Mercurial > sdl-ios-xcode
diff test/automated/render/render.c @ 3735:27b4b4d71011 gsoc2009_unit_tests
Test for capabilities for each test.
Divided into more tests to match capabilities.
author | Edgar Simo <bobbens@gmail.com> |
---|---|
date | Mon, 20 Jul 2009 18:07:29 +0000 |
parents | 42356acbc993 |
children | c875baafce36 |
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--- a/test/automated/render/render.c Sat Jul 18 22:29:37 2009 +0000 +++ b/test/automated/render/render.c Mon Jul 20 18:07:29 2009 +0000 @@ -30,17 +30,27 @@ * Prototypes. */ static int render_compare( const char *msg, const SurfaceImage_t *s ); +static int render_hasDrawColor (void); +static int render_hasBlendModes (void); +static int render_hasTexColor (void); +static int render_hasTexAlpha (void); static int render_clearScreen (void); /* Testcases. */ static int render_testPrimitives (void); static int render_testPrimitivesBlend (void); static int render_testBlit (void); +static int render_testBlitColour (void); +static int render_testBlitAlpha (void); static int render_testBlitBlendMode( SDL_TextureID tface, int mode ); static int render_testBlitBlend (void); /** - * Compares screen pixels with image pixels. + * @brief Compares screen pixels with image pixels. + * + * @param msg Message on failure. + * @param s Image to compare against. + * @return 0 on success. */ static int render_compare( const char *msg, const SurfaceImage_t *s ) { @@ -75,14 +85,147 @@ /* Clean up. */ SDL_FreeSurface( testsur ); free(pix); - #endif return 0; } + +/** + * @brief Test to see if we can vary the draw colour. + */ +static int render_hasDrawColor (void) +{ + int ret; + Uint8 r, g, b, a; + + /* Set colour. */ + ret = SDL_SetRenderDrawColor( 100, 100, 100, 100 ); + ret |= SDL_GetRenderDrawColor( &r, &g, &b, &a ); + /* Restore natural. */ + ret |= SDL_SetRenderDrawColor( 0, 0, 0, SDL_ALPHA_OPAQUE ); + + /* Something failed, consider not available. */ + if (ret != 0) + return 0; + /* Not set properly, consider failed. */ + else if ((r != 100) || (g != 100) || (b != 100) || (a != 100)) + return 0; + return 1; +} + + +/** + * @brief Test to see if we can vary the blend mode. + */ +static int render_hasBlendModes (void) +{ + int ret; + int mode; + + ret = SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_BLEND ); + ret |= SDL_GetRenderDrawBlendMode( &mode ); + ret |= (mode != SDL_BLENDMODE_BLEND); + ret |= SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_ADD ); + ret |= SDL_GetRenderDrawBlendMode( &mode ); + ret |= (mode != SDL_BLENDMODE_ADD); + ret |= SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_MOD ); + ret |= SDL_GetRenderDrawBlendMode( &mode ); + ret |= (mode != SDL_BLENDMODE_MOD); + ret |= SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_MASK ); + ret |= SDL_GetRenderDrawBlendMode( &mode ); + ret |= (mode != SDL_BLENDMODE_MASK); + ret |= SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_NONE ); + ret |= SDL_GetRenderDrawBlendMode( &mode ); + ret |= (mode != SDL_BLENDMODE_NONE); + + return !ret; +} + + +/** + * @brief Loads the test face. + */ +static SDL_TextureID render_loadTestFace (void) +{ + SDL_Surface *face; + SDL_TextureID tface; + + /* Create face surface. */ + face = SDL_CreateRGBSurfaceFrom( (void*)img_face.pixel_data, + img_face.width, img_face.height, 32, img_face.width*4, + RMASK, GMASK, BMASK, AMASK ); + if (face == NULL) + return 0; + tface = SDL_CreateTextureFromSurface( 0, face ); + SDL_FreeSurface(face); + + return tface; +} + + +/** + * @brief