|
|
|
|
void LLVertexBuffer::destroyGLBuffer()
|
|
{
|
|
if (mGLBuffer || mMappedData)
|
|
{
|
|
if (mMappedDataUsingVBOs)
|
|
{
|
|
releaseBuffer();
|
|
}
|
|
else
|
|
{
|
|
ll_aligned_free_16((void*)mMappedData);
|
|
mMappedData = NULL;
|
|
mEmpty = true;
|
|
}
|
|
}
|
|
|
|
mGLBuffer = 0;
|
|
//unbind();
|
|
}
|
|
|
|
void LLVertexBuffer::destroyGLIndices()
|
|
{
|
|
if (mGLIndices || mMappedIndexData)
|
|
{
|
|
if (mMappedIndexDataUsingVBOs)
|
|
{
|
|
releaseIndices();
|
|
}
|
|
else
|
|
{
|
|
ll_aligned_free_16((void*)mMappedIndexData);
|
|
mMappedIndexData = NULL;
|
|
mEmpty = true;
|
|
}
|
|
}
|
|
|
|
mGLIndices = 0;
|
|
//unbind();
|
|
}
|
|
|
|
bool LLVertexBuffer::updateNumVerts(S32 nverts)
|
|
{
|
|
llassert(nverts >= 0);
|
|
|
|
bool success = true;
|
|
|
|
if (nverts > 65536)
|
|
{
|
|
LL_WARNS() << "Vertex buffer overflow!" << LL_ENDL;
|
|
nverts = 65536;
|
|
}
|
|
|
|
U32 needed_size = calcOffsets(mTypeMask, mOffsets, nverts);
|
|
|
|
if (needed_size > mSize || needed_size <= mSize/2)
|
|
{
|
|
success &= createGLBuffer(needed_size);
|
|
}
|
|
|
|
sVertexCount -= mNumVerts;
|
|
mNumVerts = nverts;
|
|
sVertexCount += mNumVerts;
|
|
|
|
return success;
|
|
}
|
|
|
|
bool LLVertexBuffer::updateNumIndices(S32 nindices)
|
|
{
|
|
llassert(nindices >= 0);
|
|
|
|
bool success = true;
|
|
|
|
U32 needed_size = sizeof(U16) * nindices;
|
|
|
|
if (needed_size > mIndicesSize || needed_size <= mIndicesSize/2)
|
|
{
|
|
success &= createGLIndices(needed_size);
|
|
}
|
|
|
|
sIndexCount -= mNumIndices;
|
|
mNumIndices = nindices;
|
|
sIndexCount += mNumIndices;
|
|
|
|
return success;
|
|
}
|
|
|
|
bool LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create)
|
|
{
|
|
stop_glerror();
|
|
|
|
if (nverts < 0 || nindices < 0 ||
|
|
nverts > 65536)
|
|
{
|
|
LL_ERRS() << "Bad vertex buffer allocation: " << nverts << " : " << nindices << LL_ENDL;
|
|
}
|
|
|
|
bool success = true;
|
|
|
|
success &= updateNumVerts(nverts);
|
|
success &= updateNumIndices(nindices);
|
|
|
|
if (create && (nverts || nindices))
|
|
{
|
|
//actually allocate space for the vertex buffer if using VBO mapping
|
|
flush(); //unmap
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
bool LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
|
|
{
|
|
llassert(newnverts >= 0);
|
|
llassert(newnindices >= 0);
|
|
|
|
bool success = true;
|
|
|
|
success &= updateNumVerts(newnverts);
|
|
success &= updateNumIndices(newnindices);
|
|
|
|
if (useVBOs())
|
|
{
|
|
flush(); //unmap
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
bool LLVertexBuffer::useVBOs() const
|
|
{
|
|
//it's generally ineffective to use VBO for things that are streaming on apple
|
|
return (mUsage != 0);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
// if no gap between region and given range exists, expand region to cover given range and return true
|
|
// otherwise return false
|
|
bool expand_region(LLVertexBuffer::MappedRegion& region, S32 start, S32 end)
|
|
{
|
|
|
|
if (end < region.mStart ||
|
|
start > region.mEnd)
|
|
{ //gap exists, do not merge
|
|
return false;
|
|
}
|
|
|
|
region.mStart = llmin(region.mStart, start);
|
|
region.mEnd = llmax(region.mEnd, end);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
// Map for data access
|
|
U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range)
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
if (mFinal)
|
|
{
|
|
LL_ERRS() << "LLVertexBuffer::mapVeretxBuffer() called on a finalized buffer." << LL_ENDL;
|
|
}
|
|
if (!useVBOs() && !mMappedData && !mMappedIndexData)
|
|
{
|
|
LL_ERRS() << "LLVertexBuffer::mapVertexBuffer() called on unallocated buffer." << LL_ENDL;
|
|
}
|
|
|
|
