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Added a SDL render viewport test

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This commit is contained in:
Sam Lantinga 2023-01-26 13:58:38 -08:00
parent 1c83c1fadd
commit c708ddd66f
1 changed files with 60 additions and 3 deletions
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63
test/testautomation_render.c
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@ -13,6 +13,10 @@
#define RENDER_COMPARE_FORMAT SDL_PIXELFORMAT_ARGB8888
#define RENDER_COLOR_CLEAR 0x00000000
#define RENDER_COLOR_BLACK 0xFF000000
#define RENDER_COLOR_WHITE 0xFFFFFFFF
#define RENDER_COLOR_GREEN 0xFF00FF00
#define ALLOWABLE_ERROR_OPAQUE 0
#define ALLOWABLE_ERROR_BLENDED 64
@ -586,8 +590,6 @@ int render_testBlitAlpha(void *arg)
return TEST_COMPLETED;
}
/* Helper functions */
/**
* @brief Tests a blend mode.
*
@ -801,6 +803,53 @@ int render_testBlitBlend(void *arg)
return TEST_COMPLETED;
}
/**
* @brief Test viewport
*/
int render_testViewport(void *arg)
{
int ret;
SDL_Surface *referenceSurface;
SDL_Rect viewport;
viewport.x = TESTRENDER_SCREEN_W / 3;
viewport.y = TESTRENDER_SCREEN_H / 3;
viewport.w = TESTRENDER_SCREEN_W / 2;
viewport.h = TESTRENDER_SCREEN_H / 2;
/* Create expected result */
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, RENDER_COMPARE_FORMAT);
ret = SDL_FillSurfaceRect(referenceSurface, NULL, RENDER_COLOR_CLEAR);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_FillSurfaceRect, expected: 0, got: %i", ret);
ret = SDL_FillSurfaceRect(referenceSurface, &viewport, RENDER_COLOR_GREEN);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_FillSurfaceRect, expected: 0, got: %i", ret);
/* Clear surface. */
clearScreen();
/* Set the viewport and do a fill operation */
ret = SDL_SetRenderViewport(renderer, &viewport);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderViewport, expected: 0, got: %i", ret);
ret = SDL_SetRenderDrawColor(renderer, 0, 255, 0, SDL_ALPHA_OPAQUE);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
ret = SDL_RenderFillRect(renderer, NULL);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
ret = SDL_SetRenderViewport(renderer, NULL);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderViewport, expected: 0, got: %i", ret);
/* Check to see if final image matches. */
compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
/* Make current */
SDL_RenderPresent(renderer);
SDL_DestroySurface(referenceSurface);
return TEST_COMPLETED;
}
/* Helper functions */
/**
* @brief Checks to see if functionality is supported. Helper function.
*/
@ -1106,6 +1155,10 @@ clearScreen(void)
/* Make current */
SDL_RenderPresent(renderer);
/* Clear screen. */
ret = SDL_RenderClear(renderer);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderClear, expected: 0, got: %i", ret);
/* Set defaults. */
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
@ -1151,9 +1204,13 @@ static const SDLTest_TestCaseReference renderTest7 = {
(SDLTest_TestCaseFp)render_testBlitBlend, "render_testBlitBlend", "Tests blitting with blending", TEST_DISABLED
};
static const SDLTest_TestCaseReference renderTest8 = {
(SDLTest_TestCaseFp)render_testViewport, "render_testViewport", "Tests viewport", TEST_ENABLED
};
/* Sequence of Render test cases */
static const SDLTest_TestCaseReference *renderTests[] = {
&renderTest1, &renderTest2, &renderTest3, &renderTest4, &renderTest5, &renderTest6, &renderTest7, NULL
&renderTest1, &renderTest2, &renderTest3, &renderTest4, &renderTest5, &renderTest6, &renderTest7, &renderTest8, NULL
};
/* Render test suite (global) */