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-rw-r--r--src/render/graphics.cpp2
-rw-r--r--src/render/graphics.h6
-rw-r--r--src/render/modernopenglgraphics.cpp22
-rw-r--r--src/render/modernopenglgraphics.h4
-rw-r--r--src/utils/glxhelper.cpp9
-rw-r--r--src/utils/glxhelper.h6
-rw-r--r--src/utils/sdl2helper.cpp4
-rw-r--r--src/utils/sdl2helper.h2
-rw-r--r--src/utils/sdlhelper.cpp14
-rw-r--r--src/utils/sdlhelper.h2
10 files changed, 63 insertions, 8 deletions
diff --git a/src/render/graphics.cpp b/src/render/graphics.cpp
index a9dc968db..4c5d1d282 100644
--- a/src/render/graphics.cpp
+++ b/src/render/graphics.cpp
@@ -504,6 +504,7 @@ bool Graphics::resizeScreen(const int width, const int height)
// +++ need impliment resize in soft mode
#endif // USE_OPENGL
+ screenResized();
beginDraw();
return true;
@@ -527,6 +528,7 @@ bool Graphics::resizeScreen(const int width, const int height)
}
}
+ screenResized();
beginDraw();
return success;
diff --git a/src/render/graphics.h b/src/render/graphics.h
index e05f23a84..3a051ed55 100644
--- a/src/render/graphics.h
+++ b/src/render/graphics.h
@@ -167,6 +167,9 @@ class Graphics notfinal
*/
virtual bool resizeScreen(const int width, const int height);
+ virtual void restoreContext()
+ { }
+
/**
* Draws a resclaled version of the image
*/
@@ -468,6 +471,9 @@ class Graphics notfinal
uint32_t *const arr A_UNUSED)
{ }
+ virtual void screenResized()
+ { }
+
int mWidth;
int mHeight;
int mActualWidth;
diff --git a/src/render/modernopenglgraphics.cpp b/src/render/modernopenglgraphics.cpp
index 1fadba3c4..eb245e0de 100644
--- a/src/render/modernopenglgraphics.cpp
+++ b/src/render/modernopenglgraphics.cpp
@@ -117,6 +117,11 @@ ModernOpenGLGraphics::ModernOpenGLGraphics() :
ModernOpenGLGraphics::~ModernOpenGLGraphics()
{
deleteArraysInternal();
+ deleteGLObjects();
+}
+
+void ModernOpenGLGraphics::deleteGLObjects()
+{
if (mProgram)
mProgram->decRef();
if (mVbo)
@@ -191,14 +196,18 @@ void ModernOpenGLGraphics::postInit()
// mglVertexAttribIPointer(mPosAttrib, 4, GL_INT, 4 * sizeof(GLint), 0);
mAttributesCached = mVbo;
- screenResized();
+ mglUniform2f(mScreenUniform,
+ static_cast<float>(mWidth) / 2.0f,
+ static_cast<float>(mHeight) / 2.0f);
}
void ModernOpenGLGraphics::screenResized()
{
- mglUniform2f(mScreenUniform,
- static_cast<float>(mWidth) / 2.0f,
- static_cast<float>(mHeight) / 2.0f);
+ deleteGLObjects();
+ mVboCached = 0U;
+ mEboCached = 0U;
+ mAttributesCached = 0U;
+ postInit();
}
void ModernOpenGLGraphics::deleteArrays()
@@ -1261,7 +1270,10 @@ void ModernOpenGLGraphics::clearScreen() const
void ModernOpenGLGraphics::createGLContext()
{
- mGLContext = SDL::createGLContext(mWindow, 3, 3);
+ if (mGLContext)
+ SDL::makeCurrentContext(mGLContext);
+ else
+ mGLContext = SDL::createGLContext(mWindow, 3, 3);
}
void ModernOpenGLGraphics::finalize(ImageCollection *const col)
diff --git a/src/render/modernopenglgraphics.h b/src/render/modernopenglgraphics.h
index 2b27c621e..86e9f7bf1 100644
--- a/src/render/modernopenglgraphics.h
+++ b/src/render/modernopenglgraphics.h
@@ -64,7 +64,7 @@ class ModernOpenGLGraphics final : public Graphics
void setColorAll(const Color &color,
const Color &color2) override final;
- void screenResized();
+ void screenResized() override final;
void finalize(ImageCollection *const col) override final;
