mirror of
https://github.com/hrydgard/ppsspp.git
synced 2025-03-01 18:47:02 +00:00
103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
// Copyright (c) 2016- PPSSPP Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0 or later versions.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official git repository and contact information can be found at
|
|
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
|
|
|
|
// Additionally, Common/Vulkan/* , including this file, are also licensed
|
|
// under the public domain.
|
|
|
|
#include "Common/Vulkan/VulkanMemory.h"
|
|
|
|
VulkanPushBuffer::VulkanPushBuffer(VulkanContext *vulkan, size_t size) : device_(vulkan->GetDevice()), buf_(0), offset_(0), size_(size), writePtr_(nullptr) {
|
|
vulkan->MemoryTypeFromProperties(0xFFFFFFFF, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &memoryTypeIndex_);
|
|
|
|
bool res = AddBuffer();
|
|
assert(res);
|
|
}
|
|
|
|
bool VulkanPushBuffer::AddBuffer() {
|
|
BufInfo info;
|
|
|
|
VkBufferCreateInfo b = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };
|
|
b.size = size_;
|
|
b.flags = 0;
|
|
b.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
|
|
b.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
|
b.queueFamilyIndexCount = 0;
|
|
b.pQueueFamilyIndices = nullptr;
|
|
|
|
VkResult res = vkCreateBuffer(device_, &b, nullptr, &info.buffer);
|
|
if (VK_SUCCESS != res) {
|
|
return false;
|
|
}
|
|
|
|
// Okay, that's the buffer. Now let's allocate some memory for it.
|
|
VkMemoryAllocateInfo alloc = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO };
|
|
alloc.memoryTypeIndex = memoryTypeIndex_;
|
|
alloc.allocationSize = size_;
|
|
|
|
res = vkAllocateMemory(device_, &alloc, nullptr, &info.deviceMemory);
|
|
if (VK_SUCCESS != res) {
|
|
return false;
|
|
}
|
|
res = vkBindBufferMemory(device_, info.buffer, info.deviceMemory, 0);
|
|
if (VK_SUCCESS != res) {
|
|
return false;
|
|
}
|
|
|
|
buf_ = buffers_.size();
|
|
buffers_.resize(buf_ + 1);
|
|
buffers_[buf_] = info;
|
|
return true;
|
|
}
|
|
|
|
void VulkanPushBuffer::NextBuffer(size_t minSize) {
|
|
// First, unmap the current memory.
|
|
Unmap();
|
|
|
|
buf_++;
|
|
if (buf_ >= buffers_.size() || minSize > size_) {
|
|
// Before creating the buffer, adjust to the new size_ if necessary.
|
|
while (size_ < minSize) {
|
|
size_ <<= 1;
|
|
}
|
|
|
|
bool res = AddBuffer();
|
|
assert(res);
|
|
if (!res) {
|
|
// Let's try not to crash at least?
|
|
buf_ = 0;
|
|
}
|
|
}
|
|
|
|
// Now, move to the next buffer and map it.
|
|
offset_ = 0;
|
|
Map();
|
|
}
|
|
|
|
void VulkanPushBuffer::Defragment(VulkanContext *vulkan) {
|
|
if (buffers_.size() <= 1) {
|
|
return;
|
|
}
|
|
|
|
// Okay, we have more than one. Destroy them all and start over with a larger one.
|
|
size_t newSize = size_ * buffers_.size();
|
|
Destroy(vulkan);
|
|
|
|
size_ = newSize;
|
|
bool res = AddBuffer();
|
|
assert(res);
|
|
}
|