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More options in the toolbox. User settings for selection of blit render

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brunoherbelin
2020-06-27 13:27:06 +02:00
parent 44901f6756
commit 02ef340ef5
5 changed files with 111 additions and 101 deletions
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4
FrameBuffer.cpp
View File

@@ -51,7 +51,7 @@ void FrameBuffer::init()
glBindFramebuffer(GL_FRAMEBUFFER, framebufferid_);
// take settings into account: no multisampling for level 0
use_multi_sampling_ &= Settings::application.multisampling_level > 0;
use_multi_sampling_ &= Settings::application.render_multisampling > 0;
if (use_multi_sampling_){
@@ -60,7 +60,7 @@ void FrameBuffer::init()
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, intermediate_textureid_);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, Settings::application.multisampling_level,
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, Settings::application.render_multisampling,
use_alpha_ ? GL_RGBA : GL_RGB, attrib_.viewport.x, attrib_.viewport.y, GL_TRUE);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, 0);

180
RenderingManager.cpp
View File

@@ -135,7 +135,7 @@ bool Rendering::init()
//
// OpenGL Multisampling main window
//
glfwWindowHint(GLFW_SAMPLES, Settings::application.multisampling_level);
glfwWindowHint(GLFW_SAMPLES, Settings::application.render_multisampling);
main_.init(0);
// set application icon
main_.setIcon("images/vimix_256x256.png");
@@ -209,23 +209,21 @@ void Rendering::pushBackDrawCallback(RenderingCallback function)
void Rendering::draw()
{
// Poll and handle events (inputs, window resize, etc.)
// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application.
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
glfwPollEvents();
// operate on main window context
main_.makeCurrent();
// User Interface step 1
UserInterface::manager().NewFrame();
// Custom draw
std::list<Rendering::RenderingCallback>::iterator iter;
for (iter=draw_callbacks_.begin(); iter != draw_callbacks_.end(); iter++)
{
(*iter)();
}
// User Interface step 2
UserInterface::manager().Render();
// perform screenshot if requested
@@ -238,11 +236,18 @@ void Rendering::draw()
// swap GL buffers
glfwSwapBuffers(main_.window());
// draw output window (and swap buffer output)
output_.draw( Mixer::manager().session()->frame() );
// Poll and handle events (inputs, window resize, etc.)
// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application.
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
glfwPollEvents();
// no g_main_loop_run(loop) : update global GMainContext
g_main_context_iteration(NULL, FALSE);
// draw output window
output_.draw( Mixer::manager().session()->frame() );
}
@@ -523,11 +528,12 @@ bool RenderingWindow::init(int id, GLFWwindow *share)
return false;
}
// store global ref to pointers (used by callbacks)
GLFW_window_[window_] = this;
// set position
glfwSetWindowPos(window_, winset.x, winset.y);
/// CALLBACKS
// store global ref to pointers (used by callbacks)
GLFW_window_[window_] = this;
// window position and resize callbacks
glfwSetWindowSizeCallback( window_, WindowResizeCallback );
// glfwSetFramebufferSizeCallback( window_, WindowResizeCallback );
@@ -536,11 +542,11 @@ bool RenderingWindow::init(int id, GLFWwindow *share)
// take opengl context ownership
glfwMakeContextCurrent(window_);
//
// Initialize OpenGL loader on first call
//
static bool glad_initialized = false;
if ( !glad_initialized ) {
//
// Initialize OpenGL loader
//
bool err = gladLoadGLLoader((GLADloadproc) glfwGetProcAddress) == 0;
if (err) {
Log::Error("Failed to initialize GLAD OpenGL loader.");
@@ -566,7 +572,7 @@ bool RenderingWindow::init(int id, GLFWwindow *share)
// no need for multisampling
glDisable(GL_MULTISAMPLE);
// clear to black
window_attributes_.clear_color = glm::vec4(0.f, 0.f, 0.f, 1.0);
window_attributes_.clear_color = glm::vec4(0.f, 0.f, 0.f, 1.f);
// give back context ownership
glfwMakeContextCurrent(master_);
}
@@ -574,12 +580,12 @@ bool RenderingWindow::init(int id, GLFWwindow *share)
// Enable vsync on main window
glfwSwapInterval(1);
// enable Antialiasing multisampling
if (Settings::application.multisampling_level > 0) {
if (Settings::application.render_multisampling > 0) {
glEnable(GL_MULTISAMPLE);
glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST);
}
// clear to grey
window_attributes_.clear_color = glm::vec4(COLOR_BGROUND, 1.0);
window_attributes_.clear_color = glm::vec4(COLOR_BGROUND, 1.f);
}
return true;
@@ -635,7 +641,7 @@ void RenderingWindow::makeCurrent()
void RenderingWindow::draw(FrameBuffer *fb)
{
if (!window_)
if (!window_ || !fb)
return;
// only draw if window is not iconified
@@ -651,84 +657,78 @@ void RenderingWindow::draw(FrameBuffer *fb)
Rendering::manager().pushAttrib(window_attributes_);
glClear(GL_COLOR_BUFFER_BIT);
// draw frame buffer provided
if (fb) {
// blit framebuffer
if (Settings::application.render_blit) {
static int attached_textureid_fbo_ = 0;
