377 lines
9.7 KiB
C++
377 lines
9.7 KiB
C++
/*
|
|
* Modern effects for a modern Streamer
|
|
* Copyright (C) 2017 Michael Fabian Dirks
|
|
*
|
|
* 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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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 for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "gs-vertexbuffer.hpp"
|
|
#include <stdexcept>
|
|
#include "obs/gs/gs-helper.hpp"
|
|
#include "util-memory.hpp"
|
|
|
|
// OBS
|
|
#ifdef _MSC_VER
|
|
#pragma warning(push)
|
|
#pragma warning(disable : 4201)
|
|
#endif
|
|
#include <obs.h>
|
|
#ifdef _MSC_VER
|
|
#pragma warning(pop)
|
|
#endif
|
|
|
|
void gs::vertex_buffer::initialize(size_t capacity, size_t layers)
|
|
{
|
|
if (capacity > MAXIMUM_VERTICES) {
|
|
throw std::out_of_range("capacity too large");
|
|
}
|
|
if (layers > MAXIMUM_UVW_LAYERS) {
|
|
throw std::out_of_range("too many layers");
|
|
}
|
|
|
|
// Allocate memory for data.
|
|
_data = gs_vbdata_create();
|
|
_data->num = _capacity;
|
|
_data->num_tex = _layers;
|
|
_data->points = _positions = (vec3*)util::malloc_aligned(16, sizeof(vec3) * _capacity);
|
|
_data->normals = _normals = (vec3*)util::malloc_aligned(16, sizeof(vec3) * _capacity);
|
|
_data->tangents = _tangents = (vec3*)util::malloc_aligned(16, sizeof(vec3) * _capacity);
|
|
_data->colors = _colors = (uint32_t*)util::malloc_aligned(16, sizeof(uint32_t) * _capacity);
|
|
if (_layers > 0) {
|
|
_data->tvarray = _layer_data = (gs_tvertarray*)util::malloc_aligned(16, sizeof(gs_tvertarray) * _layers);
|
|
for (size_t n = 0; n < _layers; n++) {
|
|
_layer_data[n].array = _uvs[n] = (vec4*)util::malloc_aligned(16, sizeof(vec4) * _capacity);
|
|
_layer_data[n].width = 4;
|
|
memset(_uvs[n], 0, sizeof(vec4) * _capacity);
|
|
}
|
|
} else {
|
|
_data->tvarray = nullptr;
|
|
}
|
|
}
|
|
|
|
gs::vertex_buffer::~vertex_buffer()
|
|
{
|
|
if (_positions) {
|
|
util::free_aligned(_positions);
|
|
_positions = nullptr;
|
|
}
|
|
if (_normals) {
|
|
util::free_aligned(_normals);
|
|
_normals = nullptr;
|
|
}
|
|
if (_tangents) {
|
|
util::free_aligned(_tangents);
|
|
_tangents = nullptr;
|
|
}
|
|
if (_colors) {
|
|
util::free_aligned(_colors);
|
|
_colors = nullptr;
|
|
}
|
|
for (size_t n = 0; n < _layers; n++) {
|
|
if (_uvs[n]) {
|
|
util::free_aligned(_uvs[n]);
|
|
_uvs[n] = nullptr;
|
|
}
|
|
}
|
|
if (_layer_data) {
|
|
util::free_aligned(_layer_data);
|
|
_layer_data = nullptr;
|
|
}
|
|
if (_data) {
|
|
memset(_data, 0, sizeof(gs_vb_data));
|
|
if (!_buffer) {
|
|
gs_vbdata_destroy(_data);
|
|
_data = nullptr;
|
|
}
|
|
}
|
|
if (_buffer) {
|
|
auto gctx = gs::context();
|
|
gs_vertexbuffer_destroy(_buffer);
|
|
_buffer = nullptr;
|
|
}
|
|
}
|
|
|
|
gs::vertex_buffer::vertex_buffer() : vertex_buffer(MAXIMUM_VERTICES, MAXIMUM_UVW_LAYERS) {}
|
|
|
|
gs::vertex_buffer::vertex_buffer(uint32_t vertices) : vertex_buffer(vertices, MAXIMUM_UVW_LAYERS) {}
|
|
|
|
gs::vertex_buffer::vertex_buffer(uint32_t vertices, uint8_t uvlayers)
|
|
: _size(vertices), _capacity(vertices), _layers(uvlayers), _positions(nullptr), _normals(nullptr),
|
|
_tangents(nullptr), _colors(nullptr), _data(nullptr), _buffer(nullptr), _layer_data(nullptr)
|
|
{
|
|
initialize(vertices, uvlayers);
|
|
|
|
if (vertices > MAXIMUM_VERTICES) {
|
|
throw std::out_of_range("vertices out of range");
|
|
}
|
|
if (uvlayers > MAXIMUM_UVW_LAYERS) {
|
|
throw std::out_of_range("uvlayers out of range");
|
|
}
|
|
|
|
// Allocate GPU
|
|
auto gctx = gs::context();
|
|
_buffer = gs_vertexbuffer_create(_data, GS_DYNAMIC);
|
|
memset(_data, 0, sizeof(gs_vb_data));
|
|
_data->num = _capacity;
|
|
_data->num_tex = _layers;
|
|
if (!_buffer) {
|
|
throw std::runtime_error("Failed to create vertex buffer.");
