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https://github.com/Xaymar/obs-StreamFX
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gs-vertexbuffer: Implement copy and move constructor/assignment
This commit is contained in:
Michael Fabian 'Xaymar' Dirks
parent
b4d63e919e
commit
3a05c08daf
2 changed files with 203 additions and 65 deletions
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@ -27,44 +27,6 @@ extern "C" {
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#pragma warning( pop )
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}
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#pragma region Constructor & Destructor
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GS::VertexBuffer::VertexBuffer(uint32_t maximumVertices) {
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if (maximumVertices > MAXIMUM_VERTICES) {
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throw std::out_of_range("maximumVertices out of range");
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}
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// Assign limits.
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m_capacity = maximumVertices;
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m_layers = MAXIMUM_UVW_LAYERS;
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// Allocate memory for data.
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m_vertexbufferdata = gs_vbdata_create();
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m_vertexbufferdata->num = m_capacity;
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m_vertexbufferdata->points = m_positions = (vec3*)util::malloc_aligned(16, sizeof(vec3) * m_capacity);
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m_vertexbufferdata->normals = m_normals = (vec3*)util::malloc_aligned(16, sizeof(vec3) * m_capacity);
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m_vertexbufferdata->tangents = m_tangents = (vec3*)util::malloc_aligned(16, sizeof(vec3) * m_capacity);
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m_vertexbufferdata->colors = m_colors = (uint32_t*)util::malloc_aligned(16, sizeof(uint32_t) * m_capacity);
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m_vertexbufferdata->num_tex = m_layers;
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m_vertexbufferdata->tvarray = m_layerdata = (gs_tvertarray*)util::malloc_aligned(16, sizeof(gs_tvertarray)* m_layers);
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for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
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m_layerdata[n].array = m_uvs[n] = (vec4*)util::malloc_aligned(16, sizeof(vec4) * m_capacity);
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m_layerdata[n].width = 4;
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}
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// Allocate GPU
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obs_enter_graphics();
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m_vertexbuffer = gs_vertexbuffer_create(m_vertexbufferdata, GS_DYNAMIC);
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std::memset(m_vertexbufferdata, 0, sizeof(gs_vb_data));
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m_vertexbufferdata->num = m_capacity;
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m_vertexbufferdata->num_tex = m_layers;
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obs_leave_graphics();
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if (!m_vertexbuffer) {
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throw std::runtime_error("Failed to create vertex buffer.");
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}
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}
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GS::VertexBuffer::VertexBuffer() : VertexBuffer(MAXIMUM_VERTICES) {}
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GS::VertexBuffer::~VertexBuffer() {
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if (m_positions) {
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util::free_aligned(m_positions);
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@ -106,17 +68,163 @@ GS::VertexBuffer::~VertexBuffer() {
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m_vertexbuffer = nullptr;
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}
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}
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#pragma endregion Constructor & Destructor
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#pragma region Copy & Move Constructor
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GS::VertexBuffer::VertexBuffer(VertexBuffer& other) : VertexBuffer(other.m_capacity) {
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GS::VertexBuffer::VertexBuffer(uint32_t maximumVertices) {
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if (maximumVertices > MAXIMUM_VERTICES) {
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throw std::out_of_range("maximumVertices out of range");
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}
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// Assign limits.
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m_capacity = maximumVertices;
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m_layers = MAXIMUM_UVW_LAYERS;
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// Allocate memory for data.