|
|
if (useVBOs())
|
|
{
|
|
if (count == -1)
|
|
{
|
|
count = mNumVerts - index;
|
|
}
|
|
|
|
S32 start = mOffsets[type] + sTypeSize[type] * index;
|
|
S32 end = start + sTypeSize[type] * count;
|
|
|
|
bool flagged = false;
|
|
// flag region as mapped
|
|
for (U32 i = 0; i < mMappedVertexRegions.size(); ++i)
|
|
{
|
|
MappedRegion& region = mMappedVertexRegions[i];
|
|
if (expand_region(region, start, end))
|
|
{
|
|
flagged = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!flagged)
|
|
{
|
|
//didn't expand an existing region, make a new one
|
|
mMappedVertexRegions.push_back({ start, end });
|
|
}
|
|
|
|
if (mVertexLocked && map_range)
|
|
{
|
|
LL_ERRS() << "Attempted to map a specific range of a buffer that was already mapped." << LL_ENDL;
|
|
}
|
|
|
|
if (!mVertexLocked)
|
|
{
|
|
mVertexLocked = true;
|
|
sMappedCount++;
|
|
stop_glerror();
|
|
|
|
map_range = false;
|
|
|
|
if (!mMappedData)
|
|
{
|
|
log_glerror();
|
|
|
|
//check the availability of memory
|
|
LLMemory::logMemoryInfo(true);
|
|
|
|
LL_ERRS() << "memory allocation for vertex data failed." << LL_ENDL;
|
|
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
map_range = false;
|
|
}
|
|
|
|
return mMappedData+mOffsets[type]+sTypeSize[type]*index;
|
|
}
|
|
|
|
|
|
U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
if (mFinal)
|
|
{
|
|
LL_ERRS() << "LLVertexBuffer::mapIndexBuffer() called on a finalized buffer." << LL_ENDL;
|
|
}
|
|
if (!useVBOs() && !mMappedData && !mMappedIndexData)
|
|
{
|
|
LL_ERRS() << "LLVertexBuffer::mapIndexBuffer() called on unallocated buffer." << LL_ENDL;
|
|
}
|
|
|
|
if (useVBOs())
|
|
{
|
|
if (count == -1)
|
|
{
|
|
count = mNumIndices-index;
|
|
}
|
|
|
|
S32 start = sizeof(U16) * index;
|
|
S32 end = start + sizeof(U16) * count;
|
|
|
|
bool flagged = false;
|
|
// flag region as mapped
|
|
for (U32 i = 0; i < mMappedIndexRegions.size(); ++i)
|
|
{
|
|
MappedRegion& region = mMappedIndexRegions[i];
|
|
if (expand_region(region, start, end))
|
|
{
|
|
flagged = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!flagged)
|
|
{
|
|
//didn't expand an existing region, make a new one
|
|
mMappedIndexRegions.push_back({ start, end });
|
|
}
|
|
|
|
if (mIndexLocked && map_range)
|
|
{
|
|
LL_ERRS() << "Attempted to map a specific range of a buffer that was already mapped." << LL_ENDL;
|
|
}
|
|
|
|
if (!mIndexLocked)
|
|
{
|
|
mIndexLocked = true;
|
|
sMappedCount++;
|
|
stop_glerror();
|
|
|
|
map_range = false;
|
|
}
|
|
|
|
if (!mMappedIndexData)
|
|
{
|
|
log_glerror();
|
|
LLMemory::logMemoryInfo(true);
|
|
|
|
LL_ERRS() << "memory allocation for Index data failed. " << LL_ENDL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
map_range = false;
|
|
}
|
|
|
|
return mMappedIndexData + sizeof(U16)*index;
|
|
}
|
|
|
|
static void flush_vbo(GLenum target, S32 start, S32 end, void* data)
|
|
{
|
|
if (end != 0)
|
|
{
|
|
LL_PROFILE_ZONE_NAMED_CATEGORY_VERTEX("glBufferSubData");
|
|
LL_PROFILE_ZONE_NUM(start);
|
|
LL_PROFILE_ZONE_NUM(end);
|
|
LL_PROFILE_ZONE_NUM(end-start);
|
|
|
|
constexpr S32 block_size = 65536;
|
|
|
|
for (S32 i = start; i < end; i += block_size)
|
|
{
|
|
LL_PROFILE_ZONE_NAMED_CATEGORY_VERTEX("glBufferSubData block");
|
|
LL_PROFILE_GPU_ZONE("glBufferSubData");
|
|
S32 tend = llmin(i + block_size, end);
|
|
glBufferSubData(target, i, tend - i, (U8*) data + (i-start));
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLVertexBuffer::unmapBuffer()
|
|
{
|
|
if (!useVBOs())
|
|
{
|
|
return; //nothing to unmap
|
|
}
|
|
|
|
bool updated_all = false;
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
if (mMappedData && mVertexLocked)
|
|
{
|
|