|
|
}
|
|
}
|
|
|
|
// cppcheck-suppress uninitMemberVar
|
|
gs::vertex_buffer::vertex_buffer(gs_vertbuffer_t* vb)
|
|
: _size(0), _capacity(0), _layers(0), _positions(nullptr), _normals(nullptr), _tangents(nullptr), _colors(nullptr),
|
|
_uvs(), _data(nullptr), _buffer(nullptr), _layer_data(nullptr)
|
|
{
|
|
auto gctx = gs::context();
|
|
gs_vb_data* vbd = gs_vertexbuffer_get_data(vb);
|
|
if (!vbd)
|
|
throw std::runtime_error("vertex buffer with no data");
|
|
|
|
initialize(vbd->num, vbd->num_tex);
|
|
|
|
if (_positions && vbd->points)
|
|
memcpy(_positions, vbd->points, vbd->num * sizeof(vec3));
|
|
if (_normals && vbd->normals)
|
|
memcpy(_normals, vbd->normals, vbd->num * sizeof(vec3));
|
|
if (_tangents && vbd->tangents)
|
|
memcpy(_tangents, vbd->tangents, vbd->num * sizeof(vec3));
|
|
if (_colors && vbd->colors)
|
|
memcpy(_colors, vbd->colors, vbd->num * sizeof(uint32_t));
|
|
if (vbd->tvarray != nullptr) {
|
|
for (size_t n = 0; n < vbd->num_tex; n++) {
|
|
if (vbd->tvarray[n].array != nullptr && vbd->tvarray[n].width <= 4 && vbd->tvarray[n].width > 0) {
|
|
if (vbd->tvarray[n].width == 4) {
|
|
memcpy(_uvs[n], vbd->tvarray[n].array, vbd->num * sizeof(vec4));
|
|
} else if (vbd->tvarray[n].width < 4) {
|
|
for (size_t idx = 0; idx < _capacity; idx++) {
|
|
float* mem = reinterpret_cast<float*>(vbd->tvarray[n].array) + (idx * vbd->tvarray[n].width);
|
|
// cppcheck-suppress memsetClassFloat
|
|
memset(&_uvs[n][idx], 0, sizeof(vec4));
|
|
memcpy(&_uvs[n][idx], mem, vbd->tvarray[n].width);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// cppcheck-suppress uninitMemberVar
|
|
gs::vertex_buffer::vertex_buffer(vertex_buffer const& other) : vertex_buffer(other._capacity)
|
|
{
|
|
// Copy Constructor
|
|
memcpy(_positions, other._positions, _capacity * sizeof(vec3));
|
|
memcpy(_normals, other._normals, _capacity * sizeof(vec3));
|
|
memcpy(_tangents, other._tangents, _capacity * sizeof(vec3));
|
|
memcpy(_colors, other._colors, _capacity * sizeof(vec3));
|
|
for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
|
|
memcpy(_uvs[n], other._uvs[n], _capacity * sizeof(vec3));
|
|
}
|
|
}
|
|
|
|
gs::vertex_buffer::vertex_buffer(vertex_buffer const&& other) noexcept : _uvs()
|
|
{
|
|
// Move Constructor
|
|
_capacity = other._capacity;
|
|
_size = other._size;
|
|
_layers = other._layers;
|
|
_positions = other._positions;
|
|
_normals = other._normals;
|
|
_tangents = other._tangents;
|
|
_colors = other._colors;
|
|
for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
|
|
_uvs[n] = other._uvs[n];
|
|
}
|
|
_data = other._data;
|
|
_buffer = other._buffer;
|
|
_layer_data = other._layer_data;
|
|
}
|
|
|
|
void gs::vertex_buffer::operator=(vertex_buffer const&& other) noexcept
|
|
{
|
|
// Move Assignment
|
|
/// First self-destruct (semi-destruct itself).
|
|
if (_positions) {
|
|
util::free_aligned(_positions);
|
|
_positions = nullptr;
|
|
}
|
|
if (_normals) {
|
|
util::free_aligned(_normals);
|
|
_normals = nullptr;
|
|
}
|
|
if (_tangents) {
|
|
util::free_aligned(_tangents);
|
|
_tangents = nullptr;
|
|
}
|
|
if (_colors) {
|
|
util::free_aligned(_colors);
|
|
_colors = nullptr;
|
|
}
|
|
for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
|
|
if (_uvs[n]) {
|
|
util::free_aligned(_uvs[n]);
|
|
_uvs[n] = nullptr;
|
|
}
|
|
}
|
|
if (_layer_data) {
|
|
util::free_aligned(_layer_data);
|
|
_layer_data = nullptr;
|
|
}
|
|
if (_data) {
|
|
memset(_data, 0, sizeof(gs_vb_data));
|
|
if (!_buffer) {
|
|
gs_vbdata_destroy(_data);
|
|
_data = nullptr;
|
|
}
|
|
}
|
|
if (_buffer) {
|
|
auto gctx = gs::context();
|
|
gs_vertexbuffer_destroy(_buffer);
|
|
_buffer = nullptr;
|
|
}
|
|
|
|
/// Then assign new values.
