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@ -12,7 +12,6 @@ |
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#include "opencv2/core/opengl.hpp" |
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#include <exception> |
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namespace cv { |
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namespace v4d { |
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namespace detail { |
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@ -36,9 +35,10 @@ FrameBufferContext::~FrameBufferContext() { |
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} |
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void FrameBufferContext::init() { |
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#ifndef OPENCV_V4D_USE_ES3 |
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#if defined(__EMSCRIPTEN__) || !defined(OPENCV_V4D_USE_ES3) |
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if(parent_ != nullptr) { |
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textureID_ = parent_->textureID_; |
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renderBufferID_ = parent_->renderBufferID_; |
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isShared_ = true; |
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} |
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#else |
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@ -91,6 +91,7 @@ void FrameBufferContext::init() { |
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assert(false); |
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} |
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this->makeCurrent(); |
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glfwSwapInterval(0); |
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#ifndef OPENCV_V4D_USE_ES3 |
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if (!gladLoadGLLoader((GLADloadproc) glfwGetProcAddress)) |
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throw std::runtime_error("Could not initialize GLAD!"); |
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@ -124,7 +125,8 @@ void FrameBufferContext::init() { |
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glfwSetCursorPosCallback(getGLFWWindow(), [](GLFWwindow* glfwWin, double x, double y) { |
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V4D* v4d = reinterpret_cast<V4D*>(glfwGetWindowUserPointer(glfwWin)); |
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v4d->nguiCtx().screen().cursor_pos_callback_event(x * v4d->getXPixelRatio(), y * v4d->getXPixelRatio()); |
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if(v4d->hasNguiCtx()) |
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v4d->nguiCtx().screen().cursor_pos_callback_event(x * v4d->getXPixelRatio(), y * v4d->getXPixelRatio()); |
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#ifndef __EMSCRIPTEN__ |
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auto cursor = v4d->getMousePosition(); |
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auto diff = cursor - cv::Vec2f(x, y); |
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@ -138,7 +140,8 @@ void FrameBufferContext::init() { |
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glfwSetMouseButtonCallback(getGLFWWindow(), |
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[](GLFWwindow* glfwWin, int button, int action, int modifiers) { |
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V4D* v4d = reinterpret_cast<V4D*>(glfwGetWindowUserPointer(glfwWin)); |
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v4d->nguiCtx().screen().mouse_button_callback_event(button, action, modifiers); |
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if(v4d->hasNguiCtx()) |
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v4d->nguiCtx().screen().mouse_button_callback_event(button, action, modifiers); |
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if (button == GLFW_MOUSE_BUTTON_RIGHT) { |
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v4d->setMouseDrag(action == GLFW_PRESS); |
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} |
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@ -147,32 +150,36 @@ void FrameBufferContext::init() { |
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glfwSetKeyCallback(getGLFWWindow(), |
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[](GLFWwindow* glfwWin, int key, int scancode, int action, int mods) { |
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V4D* v4d = reinterpret_cast<V4D*>(glfwGetWindowUserPointer(glfwWin)); |
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v4d->nguiCtx().screen().key_callback_event(key, scancode, action, mods); |
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if(v4d->hasNguiCtx()) |
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v4d->nguiCtx().screen().key_callback_event(key, scancode, action, mods); |
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} |
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); |
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glfwSetCharCallback(getGLFWWindow(), [](GLFWwindow* glfwWin, unsigned int codepoint) { |
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V4D* v4d = reinterpret_cast<V4D*>(glfwGetWindowUserPointer(glfwWin)); |
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v4d->nguiCtx().screen().char_callback_event(codepoint); |
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if(v4d->hasNguiCtx()) |
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v4d->nguiCtx().screen().char_callback_event(codepoint); |
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} |
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); |
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glfwSetDropCallback(getGLFWWindow(), |
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[](GLFWwindow* glfwWin, int count, const char** filenames) { |
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V4D* v4d = reinterpret_cast<V4D*>(glfwGetWindowUserPointer(glfwWin)); |
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v4d->nguiCtx().screen().drop_callback_event(count, filenames); |
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if(v4d->hasNguiCtx()) |
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v4d->nguiCtx().screen().drop_callback_event(count, filenames); |
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} |
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); |
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glfwSetScrollCallback(getGLFWWindow(), |
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[](GLFWwindow* glfwWin, double x, double y) { |
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V4D* v4d = reinterpret_cast<V4D*>(glfwGetWindowUserPointer(glfwWin)); |
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std::vector<nanogui::Widget*> widgets; |
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for (auto* w : v4d->nguiCtx().screen().children()) { |
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auto mousePos = nanogui::Vector2i(v4d->getMousePosition()[0] / v4d->getXPixelRatio(), v4d->getMousePosition()[1] / v4d->getYPixelRatio()); |
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if(contains_absolute(w, mousePos)) { |
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v4d->nguiCtx().screen().scroll_callback_event(x, y); |
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return; |
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if(v4d->hasNguiCtx()) { |
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for (auto* w : v4d->nguiCtx().screen().children()) { |
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auto mousePos = nanogui::Vector2i(v4d->getMousePosition()[0] / v4d->getXPixelRatio(), v4d->getMousePosition()[1] / v4d->getYPixelRatio()); |
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if(contains_absolute(w, mousePos)) { |
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v4d->nguiCtx().screen().scroll_callback_event(x, y); |
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return; |
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} |
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} |
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} |