static uint local_fbo_ = 0;
if ( attached_textureid_fbo_ != fb->texture()) {
if (false) {
// VAO is not shared between multiple contexts of different windows
// so we have to create a new VAO for rendering the surface in this window
static WindowSurface *surface = new WindowSurface;
static glm::mat4 projection = glm::ortho(-1.f, 1.f, -1.f, 1.f, -1.f, 1.f);
// create a new fbo in this opengl context
if (local_fbo_ != 0)
glDeleteFramebuffers(1, &local_fbo_);
glGenFramebuffers(1, &local_fbo_);
glBindFramebuffer(GL_FRAMEBUFFER, local_fbo_);
// calculate scaling factor of frame buffer inside window
float windowAspectRatio = aspectRatio();
float renderingAspectRatio = fb->aspectRatio();
glm::vec3 scale;
if (windowAspectRatio < renderingAspectRatio)
scale = glm::vec3(1.f, windowAspectRatio / renderingAspectRatio, 1.f);
else
scale = glm::vec3(renderingAspectRatio / windowAspectRatio, 1.f, 1.f);
// attach the 2D texture to local FBO
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, fb->texture(), 0);
attached_textureid_fbo_ = fb->texture();
// draw
ShadingProgram::enduse();
glBindTexture(GL_TEXTURE_2D, fb->texture());
// surface->shader()->color.a = 0.4f; // TODO alpha blending ?
surface->draw(glm::scale(glm::identity<glm::mat4>(), scale), projection);
// done drawing
ShadingProgram::enduse();
glBindTexture(GL_TEXTURE_2D, 0);
Log::Info("Blit to output window enabled.");
}
else {
static int attached_textureid_fbo_ = 0;
static uint local_fbo_ = 0;
if ( attached_textureid_fbo_ != fb->texture()) {
// create a new fbo in this opengl context
if (local_fbo_ != 0)
glDeleteFramebuffers(1, &local_fbo_);
glGenFramebuffers(1, &local_fbo_);
glBindFramebuffer(GL_FRAMEBUFFER, local_fbo_);
// attach the 2D texture to local FBO
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, fb->texture(), 0);
attached_textureid_fbo_ = fb->texture();
Log::Info("Blit to output window enabled.");
}
// calculate scaling factor of frame buffer inside window
int rx, ry, rw, rh;
float renderingAspectRatio = fb->aspectRatio();
if (aspectRatio() < renderingAspectRatio) {
int nh = (int)( float(window_attributes_.viewport.x) / renderingAspectRatio);
rx = 0;
ry = (window_attributes_.viewport.y - nh) / 2;
rw = window_attributes_.viewport.x;
rh = (window_attributes_.viewport.y + nh) / 2;
} else {
int nw = (int)( float(window_attributes_.viewport.y) * renderingAspectRatio );
rx = (window_attributes_.viewport.x - nw) / 2;
ry = 0;
rw = (window_attributes_.viewport.x + nw) / 2;
rh = window_attributes_.viewport.y;
}
// select fbo texture read target
glBindFramebuffer(GL_READ_FRAMEBUFFER, local_fbo_);
// select screen target
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
// glBlitFramebuffer(0, 0, fb->width(), fb->height(), 0, 0, window_attributes_.viewport.x, window_attributes_.viewport.y, GL_COLOR_BUFFER_BIT, GL_NEAREST);
glBlitFramebuffer(0, fb->height(), fb->width(), 0, rx, ry, rw, rh, GL_COLOR_BUFFER_BIT, GL_LINEAR);
// calculate scaling factor of frame buffer inside window
int rx, ry, rw, rh;
float renderingAspectRatio = fb->aspectRatio();
if (aspectRatio() < renderingAspectRatio) {
int nh = (int)( float(window_attributes_.viewport.x) / renderingAspectRatio);
rx = 0;
ry = (window_attributes_.viewport.y - nh) / 2;
rw = window_attributes_.viewport.x;
rh = (window_attributes_.viewport.y + nh) / 2;
} else {
int nw = (int)( float(window_attributes_.viewport.y) * renderingAspectRatio );
rx = (window_attributes_.viewport.x - nw) / 2;
ry = 0;
rw = (window_attributes_.viewport.x + nw) / 2;
rh = window_attributes_.viewport.y;
}
// select fbo texture read target
glBindFramebuffer(GL_READ_FRAMEBUFFER, local_fbo_);
// select screen target
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
// glBlitFramebuffer(0, 0, fb->width(), fb->height(), 0, 0, window_attributes_.viewport.x, window_attributes_.viewport.y, GL_COLOR_BUFFER_BIT, GL_NEAREST);
glBlitFramebuffer(0, fb->height(), fb->width(), 0, rx, ry, rw, rh, GL_COLOR_BUFFER_BIT, GL_LINEAR);
}
else {
Log::Info("No Framebuffer Provided to draw Rendering Window");
// draw geometry
else
{
// VAO is not shared between multiple contexts of different windows
// so we have to create a new VAO for rendering the surface in this window
static WindowSurface *surface = new WindowSurface;
static glm::mat4 projection = glm::ortho(-1.f, 1.f, -1.f, 1.f, -1.f, 1.f);
// calculate scaling factor of frame buffer inside window
float windowAspectRatio = aspectRatio();
float renderingAspectRatio = fb->aspectRatio();
glm::vec3 scale;
if (windowAspectRatio < renderingAspectRatio)
scale = glm::vec3(1.f, windowAspectRatio / renderingAspectRatio, 1.f);
else
scale = glm::vec3(renderingAspectRatio / windowAspectRatio, 1.f, 1.f);
// draw
ShadingProgram::enduse();
glBindTexture(GL_TEXTURE_2D, fb->texture());
// surface->shader()->color.a = 0.4f; // TODO alpha blending ?
surface->draw(glm::scale(glm::identity<glm::mat4>(), scale), projection);
// done drawing
ShadingProgram::enduse();
glBindTexture(GL_TEXTURE_2D, 0);
}
// restore attribs

