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ext-SDL/test/testautomation_surface.c
Sam Lantinga 5f5e91eab6 Reverted 3d2e5a0b66eca4ade34f2a4fa81c8f4d8d33dac3 
Applying these changes to external code doesn't actually improve anything, and within the context of the other Get* functions for renderers and surfaces, these stand out as outliers, so I'm going to back this change out.
2024-07-17 10:27:37 -07:00

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/**
* Original code: automated SDL surface test written by Edgar Simo "bobbens"
* Adapted/rewritten for test lib by Andreas Schiffler
*/
/* Suppress C4996 VS compiler warnings for unlink() */
#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
#define _CRT_SECURE_NO_DEPRECATE
#endif
#if defined(_MSC_VER) && !defined(_CRT_NONSTDC_NO_DEPRECATE)
#define _CRT_NONSTDC_NO_DEPRECATE
#endif
#include <stdio.h>
#ifndef _MSC_VER
#include <unistd.h>
#endif
#include <sys/stat.h>
#include <SDL3/SDL.h>
#include <SDL3/SDL_test.h>
#include "testautomation_suites.h"
#include "testautomation_images.h"
#define CHECK_FUNC(FUNC, PARAMS) \
{ \
int result = FUNC PARAMS; \
if (result != 0) { \
SDLTest_AssertCheck(result == 0, "Validate result from %s, expected: 0, got: %i, %s", #FUNC, result, SDL_GetError()); \
} \
}
/* ================= Test Case Implementation ================== */
/* Shared test surface */
static SDL_Surface *referenceSurface = NULL;
static SDL_Surface *testSurface = NULL;
/* Fixture */
/* Create a 32-bit writable surface for blitting tests */
static void surfaceSetUp(void *arg)
{
int result;
SDL_BlendMode blendMode = SDL_BLENDMODE_NONE;
SDL_BlendMode currentBlendMode;
referenceSurface = SDLTest_ImageBlit(); /* For size info */
testSurface = SDL_CreateSurface(referenceSurface->w, referenceSurface->h, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(testSurface != NULL, "Check that testSurface is not NULL");
if (testSurface != NULL) {
/* Disable blend mode for target surface */
result = SDL_SetSurfaceBlendMode(testSurface, blendMode);
SDLTest_AssertCheck(result == 0, "Validate result from SDL_SetSurfaceBlendMode, expected: 0, got: %i", result);
result = SDL_GetSurfaceBlendMode(testSurface, &currentBlendMode);
SDLTest_AssertCheck(result == 0, "Validate result from SDL_GetSurfaceBlendMode, expected: 0, got: %i", result);
SDLTest_AssertCheck(currentBlendMode == blendMode, "Validate blendMode, expected: %" SDL_PRIu32 ", got: %" SDL_PRIu32, blendMode, currentBlendMode);
}
}
static void surfaceTearDown(void *arg)
{
SDL_DestroySurface(referenceSurface);
referenceSurface = NULL;
SDL_DestroySurface(testSurface);
testSurface = NULL;
}
static void DitherPalette(SDL_Palette *palette)
{
int i;
for (i = 0; i < palette->ncolors; i++) {
int r, g, b;
/* map each bit field to the full [0, 255] interval,
so 0 is mapped to (0, 0, 0) and 255 to (255, 255, 255) */
r = i & 0xe0;
r |= r >> 3 | r >> 6;
palette->colors[i].r = (Uint8)r;
g = (i << 3) & 0xe0;
g |= g >> 3 | g >> 6;
palette->colors[i].g = (Uint8)g;
b = i & 0x3;
b |= b << 2;
b |= b << 4;
palette->colors[i].b = (Uint8)b;
palette->colors[i].a = SDL_ALPHA_OPAQUE;
}
}
/**
* Helper that blits in a specific blend mode, -1 for color mod, -2 for alpha mod
*/
static void testBlitBlendModeWithFormats(int mode, SDL_PixelFormat src_format, SDL_PixelFormat dst_format)
{
/* Allow up to 1 delta from theoretical value to account for rounding error */
const int MAXIMUM_ERROR = 1;
int ret;
SDL_Surface *src;
SDL_Surface *dst;
Uint32 color;
Uint8 srcR = 10, srcG = 128, srcB = 240, srcA = 100;
Uint8 dstR = 128, dstG = 128, dstB = 128, dstA = 128;
Uint8 expectedR, expectedG, expectedB, expectedA;
Uint8 actualR, actualG, actualB, actualA;
int deltaR, deltaG, deltaB, deltaA;
/* Create dst surface */
dst = SDL_CreateSurface(1, 1, dst_format);
SDLTest_AssertCheck(dst != NULL, "Verify dst surface is not NULL");
if (dst == NULL) {
return;
}
/* Clear surface. */
if (SDL_ISPIXELFORMAT_INDEXED(dst_format)) {
SDL_Palette *palette = SDL_CreateSurfacePalette(dst);
DitherPalette(palette);
palette->colors[0].r = dstR;
palette->colors[0].g = dstG;
palette->colors[0].b = dstB;
palette->colors[0].a = dstA;
color = 0;
} else {
color = SDL_MapSurfaceRGBA(dst, dstR, dstG, dstB, dstA);
SDLTest_AssertPass("Call to SDL_MapSurfaceRGBA()");
}
ret = SDL_FillSurfaceRect(dst, NULL, color);
SDLTest_AssertPass("Call to SDL_FillSurfaceRect()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_FillSurfaceRect, expected: 0, got: %i", ret);
SDL_GetRGBA(color, SDL_GetPixelFormatDetails(dst->format), SDL_GetSurfacePalette(dst), &dstR, &dstG, &dstB, &dstA);
/* Create src surface */