LL_PROFILE_ZONE_NAMED_CATEGORY_VERTEX("unmapBuffer - vertex");
|
|
bindGLBuffer(true);
|
|
updated_all = mIndexLocked; //both vertex and index buffers done updating
|
|
|
|
if (!mMappedVertexRegions.empty())
|
|
{
|
|
S32 start = 0;
|
|
S32 end = 0;
|
|
|
|
for (U32 i = 0; i < mMappedVertexRegions.size(); ++i)
|
|
{
|
|
const MappedRegion& region = mMappedVertexRegions[i];
|
|
if (region.mStart == end + 1)
|
|
{
|
|
end = region.mEnd;
|
|
}
|
|
else
|
|
{
|
|
flush_vbo(GL_ARRAY_BUFFER, start, end, (U8*)mMappedData + start);
|
|
start = region.mStart;
|
|
end = region.mEnd;
|
|
}
|
|
}
|
|
|
|
flush_vbo(GL_ARRAY_BUFFER, start, end, (U8*)mMappedData + start);
|
|
|
|
mMappedVertexRegions.clear();
|
|
}
|
|
else
|
|
{
|
|
llassert(false); // this shouldn't happen -- a buffer must always be explicitly mapped
|
|
}
|
|
|
|
mVertexLocked = false;
|
|
sMappedCount--;
|
|
}
|
|
|
|
if (mMappedIndexData && mIndexLocked)
|
|
{
|
|
LL_PROFILE_ZONE_NAMED_CATEGORY_VERTEX("unmapBuffer - index");
|
|
bindGLIndices();
|
|
|
|
if (!mMappedIndexRegions.empty())
|
|
{
|
|
S32 start = 0;
|
|
S32 end = 0;
|
|
|
|
for (U32 i = 0; i < mMappedIndexRegions.size(); ++i)
|
|
{
|
|
const MappedRegion& region = mMappedIndexRegions[i];
|
|
if (region.mStart == end + 1)
|
|
{
|
|
end = region.mEnd;
|
|
}
|
|
else
|
|
{
|
|
flush_vbo(GL_ELEMENT_ARRAY_BUFFER, start, end, (U8*)mMappedIndexData + start);
|
|
start = region.mStart;
|
|
end = region.mEnd;
|
|
}
|
|
}
|
|
|
|
flush_vbo(GL_ELEMENT_ARRAY_BUFFER, start, end, (U8*)mMappedIndexData + start);
|
|
|
|
mMappedIndexRegions.clear();
|
|
}
|
|
else
|
|
{
|
|
llassert(false); // this shouldn't happen -- a buffer must always be explicitly mapped
|
|
}
|
|
|
|
mIndexLocked = false;
|
|
sMappedCount--;
|
|
}
|
|
|
|
if(updated_all)
|
|
{
|
|
mEmpty = false;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
template <class T,S32 type> struct VertexBufferStrider
|
|
{
|
|
typedef LLStrider<T> strider_t;
|
|
static bool get(LLVertexBuffer& vbo,
|
|
strider_t& strider,
|
|
S32 index, S32 count, bool map_range)
|
|
{
|
|
if (type == LLVertexBuffer::TYPE_INDEX)
|
|
{
|
|
U8* ptr = vbo.mapIndexBuffer(index, count, map_range);
|
|
|
|
if (ptr == NULL)
|
|
{
|
|
LL_WARNS() << "mapIndexBuffer failed!" << LL_ENDL;
|
|
return false;
|
|
}
|
|
|
|
strider = (T*)ptr;
|
|
strider.setStride(0);
|
|
return true;
|
|
}
|
|
else if (vbo.hasDataType(type))
|
|
{
|
|
S32 stride = LLVertexBuffer::sTypeSize[type];
|
|
|
|
U8* ptr = vbo.mapVertexBuffer(type, index, count, map_range);
|
|
|
|
if (ptr == NULL)
|
|
{
|
|
LL_WARNS() << "mapVertexBuffer failed!" << LL_ENDL;
|
|
return false;
|
|
}
|
|
|
|
strider = (T*)ptr;
|
|
strider.setStride(stride);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
LL_ERRS() << "VertexBufferStrider could not find valid vertex data." << LL_ENDL;
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
bool LLVertexBuffer::getVertexStrider(LLStrider<LLVector3>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector3,TYPE_VERTEX>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getVertexStrider(LLStrider<LLVector4a>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector4a,TYPE_VERTEX>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getIndexStrider(LLStrider<U16>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<U16,TYPE_INDEX>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getTexCoord0Strider(LLStrider<LLVector2>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD0>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD1>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getTexCoord2Strider(LLStrider<LLVector2>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD2>