pandory500/SDL-mirror
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SDL_RenderReadPixels() needs to flush asynchronous operations before it reads.

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The semantics are that it reads the back buffer, and those pixels may not be available once SDL_RenderPresent() has happened.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404207
This commit is contained in:
Sam Lantinga 2009-11-21 05:05:19 +00:00
parent 474b543c63
commit fc3f393af6
1 changed files with 0 additions and 24 deletions
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24
test/automated/render/render.c
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@ -329,9 +329,6 @@ static int render_clearScreen (void)
return -1;
*/
/* Flush all asynchronous operations */
SDL_RenderPresent();
return 0;
}
@ -413,9 +410,6 @@ static int render_testPrimitives (void)
if (SDL_ATassert( "SDL_RenderLine", ret == 0))
return -1;
/* Flush all asynchronous operations */
SDL_RenderPresent();
/* See if it's the same. */
if (render_compare( "Primitives output not the same.", &img_primitives ))
return -1;
@ -533,9 +527,6 @@ static int render_testPrimitivesBlend (void)
}
}
/* Flush all asynchronous operations */
SDL_RenderPresent();
/* See if it's the same. */
if (render_compare( "Blended primitives output not the same.", &img_blend ))
return -1;
@ -588,9 +579,6 @@ static int render_testBlit (void)
/* Clean up. */
SDL_DestroyTexture( tface );
/* Flush all asynchronous operations */
SDL_RenderPresent();
/* See if it's the same. */
if (render_compare( "Blit output not the same.", &img_blit ))
return -1;
@ -648,9 +636,6 @@ static int render_testBlitColour (void)
/* Clean up. */
SDL_DestroyTexture( tface );
/* Flush all asynchronous operations */
SDL_RenderPresent();
/* See if it's the same. */
if (render_compare( "Blit output not the same (using SDL_SetTextureColorMod).",
&img_blitColour ))
@ -713,9 +698,6 @@ static int render_testBlitAlpha (void)
/* Clean up. */
SDL_DestroyTexture( tface );
/* Flush all asynchronous operations */
SDL_RenderPresent();
/* See if it's the same. */
if (render_compare( "Blit output not the same (using SDL_SetSurfaceAlphaMod).",
&img_blitAlpha ))
@ -763,9 +745,6 @@ static int render_testBlitBlendMode( SDL_TextureID tface, int mode )
}
}
/* Flush all asynchronous operations */
SDL_RenderPresent();
return 0;
}
@ -883,9 +862,6 @@ static int render_testBlitBlend (void)
/* Clean up. */
SDL_DestroyTexture( tface );
/* Flush all asynchronous operations */
SDL_RenderPresent();
/* Check to see if matches. */
if (render_compare( "Blit blending output not the same (using SDL_BLENDMODE_*).",
&img_blendAll ))