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https://github.com/brunoherbelin/vimix.git
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108 lines
2.6 KiB
C++
108 lines
2.6 KiB
C++
// Opengl
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#include <glad/glad.h>
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <glm/gtc/matrix_access.hpp>
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#include <glm/gtx/vector_angle.hpp>
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#include "imgui.h"
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#include "ImGuiToolkit.h"
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// memmove
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#include <string.h>
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#include <sstream>
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#include <regex>
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#include <iomanip>
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#include "Mixer.h"
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#include "defines.h"
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#include "Settings.h"
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#include "Session.h"
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#include "Resource.h"
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#include "Source.h"
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#include "SessionSource.h"
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#include "PickingVisitor.h"
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#include "BoundingBoxVisitor.h"
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#include "DrawVisitor.h"
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#include "Decorations.h"
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#include "Mixer.h"
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#include "UserInterfaceManager.h"
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#include "UpdateCallback.h"
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#include "ActionManager.h"
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#include "Log.h"
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#include "RenderView.h"
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RenderView::RenderView() : View(RENDERING), frame_buffer_(nullptr), fading_overlay_(nullptr)
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{
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}
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RenderView::~RenderView()
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{
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if (frame_buffer_)
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delete frame_buffer_;
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if (fading_overlay_)
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delete fading_overlay_;
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}
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bool RenderView::canSelect(Source *s) {
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return false;
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}
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void RenderView::setFading(float f)
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{
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if (fading_overlay_ == nullptr)
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fading_overlay_ = new Surface;
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fading_overlay_->shader()->color.a = CLAMP( f < EPSILON ? 0.f : f, 0.f, 1.f);
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}
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float RenderView::fading() const
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{
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if (fading_overlay_)
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return fading_overlay_->shader()->color.a;
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else
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return 0.f;
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}
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void RenderView::setResolution(glm::vec3 resolution, bool useAlpha)
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{
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// use default resolution if invalid resolution is given (default behavior)
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if (resolution.x < 2.f || resolution.y < 2.f)
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resolution = FrameBuffer::getResolutionFromParameters(Settings::application.render.ratio, Settings::application.render.res);
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// do we need to change resolution ?
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if (frame_buffer_ && frame_buffer_->resolution() != resolution) {
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// new frame buffer
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delete frame_buffer_;
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frame_buffer_ = nullptr;
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}
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if (!frame_buffer_)
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// output frame is an RBG Multisamples FrameBuffer
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frame_buffer_ = new FrameBuffer(resolution, useAlpha, true);
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// reset fading
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setFading();
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}
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void RenderView::draw()
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{
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static glm::mat4 projection = glm::ortho(-1.f, 1.f, 1.f, -1.f, -SCENE_DEPTH, 1.f);
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if (frame_buffer_) {
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// draw in frame buffer
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glm::mat4 P = glm::scale( projection, glm::vec3(1.f / frame_buffer_->aspectRatio(), 1.f, 1.f));
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// render the scene normally (pre-multiplied alpha in RGB)
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frame_buffer_->begin();
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scene.root()->draw(glm::identity<glm::mat4>(), P);
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fading_overlay_->draw(glm::identity<glm::mat4>(), projection);
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frame_buffer_->end();
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}
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}
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