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getNormalStrider(LLStrider<LLVector3>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector3,TYPE_NORMAL>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getTangentStrider(LLStrider<LLVector3>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector3,TYPE_TANGENT>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getTangentStrider(LLStrider<LLVector4a>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector4a,TYPE_TANGENT>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getColorStrider(LLStrider<LLColor4U>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLColor4U,TYPE_COLOR>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getEmissiveStrider(LLStrider<LLColor4U>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLColor4U,TYPE_EMISSIVE>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getWeightStrider(LLStrider<F32>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<F32,TYPE_WEIGHT>::get(*this, strider, index, count, map_range);
|
|
}
|
|
|
|
bool LLVertexBuffer::getWeight4Strider(LLStrider<LLVector4>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector4,TYPE_WEIGHT4>::get(*this, strider, index, count, map_range);
|
|
}
|
|
|
|
bool LLVertexBuffer::getClothWeightStrider(LLStrider<LLVector4>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector4,TYPE_CLOTHWEIGHT>::get(*this, strider, index, count, map_range);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
bool LLVertexBuffer::bindGLBuffer(bool force_bind)
|
|
{
|
|
bool ret = false;
|
|
|
|
if (useVBOs() && (force_bind || (mGLBuffer && (mGLBuffer != sGLRenderBuffer || !sVBOActive))))
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
glBindBuffer(GL_ARRAY_BUFFER, mGLBuffer);
|
|
sGLRenderBuffer = mGLBuffer;
|
|
sBindCount++;
|
|
sVBOActive = true;
|
|
ret = true;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool LLVertexBuffer::bindGLBufferFast()
|
|
{
|
|
if (mGLBuffer != sGLRenderBuffer || !sVBOActive)
|
|
{
|
|
glBindBuffer(GL_ARRAY_BUFFER, mGLBuffer);
|
|
sGLRenderBuffer = mGLBuffer;
|
|
sBindCount++;
|
|
sVBOActive = true;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool LLVertexBuffer::bindGLIndices(bool force_bind)
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_VERTEX;
|
|
|
|
bool ret = false;
|
|
if (useVBOs() && (force_bind || (mGLIndices && (mGLIndices != sGLRenderIndices || !sIBOActive))))
|
|
{
|
|
/*if (sMapped)
|
|
{
|
|
LL_ERRS() << "VBO bound while another VBO mapped!" << LL_ENDL;
|
|
}*/
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mGLIndices);
|
|
sGLRenderIndices = mGLIndices;
|
|
stop_glerror();
|
|
sBindCount++;
|
|
sIBOActive = true;
|
|
ret = true;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool LLVertexBuffer::bindGLIndicesFast()
|
|
{
|
|
if (mGLIndices != sGLRenderIndices || !sIBOActive)
|
|
{
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mGLIndices);
|
|
sGLRenderIndices = mGLIndices;
|
|
sBindCount++;
|
|
sIBOActive = true;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void LLVertexBuffer::flush(bool discard)
|
|
{
|
|
if (useVBOs())
|
|
{
|
|
unmapBuffer();
|
|
}
|
|
}
|
|
|
|
// bind for transform feedback (quick 'n dirty)
|
|
void LLVertexBuffer::bindForFeedback(U32 channel, U32 type, U32 index, U32 count)
|
|
{
|
|
#ifdef GL_TRANSFORM_FEEDBACK_BUFFER
|
|
U32 offset = mOffsets[type] + sTypeSize[type]*index;
|
|
U32 size= (sTypeSize[type]*count);
|
|
glBindBufferRange(GL_TRANSFORM_FEEDBACK_BUFFER, channel, mGLBuffer, offset, size);
|
|
#endif
|
|
}
|
|
|
|
// Set for rendering
|
|
void LLVertexBuffer::setBuffer(U32 data_mask)
|
|
{
|
|
flush();
|
|
|
|
//set up pointers if the data mask is different ...