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m_vertexbufferdata = gs_vbdata_create();
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m_vertexbufferdata->num = m_capacity;
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m_vertexbufferdata->points = m_positions = (vec3*)util::malloc_aligned(16, sizeof(vec3) * m_capacity);
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std::memset(m_positions, 0, sizeof(vec3) * m_capacity);
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m_vertexbufferdata->normals = m_normals = (vec3*)util::malloc_aligned(16, sizeof(vec3) * m_capacity);
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std::memset(m_normals, 0, sizeof(vec3) * m_capacity);
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m_vertexbufferdata->tangents = m_tangents = (vec3*)util::malloc_aligned(16, sizeof(vec3) * m_capacity);
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std::memset(m_tangents, 0, sizeof(vec3) * m_capacity);
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m_vertexbufferdata->colors = m_colors = (uint32_t*)util::malloc_aligned(16, sizeof(uint32_t) * m_capacity);
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std::memset(m_colors, 0, sizeof(uint32_t) * m_capacity);
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m_vertexbufferdata->num_tex = m_layers;
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m_vertexbufferdata->tvarray = m_layerdata = (gs_tvertarray*)util::malloc_aligned(16, sizeof(gs_tvertarray)* m_layers);
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for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
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m_layerdata[n].array = m_uvs[n] = (vec4*)util::malloc_aligned(16, sizeof(vec4) * m_capacity);
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m_layerdata[n].width = 4;
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std::memset(m_uvs[n], 0, sizeof(vec4) * m_capacity);
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}
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// Allocate GPU
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obs_enter_graphics();
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m_vertexbuffer = gs_vertexbuffer_create(m_vertexbufferdata, GS_DYNAMIC);
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std::memset(m_vertexbufferdata, 0, sizeof(gs_vb_data));
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m_vertexbufferdata->num = m_capacity;
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m_vertexbufferdata->num_tex = m_layers;
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obs_leave_graphics();
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if (!m_vertexbuffer) {
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throw std::runtime_error("Failed to create vertex buffer.");
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}
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}
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GS::VertexBuffer::VertexBuffer(gs_vertbuffer_t* vb) {
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m_vertexbuffer = vb;
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gs_vb_data* vbd = gs_vertexbuffer_get_data(vb);
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VertexBuffer((uint32_t)vbd->num);
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this->set_uv_layers((uint32_t)vbd->num_tex);
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if (vbd->points != nullptr)
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std::memcpy(m_positions, vbd->points, vbd->num * sizeof(vec3));
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if (vbd->normals != nullptr)
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std::memcpy(m_normals, vbd->normals, vbd->num * sizeof(vec3));
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if (vbd->tangents != nullptr)
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std::memcpy(m_tangents, vbd->tangents, vbd->num * sizeof(vec3));
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if (vbd->colors != nullptr)
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std::memcpy(m_colors, vbd->colors, vbd->num * sizeof(uint32_t));
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if (vbd->tvarray != nullptr) {
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for (size_t n = 0; n < vbd->num_tex; n++) {
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if (vbd->tvarray[n].array != nullptr && vbd->tvarray[n].width <= 4 && vbd->tvarray[n].width > 0) {
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if (vbd->tvarray[n].width == 4) {
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std::memcpy(m_uvs[n], vbd->tvarray[n].array, vbd->num * sizeof(vec4));
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} else {
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for (size_t idx = 0; idx < m_capacity; idx++) {
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float* mem = reinterpret_cast<float*>(vbd->tvarray[n].array)
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+ (idx * vbd->tvarray[n].width);
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std::memset(&m_uvs[n][idx], 0, sizeof(vec4));
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std::memcpy(&m_uvs[n][idx], mem, vbd->tvarray[n].width);
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}
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}
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}
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}
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}
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}
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GS::VertexBuffer::VertexBuffer(VertexBuffer const& other) : VertexBuffer(other.m_capacity) {
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// Copy Constructor
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std::memcpy(m_positions, other.m_positions, m_capacity * sizeof(vec3));
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std::memcpy(m_normals, other.m_normals, m_capacity * sizeof(vec3));
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std::memcpy(m_tangents, other.m_tangents, m_capacity * sizeof(vec3));
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std::memcpy(m_colors, other.m_colors, m_capacity * sizeof(vec3));
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for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
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std::memcpy(m_uvs[n], other.m_uvs[n], m_capacity * sizeof(vec3));
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}
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}
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GS::VertexBuffer::VertexBuffer(VertexBuffer const&& other) {
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// Move Constructor
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m_capacity = other.m_capacity;
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m_size = other.m_size;
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m_layers = other.m_layers;
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m_positions = other.m_positions;
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m_normals = other.m_normals;
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m_tangents = other.m_tangents;
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for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
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m_uvs[n] = other.m_uvs[n];
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}
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m_vertexbufferdata = other.m_vertexbufferdata;
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m_vertexbuffer = other.m_vertexbuffer;
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m_layerdata = other.m_layerdata;
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}
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void GS::VertexBuffer::operator=(VertexBuffer const&& other) {
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// Move Assignment
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/// First self-destruct (semi-destruct itself).
