diff options
Diffstat (limited to 'backends/graphics/opengl/opengl-graphics.h')
| -rw-r--r-- | backends/graphics/opengl/opengl-graphics.h | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/backends/graphics/opengl/opengl-graphics.h b/backends/graphics/opengl/opengl-graphics.h index 93c0c5bc83..d16f92d148 100644 --- a/backends/graphics/opengl/opengl-graphics.h +++ b/backends/graphics/opengl/opengl-graphics.h @@ -127,14 +127,22 @@ protected: /** * Notify the manager of a OpenGL context change. This should be the first - * thing to call when you create an OpenGL (ES) context! + * thing to call after you created an OpenGL (ES) context! * * @param defaultFormat The new default format for the game screen * (this is used for the CLUT8 game screens). * @param defaultFromatAlpha The new default format with an alpha channel * (this is used for the overlay and cursor). */ - void notifyContextChange(const Graphics::PixelFormat &defaultFormat, const Graphics::PixelFormat &defaultFormatAlpha); + void notifyContextCreate(const Graphics::PixelFormat &defaultFormat, const Graphics::PixelFormat &defaultFormatAlpha); + + /** + * Notify the manager that the OpenGL context is about to be destroyed. + * This will free up/reset internal OpenGL related state and *must* be + * called whenever a context might be created again after destroying a + * context. + */ + void notifyContextDestroy(); /** * Adjust the physical mouse coordinates according to the currently visible screen. @@ -163,6 +171,17 @@ protected: virtual void setInternalMousePosition(int x, int y) = 0; private: + /** + * Create a texture with the specified pixel format. + * + * @param format The pixel format the Texture object should accept as + * input. + * @param wantAlpha For CLUT8 textures this marks whether an alpha + * channel should be used. + * @return A pointer to the texture or nullptr on failure. + */ + Texture *createTexture(const Graphics::PixelFormat &format, bool wantAlpha = false); + // // Transaction support // @@ -367,22 +386,22 @@ private: /** * X coordinate of the cursor in phyiscal coordinates. */ - uint _cursorX; + int _cursorX; /** * Y coordinate of the cursor in physical coordinates. */ - uint _cursorY; + int _cursorY; /** * The X offset for the cursor hotspot in unscaled coordinates. */ - uint _cursorHotspotX; + int _cursorHotspotX; /** * The Y offset for the cursor hotspot in unscaled coordinates. */ - uint _cursorHotspotY; + int _cursorHotspotY; /** * Recalculate the cursor scaling. Scaling is always done according to @@ -393,12 +412,12 @@ private: /** * The X offset for the cursor hotspot in scaled coordinates. */ - uint _cursorHotspotXScaled; + int _cursorHotspotXScaled; /** * The Y offset for the cursor hotspot in scaled coordinates. */ - uint _cursorHotspotYScaled; + int _cursorHotspotYScaled; /** * The width of the cursor scaled coordinates. |