|
|
bool setup = (sLastMask != data_mask);
|
|
|
|
if (gDebugGL && data_mask != 0)
|
|
{ //make sure data requirements are fulfilled
|
|
LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
|
|
if (shader)
|
|
{
|
|
U32 required_mask = 0;
|
|
for (U32 i = 0; i < LLVertexBuffer::TYPE_TEXTURE_INDEX; ++i)
|
|
{
|
|
if (shader->getAttribLocation(i) > -1)
|
|
{
|
|
U32 required = 1 << i;
|
|
if ((data_mask & required) == 0)
|
|
{
|
|
LL_WARNS() << "Missing attribute: " << LLShaderMgr::instance()->mReservedAttribs[i] << LL_ENDL;
|
|
}
|
|
|
|
required_mask |= required;
|
|
}
|
|
}
|
|
|
|
if ((data_mask & required_mask) != required_mask)
|
|
{
|
|
|
|
U32 unsatisfied_mask = (required_mask & ~data_mask);
|
|
|
|
for (U32 i = 0; i < TYPE_MAX; i++)
|
|
{
|
|
U32 unsatisfied_flag = unsatisfied_mask & (1 << i);
|
|
switch (unsatisfied_flag)
|
|
{
|
|
case 0: break;
|
|
case MAP_VERTEX: LL_INFOS() << "Missing vert pos" << LL_ENDL; break;
|
|
case MAP_NORMAL: LL_INFOS() << "Missing normals" << LL_ENDL; break;
|
|
case MAP_TEXCOORD0: LL_INFOS() << "Missing TC 0" << LL_ENDL; break;
|
|
case MAP_TEXCOORD1: LL_INFOS() << "Missing TC 1" << LL_ENDL; break;
|
|
case MAP_TEXCOORD2: LL_INFOS() << "Missing TC 2" << LL_ENDL; break;
|
|
case MAP_TEXCOORD3: LL_INFOS() << "Missing TC 3" << LL_ENDL; break;
|
|
case MAP_COLOR: LL_INFOS() << "Missing vert color" << LL_ENDL; break;
|
|
case MAP_EMISSIVE: LL_INFOS() << "Missing emissive" << LL_ENDL; break;
|
|
case MAP_TANGENT: LL_INFOS() << "Missing tangent" << LL_ENDL; break;
|
|
case MAP_WEIGHT: LL_INFOS() << "Missing weight" << LL_ENDL; break;
|
|
case MAP_WEIGHT4: LL_INFOS() << "Missing weightx4" << LL_ENDL; break;
|
|
case MAP_CLOTHWEIGHT: LL_INFOS() << "Missing clothweight" << LL_ENDL; break;
|
|
case MAP_TEXTURE_INDEX: LL_INFOS() << "Missing tex index" << LL_ENDL; break;
|
|
default: LL_INFOS() << "Missing who effin knows: " << unsatisfied_flag << LL_ENDL;
|
|
}
|
|
}
|
|
|
|
// TYPE_INDEX is beyond TYPE_MAX, so check for it individually
|
|
if (unsatisfied_mask & (1 << TYPE_INDEX))
|
|
{
|
|
LL_INFOS() << "Missing indices" << LL_ENDL;
|
|
}
|
|
|
|
LL_ERRS() << "Shader consumption mismatches data provision." << LL_ENDL;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (useVBOs())
|
|
{
|
|
const bool bindBuffer = bindGLBuffer();
|
|
const bool bindIndices = bindGLIndices();
|
|
|
|
setup = setup || bindBuffer || bindIndices;
|
|
|
|
if (gDebugGL)
|
|
{
|
|
GLint buff;
|
|
glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &buff);
|
|
if ((GLuint)buff != mGLBuffer)
|
|
{
|
|
if (gDebugSession)
|
|
{
|
|
gFailLog << "Invalid GL vertex buffer bound: " << buff << std::endl;
|
|
}
|
|
else
|
|
{
|
|
LL_ERRS() << "Invalid GL vertex buffer bound: " << buff << LL_ENDL;
|
|
}
|
|
}
|
|
|
|
if (mGLIndices)
|
|
{
|
|
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &buff);
|
|
if ((GLuint)buff != mGLIndices)
|
|
{
|
|
if (gDebugSession)
|
|
{
|
|
gFailLog << "Invalid GL index buffer bound: " << buff << std::endl;
|
|
}
|
|
else
|
|
{
|
|
LL_ERRS() << "Invalid GL index buffer bound: " << buff << LL_ENDL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
if (sGLRenderArray)
|
|
{
|
|
glBindVertexArray(0);
|
|
sGLRenderArray = 0;
|
|
sGLRenderIndices = 0;
|
|
sIBOActive = false;
|
|
}
|
|
|
|
if (mGLBuffer)
|
|
{
|
|
if (sVBOActive)
|
|
{
|
|
