142 lines
3.6 KiB
C++
142 lines
3.6 KiB
C++
/*
|
|
* Oak Video Editor - Non-Linear Video Editor
|
|
* Copyright (C) 2025 Olive CE Team
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef OPENGLCONTEXT_H
|
|
#define OPENGLCONTEXT_H
|
|
|
|
#include <QOffscreenSurface>
|
|
#include <QOpenGLBuffer>
|
|
#include <QOpenGLFunctions>
|
|
#include <QOpenGLShader>
|
|
#include <QOpenGLVertexArrayObject>
|
|
#include <QThread>
|
|
#include <QTimer>
|
|
|
|
#include "render/renderer.h"
|
|
|
|
namespace olive
|
|
{
|
|
|
|
class OpenGLRenderer : public Renderer {
|
|
Q_OBJECT
|
|
public:
|
|
OpenGLRenderer(QObject *parent = nullptr);
|
|
|
|
virtual ~OpenGLRenderer() override;
|
|
|
|
void Init(QOpenGLContext *existing_ctx);
|
|
|
|
virtual bool Init() override;
|
|
|
|
virtual void PostDestroy() override;
|
|
|
|
virtual void PostInit() override;
|
|
|
|
virtual void ClearDestination(olive::Texture *texture = nullptr,
|
|
double r = 0.0, double g = 0.0,
|
|
double b = 0.0, double a = 0.0) override;
|
|
|
|
virtual QVariant CreateNativeShader(olive::ShaderCode code) override;
|
|
|
|
virtual void DestroyNativeShader(QVariant shader) override;
|
|
|
|
virtual void UploadToTexture(const QVariant &handle,
|
|
const VideoParams ¶ms, const void *data,
|
|
int linesize) override;
|
|
|
|
virtual void DownloadFromTexture(const QVariant &handle,
|
|
const VideoParams ¶ms, void *data,
|
|
int linesize) override;
|
|
|
|
virtual void Flush() override;
|
|
|
|
virtual Color GetPixelFromTexture(olive::Texture *texture,
|
|
const QPointF &pt) override;
|
|
|
|
QOpenGLContext *context() const
|
|
{
|
|
return context_;
|
|
}
|
|
|
|
bool EnsureContextCurrent(const char *caller);
|
|
|
|
protected:
|
|
virtual void Blit(QVariant shader, olive::AcceleratedJob& job,
|
|
olive::Texture *destination,
|
|
olive::VideoParams destination_params,
|
|
bool clear_destination) override;
|
|
|
|
virtual QVariant CreateNativeTexture(int width, int height, int depth,
|
|
PixelFormat format, int channel_count,
|
|
const void *data = nullptr,
|
|
int linesize = 0) override;
|
|
|
|
virtual void DestroyNativeTexture(QVariant texture) override;
|
|
|
|
virtual void DestroyInternal() override;
|
|
|
|
void AttachTextureAsDestination(const QVariant &texture);
|
|
|
|
void DetachTextureAsDestination();
|
|
|
|
private:
|
|
static GLint GetInternalFormat(PixelFormat format, int channel_layout);
|
|
|
|
static GLenum GetPixelType(PixelFormat format);
|
|
|
|
static GLenum GetPixelFormat(int channel_count);
|
|
|
|
void PrepareInputTexture(GLenum target, Texture::Interpolation interp);
|
|
|
|
void ClearDestinationInternal(double r = 0.0, double g = 0.0,
|
|
double b = 0.0, double a = 0.0);
|
|
|
|
GLuint CompileShader(GLenum type, const QString &code);
|
|
|
|
QOpenGLContext *context_;
|
|
|
|
QOpenGLFunctions *functions_;
|
|
|
|
QOffscreenSurface surface_;
|
|
|
|
GLuint framebuffer_;
|
|
|
|
struct TextureCacheKey {
|
|
int width;
|
|
int height;
|
|
int depth;
|
|
PixelFormat format;
|
|
int channel_count;
|
|
|
|
bool operator==(const TextureCacheKey &rhs) const
|
|
{
|
|
return width == rhs.width && height == rhs.height &&
|
|
depth == rhs.depth && format == rhs.format &&
|
|
channel_count == rhs.channel_count;
|
|
}
|
|
};
|
|
|
|
QMap<GLuint, TextureCacheKey> texture_params_;
|
|
|
|
static const int kTextureCacheMaxSize;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // OPENGLCONTEXT_H
|