itsmattkc
1d61f89920
- Abstracts all OpenGL functionality including UI objects - Cleans up several rendering codepaths - Improves threading functionality - Removes old code and problematic functions
118 lines
2.6 KiB
C++
118 lines
2.6 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "scopebase.h"
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OLIVE_NAMESPACE_ENTER
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ScopeBase::ScopeBase(QWidget* parent) :
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ManagedDisplayWidget(parent),
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buffer_(nullptr)
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{
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EnableDefaultContextMenu();
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}
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ScopeBase::~ScopeBase()
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{
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OnDestroy();
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}
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void ScopeBase::SetBuffer(Frame *frame)
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{
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buffer_ = frame;
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UploadTextureFromBuffer();
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}
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void ScopeBase::showEvent(QShowEvent* e)
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{
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ManagedDisplayWidget::showEvent(e);
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UploadTextureFromBuffer();
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}
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void ScopeBase::DrawScope(Renderer::TexturePtr managed_tex, QVariant pipeline)
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{
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renderer()->Blit(managed_tex.get(), pipeline, Renderer::ShaderUniformMap());
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}
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void ScopeBase::UploadTextureFromBuffer()
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{
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if (!isVisible()) {
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return;
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}
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if (buffer_) {
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makeCurrent();
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if (!texture_
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|| texture_->width() != buffer_->width()
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|| texture_->height() != buffer_->height()
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|| texture_->format() != buffer_->format()) {
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texture_ = nullptr;
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managed_tex_ = nullptr;
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texture_ = renderer()->CreateTexture(buffer_->video_params(),
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buffer_->data(), buffer_->linesize_pixels());
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managed_tex_ = renderer()->CreateTexture(buffer_->video_params());
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} else {
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texture_->Upload(buffer_->data(), buffer_->linesize_pixels());
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}
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doneCurrent();
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}
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update();
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}
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void ScopeBase::OnInit()
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{
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ManagedDisplayWidget::OnInit();
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UploadTextureFromBuffer();
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pipeline_ = renderer()->CreateNativeShader(GenerateShaderCode());
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}
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void ScopeBase::OnPaint()
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{
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// Clear display surface
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renderer()->ClearDestination();
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if (buffer_) {
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// Convert reference frame to display space
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renderer()->BlitColorManaged(color_service(), texture_.get(), managed_tex_.get());
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renderer()->SetViewport(width(), height());
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DrawScope(managed_tex_, pipeline_);
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}
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}
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void ScopeBase::OnDestroy()
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{
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ManagedDisplayWidget::OnDestroy();
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managed_tex_ = nullptr;
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texture_ = nullptr;
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pipeline_.clear();
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}
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OLIVE_NAMESPACE_EXIT
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