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
|
sBindCount++;
|
|
sVBOActive = false;
|
|
setup = true; // ... or a VBO is deactivated
|
|
}
|
|
if (sGLRenderBuffer != mGLBuffer)
|
|
{
|
|
sGLRenderBuffer = mGLBuffer;
|
|
setup = true; // ... or a client memory pointer changed
|
|
}
|
|
}
|
|
if (mGLIndices)
|
|
{
|
|
if (sIBOActive)
|
|
{
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
|
sBindCount++;
|
|
sIBOActive = false;
|
|
}
|
|
|
|
sGLRenderIndices = mGLIndices;
|
|
}
|
|
}
|
|
|
|
setupClientArrays(data_mask);
|
|
|
|
if (mGLBuffer)
|
|
{
|
|
if (data_mask && setup)
|
|
{
|
|
setupVertexBuffer(data_mask); // subclass specific setup (virtual function)
|
|
sSetCount++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLVertexBuffer::setBufferFast(U32 data_mask)
|
|
{
|
|
if (useVBOs())
|
|
{
|
|
//set up pointers if the data mask is different ...
|
|
bool setup = (sLastMask != data_mask);
|
|
|
|
const bool bindBuffer = bindGLBufferFast();
|
|
const bool bindIndices = bindGLIndicesFast();
|
|
|
|
setup = setup || bindBuffer || bindIndices;
|
|
|
|
setupClientArrays(data_mask);
|
|
|
|
if (data_mask && setup)
|
|
{
|
|
setupVertexBufferFast(data_mask);
|
|
sSetCount++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//fallback to slow path when not using VBOs
|
|
setBuffer(data_mask);
|
|
}
|
|
}
|
|
|
|
|
|
// virtual (default)
|
|
void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
|
|
{
|
|
stop_glerror();
|
|
U8* base = useVBOs() ? nullptr: mMappedData;
|
|
|
|
if (gDebugGL && ((data_mask & mTypeMask) != data_mask))
|
|
{
|
|
for (U32 i = 0; i < LLVertexBuffer::TYPE_MAX; ++i)
|
|
{
|
|
U32 mask = 1 << i;
|
|
if (mask & data_mask && !(mask & mTypeMask))
|
|
{ //bit set in data_mask, but not set in mTypeMask
|
|
LL_WARNS() << "Missing required component " << vb_type_name[i] << LL_ENDL;
|
|
}
|
|
}
|
|
LL_ERRS() << "LLVertexBuffer::setupVertexBuffer missing required components for supplied data mask." << LL_ENDL;
|
|
}
|
|
|
|
if (data_mask & MAP_NORMAL)
|
|
{
|
|
S32 loc = TYPE_NORMAL;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_NORMAL]);
|
|
glVertexAttribPointer(loc, 3, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_NORMAL], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD3)
|
|
{
|
|
S32 loc = TYPE_TEXCOORD3;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TEXCOORD3]);
|
|
glVertexAttribPointer(loc,2,GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD3], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD2)
|
|
{
|
|
S32 loc = TYPE_TEXCOORD2;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TEXCOORD2]);
|
|
glVertexAttribPointer(loc,2,GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD2], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD1)
|
|
{
|
|
S32 loc = TYPE_TEXCOORD1;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TEXCOORD1]);
|
|
glVertexAttribPointer(loc,2,GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD1], ptr);
|
|
}
|
|
if (data_mask & MAP_TANGENT)
|
|
{
|
|
S32 loc = TYPE_TANGENT;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TANGENT]);
|
|
glVertexAttribPointer(loc, 4,GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TANGENT], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD0)
|
|
{
|
|
S32 loc = TYPE_TEXCOORD0;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TEXCOORD0]);