Test to see if can set texture colour mode. + */ +static int render_hasTexColor (void) +{ + int ret; + SDL_TextureID tface; + Uint8 r, g, b; + + /* Get test face. */ + tface = render_loadTestFace(); + if (tface == 0) + return 0; + + /* See if supported. */ + ret = SDL_SetTextureColorMod( tface, 100, 100, 100 ); + ret |= SDL_GetTextureColorMod( tface, &r, &g, &b ); + + /* Clean up. */ + SDL_DestroyTexture( tface ); + + if (ret) + return 0; + else if ((r != 100) || (g != 100) || (b != 100)) + return 0; + return 1; +} + + +/** + * @brief Test to see if we can vary the alpha of the texture. + */ +static int render_hasTexAlpha (void) +{ + int ret; + SDL_TextureID tface; + Uint8 a; + + /* Get test face. */ + tface = render_loadTestFace(); + if (tface == 0) + return 0; + + /* See if supported. */ + ret = SDL_SetTextureAlphaMod( tface, 100 ); + ret |= SDL_GetTextureAlphaMod( tface, &a ); + + /* Clean up. */ + SDL_DestroyTexture( tface ); + + if (ret) + return 0; + else if (a != 100) + return 0; + return 1; +} + + /** * @brief Clears the screen. + * + * @note We don't test for errors, but they shouldn't happen. */ static int render_clearScreen (void) { @@ -90,21 +233,29 @@ /* Set colour. */ ret = SDL_SetRenderDrawColor( 0, 0, 0, SDL_ALPHA_OPAQUE ); + /* if (SDL_ATassert( "SDL_SetRenderDrawColor", ret == 0)) return -1; + */ /* Clear screen. */ ret = SDL_RenderFill( NULL ); + /* if (SDL_ATassert( "SDL_RenderFill", ret == 0)) return -1; + */ /* Set defaults. */ ret = SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_NONE ); + /* if (SDL_ATassert( "SDL_SetRenderDrawBlendMode", ret == 0)) return -1; + */ ret = SDL_SetRenderDrawColor( 255, 255, 255, SDL_ALPHA_OPAQUE ); + /* if (SDL_ATassert( "SDL_SetRenderDrawColor", ret == 0)) return -1; + */ return 0; } @@ -123,6 +274,10 @@ if (render_clearScreen()) return -1; + /* Need drawcolour or just skip test. */ + if (!render_hasDrawColor()) + return 0; + /* Draw a rectangle. */ rect.x = 40; rect.y = 0; @@ -204,16 +359,9 @@ if (render_clearScreen()) return -1; - /* See if we can actually run the test. */ -#if 0 - ret = 0; - ret |= SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_BLEND ); - ret |= SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_ADD ); - ret |= SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_MOD ); - ret |= SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_NONE ); - if (ret != 0) - return -1; -#endif + /* Need drawcolour and blendmode or just skip test. */ + if (!render_hasDrawColor() || !render_hasBlendModes()) + return 0; /* Create some rectangles for each blend mode. */ ret = SDL_SetRenderDrawColor( 255, 255, 255, 0 ); @@ -330,6 +478,10 @@ if (render_clearScreen()) return -1; + /* Need drawcolour or just skip test. */ + if (!render_hasDrawColor()) + return 0; + /* Create face surface. */ face = SDL_CreateRGBSurfaceFrom( (void*)img_face.pixel_data, img_face.width, img_face.height, 32, img_face.width*4, @@ -361,14 +513,55 @@ } } + /* Clean up. */ + SDL_DestroyTexture( tface ); + /* See if it's the same. */ if (render_compare( "Blit output not the same.", &img_blit )) return -1; + return 0; +} + + +/** + * @brief Blits doing colour tests. + */ +static int render_testBlitColour (void) +{ + int ret; + SDL_Rect rect; + SDL_Surface *face; + SDL_TextureID tface; + int i, j, ni, nj; + /* Clear surface. */ if (render_clearScreen()) return -1; + /* Need drawcolour or just skip test. */ + if (!render_hasTexColor()) + return 0; + + /* Create face surface. */ + face = SDL_CreateRGBSurfaceFrom( (void*)img_face.pixel_data, + img_face.width, img_face.height, 32, img_face.width*4, + RMASK, GMASK, BMASK, AMASK ); + if (SDL_ATassert( "SDL_CreateRGBSurfaceFrom", face != NULL)) + return -1; + tface = SDL_CreateTextureFromSurface( 0, face ); + if (SDL_ATassert( "SDL_CreateTextureFromSurface", tface != 0)) + return -1; + + /* Clean up. */ + SDL_FreeSurface( face ); + + /* Constant values. */ + rect.w = face->w; + rect.h = face->h; + ni = SCREEN_W - face->w; + nj = SCREEN_H - face->h; + /* Test blitting with colour mod. */ for (j=0; j <= nj; j+=4) { for (i=0; i <= ni; i+=4) { @@ -386,21 +579,61 @@ } } + /* Clean up. */ + SDL_DestroyTexture( tface ); + /* See if it's the same. */ if (render_compare( "Blit output not the same (using SDL_SetTextureColorMod).", &img_blitColour )) return -1; + return 0; +} + + +/** + * @brief Tests blitting with alpha. + */ +static int render_testBlitAlpha (void) +{ + int ret; + SDL_Rect rect; + SDL_Surface *face; + SDL_TextureID tface; + int i, j, ni, nj; + /* Clear surface. */ if (render_clearScreen()) return -1; - /* Restore colour. */ - ret = SDL_SetTextureColorMod( tface, 255, 255, 255 ); - if (SDL_ATassert( "SDL_SetTextureColorMod", ret == 0)) + /* Need alpha or just skip test. */ + if (!render_hasTexAlpha()) + return 0; + + /* Create face surface. */ + face = SDL_CreateRGBSurfaceFrom( (void*)img_face.pixel_data, + img_face.width, img_face.height, 32, img_face.width*4, + RMASK, GMASK, BMASK, AMASK ); + if (SDL_ATassert( "SDL_CreateRGBSurfaceFrom", face != NULL)) + return -1; + tface = SDL_CreateTextureFromSurface( 0, face ); + if (SDL_ATassert( "SDL_CreateTextureFromSurface", tface != 0)) return -1; - /* Test blitting with colour mod. */ + /* Clean up. */ + SDL_FreeSurface( face ); + + /* Constant values. */ + rect.w = face->w; + rect.h = face->h; + ni = SCREEN_W - face->w; + nj = SCREEN_H - face->h; + + /* Clear surface. */ + if (render_clearScreen()) + return -1; + + /* Test blitting with alpha mod. */ for (j=0; j <= nj; j+=4) { for (i=0; i <= ni; i+=4) { /* Set alpha mod. */ @@ -417,14 +650,14 @@ } } + /* Clean up. */ + SDL_DestroyTexture( tface ); + /* See if it's the same. */ if (render_compare( "Blit output not the same (using SDL_SetSurfaceAlphaMod).", &img_blitAlpha )) return -1; - /* Clean up. */ - SDL_DestroyTexture( tface ); - return 0; } @@ -487,6 +720,10 @@ if (render_clearScreen()) return -1; + /* Need drawcolour and blendmode or just skip test. */ + if (!render_hasBlendModes() || !render_hasTexColor() || !render_hasTexAlpha()) + return 0; + /* Create face surface. */ face = SDL_CreateRGBSurfaceFrom( (void*)img_face.pixel_data, img_face.width, img_face.height, 32, img_face.width*4, @@ -581,14 +818,14 @@ } } + /* Clean up. */ + SDL_DestroyTexture( tface ); + /* Check to see if matches. */ if (render_compare( "Blit blending output not the same (using SDL_BLENDMODE_*).", &img_blendAll )) return -1; - /* Clean up. */ - SDL_DestroyTexture( tface ); - return 0; } @@ -606,16 +843,23 @@ ret = 0; /* Software surface blitting. */ - ret |= render_testPrimitives(); + ret = render_testPrimitives(); + if (ret) + return -1; + ret = render_testPrimitivesBlend(); + if (ret) + return -1; + ret = render_testBlit(); if (ret) return -1; - ret |= render_testPrimitivesBlend(); + ret = render_testBlitColour(); if (ret) return -1; - ret |= render_testBlit(); + ret = render_testBlitAlpha(); if (ret) return -1; - ret |= render_testBlitBlend(); + ret = render_testBlitBlend(); + return ret; }