@@ -85,6 +85,8 @@ class ModernOpenGLGraphics final : public Graphics
virtual void createGLContext() override final;
private:
+ void deleteGLObjects();
+
inline void drawQuad(const Image *const image,
const int srcX, const int srcY,
const int dstX, const int dstY,
diff --git a/src/utils/glxhelper.cpp b/src/utils/glxhelper.cpp
index 1fedeb9c6..1624b6309 100644
--- a/src/utils/glxhelper.cpp
+++ b/src/utils/glxhelper.cpp
@@ -36,7 +36,7 @@ static int ErrorHandler(Display *d A_UNUSED, XErrorEvent *e A_UNUSED)
return 0;
}
-void *GlxHelper::createContext(unsigned int window,
+void *GlxHelper::createContext(const unsigned int window,
void *const display0,
const int major,
const int minor)
@@ -117,4 +117,11 @@ void *GlxHelper::createContext(unsigned int window,
return context2;
}
+bool GlxHelper::makeCurrent(const unsigned int window,
+ void *const display,
+ void *const context)
+{
+ return mglXMakeCurrent(static_cast<Display*>(display), window, context);
+}
+
#endif // defined(USE_OPENGL) && defined(USE_X11)
diff --git a/src/utils/glxhelper.h b/src/utils/glxhelper.h
index 0378256d0..ce3a5568d 100644
--- a/src/utils/glxhelper.h
+++ b/src/utils/glxhelper.h
@@ -31,10 +31,14 @@
namespace GlxHelper
{
- void *createContext(unsigned int window,
+ void *createContext(const unsigned int window,
void *const display,
const int major,
const int minor);
+
+ bool makeCurrent(const unsigned int window,
+ void *const display,
+ void *const context);
} // namespace Glx
#endif // defined(USE_OPENGL) && defined(USE_X11)
diff --git a/src/utils/sdl2helper.cpp b/src/utils/sdl2helper.cpp
index 3b2b988a0..07f8d965c 100644
--- a/src/utils/sdl2helper.cpp
+++ b/src/utils/sdl2helper.cpp
@@ -126,4 +126,8 @@ void *SDL::createGLContext(SDL_Window *const window,
return context;
}
+void SDL::makeCurrentContext(void *const context A_UNUSED)
+{
+}
+
#endif // USE_SDL2
diff --git a/src/utils/sdl2helper.h b/src/utils/sdl2helper.h
index 6f59b27a6..b7ab35d84 100644
--- a/src/utils/sdl2helper.h
+++ b/src/utils/sdl2helper.h
@@ -55,6 +55,8 @@ namespace SDL
void *createGLContext(SDL_Window *const window,
const int major,
const int minor);
+
+ void makeCurrentContext(void *const context);
} // namespace SDL
#endif // USE_SDL2
diff --git a/src/utils/sdlhelper.cpp b/src/utils/sdlhelper.cpp
index 19cffa0a6..b809fd76b 100644
--- a/src/utils/sdlhelper.cpp
+++ b/src/utils/sdlhelper.cpp
@@ -140,6 +140,16 @@ void *SDL::createGLContext(SDL_Surface *const window A_UNUSED,
}
return context;
}
+
+void SDL::makeCurrentContext(void *const context)
+{
+ SDL_SysWMinfo info;
+ SDL_VERSION(&info.version);
+ SDL_GetWMInfo(&info);
+ GlxHelper::makeCurrent(info.info.x11.window,
+ info.info.x11.display,
+ context);
+}
#else
void *SDL::createGLContext(SDL_Surface *const window A_UNUSED,
const int major A_UNUSED,
@@ -147,6 +157,10 @@ void *SDL::createGLContext(SDL_Surface *const window A_UNUSED,
{
return nullptr;
}
+
+void SDL::makeCurrentContext(void *const context A_UNUSED)
+{
+}
#endif
#endif // USE_SDL2
diff --git a/src/utils/sdlhelper.h b/src/utils/sdlhelper.h
index 328c093cd..92fcaba65 100644
--- a/src/utils/sdlhelper.h
+++ b/src/utils/sdlhelper.h
@@ -60,6 +60,8 @@ namespace SDL
void *createGLContext(SDL_Surface *const window A_UNUSED,
const int major,
const int minor);
+
+ void makeCurrentContext(void *const context);
} // namespace SDL
#endif // USE_SDL2