|
|
glVertexAttribPointer(loc,2,GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD0], ptr);
|
|
}
|
|
if (data_mask & MAP_COLOR)
|
|
{
|
|
S32 loc = TYPE_COLOR;
|
|
//bind emissive instead of color pointer if emissive is present
|
|
void* ptr = (data_mask & MAP_EMISSIVE) ? (void*)(base + mOffsets[TYPE_EMISSIVE]) : (void*)(base + mOffsets[TYPE_COLOR]);
|
|
glVertexAttribPointer(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_COLOR], ptr);
|
|
}
|
|
if (data_mask & MAP_EMISSIVE)
|
|
{
|
|
S32 loc = TYPE_EMISSIVE;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_EMISSIVE]);
|
|
glVertexAttribPointer(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_EMISSIVE], ptr);
|
|
|
|
if (!(data_mask & MAP_COLOR))
|
|
{ //map emissive to color channel when color is not also being bound to avoid unnecessary shader swaps
|
|
loc = TYPE_COLOR;
|
|
glVertexAttribPointer(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_EMISSIVE], ptr);
|
|
}
|
|
}
|
|
if (data_mask & MAP_WEIGHT)
|
|
{
|
|
S32 loc = TYPE_WEIGHT;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_WEIGHT]);
|
|
glVertexAttribPointer(loc, 1, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_WEIGHT], ptr);
|
|
}
|
|
if (data_mask & MAP_WEIGHT4)
|
|
{
|
|
S32 loc = TYPE_WEIGHT4;
|
|
void* ptr = (void*)(base+mOffsets[TYPE_WEIGHT4]);
|
|
glVertexAttribPointer(loc, 4, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_WEIGHT4], ptr);
|
|
}
|
|
if (data_mask & MAP_CLOTHWEIGHT)
|
|
{
|
|
S32 loc = TYPE_CLOTHWEIGHT;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_CLOTHWEIGHT]);
|
|
glVertexAttribPointer(loc, 4, GL_FLOAT, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_CLOTHWEIGHT], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXTURE_INDEX &&
|
|
(gGLManager.mGLSLVersionMajor >= 2 || gGLManager.mGLSLVersionMinor >= 30)) //indexed texture rendering requires GLSL 1.30 or later
|
|
{
|
|
S32 loc = TYPE_TEXTURE_INDEX;
|
|
void *ptr = (void*) (base + mOffsets[TYPE_VERTEX] + 12);
|
|
glVertexAttribIPointer(loc, 1, GL_UNSIGNED_INT, LLVertexBuffer::sTypeSize[TYPE_VERTEX], ptr);
|
|
}
|
|
if (data_mask & MAP_VERTEX)
|
|
{
|
|
S32 loc = TYPE_VERTEX;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_VERTEX]);
|
|
glVertexAttribPointer(loc, 3,GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_VERTEX], ptr);
|
|
}
|
|
|
|
llglassertok();
|
|
}
|
|
|
|
void LLVertexBuffer::setupVertexBufferFast(U32 data_mask)
|
|
{
|
|
U8* base = nullptr;
|
|
|
|
if (data_mask & MAP_NORMAL)
|
|
{
|
|
S32 loc = TYPE_NORMAL;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_NORMAL]);
|
|
glVertexAttribPointer(loc, 3, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_NORMAL], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD3)
|
|
{
|
|
S32 loc = TYPE_TEXCOORD3;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TEXCOORD3]);
|
|
glVertexAttribPointer(loc, 2, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD3], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD2)
|
|
{
|
|
S32 loc = TYPE_TEXCOORD2;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TEXCOORD2]);
|
|
glVertexAttribPointer(loc, 2, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD2], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD1)
|
|
{
|
|
S32 loc = TYPE_TEXCOORD1;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TEXCOORD1]);
