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testautomation: test palettization using SDL_ConvertSurfaceAndColorspace

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Anonymous Maarten 2024-08-13 02:46:13 +02:00
parent 375f303d97
commit 01c42f1399
1 changed files with 96 additions and 0 deletions
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96
test/testautomation_surface.c
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@ -1266,6 +1266,97 @@ static int surface_testPalette(void *arg)
return TEST_COMPLETED;
}
static int surface_testPalettization(void *arg)
{
const SDL_Color palette_colors[] = {
{ 0x80, 0x00, 0x00, 0xff },
{ 0x00, 0x80, 0x00, 0xff },
{ 0x00, 0x00, 0x80, 0xff },
{ 0x40, 0x00, 0x00, 0xff },
{ 0x00, 0x40, 0x00, 0xff },
{ 0x00, 0x00, 0x40, 0xff },
{ 0x00, 0x00, 0x00, 0xff },
{ 0xff, 0x00, 0x00, 0xff },
{ 0x00, 0xff, 0x00, 0xff },
{ 0x00, 0x00, 0xff, 0xff },
{ 0xff, 0xff, 0x00, 0xff },
{ 0x00, 0xff, 0xff, 0xff },
{ 0xff, 0x00, 0xff, 0xff },
};
const struct {
SDL_Color c;
Uint8 e;
} colors[] = {
{ { 0xff, 0x00, 0x00, 0xff }, 7 },
{ { 0xfe, 0x00, 0x00, 0xff }, 7 },
{ { 0xfd, 0x00, 0x00, 0xff }, 7 },
{ { 0xf0, 0x00, 0x00, 0xff }, 7 },
{ { 0xd0, 0x00, 0x00, 0xff }, 7 },
{ { 0xb0, 0x00, 0x00, 0xff }, 0 },
{ { 0xa0, 0x00, 0x00, 0xff }, 0 },
{ { 0xff, 0x00, 0x00, 0x00 }, 7 },
{ { 0x00, 0x10, 0x21, 0xff }, 5 },
{ { 0x00, 0x10, 0x19, 0xff }, 6 },
{ { 0x81, 0x00, 0x41, 0xff }, 0 },
{ { 0x80, 0xf0, 0xf0, 0x7f }, 11 },
{ { 0x00, 0x00, 0x00, 0xff }, 6 },
{ { 0x00, 0x00, 0x00, 0x01 }, 6 },
};
int i;
int result;
SDL_Surface *source, *output;
SDL_Palette *palette;
Uint8 *pixels;
palette = SDL_CreatePalette(SDL_arraysize(palette_colors));
SDLTest_AssertCheck(palette != NULL, "SDL_CreatePalette()");
result = SDL_SetPaletteColors(palette, palette_colors, 0, SDL_arraysize(palette_colors));
SDLTest_AssertCheck(result >= 0, "SDL_SetPaletteColors()");
source = SDL_CreateSurface(SDL_arraysize(palette_colors) + SDL_arraysize(colors), 1, SDL_PIXELFORMAT_RGBA8888);
SDLTest_AssertCheck(source != NULL, "SDL_CreateSurface()");
SDLTest_AssertCheck(source->w == SDL_arraysize(palette_colors) + SDL_arraysize(colors), "Expected source->w == %d, got %d", (int)(SDL_arraysize(palette_colors) + SDL_arraysize(colors)), source->w);
SDLTest_AssertCheck(source->h == 1, "Expected source->h == %d, got %d", 1, source->h);
SDLTest_AssertCheck(source->format == SDL_PIXELFORMAT_RGBA8888, "Expected source->format == SDL_PIXELFORMAT_RGBA8888, got 0x%x (%s)", source->format, SDL_GetPixelFormatName(source->format));
for (i = 0; i < SDL_arraysize(colors); i++) {
result = SDL_WriteSurfacePixel(source, i, 0, colors[i].c.r, colors[i].c.g, colors[i].c.b, colors[i].c.a);
SDLTest_AssertCheck(result >= 0, "SDL_WriteSurfacePixel");
}
for (i = 0; i < SDL_arraysize(palette_colors); i++) {
result = SDL_WriteSurfacePixel(source, SDL_arraysize(colors) + i, 0, palette_colors[i].r, palette_colors[i].g, palette_colors[i].b, palette_colors[i].a);
SDLTest_AssertCheck(result >= 0, "SDL_WriteSurfacePixel");
}
output = SDL_ConvertSurfaceAndColorspace(source, SDL_PIXELFORMAT_INDEX8, palette, SDL_COLORSPACE_UNKNOWN, 0);
SDLTest_AssertCheck(output != NULL, "SDL_ConvertSurfaceAndColorspace()");
SDLTest_AssertCheck(output->w == source->w, "Expected output->w == %d, got %d", source->w, output->w);
SDLTest_AssertCheck(output->h == source->h, "Expected output->h == %d, got %d", source->h, output->h);
SDLTest_AssertCheck(output->format == SDL_PIXELFORMAT_INDEX8, "Expected output->format == SDL_PIXELFORMAT_INDEX8, got 0x%x (%s)", output->format, SDL_GetPixelFormatName(output->format));
pixels = output->pixels;
for (i = 0; i < SDL_arraysize(colors); i++) {
int idx = i;
Uint8 actual = pixels[idx];
Uint8 expected = colors[i].e;
SDLTest_AssertCheck(0 <= actual && actual < SDL_arraysize(palette_colors), "0 <= output->pixels[%d] < %d", idx, (int)SDL_arraysize(palette_colors));
SDLTest_AssertCheck(actual == expected, "Expected output->pixels[%d] == %u, got %u", idx, expected, actual);
}
SDLTest_AssertPass("Check palette 1:1 mapping");
for (i = 0; i < SDL_arraysize(palette_colors); i++) {
int idx = SDL_arraysize(colors) + i;
Uint8 actual = pixels[idx];
Uint8 expected = i;
SDLTest_AssertCheck(0 <= actual && actual < SDL_arraysize(palette_colors), "0 <= output->pixels[%d] < %d", idx, (int)SDL_arraysize(palette_colors));
SDLTest_AssertCheck(actual == expected, "Expected output->pixels[%d] == %u, got %u", idx, expected, actual);
}
SDL_DestroyPalette(palette);
SDL_DestroySurface(source);
SDL_DestroySurface(output);
return TEST_COMPLETED;
}
static int surface_testClearSurface(void *arg)
{
SDL_PixelFormat formats[] = {
@ -1446,6 +1537,10 @@ static const SDLTest_TestCaseReference surfaceTestPalette = {
surface_testPalette, "surface_testPalette", "Test surface palette operations.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTestPalettization = {
surface_testPalettization, "surface_testPalettization", "Test surface palettization.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTestClearSurface = {
surface_testClearSurface, "surface_testClearSurface", "Test clear surface operations.", TEST_ENABLED
};
@ -1475,6 +1570,7 @@ static const SDLTest_TestCaseReference *surfaceTests[] = {
&surfaceTestOverflow,
&surfaceTestFlip,
&surfaceTestPalette,
&surfaceTestPalettization,
&surfaceTestClearSurface,
&surfaceTestPremultiplyAlpha,
NULL