src = SDL_CreateSurface(1, 1, src_format);
SDLTest_AssertCheck(src != NULL, "Verify src surface is not NULL");
if (src == NULL) {
return;
}
if (SDL_ISPIXELFORMAT_INDEXED(src_format)) {
SDL_Palette *palette = SDL_CreateSurfacePalette(src);
palette->colors[0].r = srcR;
palette->colors[0].g = srcG;
palette->colors[0].b = srcB;
palette->colors[0].a = srcA;
}
/* Reset alpha modulation */
ret = SDL_SetSurfaceAlphaMod(src, 255);
SDLTest_AssertPass("Call to SDL_SetSurfaceAlphaMod()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceAlphaMod(), expected: 0, got: %i", ret);
/* Reset color modulation */
ret = SDL_SetSurfaceColorMod(src, 255, 255, 255);
SDLTest_AssertPass("Call to SDL_SetSurfaceColorMod()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceColorMod(), expected: 0, got: %i", ret);
/* Reset color key */
ret = SDL_SetSurfaceColorKey(src, SDL_FALSE, 0);
SDLTest_AssertPass("Call to SDL_SetSurfaceColorKey()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceColorKey(), expected: 0, got: %i", ret);
/* Clear surface. */
color = SDL_MapSurfaceRGBA(src, srcR, srcG, srcB, srcA);
SDLTest_AssertPass("Call to SDL_MapSurfaceRGBA()");
ret = SDL_FillSurfaceRect(src, NULL, color);
SDLTest_AssertPass("Call to SDL_FillSurfaceRect()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_FillSurfaceRect, expected: 0, got: %i", ret);
SDL_GetRGBA(color, SDL_GetPixelFormatDetails(src->format), SDL_GetSurfacePalette(src), &srcR, &srcG, &srcB, &srcA);
/* Set blend mode. */
if (mode >= 0) {
ret = SDL_SetSurfaceBlendMode(src, (SDL_BlendMode)mode);
SDLTest_AssertPass("Call to SDL_SetSurfaceBlendMode()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceBlendMode(..., %i), expected: 0, got: %i", mode, ret);
} else {
ret = SDL_SetSurfaceBlendMode(src, SDL_BLENDMODE_BLEND);
SDLTest_AssertPass("Call to SDL_SetSurfaceBlendMode()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceBlendMode(..., %i), expected: 0, got: %i", mode, ret);
}
/* Test blend mode. */
#define FLOAT(X) ((float)X / 255.0f)
switch (mode) {
case -1:
/* Set color mod. */
ret = SDL_SetSurfaceColorMod(src, srcR, srcG, srcB);
SDLTest_AssertCheck(ret == 0, "Validate results from calls to SDL_SetSurfaceColorMod, expected: 0, got: %i", ret);
expectedR = (Uint8)SDL_roundf(SDL_clamp((FLOAT(srcR) * FLOAT(srcR)) * FLOAT(srcA) + FLOAT(dstR) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedG = (Uint8)SDL_roundf(SDL_clamp((FLOAT(srcG) * FLOAT(srcG)) * FLOAT(srcA) + FLOAT(dstG) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedB = (Uint8)SDL_roundf(SDL_clamp((FLOAT(srcB) * FLOAT(srcB)) * FLOAT(srcA) + FLOAT(dstB) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedA = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcA) + FLOAT(dstA) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
break;
case -2:
/* Set alpha mod. */
ret = SDL_SetSurfaceAlphaMod(src, srcA);
SDLTest_AssertCheck(ret == 0, "Validate results from calls to SDL_SetSurfaceAlphaMod, expected: 0, got: %i", ret);
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * (FLOAT(srcA) * FLOAT(srcA)) + FLOAT(dstR) * (1.0f - (FLOAT(srcA) * FLOAT(srcA))), 0.0f, 1.0f) * 255.0f);
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * (FLOAT(srcA) * FLOAT(srcA)) + FLOAT(dstG) * (1.0f - (FLOAT(srcA) * FLOAT(srcA))), 0.0f, 1.0f) * 255.0f);
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * (FLOAT(srcA) * FLOAT(srcA)) + FLOAT(dstB) * (1.0f - (FLOAT(srcA) * FLOAT(srcA))), 0.0f, 1.0f) * 255.0f);
expectedA = (Uint8)SDL_roundf(SDL_clamp((FLOAT(srcA) * FLOAT(srcA)) + FLOAT(dstA) * (1.0f - (FLOAT(srcA) * FLOAT(srcA))), 0.0f, 1.0f) * 255.0f);
break;
case SDL_BLENDMODE_NONE:
expectedR = srcR;
expectedG = srcG;
expectedB = srcB;
expectedA = SDL_ISPIXELFORMAT_ALPHA(dst_format) ? srcA : 255;
break;
case SDL_BLENDMODE_BLEND:
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * FLOAT(srcA) + FLOAT(dstR) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * FLOAT(srcA) + FLOAT(dstG) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * FLOAT(srcA) + FLOAT(dstB) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedA = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcA) + FLOAT(dstA) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
break;
case SDL_BLENDMODE_BLEND_PREMULTIPLIED:
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) + FLOAT(dstR) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) + FLOAT(dstG) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) + FLOAT(dstB) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedA = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcA) + FLOAT(dstA) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