|
|
glVertexAttribPointer(loc, 2, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD1], ptr);
|
|
}
|
|
if (data_mask & MAP_TANGENT)
|
|
{
|
|
S32 loc = TYPE_TANGENT;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TANGENT]);
|
|
glVertexAttribPointer(loc, 4, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TANGENT], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD0)
|
|
{
|
|
S32 loc = TYPE_TEXCOORD0;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_TEXCOORD0]);
|
|
glVertexAttribPointer(loc, 2, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD0], ptr);
|
|
}
|
|
if (data_mask & MAP_COLOR)
|
|
{
|
|
S32 loc = TYPE_COLOR;
|
|
//bind emissive instead of color pointer if emissive is present
|
|
void* ptr = (data_mask & MAP_EMISSIVE) ? (void*)(base + mOffsets[TYPE_EMISSIVE]) : (void*)(base + mOffsets[TYPE_COLOR]);
|
|
glVertexAttribPointer(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_COLOR], ptr);
|
|
}
|
|
if (data_mask & MAP_EMISSIVE)
|
|
{
|
|
S32 loc = TYPE_EMISSIVE;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_EMISSIVE]);
|
|
glVertexAttribPointer(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_EMISSIVE], ptr);
|
|
|
|
if (!(data_mask & MAP_COLOR))
|
|
{ //map emissive to color channel when color is not also being bound to avoid unnecessary shader swaps
|
|
loc = TYPE_COLOR;
|
|
glVertexAttribPointer(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_EMISSIVE], ptr);
|
|
}
|
|
}
|
|
if (data_mask & MAP_WEIGHT)
|
|
{
|
|
S32 loc = TYPE_WEIGHT;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_WEIGHT]);
|
|
glVertexAttribPointer(loc, 1, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_WEIGHT], ptr);
|
|
}
|
|
if (data_mask & MAP_WEIGHT4)
|
|
{
|
|
S32 loc = TYPE_WEIGHT4;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_WEIGHT4]);
|
|
glVertexAttribPointer(loc, 4, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_WEIGHT4], ptr);
|
|
}
|
|
if (data_mask & MAP_CLOTHWEIGHT)
|
|
{
|
|
S32 loc = TYPE_CLOTHWEIGHT;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_CLOTHWEIGHT]);
|
|
glVertexAttribPointer(loc, 4, GL_FLOAT, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_CLOTHWEIGHT], ptr);
|
|
}
|
|
if (data_mask & MAP_TEXTURE_INDEX)
|
|
{
|
|
S32 loc = TYPE_TEXTURE_INDEX;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_VERTEX] + 12);
|
|
glVertexAttribIPointer(loc, 1, GL_UNSIGNED_INT, LLVertexBuffer::sTypeSize[TYPE_VERTEX], ptr);
|
|
}
|
|
if (data_mask & MAP_VERTEX)
|
|
{
|
|
S32 loc = TYPE_VERTEX;
|
|
void* ptr = (void*)(base + mOffsets[TYPE_VERTEX]);
|
|
glVertexAttribPointer(loc, 3, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_VERTEX], ptr);
|
|
}
|
|
}
|
|
|
|
void LLVertexBuffer::setPositionData(const LLVector4a* data)
|
|
{
|
|
bindGLBuffer();
|
|
flush_vbo(GL_ARRAY_BUFFER, 0, sizeof(LLVector4a) * getNumVerts(), (U8*) data);
|
|
}
|
|
|
|
void LLVertexBuffer::setTexCoordData(const LLVector2* data)
|
|
{
|
|
bindGLBuffer();
|
|
flush_vbo(GL_ARRAY_BUFFER, mOffsets[TYPE_TEXCOORD0], mOffsets[TYPE_TEXCOORD0] + sTypeSize[TYPE_TEXCOORD0] * getNumVerts(), (U8*)data);
|
|
}
|
|
|
|
void LLVertexBuffer::setColorData(const LLColor4U* data)
|
|
{
|
|
bindGLBuffer();
|
|
flush_vbo(GL_ARRAY_BUFFER, mOffsets[TYPE_COLOR], mOffsets[TYPE_COLOR] + sTypeSize[TYPE_COLOR] * getNumVerts(), (U8*) data);
|
|
}
|
|
|
|
|