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#ifndef __EMSCRIPTEN__ |
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v4d->zoom(y < 0 ? 1.1 : 0.9); |
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#endif |
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@ -182,7 +189,8 @@ void FrameBufferContext::init() { |
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glfwSetWindowSizeCallback(getGLFWWindow(), |
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[](GLFWwindow* glfwWin, int width, int height) { |
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V4D* v4d = reinterpret_cast<V4D*>(glfwGetWindowUserPointer(glfwWin)); |
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v4d->nguiCtx().screen().resize_callback_event(width, height); |
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if(v4d->hasNguiCtx()) |
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v4d->nguiCtx().screen().resize_callback_event(width, height); |
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cv::Rect& vp = v4d->viewport(); |
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cv::Size fbsz = v4d->getFrameBufferSize(); |
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vp.x = 0; |
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@ -222,7 +230,7 @@ void FrameBufferContext::setup(const cv::Size& sz) { |
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GL_CHECK(glGenTextures(1, &textureID_)); |
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GL_CHECK(glBindTexture(GL_TEXTURE_2D, textureID_)); |
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cerr << "main: " << frameBufferID_ << ":" << textureID_ << endl; |
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texture_ = new cv::ogl::Texture2D(sz, cv::ogl::Texture2D::RGBA, textureID_); |
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GL_CHECK(glPixelStorei(GL_UNPACK_ALIGNMENT, 1)); |
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GL_CHECK( |
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@ -237,15 +245,23 @@ void FrameBufferContext::setup(const cv::Size& sz) { |
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, textureID_, 0)); |
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assert(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE); |
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} else { |
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assert(parent_ != nullptr); |
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GL_CHECK(glGenFramebuffers(1, &frameBufferID_)); |
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GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, frameBufferID_)); |
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GL_CHECK(glBindTexture(GL_TEXTURE_2D, textureID_)); |
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cerr << "leaf: " << frameBufferID_ << ":" << textureID_ << endl; |
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texture_ = new cv::ogl::Texture2D(sz, cv::ogl::Texture2D::RGBA, textureID_); |
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GL_CHECK(glPixelStorei(GL_UNPACK_ALIGNMENT, 1)); |
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GL_CHECK( |
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, sz.width, sz.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0)); |
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GL_CHECK(glBindRenderbuffer(GL_RENDERBUFFER, renderBufferID_)); |
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GL_CHECK( |
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, renderBufferID_)); |
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GL_CHECK( |
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, textureID_, 0)); |
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assert(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE); |
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} |
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} |
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@ -402,9 +418,12 @@ CLExecContext_t& FrameBufferContext::getCLExecContext() { |
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void FrameBufferContext::blitFrameBufferToScreen(const cv::Rect& viewport, |
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const cv::Size& windowSize, bool stretch) { |
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glFinish(); |
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GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, frameBufferID_)); |
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GL_CHECK(glReadBuffer(GL_COLOR_ATTACHMENT0)); |
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GL_CHECK(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0)); |
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glClearColor(0, 0, 0, 0); |
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glClear(GL_COLOR_BUFFER_BIT); |
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double hf = double(windowSize.height) / frameBufferSize_.height; |
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double wf = double(windowSize.width) / frameBufferSize_.width; |
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double f = std::min(hf, wf); |
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@ -424,11 +443,9 @@ void FrameBufferContext::blitFrameBufferToScreen(const cv::Rect& viewport, |
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GLint dstY0 = stretch ? yn : windowSize.height - frameBufferSize_.height; |
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GLint dstX1 = stretch ? wn : frameBufferSize_.width; |
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GLint dstY1 = stretch ? hn : frameBufferSize_.height; |
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GL_CHECK( |
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glBlitFramebuffer( srcX0, srcY0, srcX1, srcY1, |
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dstX0, dstY0, dstX1, dstY1, |
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GL_COLOR_BUFFER_BIT, GL_NEAREST) |
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); |
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GL_COLOR_BUFFER_BIT, GL_NEAREST); |
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} |
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void FrameBufferContext::begin() { |
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@ -437,10 +454,10 @@ void FrameBufferContext::begin() { |
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glGetError(); |
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GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, frameBufferID_)); |
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GL_CHECK(glBindTexture(GL_TEXTURE_2D, textureID_)); |
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GL_CHECK(glBindRenderbuffer(GL_RENDERBUFFER, renderBufferID_)); |
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GL_CHECK( |
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, renderBufferID_)); |
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GL_CHECK(glBindTexture(GL_TEXTURE_2D, textureID_)); |
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GL_CHECK( |
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, textureID_, 0)); |
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assert(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE); |
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@ -449,10 +466,6 @@ void FrameBufferContext::begin() { |
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} |
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void FrameBufferContext::end() { |
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glBindTexture(GL_TEXTURE_2D, 0); |
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glGetError(); |
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glBindRenderbuffer(GL_RENDERBUFFER, 0); |
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glGetError(); |
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glBindFramebuffer(GL_FRAMEBUFFER, 0); |
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glGetError(); |
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glViewport(viewport_[0], viewport_[1], viewport_[2], viewport_[3]); |
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kallaballa
2 years ago