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Added SDL_BLENDMODE_BLEND_PREMULTIPLIED and SDL_BLENDMODE_ADD_PREMULTIPLIED

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Fixes https://github.com/libsdl-org/SDL/issues/2485
This commit is contained in:
Sam Lantinga
2024-07-15 08:27:58 -07:00
parent f099898a66
commit df573391b1
22 changed files with 6831 additions and 1371 deletions
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60
test/testautomation_surface.c
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@@ -523,6 +523,28 @@ static int surface_testBlitBlendBlend(void *arg)
return TEST_COMPLETED;
}
/**
* @brief Tests some more blitting routines.
*/
static int surface_testBlitBlendPremultiplied(void *arg)
{
int ret;
SDL_Surface *compareSurface;
/* Blend premultiplied blitting */
testBlitBlendMode(SDL_BLENDMODE_BLEND_PREMULTIPLIED);
/* Verify result by comparing surfaces */
compareSurface = SDLTest_ImageBlitBlendPremultiplied();
ret = SDLTest_CompareSurfaces( testSurface, compareSurface, 0 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret);
/* Clean up. */
SDL_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
/**
* Tests some more blitting routines.
*/
@@ -545,6 +567,28 @@ static int surface_testBlitBlendAdd(void *arg)
return TEST_COMPLETED;
}
/**
* Tests some more blitting routines.
*/
static int surface_testBlitBlendAddPremultiplied(void *arg)
{
int ret;
SDL_Surface *compareSurface;
/* Add blitting */
testBlitBlendMode(SDL_BLENDMODE_ADD_PREMULTIPLIED);
/* Verify result by comparing surfaces */
compareSurface = SDLTest_ImageBlitBlendAddPremultiplied();
ret = SDLTest_CompareSurfaces(testSurface, compareSurface, 0);
SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret);
/* Clean up. */
SDL_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
/**
* Tests some more blitting routines.
*/
@@ -958,10 +1002,20 @@ static const SDLTest_TestCaseReference surfaceTest10 = {
/* TODO: rewrite test case, define new test data and re-enable; current implementation fails */
static const SDLTest_TestCaseReference surfaceTest11 = {
(SDLTest_TestCaseFp)surface_testBlitBlendPremultiplied, "surface_testBlitBlendPremultiplied", "Tests blitting routines with premultiplied blending mode.", TEST_DISABLED
};
/* TODO: rewrite test case, define new test data and re-enable; current implementation fails */
static const SDLTest_TestCaseReference surfaceTest12 = {
(SDLTest_TestCaseFp)surface_testBlitBlendAdd, "surface_testBlitBlendAdd", "Tests blitting routines with add blending mode.", TEST_DISABLED
};
static const SDLTest_TestCaseReference surfaceTest12 = {
/* TODO: rewrite test case, define new test data and re-enable; current implementation fails */
static const SDLTest_TestCaseReference surfaceTest13 = {
(SDLTest_TestCaseFp)surface_testBlitBlendAddPremultiplied, "surface_testBlitBlendAddPremultiplied", "Tests blitting routines with premultiplied add blending mode.", TEST_DISABLED
};
static const SDLTest_TestCaseReference surfaceTest14 = {
(SDLTest_TestCaseFp)surface_testBlitBlendMod, "surface_testBlitBlendMod", "Tests blitting routines with mod blending mode.", TEST_ENABLED
};
@@ -981,8 +1035,8 @@ static const SDLTest_TestCaseReference surfaceTestPalette = {
static const SDLTest_TestCaseReference *surfaceTests[] = {
&surfaceTest1, &surfaceTest2, &surfaceTest3, &surfaceTest4, &surfaceTest5,
&surfaceTest6, &surfaceTest7, &surfaceTest8, &surfaceTest9, &surfaceTest10,
&surfaceTest11, &surfaceTest12, &surfaceTestOverflow, &surfaceTestFlip,
&surfaceTestPalette, NULL
&surfaceTest11, &surfaceTest12, &surfaceTest13, &surfaceTest14,
&surfaceTestOverflow, &surfaceTestFlip, &surfaceTestPalette, NULL
};
/* Surface test suite (global) */