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if (m_positions) {
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util::free_aligned(m_positions);
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m_positions = nullptr;
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}
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if (m_normals) {
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util::free_aligned(m_normals);
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m_normals = nullptr;
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}
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if (m_tangents) {
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util::free_aligned(m_tangents);
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m_tangents = nullptr;
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}
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if (m_colors) {
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util::free_aligned(m_colors);
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m_colors = nullptr;
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}
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for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
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if (m_uvs[n]) {
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util::free_aligned(m_uvs[n]);
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m_uvs[n] = nullptr;
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}
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}
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if (m_layerdata) {
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util::free_aligned(m_layerdata);
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m_layerdata = nullptr;
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}
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if (m_vertexbufferdata) {
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std::memset(m_vertexbufferdata, 0, sizeof(gs_vb_data));
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if (!m_vertexbuffer) {
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gs_vbdata_destroy(m_vertexbufferdata);
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m_vertexbufferdata = nullptr;
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}
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}
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if (m_vertexbuffer) {
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obs_enter_graphics();
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gs_vertexbuffer_destroy(m_vertexbuffer);
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obs_leave_graphics();
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m_vertexbuffer = nullptr;
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}
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/// Then assign new values.
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m_capacity = other.m_capacity;
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m_size = other.m_size;
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m_layers = other.m_layers;
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m_positions = other.m_positions;
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m_normals = other.m_normals;
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m_tangents = other.m_tangents;
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for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
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m_uvs[n] = other.m_uvs[n];
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}
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m_vertexbufferdata = other.m_vertexbufferdata;
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m_vertexbuffer = other.m_vertexbuffer;
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m_layerdata = other.m_layerdata;
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}
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#pragma endregion Copy & Move Constructor
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void GS::VertexBuffer::resize(size_t new_size) {
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if (new_size > m_capacity) {
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@ -161,6 +269,7 @@ uint32_t GS::VertexBuffer::uv_layers() {
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return m_layers;
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}
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gs_vertbuffer_t* GS::VertexBuffer::get(bool refreshGPU) {
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if (!refreshGPU)
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return m_vertexbuffer;
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@ -24,41 +24,31 @@
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#include "util-memory.h"
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#include <inttypes.h>
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extern "C" {
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#pragma warning( push )
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#pragma warning( disable: 4201 )
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#include <libobs/graphics/graphics.h>
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#pragma warning( pop )
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#pragma warning( push )
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#pragma warning( disable: 4201 )
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#include <libobs/graphics/graphics.h>
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#pragma warning( pop )
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}
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namespace GS {
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class VertexBuffer {
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public:
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#pragma region Constructor & Destructor
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#pragma region Constructor & Destructor
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virtual ~VertexBuffer();
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/*!
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* \brief Create a Vertex Buffer with specific size
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* \brief Create a Vertex Buffer with a specific number of Vertices.
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*
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* \param maximumVertices Maximum amount of vertices to store.
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*/
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VertexBuffer(uint32_t maximumVertices);
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/*!
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* \brief Create a Vertex Buffer with default size
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* This will create a new vertex buffer with the default maximum size.
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* \brief Create a Vertex Buffer with the maximum number of Vertices.
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*
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* \param maximumVertices Maximum amount of vertices to store.
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*/
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VertexBuffer();
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virtual ~VertexBuffer();
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#pragma endregion Constructor & Destructor
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#pragma region Copy & Move Constructor
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/*!
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* \brief Create a copy of a Vertex Buffer
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* Full Description below
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*
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* \param other The Vertex Buffer to copy
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*/
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VertexBuffer(VertexBuffer& other);
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VertexBuffer() : VertexBuffer(MAXIMUM_VERTICES) {};
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/*!
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* \brief Create a copy of a Vertex Buffer
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@ -67,7 +57,46 @@ namespace GS {
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* \param other The Vertex Buffer to copy
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*/
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VertexBuffer(gs_vertbuffer_t* other);
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#pragma endregion Copy & Move Constructor
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#pragma endregion Constructor & Destructor
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#pragma region Copy/Move Constructors
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// Copy Constructor & Assignments
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/*!
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* \brief Copy Constructor
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*
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*
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* \param other
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*/
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VertexBuffer(VertexBuffer const& other);
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/*!
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* \brief Copy Assignment
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* Unsafe operation and as such marked as deleted.
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*
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* \param other
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*/
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void operator=(VertexBuffer const& other) = delete;
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// Move Constructor & Assignments
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/*!
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* \brief Move Constructor
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*
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*
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* \param other
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*/
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VertexBuffer(VertexBuffer const&& other);
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/*!
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* \brief Move Assignment
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*
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*
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* \param other
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*/
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void operator=(VertexBuffer const&& other);
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#pragma endregion Copy/Move Constructors
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void resize(size_t new_size);
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