break;
case SDL_BLENDMODE_ADD:
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * FLOAT(srcA) + FLOAT(dstR), 0.0f, 1.0f) * 255.0f);
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * FLOAT(srcA) + FLOAT(dstG), 0.0f, 1.0f) * 255.0f);
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * FLOAT(srcA) + FLOAT(dstB), 0.0f, 1.0f) * 255.0f);
expectedA = dstA;
break;
case SDL_BLENDMODE_ADD_PREMULTIPLIED:
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) + FLOAT(dstR), 0.0f, 1.0f) * 255.0f);
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) + FLOAT(dstG), 0.0f, 1.0f) * 255.0f);
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) + FLOAT(dstB), 0.0f, 1.0f) * 255.0f);
expectedA = dstA;
break;
case SDL_BLENDMODE_MOD:
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * FLOAT(dstR), 0.0f, 1.0f) * 255.0f);
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * FLOAT(dstG), 0.0f, 1.0f) * 255.0f);
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * FLOAT(dstB), 0.0f, 1.0f) * 255.0f);
expectedA = dstA;
break;
case SDL_BLENDMODE_MUL:
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * FLOAT(dstR) + FLOAT(dstR) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * FLOAT(dstG) + FLOAT(dstG) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * FLOAT(dstB) + FLOAT(dstB) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
expectedA = dstA;
break;
default:
SDLTest_LogError("Invalid blending mode: %d", mode);
return;
}
if (SDL_ISPIXELFORMAT_INDEXED(dst_format)) {
SDL_Palette *palette = SDL_GetSurfacePalette(dst);
palette->colors[1].r = expectedR;
palette->colors[1].g = expectedG;
palette->colors[1].b = expectedB;
palette->colors[1].a = expectedA;
}
/* Blitting. */
ret = SDL_BlitSurface(src, NULL, dst, NULL);
SDLTest_AssertCheck(ret == 0, "Validate results from calls to SDL_BlitSurface, expected: 0, got: %i: %s", ret, (ret < 0) ? SDL_GetError() : "success");
if (ret == 0) {
SDL_ReadSurfacePixel(dst, 0, 0, &actualR, &actualG, &actualB, &actualA);
deltaR = SDL_abs((int)actualR - expectedR);
deltaG = SDL_abs((int)actualG - expectedG);
deltaB = SDL_abs((int)actualB - expectedB);
deltaA = SDL_abs((int)actualA - expectedA);
SDLTest_AssertCheck(
deltaR <= MAXIMUM_ERROR &&
deltaG <= MAXIMUM_ERROR &&
deltaB <= MAXIMUM_ERROR &&
deltaA <= MAXIMUM_ERROR,
"Checking %s -> %s blit results, expected %d,%d,%d,%d, got %d,%d,%d,%d",
SDL_GetPixelFormatName(src_format),
SDL_GetPixelFormatName(dst_format),
expectedR, expectedG, expectedB, expectedA, actualR, actualG, actualB, actualA);
}
/* Clean up */
SDL_DestroySurface(src);
SDL_DestroySurface(dst);
}
static void testBlitBlendMode(int mode)
{
const SDL_PixelFormat src_formats[] = {
SDL_PIXELFORMAT_INDEX8, SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888
};
const SDL_PixelFormat dst_formats[] = {
SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888
};
int i, j;
for (i = 0; i < SDL_arraysize(src_formats); ++i) {
for (j = 0; j < SDL_arraysize(dst_formats); ++j) {
testBlitBlendModeWithFormats(mode, src_formats[i], dst_formats[j]);
}
}
}
/* Helper to check that a file exists */
static void AssertFileExist(const char *filename)
{
struct stat st;
int ret = stat(filename, &st);
SDLTest_AssertCheck(ret == 0, "Verify file '%s' exists", filename);
}
/* Test case functions */
/**
* Tests sprite saving and loading
*/
static int surface_testSaveLoadBitmap(void *arg)
{
int ret;
const char *sampleFilename = "testSaveLoadBitmap.bmp";
SDL_Surface *face;
SDL_Surface *rface;
/* Create sample surface */
face = SDLTest_ImageFace();
SDLTest_AssertCheck(face != NULL, "Verify face surface is not NULL");
if (face == NULL) {
return TEST_ABORTED;
}
/* Delete test file; ignore errors */
unlink(sampleFilename);
/* Save a surface */
ret = SDL_SaveBMP(face, sampleFilename);
SDLTest_AssertPass("Call to SDL_SaveBMP()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SaveBMP, expected: 0, got: %i", ret);
AssertFileExist(sampleFilename);
/* Load a surface */
rface = SDL_LoadBMP(sampleFilename);
SDLTest_AssertPass("Call to SDL_LoadBMP()");
SDLTest_AssertCheck(rface != NULL, "Verify result from SDL_LoadBMP is not NULL");
if (rface != NULL) {
SDLTest_AssertCheck(face->w == rface->w, "Verify width of loaded surface, expected: %i, got: %i", face->w, rface->w);
SDLTest_AssertCheck(face->h == rface->h, "Verify height of loaded surface, expected: %i, got: %i", face->h, rface->h);
}
/* Delete test file; ignore errors */
unlink(sampleFilename);
/* Clean up */
SDL_DestroySurface(face);
face = NULL;
SDL_DestroySurface(rface);
rface = NULL;
return TEST_COMPLETED;
}
/**
* Tests surface conversion.
