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https://github.com/libsdl-org/SDL.git
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Added SDL_RenderTextureTiled()
This commit is contained in:
Sam Lantinga
parent
9e55ee9391
commit
198caa54a1
6 changed files with 385 additions and 71 deletions
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@ -36,6 +36,7 @@ static SDL_Renderer *renderer = NULL;
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static int clearScreen(void);
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static void compare(SDL_Surface *reference, int allowable_error);
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static void compare2x(SDL_Surface *reference, int allowable_error);
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static SDL_Texture *loadTestFace(void);
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static int hasDrawColor(void);
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static int isSupported(int code);
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@ -292,6 +293,78 @@ static int render_testBlit(void *arg)
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return TEST_COMPLETED;
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}
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/**
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* Tests tiled blitting routines.
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*/
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static int render_testBlitTiled(void *arg)
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{
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int ret;
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SDL_FRect rect;
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SDL_Texture *tface;
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SDL_Surface *referenceSurface = NULL;
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SDL_Surface *referenceSurface2x = NULL;
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/* Create face surface. */
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tface = loadTestFace();
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SDLTest_AssertCheck(tface != NULL, "Verify loadTestFace() result");
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if (tface == NULL) {
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return TEST_ABORTED;
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}
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SDL_SetTextureScaleMode(tface, SDL_SCALEMODE_NEAREST); /* So 2x scaling is pixel perfect */
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/* Tiled blit - 1.0 scale */
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{
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/* Clear surface. */
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clearScreen();
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/* Tiled blit. */
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rect.x = 0.0f;
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rect.y = 0.0f;
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rect.w = (float)TESTRENDER_SCREEN_W;
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rect.h = (float)TESTRENDER_SCREEN_H;
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ret = SDL_RenderTextureTiled(renderer, tface, NULL, 1.0f, &rect);
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SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_RenderTextureTiled, expected: 0, got: %i", ret);
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/* See if it's the same */
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referenceSurface = SDLTest_ImageBlitTiled();
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compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
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/* Make current */
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SDL_RenderPresent(renderer);
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}
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/* Tiled blit - 2.0 scale */
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{
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/* Clear surface. */
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clearScreen();
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/* Tiled blit. */
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rect.x = 0.0f;
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rect.y = 0.0f;
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rect.w = (float)TESTRENDER_SCREEN_W * 2;
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rect.h = (float)TESTRENDER_SCREEN_H * 2;
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ret = SDL_RenderTextureTiled(renderer, tface, NULL, 2.0f, &rect);
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SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_RenderTextureTiled, expected: 0, got: %i", ret);
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/* See if it's the same */
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referenceSurface2x = SDL_CreateSurface(referenceSurface->w * 2, referenceSurface->h * 2, referenceSurface->format);
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SDL_BlitSurfaceScaled(referenceSurface, NULL, referenceSurface2x, NULL, SDL_SCALEMODE_NEAREST);
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SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_BlitSurfaceScaled, expected: 0, got: %i", ret);
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compare2x(referenceSurface2x, ALLOWABLE_ERROR_OPAQUE);
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/* Make current */
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SDL_RenderPresent(renderer);
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}
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/* Clean up. */
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SDL_DestroyTexture(tface);
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SDL_DestroySurface(referenceSurface);
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SDL_DestroySurface(referenceSurface2x);
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referenceSurface = NULL;
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return TEST_COMPLETED;
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}
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/**
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* Blits doing color tests.