|
|
_capacity = other._capacity;
|
|
_size = other._size;
|
|
_layers = other._layers;
|
|
_positions = other._positions;
|
|
_normals = other._normals;
|
|
_tangents = other._tangents;
|
|
for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
|
|
_uvs[n] = other._uvs[n];
|
|
}
|
|
_data = other._data;
|
|
_buffer = other._buffer;
|
|
_layer_data = other._layer_data;
|
|
}
|
|
|
|
void gs::vertex_buffer::resize(uint32_t new_size)
|
|
{
|
|
if (new_size > _capacity) {
|
|
throw std::out_of_range("new_size out of range");
|
|
}
|
|
_size = new_size;
|
|
}
|
|
|
|
uint32_t gs::vertex_buffer::size()
|
|
{
|
|
return _size;
|
|
}
|
|
|
|
bool gs::vertex_buffer::empty()
|
|
{
|
|
return _size == 0;
|
|
}
|
|
|
|
const gs::vertex gs::vertex_buffer::at(uint32_t idx)
|
|
{
|
|
if (idx >= _size) {
|
|
throw std::out_of_range("idx out of range");
|
|
}
|
|
|
|
gs::vertex vtx(&_positions[idx], &_normals[idx], &_tangents[idx], &_colors[idx], nullptr);
|
|
for (size_t n = 0; n < _layers; n++) {
|
|
vtx.uv[n] = &_uvs[n][idx];
|
|
}
|
|
return vtx;
|
|
}
|
|
|
|
const gs::vertex gs::vertex_buffer::operator[](uint32_t const pos)
|
|
{
|
|
return at(pos);
|
|
}
|
|
|
|
void gs::vertex_buffer::set_uv_layers(uint32_t layers)
|
|
{
|
|
_layers = layers;
|
|
}
|
|
|
|
uint32_t gs::vertex_buffer::get_uv_layers()
|
|
{
|
|
return _layers;
|
|
}
|
|
|
|
vec3* gs::vertex_buffer::get_positions()
|
|
{
|
|
return _positions;
|
|
}
|
|
|
|
vec3* gs::vertex_buffer::get_normals()
|
|
{
|
|
return _normals;
|
|
}
|
|
|
|
vec3* gs::vertex_buffer::get_tangents()
|
|
{
|
|
return _tangents;
|
|
}
|
|
|
|
uint32_t* gs::vertex_buffer::get_colors()
|
|
{
|
|
return _colors;
|
|
}
|
|
|
|
vec4* gs::vertex_buffer::get_uv_layer(size_t idx)
|
|
{
|
|
if (idx >= _layers) {
|
|
throw std::out_of_range("idx out of range");
|
|
}
|
|
return _uvs[idx];
|
|
}
|
|
|
|
gs_vertbuffer_t* gs::vertex_buffer::update(bool refreshGPU)
|
|
{
|
|
if (!refreshGPU)
|
|
return _buffer;
|
|
|
|
if (_size > _capacity)
|
|
throw std::out_of_range("size is larger than capacity");
|
|
|
|
// Update VertexBuffer data.
|
|
auto gctx = gs::context();
|
|
_data = gs_vertexbuffer_get_data(_buffer);
|
|
memset(_data, 0, sizeof(gs_vb_data));
|
|
_data->num = _capacity;
|
|
_data->points = _positions;
|
|
_data->normals = _normals;
|
|
_data->tangents = _tangents;
|
|
_data->colors = _colors;
|
|
_data->num_tex = _layers;
|
|
_data->tvarray = _layer_data;
|
|
for (size_t n = 0; n < _layers; n++) {
|
|
_layer_data[n].array = _uvs[n];
|
|
_layer_data[n].width = 4;
|
|
}
|
|
|
|
// Update GPU
|
|
gs_vertexbuffer_flush(_buffer);
|
|
|
|
// WORKAROUND: OBS Studio 20.x and below incorrectly deletes data that it doesn't own.
|
|
memset(_data, 0, sizeof(gs_vb_data));
|
|
_data->num = _capacity;
|
|
_data->num_tex = _layers;
|
|
for (uint32_t n = 0; n < _layers; n++) {
|
|
_layer_data[n].width = 4;
|
|
}
|
|
|
|
return _buffer;
|
|
}
|
|
|
|
gs_vertbuffer_t* gs::vertex_buffer::update()
|
|
{
|
|
return update(true);
|
|
}
|