*/
static int surface_testSurfaceConversion(void *arg)
{
SDL_Surface *rface = NULL, *face = NULL;
int ret = 0;
/* Create sample surface */
face = SDLTest_ImageFace();
SDLTest_AssertCheck(face != NULL, "Verify face surface is not NULL");
if (face == NULL) {
return TEST_ABORTED;
}
/* Set transparent pixel as the pixel at (0,0) */
if (SDL_GetSurfacePalette(face)) {
ret = SDL_SetSurfaceColorKey(face, SDL_TRUE, *(Uint8 *)face->pixels);
SDLTest_AssertPass("Call to SDL_SetSurfaceColorKey()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceColorKey, expected: 0, got: %i", ret);
}
/* Convert to 32 bit to compare. */
rface = SDL_ConvertSurface(face, testSurface->format);
SDLTest_AssertPass("Call to SDL_ConvertSurface()");
SDLTest_AssertCheck(rface != NULL, "Verify result from SDL_ConvertSurface is not NULL");
/* Compare surface. */
ret = SDLTest_CompareSurfaces(rface, face, 0);
SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret);
/* Clean up. */
SDL_DestroySurface(face);
face = NULL;
SDL_DestroySurface(rface);
rface = NULL;
return TEST_COMPLETED;
}
/**
* Tests surface conversion across all pixel formats.
*/
static int surface_testCompleteSurfaceConversion(void *arg)
{
Uint32 pixel_formats[] = {
SDL_PIXELFORMAT_INDEX8,
SDL_PIXELFORMAT_RGB332,
SDL_PIXELFORMAT_XRGB4444,
SDL_PIXELFORMAT_XBGR4444,
SDL_PIXELFORMAT_XRGB1555,
SDL_PIXELFORMAT_XBGR1555,
SDL_PIXELFORMAT_ARGB4444,
SDL_PIXELFORMAT_RGBA4444,
SDL_PIXELFORMAT_ABGR4444,
SDL_PIXELFORMAT_BGRA4444,
SDL_PIXELFORMAT_ARGB1555,
SDL_PIXELFORMAT_RGBA5551,
SDL_PIXELFORMAT_ABGR1555,
SDL_PIXELFORMAT_BGRA5551,
SDL_PIXELFORMAT_RGB565,
SDL_PIXELFORMAT_BGR565,
SDL_PIXELFORMAT_RGB24,
SDL_PIXELFORMAT_BGR24,
SDL_PIXELFORMAT_XRGB8888,
SDL_PIXELFORMAT_RGBX8888,
SDL_PIXELFORMAT_XBGR8888,
SDL_PIXELFORMAT_BGRX8888,
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_RGBA8888,
SDL_PIXELFORMAT_ABGR8888,
SDL_PIXELFORMAT_BGRA8888,
#if 0 /* We aren't testing HDR10 colorspace conversion */
SDL_PIXELFORMAT_XRGB2101010,
SDL_PIXELFORMAT_XBGR2101010,
SDL_PIXELFORMAT_ARGB2101010,
SDL_PIXELFORMAT_ABGR2101010,
#endif
};
SDL_Surface *face = NULL, *cvt1, *cvt2, *final;
const SDL_PixelFormatDetails *fmt1, *fmt2;
int i, j, ret = 0;
/* Create sample surface */
face = SDLTest_ImageFace();
SDLTest_AssertCheck(face != NULL, "Verify face surface is not NULL");
if (face == NULL) {
return TEST_ABORTED;
}
/* Set transparent pixel as the pixel at (0,0) */
if (SDL_GetSurfacePalette(face)) {
ret = SDL_SetSurfaceColorKey(face, SDL_TRUE, *(Uint8 *)face->pixels);
SDLTest_AssertPass("Call to SDL_SetSurfaceColorKey()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceColorKey, expected: 0, got: %i", ret);
}
for (i = 0; i < SDL_arraysize(pixel_formats); ++i) {
for (j = 0; j < SDL_arraysize(pixel_formats); ++j) {
fmt1 = SDL_GetPixelFormatDetails(pixel_formats[i]);
SDLTest_AssertCheck(fmt1 != NULL, "SDL_GetPixelFormatDetails(%s[0x%08" SDL_PRIx32 "]) should return a non-null pixel format",
SDL_GetPixelFormatName(pixel_formats[i]), pixel_formats[i]);
cvt1 = SDL_ConvertSurface(face, fmt1->format);
