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So one can erase everything from OSD and then blit something on it.
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I was lazy to implement that in OpenGLGraphicsManager and I'm not sure
it's implemented correctly in SurfaceSdlGraphicsManager, but it works
for me.
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This allows us to use various framebuffer settings easily. Now the GPU
accelerated CLUT8 surface implementation does not need to query former
framebuffer state anymore.
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This is basically an interface extracted from Texture without any knowledge
about any actual implementation, except for copyRectToTexture, fill, and
dirty rect handling. These are convenient helpers.
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This does not include (most) shader setup, and projection matrices yet.
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Formerly, we required that the OpenGL mode was fixed at compile time. Now we
allow the code to work with whatever it is given at runtime.
It is still possible to force a context type on compile time.
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Formerly we relied on static linkage. However, in the presense of modern
OpenGL (ES) implementations it is not easily identifable which library to link
against. For example, on Linux amd64 with nVidia drivers and SDL2 setup to
create a GLES 1.1 context one would need to link against libGL.so. However,
traditionally GLES 1.1 required to link against libGLESv1_CM.so. To prevent a
huge mess we simply resolve the OpenGL functions on run-time now and stop
linking against a static library (in most cases).
GLES support needs to be enabled manually on configure time for now.
Tizen changes have NOT been tested.
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This can and will be used for future extension usage support.
Tizen changes have been untested.
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Subclasses of OpenGLGraphicsManager are now supposed to supply a refreshScreen
function which handles actual screen updating (for example, buffer swapping).
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visible.
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This adjusts for the fact that our event handling also uses signed coordinates.
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Thanks to Chris Warren-Smith for testing this a bit.
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The hooking code is nearly exactly the old hooking code. Only the OpenGL SDL
creation has been adapted since it uses a different constructor now.
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This backend is based on ideas of the old OpenGL backend, of the Android GL
backend and of the iPhone GL backend.
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This breaks our Tizen port.
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pitch values.
This is a first step to get rid of OverlayColor, which is a requirement for
proper 4Bpp overlay support.
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This is mainly for consistency with OSystem::copyRectToScreen.
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*" as buffer.
This removes the need to convert the parameter to copyRectToScreen to
"const byte *", which is commonly used in games, which use Graphics::Surface
to store their graphics data.
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logic.
All uses of the old target scale API actually wanted to disallow scaling of
the mouse cursor. This commit adapts our API to this and thus simplifies
backend implementations.
Some backends, most notable the Wii and Android, did some implementation of
the cursor target scale, which I didn't adapt yet. I added a TODO for the
porters there.
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Now only 320x200 and 640x400 will result in aspect ratio correction to be used
if the user requested it. This should fix some strechting in Myst/Riven.
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This gets rid of the hacks, where SdlEventSource added events with custom type
numbers to pass SDL_VIDEOEXPOSE and SDL_VIDEORESIZE to the graphics manager.
Furthermore it get rids of the uninituitive and hard to trace way of assigning
the proper mouse coordinates to mouse related events. Formerly it passed the
real screen coordinates through the even dispatching api to the graphics
manager (at least hopefully ;-) and let that handle creating a new event with
the proper coordinates. Now instead SdlEventSource handles the proper
coordinate setup itself.
Since this is a behavior change and I can not test all the SDL based small
devices ports this commit might break compilation for them and more serve it
might also break mouse position behavior. If any of that occurs I am sorry
about it.
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This tries to make our code a bit more compliant with our code formatting
conventions. For future use, this is the command I used:
git ls-files "*.cpp" "*.h" | xargs sed -i -e 's/[ \t]*$//'
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Some backends may break as I only compiled SDL
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mode for it.
This partly fixes the OpenGL mode mess, but now OpenGL Normal and OpenGL
Conserve will feature the same semantics when aspect ratio correction is
enabled... That is still something to solve.
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