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*
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@ -1008,8 +1081,7 @@ loadTestFace(void)
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* \sa SDL_CreateSurfaceFrom
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* \sa SDL_DestroySurface
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*/
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static void
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compare(SDL_Surface *referenceSurface, int allowable_error)
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static void compare(SDL_Surface *referenceSurface, int allowable_error)
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{
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int ret;
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SDL_Rect rect;
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@ -1041,6 +1113,38 @@ compare(SDL_Surface *referenceSurface, int allowable_error)
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/* Clean up. */
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SDL_DestroySurface(testSurface);
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}
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static void compare2x(SDL_Surface *referenceSurface, int allowable_error)
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{
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int ret;
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SDL_Rect rect;
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SDL_Surface *surface, *testSurface;
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/* Explicitly specify the rect in case the window isn't the expected size... */
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rect.x = 0;
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rect.y = 0;
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rect.w = TESTRENDER_SCREEN_W * 2;
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rect.h = TESTRENDER_SCREEN_H * 2;
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surface = SDL_RenderReadPixels(renderer, &rect);
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if (!surface) {
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SDLTest_AssertCheck(surface != NULL, "Validate result from SDL_RenderReadPixels, got NULL, %s", SDL_GetError());
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return;
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}
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testSurface = SDL_ConvertSurface(surface, RENDER_COMPARE_FORMAT);
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SDL_DestroySurface(surface);
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if (!testSurface) {
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SDLTest_AssertCheck(testSurface != NULL, "Validate result from SDL_ConvertSurface, got NULL, %s", SDL_GetError());
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return;
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}
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/* Compare surface. */
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ret = SDLTest_CompareSurfaces(testSurface, referenceSurface, allowable_error);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret);
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/* Clean up. */
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SDL_DestroySurface(testSurface);
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}
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/**
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* Clears the screen. Helper function.
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@ -1182,39 +1286,43 @@ static int render_testUVWrapping(void *arg)
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/* ================= Test References ================== */
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/* Render test cases */
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static const SDLTest_TestCaseReference renderTest1 = {
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static const SDLTest_TestCaseReference renderTestGetNumRenderDrivers = {
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(SDLTest_TestCaseFp)render_testGetNumRenderDrivers, "render_testGetNumRenderDrivers", "Tests call to SDL_GetNumRenderDrivers", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTest2 = {
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static const SDLTest_TestCaseReference renderTestPrimitives = {
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(SDLTest_TestCaseFp)render_testPrimitives, "render_testPrimitives", "Tests rendering primitives", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTest3 = {
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static const SDLTest_TestCaseReference renderTestPrimitivesWithViewport = {
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(SDLTest_TestCaseFp)render_testPrimitivesWithViewport, "render_testPrimitivesWithViewport", "Tests rendering primitives within a viewport", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTest4 = {
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static const SDLTest_TestCaseReference renderTestBlit = {
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(SDLTest_TestCaseFp)render_testBlit, "render_testBlit", "Tests blitting", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTest5 = {
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static const SDLTest_TestCaseReference renderTestBlitTiled = {
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(SDLTest_TestCaseFp)render_testBlitTiled, "render_testBlitTiled", "Tests tiled blitting", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTestBlitColor = {
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(SDLTest_TestCaseFp)render_testBlitColor, "render_testBlitColor", "Tests blitting with color", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTest6 = {
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static const SDLTest_TestCaseReference renderTestBlendModes = {
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(SDLTest_TestCaseFp)render_testBlendModes, "render_testBlendModes", "Tests rendering blend modes", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTest7 = {
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static const SDLTest_TestCaseReference renderTestViewport = {
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(SDLTest_TestCaseFp)render_testViewport, "render_testViewport", "Tests viewport", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTest8 = {
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static const SDLTest_TestCaseReference renderTestClipRect = {
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(SDLTest_TestCaseFp)render_testClipRect, "render_testClipRect", "Tests clip rect", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTest9 = {
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static const SDLTest_TestCaseReference renderTestLogicalSize = {
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(SDLTest_TestCaseFp)render_testLogicalSize, "render_testLogicalSize", "Tests logical size", TEST_ENABLED
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};
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@ -1224,9 +1332,18 @@ static const SDLTest_TestCaseReference renderTestUVWrapping = {
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/* Sequence of Render test cases */
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static const SDLTest_TestCaseReference *renderTests[] = {
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&renderTest1, &renderTest2, &renderTest3, &renderTest4,
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&renderTest5, &renderTest6, &renderTest7, &renderTest8,
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&renderTest9, &renderTestUVWrapping, NULL
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&renderTestGetNumRenderDrivers,
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&renderTestPrimitives,
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&renderTestPrimitivesWithViewport,
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&renderTestBlit,
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&renderTestBlitTiled,
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&renderTestBlitColor,
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&renderTestBlendModes,
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&renderTestViewport,
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&renderTestClipRect,
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&renderTestLogicalSize,
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&renderTestUVWrapping,
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NULL
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};
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/* Render test suite (global) */
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