6
Settings.cpp
View File

@@ -64,7 +64,8 @@ void Settings::Save()
applicationNode->SetAttribute("toolbox", application.toolbox);
applicationNode->SetAttribute("framebuffer_ar", application.framebuffer_ar);
applicationNode->SetAttribute("framebuffer_h", application.framebuffer_h);
applicationNode->SetAttribute("multisampling_level", application.multisampling_level);
applicationNode->SetAttribute("multisampling_level", application.render_multisampling);
applicationNode->SetAttribute("render_blit", application.render_blit);
pRoot->InsertEndChild(applicationNode);
// bloc views
@@ -169,7 +170,8 @@ void Settings::Load()
pElement->QueryIntAttribute("stats_corner", &application.stats_corner);
pElement->QueryIntAttribute("framebuffer_ar", &application.framebuffer_ar);
pElement->QueryIntAttribute("framebuffer_h", &application.framebuffer_h);
pElement->QueryIntAttribute("multisampling_level", &application.multisampling_level);
pElement->QueryIntAttribute("multisampling_level", &application.render_multisampling);
pElement->QueryBoolAttribute("render_blit", &application.render_blit);
// bloc windows
{

6
Settings.h
View File

@@ -77,7 +77,8 @@ struct Application
std::map<int, ViewConfig> views;
int framebuffer_ar;
int framebuffer_h;
int multisampling_level;
int render_multisampling;
bool render_blit;
// multiple windows handling
std::vector<WindowConfig> windows;
@@ -100,7 +101,8 @@ struct Application
current_view = 1;
framebuffer_ar = 3;
framebuffer_h = 1;
multisampling_level = 2; // todo GUI selection
render_multisampling = 2; // todo GUI selection
render_blit = false;
std::vector<int> second (4,100);
windows = std::vector<WindowConfig>(3);
windows[0].name = APP_NAME APP_TITLE;

16
UserInterfaceManager.cpp
View File

@@ -678,14 +678,20 @@ void ToolBox::Render()
// Menu Bar
if (ImGui::BeginMenuBar())
{
if (ImGui::BeginMenu("Tools"))
if (ImGui::BeginMenu("Render"))
{
if ( ImGui::MenuItem( ICON_FA_CAMERA_RETRO " Screenshot", NULL) )
if ( ImGui::MenuItem( ICON_FA_CAMERA_RETRO " Screenshot") )
UserInterface::manager().StartScreenshot();
ImGui::MenuItem("Dev", NULL, false, false);
ImGui::MenuItem("Icons", NULL, &show_icons_window);
ImGui::MenuItem("Demo ImGui", NULL, &show_demo_window);
ImGui::MenuItem("Blit", nullptr, &Settings::application.render_blit);
ImGui::MenuItem("Multisampling", nullptr, (Settings::application.render_multisampling > 0), false);
ImGui::EndMenu();
}
if (ImGui::BeginMenu("Dev"))
{
ImGui::MenuItem("Icons", nullptr, &show_icons_window);
ImGui::MenuItem("Demo ImGui", nullptr, &show_demo_window);
ImGui::EndMenu();
}