SDLTest_AssertCheck(cvt1 != NULL, "SDL_ConvertSurface(..., %s[0x%08" SDL_PRIx32 "]) should return a non-null surface",
SDL_GetPixelFormatName(pixel_formats[i]), pixel_formats[i]);
fmt2 = SDL_GetPixelFormatDetails(pixel_formats[j]);
SDLTest_AssertCheck(fmt2 != NULL, "SDL_GetPixelFormatDetails(%s[0x%08" SDL_PRIx32 "]) should return a non-null pixel format",
SDL_GetPixelFormatName(pixel_formats[i]), pixel_formats[i]);
cvt2 = SDL_ConvertSurface(cvt1, fmt2->format);
SDLTest_AssertCheck(cvt2 != NULL, "SDL_ConvertSurface(..., %s[0x%08" SDL_PRIx32 "]) should return a non-null surface",
SDL_GetPixelFormatName(pixel_formats[i]), pixel_formats[i]);
if (fmt1 && fmt2 &&
fmt1->bytes_per_pixel == SDL_BYTESPERPIXEL(face->format) &&
fmt2->bytes_per_pixel == SDL_BYTESPERPIXEL(face->format) &&
SDL_ISPIXELFORMAT_ALPHA(fmt1->format) == SDL_ISPIXELFORMAT_ALPHA(face->format) &&
SDL_ISPIXELFORMAT_ALPHA(fmt2->format) == SDL_ISPIXELFORMAT_ALPHA(face->format)) {
final = SDL_ConvertSurface(cvt2, face->format);
SDL_assert(final != NULL);
/* Compare surface. */
ret = SDLTest_CompareSurfaces(face, final, 0);
SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret);
SDL_DestroySurface(final);
}
SDL_DestroySurface(cvt1);
SDL_DestroySurface(cvt2);
}
}
/* Clean up. */
SDL_DestroySurface(face);
return TEST_COMPLETED;
}
/**
* Tests sprite loading. A failure case.
*/
static int surface_testLoadFailure(void *arg)
{
SDL_Surface *face = SDL_LoadBMP("nonexistant.bmp");
SDLTest_AssertCheck(face == NULL, "SDL_CreateLoadBmp");
return TEST_COMPLETED;
}
/**
* Tests some blitting routines.
*/
static int surface_testBlit(void *arg)
{
/* Basic blitting */
testBlitBlendMode(SDL_BLENDMODE_NONE);
return TEST_COMPLETED;
}
/**
* Tests some blitting routines with color mod
*/
static int surface_testBlitColorMod(void *arg)
{
/* Basic blitting with color mod */
testBlitBlendMode(-1);
return TEST_COMPLETED;
}
/**
* Tests some blitting routines with alpha mod
*/
static int surface_testBlitAlphaMod(void *arg)
{
/* Basic blitting with alpha mod */
testBlitBlendMode(-2);
return TEST_COMPLETED;
}
/**
* Tests some more blitting routines.
*/
static int surface_testBlitBlendBlend(void *arg)
{
/* Blend blitting */
testBlitBlendMode(SDL_BLENDMODE_BLEND);
return TEST_COMPLETED;
}
/**
* @brief Tests some more blitting routines.
*/
static int surface_testBlitBlendPremultiplied(void *arg)
{
/* Blend premultiplied blitting */
testBlitBlendMode(SDL_BLENDMODE_BLEND_PREMULTIPLIED);
return TEST_COMPLETED;
}
/**
* Tests some more blitting routines.
*/
static int surface_testBlitBlendAdd(void *arg)
{
/* Add blitting */
testBlitBlendMode(SDL_BLENDMODE_ADD);
return TEST_COMPLETED;
}
/**
* Tests some more blitting routines.
*/
static int surface_testBlitBlendAddPremultiplied(void *arg)
{
/* Add premultiplied blitting */
testBlitBlendMode(SDL_BLENDMODE_ADD_PREMULTIPLIED);
return TEST_COMPLETED;
}
/**
* Tests some more blitting routines.
*/
static int surface_testBlitBlendMod(void *arg)
{
/* Mod blitting */
testBlitBlendMode(SDL_BLENDMODE_MOD);
return TEST_COMPLETED;
}
/**
* Tests some more blitting routines.
