115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
#include "renderthread.h"
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#include <QApplication>
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#include <QImage>
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#include <QOpenGLFunctions>
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#include <QDebug>
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#include "ui/renderfunctions.h"
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#include "playback/playback.h"
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RenderThread::RenderThread() :
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share_ctx(nullptr),
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ctx(nullptr),
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frameBuffer(0),
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texColorBuffer(0)
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{
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surface.create();
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}
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RenderThread::~RenderThread() {
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surface.destroy();
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}
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void RenderThread::run() {
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mutex.lock();
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bool running = true;
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while (running) {
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waitCond.wait(&mutex);
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if (share_ctx != nullptr) {
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if (ctx == nullptr) {
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ctx = new QOpenGLContext();
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ctx->setFormat(share_ctx->format());
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ctx->setShareContext(share_ctx);
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ctx->create();
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ctx->makeCurrent(&surface);
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}
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if (ctx != nullptr) {
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// gen fbo
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if (frameBuffer == 0) {
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ctx->functions()->glGenFramebuffers(1, &frameBuffer);
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}
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// bind
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ctx->functions()->glBindFramebuffer(GL_DRAW_FRAMEBUFFER, frameBuffer);
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// gen texture
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if (texColorBuffer == 0) {
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glGenTextures(1, &texColorBuffer);
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glBindTexture(GL_TEXTURE_2D, texColorBuffer);
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glTexImage2D(
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GL_TEXTURE_2D, 0, GL_RGB, 1920, 1080, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr
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);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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ctx->functions()->glFramebufferTexture2D(
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GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texColorBuffer, 0
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);
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glBindTexture(GL_TEXTURE_2D, 0);
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}
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// draw
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paint();
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// flush changes
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glFlush();
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// release
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ctx->functions()->glBindFramebuffer(GL_FRAMEBUFFER, 0);
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}
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}
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}
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if (ctx != nullptr) {
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if (frameBuffer != 0) ctx->functions()->glDeleteFramebuffers(1, &frameBuffer);
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ctx->doneCurrent();
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delete ctx;
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}
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mutex.unlock();
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}
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void RenderThread::paint() {
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glLoadIdentity();
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texture_failed = false;
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glClearColor(0, 0, 0, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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glClearColor(0, 0, 0, 0);
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glMatrixMode(GL_MODELVIEW);
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glEnable(GL_TEXTURE_2D);
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glEnable(GL_BLEND);
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glEnable(GL_DEPTH);
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Effect* gizmos; // does nothing yet
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QVector<Clip*> nests;
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compose_sequence(nullptr, ctx, seq, nests, true, false, &gizmos);
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glDisable(GL_DEPTH);
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glDisable(GL_BLEND);
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glDisable(GL_TEXTURE_2D);
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}
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void RenderThread::start_render(QOpenGLContext *share, Sequence *s, int idivider) {
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share_ctx = share;
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seq = s;
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waitCond.wakeAll();
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}
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