Commit Graph

860 Commits

Author SHA1 Message Date
Gabriel Jacobo 02868b6903 [Bug 2042] OpenGL ES renderer tries to load OES functions unconditionally
Also, fail more gracefully when creating texture to avoid double free errors.
2013-08-16 13:37:27 -03:00
Sam Lantinga 76b7b1e96c Fixed alpha composition when destination alpha is transparent.
Jianyu Guan

I found I make a big mistake that when dstA==0, I just simply let *dstp=*srcp and forgot to make dstRGB = srcRGB*srcA.

The if consition "(*dstp & amask) == 0" in BlitRGBtoRGBPixelAlphaMMX and BlitRGBtoRGBPixelAlphaMMX3dNow should be removed.
2013-08-16 09:20:33 -07:00
Sam Lantinga 89bc80f1ae Fixed alpha blending for the MMX blit functions
I see the Remarks of function SDL_BlitSurface shows that "when SDL_BLENDMODE_BLEND, we have dstA = srcA + (dstA * (1-srcA))". however, I tested some pictures but the result implies "dstA=arcA" actually. I stepped into the source code, and found after I set SDL_BLENDMODE_BLEND for the source surface, the final blit function is BlitRGBtoRGBPixelAlphaMMX when I use SDL_BlitSurface on my computer. And I found these codes:

    else if (alpha == amask) {
    /* opaque alpha -- copy RGB, keep dst alpha */
    *dstp = (*srcp & chanmask) | (*dstp & ~chanmask);

The same code is used in BlitRGBtoRGBPixelAlphaMMX3DNOW and BlitRGBtoRGBPixelAlpha. So I think they still keep dst alpha.

Best regards,
Jianyu Guan
2013-08-16 06:59:19 -07:00
Andreas Schiffler 65728477af Fix bug 2034: replace printf by SDL_Log in tests; update loopwave VS solution: copy missing dependency 2013-08-14 23:30:10 -07:00
Sam Lantinga 67367be019 Don't print "unrecognized key" message for an X11 keycode of 0. This can happen with composed characters. 2013-08-12 22:00:21 -07:00
Sam Lantinga 5d1865c245 Fixed the tag name for the SDL 2.0 release 2013-08-12 19:18:48 -07:00
J?rgen P. Tjern? 14bf230d76 Mac: Fix restoring of Cmd-H-hidden fullscreen desktop windows.
This should fix http://bugzilla.libsdl.org/show_bug.cgi?id=1996
2013-08-12 11:09:13 -07:00
Sam Lantinga a84a97fe85 Added Julian Winter to the credits for the SDL 2.0 website. 2013-08-12 08:45:37 -07:00
Sam Lantinga 03477ef6e3 Added tag release_2.0.0 for changeset d4ce48ff30d1 2013-08-12 08:40:49 -07:00
Gabriel Jacobo dad420670f Fixes #2022, do not resume on Android when surfaceChanged
If the app is in landscape mode and the user presses the power button, a pause
is followed immediately by a surfaceChanged event because the lock screen
is shown in portrait mode. This triggers a "false" resume.
So, we just pause and resume following the onWindowFocusChanged events.

Also, wait for SDL_APP_WILLENTERBACKGROUND and SDL_APP_DIDENTERBACKGROUND before
blocking the event pump.
2013-08-12 11:13:50 -03:00