*/
static int surface_testBlitBlendMul(void *arg)
{
/* Mod blitting */
testBlitBlendMode(SDL_BLENDMODE_MUL);
return TEST_COMPLETED;
}
static int surface_testOverflow(void *arg)
{
char buf[1024];
const char *expectedError;
SDL_Surface *surface;
SDL_memset(buf, '\0', sizeof(buf));
expectedError = "Parameter 'width' is invalid";
surface = SDL_CreateSurface(-3, 100, SDL_PIXELFORMAT_INDEX8);
SDLTest_AssertCheck(surface == NULL, "Should detect negative width");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(-1, 1, SDL_PIXELFORMAT_INDEX8, buf, 4);
SDLTest_AssertCheck(surface == NULL, "Should detect negative width");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(-1, 1, SDL_PIXELFORMAT_RGBA8888, buf, 4);
SDLTest_AssertCheck(surface == NULL, "Should detect negative width");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
expectedError = "Parameter 'height' is invalid";
surface = SDL_CreateSurface(100, -3, SDL_PIXELFORMAT_INDEX8);
SDLTest_AssertCheck(surface == NULL, "Should detect negative height");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(1, -1, SDL_PIXELFORMAT_INDEX8, buf, 4);
SDLTest_AssertCheck(surface == NULL, "Should detect negative height");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(1, -1, SDL_PIXELFORMAT_RGBA8888, buf, 4);
SDLTest_AssertCheck(surface == NULL, "Should detect negative height");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
expectedError = "Parameter 'pitch' is invalid";
surface = SDL_CreateSurfaceFrom(4, 1, SDL_PIXELFORMAT_INDEX8, buf, -1);
SDLTest_AssertCheck(surface == NULL, "Should detect negative pitch");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(1, 1, SDL_PIXELFORMAT_RGBA8888, buf, -1);
SDLTest_AssertCheck(surface == NULL, "Should detect negative pitch");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(1, 1, SDL_PIXELFORMAT_RGBA8888, buf, 0);
SDLTest_AssertCheck(surface == NULL, "Should detect zero pitch");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(1, 1, SDL_PIXELFORMAT_RGBA8888, NULL, 0);
SDLTest_AssertCheck(surface != NULL, "Allow zero pitch for partially set up surfaces: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
/* Less than 1 byte per pixel: the pitch can legitimately be less than
* the width, but it must be enough to hold the appropriate number of
* bits per pixel. SDL_PIXELFORMAT_INDEX4* needs 1 byte per 2 pixels. */
surface = SDL_CreateSurfaceFrom(6, 1, SDL_PIXELFORMAT_INDEX4LSB, buf, 3);
SDLTest_AssertCheck(surface != NULL, "6px * 4 bits per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(6, 1, SDL_PIXELFORMAT_INDEX4MSB, buf, 3);
SDLTest_AssertCheck(surface != NULL, "6px * 4 bits per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(7, 1, SDL_PIXELFORMAT_INDEX4LSB, buf, 3);
SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(7, 1, SDL_PIXELFORMAT_INDEX4MSB, buf, 3);
SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(7, 1, SDL_PIXELFORMAT_INDEX4LSB, buf, 4);
SDLTest_AssertCheck(surface != NULL, "7px * 4 bits per px fits in 4 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(7, 1, SDL_PIXELFORMAT_INDEX4MSB, buf, 4);
SDLTest_AssertCheck(surface != NULL, "7px * 4 bits per px fits in 4 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
/* SDL_PIXELFORMAT_INDEX2* needs 1 byte per 4 pixels. */
surface = SDL_CreateSurfaceFrom(12, 1, SDL_PIXELFORMAT_INDEX2LSB, buf, 3);
SDLTest_AssertCheck(surface != NULL, "12px * 2 bits per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(12, 1, SDL_PIXELFORMAT_INDEX2MSB, buf, 3);
SDLTest_AssertCheck(surface != NULL, "12px * 2 bits per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(13, 1, SDL_PIXELFORMAT_INDEX2LSB, buf, 3);
SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp (%d)", surface ? surface->pitch : 0);
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(13, 1, SDL_PIXELFORMAT_INDEX2MSB, buf, 3);
SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(13, 1, SDL_PIXELFORMAT_INDEX2LSB, buf, 4);
SDLTest_AssertCheck(surface != NULL, "13px * 2 bits per px fits in 4 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(13, 1, SDL_PIXELFORMAT_INDEX2MSB, buf, 4);
SDLTest_AssertCheck(surface != NULL, "13px * 2 bits per px fits in 4 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
/* SDL_PIXELFORMAT_INDEX1* needs 1 byte per 8 pixels. */
surface = SDL_CreateSurfaceFrom(16, 1, SDL_PIXELFORMAT_INDEX1LSB, buf, 2);
SDLTest_AssertCheck(surface != NULL, "16px * 1 bit per px fits in 2 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(16, 1, SDL_PIXELFORMAT_INDEX1MSB, buf, 2);
SDLTest_AssertCheck(surface != NULL, "16px * 1 bit per px fits in 2 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(17, 1, SDL_PIXELFORMAT_INDEX1LSB, buf, 2);
SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(17, 1, SDL_PIXELFORMAT_INDEX1MSB, buf, 2);
SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(17, 1, SDL_PIXELFORMAT_INDEX1LSB, buf, 3);
SDLTest_AssertCheck(surface != NULL, "17px * 1 bit per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(17, 1, SDL_PIXELFORMAT_INDEX1MSB, buf, 3);
SDLTest_AssertCheck(surface != NULL, "17px * 1 bit per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
/* SDL_PIXELFORMAT_INDEX8 and SDL_PIXELFORMAT_RGB332 require 1 byte per pixel. */
surface = SDL_CreateSurfaceFrom(5, 1, SDL_PIXELFORMAT_RGB332, buf, 5);
SDLTest_AssertCheck(surface != NULL, "5px * 8 bits per px fits in 5 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(5, 1, SDL_PIXELFORMAT_INDEX8, buf, 5);
SDLTest_AssertCheck(surface != NULL, "5px * 8 bits per px fits in 5 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(6, 1, SDL_PIXELFORMAT_RGB332, buf, 5);
SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(6, 1, SDL_PIXELFORMAT_INDEX8, buf, 5);
SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
/* Everything else requires more than 1 byte per pixel, and rounds up
* each pixel to an integer number of bytes (e.g. RGB555 is really
* XRGB1555, with 1 bit per pixel wasted). */
surface = SDL_CreateSurfaceFrom(3, 1, SDL_PIXELFORMAT_XRGB1555, buf, 6);
SDLTest_AssertCheck(surface != NULL, "3px * 15 (really 16) bits per px fits in 6 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(3, 1, SDL_PIXELFORMAT_XRGB1555, buf, 6);
SDLTest_AssertCheck(surface != NULL, "5px * 15 (really 16) bits per px fits in 6 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(4, 1, SDL_PIXELFORMAT_XRGB1555, buf, 6);
SDLTest_AssertCheck(surface == NULL, "4px * 15 (really 16) bits per px doesn't fit in 6 bytes");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(4, 1, SDL_PIXELFORMAT_XRGB1555, buf, 6);
SDLTest_AssertCheck(surface == NULL, "4px * 15 (really 16) bits per px doesn't fit in 6 bytes");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
if (sizeof(size_t) == 4 && sizeof(int) >= 4) {
SDL_ClearError();
expectedError = "aligning pitch would overflow";
/* 0x5555'5555 * 3bpp = 0xffff'ffff which fits in size_t, but adding
* alignment padding makes it overflow */
surface = SDL_CreateSurface(0x55555555, 1, SDL_PIXELFORMAT_RGB24);
SDLTest_AssertCheck(surface == NULL, "Should detect overflow in pitch + alignment");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
SDL_ClearError();
expectedError = "width * bpp would overflow";
/* 0x4000'0000 * 4bpp = 0x1'0000'0000 which (just) overflows */
surface = SDL_CreateSurface(0x40000000, 1, SDL_PIXELFORMAT_ARGB8888);
SDLTest_AssertCheck(surface == NULL, "Should detect overflow in width * bytes per pixel");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
SDL_ClearError();
expectedError = "height * pitch would overflow";
surface = SDL_CreateSurface((1 << 29) - 1, (1 << 29) - 1, SDL_PIXELFORMAT_INDEX8);
SDLTest_AssertCheck(surface == NULL, "Should detect overflow in width * height");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
SDL_ClearError();
expectedError = "height * pitch would overflow";
surface = SDL_CreateSurface((1 << 15) + 1, (1 << 15) + 1, SDL_PIXELFORMAT_ARGB8888);
SDLTest_AssertCheck(surface == NULL, "Should detect overflow in width * height * bytes per pixel");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
} else {
SDLTest_Log("Can't easily overflow size_t on this platform");
}
return TEST_COMPLETED;
}
static int surface_testFlip(void *arg)
{
SDL_Surface *surface;
Uint8 *pixels;
int offset;
const char *expectedError;
surface = SDL_CreateSurface(3, 3, SDL_PIXELFORMAT_RGB24);
SDLTest_AssertCheck(surface != NULL, "SDL_CreateSurface()");
SDL_ClearError();
expectedError = "Parameter 'surface' is invalid";
SDL_FlipSurface(NULL, SDL_FLIP_HORIZONTAL);
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
SDL_ClearError();
expectedError = "Parameter 'flip' is invalid";
SDL_FlipSurface(surface, SDL_FLIP_NONE);
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
pixels = (Uint8 *)surface->pixels;
*pixels = 0xFF;
offset = 0;
SDLTest_AssertPass("Call to SDL_FlipSurface(surface, SDL_FLIP_VERTICAL)");
CHECK_FUNC(SDL_FlipSurface, (surface, SDL_FLIP_VERTICAL));
SDLTest_AssertCheck(pixels[offset] == 0x00,
"Expected pixels[%d] == 0x00 got 0x%.2X", offset, pixels[offset]);
offset = 2 * surface->pitch;
SDLTest_AssertCheck(pixels[offset] == 0xFF,
"Expected pixels[%d] == 0xFF got 0x%.2X", offset, pixels[offset]);
SDLTest_AssertPass("Call to SDL_FlipSurface(surface, SDL_FLIP_HORIZONTAL)");
CHECK_FUNC(SDL_FlipSurface, (surface, SDL_FLIP_HORIZONTAL));
SDLTest_AssertCheck(pixels[offset] == 0x00,
"Expected pixels[%d] == 0x00 got 0x%.2X", offset, pixels[offset]);
offset += (surface->w - 1) * SDL_BYTESPERPIXEL(surface->format);
SDLTest_AssertCheck(pixels[offset] == 0xFF,
"Expected pixels[%d] == 0xFF got 0x%.2X", offset, pixels[offset]);
SDL_DestroySurface(surface);
return TEST_COMPLETED;
}
static int surface_testPalette(void *arg)
{
SDL_Surface *source, *surface, *output;
SDL_Palette *palette;
Uint8 *pixels;
palette = SDL_CreatePalette(2);
SDLTest_AssertCheck(palette != NULL, "SDL_CreatePalette()");
source = SDL_CreateSurface(1, 1, SDL_PIXELFORMAT_INDEX8);
SDLTest_AssertCheck(source != NULL, "SDL_CreateSurface()");
SDLTest_AssertCheck(SDL_GetSurfacePalette(source) == NULL, "SDL_GetSurfacePalette(source)");
surface = SDL_CreateSurface(1, 1, SDL_PIXELFORMAT_INDEX8);
SDLTest_AssertCheck(surface != NULL, "SDL_CreateSurface()");
SDLTest_AssertCheck(SDL_GetSurfacePalette(surface) == NULL, "SDL_GetSurfacePalette(surface)");
pixels = (Uint8 *)surface->pixels;
SDLTest_AssertCheck(*pixels == 0, "Expected *pixels == 0 got %u", *pixels);
/* Identity copy between indexed surfaces without a palette */
*(Uint8 *)source->pixels = 1;
SDL_BlitSurface(source, NULL, surface, NULL);
SDLTest_AssertCheck(*pixels == 1, "Expected *pixels == 1 got %u", *pixels);
/* Identity copy between indexed surfaces where the destination has a palette */
palette->colors[0].r = 0;
palette->colors[0].g = 0;
palette->colors[0].b = 0;
palette->colors[1].r = 0xFF;
palette->colors[1].g = 0;
palette->colors[1].b = 0;
SDL_SetSurfacePalette(surface, palette);
*pixels = 0;
SDL_BlitSurface(source, NULL, surface, NULL);
SDLTest_AssertCheck(*pixels == 1, "Expected *pixels == 1 got %u", *pixels);
output = SDL_CreateSurface(1, 1, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(output != NULL, "SDL_CreateSurface()");
pixels = (Uint8 *)output->pixels;
SDL_BlitSurface(surface, NULL, output, NULL);
SDLTest_AssertCheck(*pixels == 0xFF, "Expected *pixels == 0xFF got 0x%.2X", *pixels);
/* Set the palette color and blit again */
palette->colors[1].r = 0xAA;
SDL_SetSurfacePalette(surface, palette);
SDL_BlitSurface(surface, NULL, output, NULL);
SDLTest_AssertCheck(*pixels == 0xAA, "Expected *pixels == 0xAA got 0x%.2X", *pixels);
SDL_DestroyPalette(palette);
SDL_DestroySurface(source);
SDL_DestroySurface(surface);
SDL_DestroySurface(output);
return TEST_COMPLETED;
}
/* ================= Test References ================== */
/* Surface test cases */
static const SDLTest_TestCaseReference surfaceTest1 = {
(SDLTest_TestCaseFp)surface_testSaveLoadBitmap, "surface_testSaveLoadBitmap", "Tests sprite saving and loading.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest2 = {
(SDLTest_TestCaseFp)surface_testBlit, "surface_testBlit", "Tests basic blitting.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest3 = {
(SDLTest_TestCaseFp)surface_testLoadFailure, "surface_testLoadFailure", "Tests sprite loading. A failure case.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest4 = {
(SDLTest_TestCaseFp)surface_testSurfaceConversion, "surface_testSurfaceConversion", "Tests surface conversion.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest5 = {
(SDLTest_TestCaseFp)surface_testCompleteSurfaceConversion, "surface_testCompleteSurfaceConversion", "Tests surface conversion across all pixel formats", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest6 = {
(SDLTest_TestCaseFp)surface_testBlitColorMod, "surface_testBlitColorMod", "Tests some blitting routines with color mod.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest7 = {
(SDLTest_TestCaseFp)surface_testBlitAlphaMod, "surface_testBlitAlphaMod", "Tests some blitting routines with alpha mod.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest8 = {
(SDLTest_TestCaseFp)surface_testBlitBlendBlend, "surface_testBlitBlendBlend", "Tests blitting routines with blend blending mode.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest9 = {
(SDLTest_TestCaseFp)surface_testBlitBlendPremultiplied, "surface_testBlitBlendPremultiplied", "Tests blitting routines with premultiplied blending mode.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest10 = {
(SDLTest_TestCaseFp)surface_testBlitBlendAdd, "surface_testBlitBlendAdd", "Tests blitting routines with add blending mode.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest11 = {
(SDLTest_TestCaseFp)surface_testBlitBlendAddPremultiplied, "surface_testBlitBlendAddPremultiplied", "Tests blitting routines with premultiplied add blending mode.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest12 = {
(SDLTest_TestCaseFp)surface_testBlitBlendMod, "surface_testBlitBlendMod", "Tests blitting routines with mod blending mode.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTest13 = {
(SDLTest_TestCaseFp)surface_testBlitBlendMul, "surface_testBlitBlendMul", "Tests blitting routines with mul blending mode.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTestOverflow = {
surface_testOverflow, "surface_testOverflow", "Test overflow detection.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTestFlip = {
surface_testFlip, "surface_testFlip", "Test surface flipping.", TEST_ENABLED
};
static const SDLTest_TestCaseReference surfaceTestPalette = {
surface_testPalette, "surface_testPalette", "Test surface palette operations.", TEST_ENABLED
};
/* Sequence of Surface test cases */
static const SDLTest_TestCaseReference *surfaceTests[] = {
&surfaceTest1, &surfaceTest2, &surfaceTest3, &surfaceTest4, &surfaceTest5,
&surfaceTest6, &surfaceTest7, &surfaceTest8, &surfaceTest9, &surfaceTest10,
&surfaceTest11, &surfaceTest12, &surfaceTest13,
&surfaceTestOverflow, &surfaceTestFlip, &surfaceTestPalette, NULL
};
/* Surface test suite (global) */
SDLTest_TestSuiteReference surfaceTestSuite = {
"Surface",
surfaceSetUp,
surfaceTests,
surfaceTearDown
};
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