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Wrapper around return codes to check to see if is supported.
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@bobbens
bobbens committed Aug 2, 2009
1 parent 2549b47 commit 0b2dcbb
Showing 1 changed file with 91 additions and 28 deletions.
119 changes: 91 additions & 28 deletions test/automated/render/render.c
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Expand Up @@ -30,6 +30,7 @@
* Prototypes.
*/
static int render_compare( const char *msg, const SurfaceImage_t *s );
static int render_isSupported( int code );
static int render_hasDrawColor (void);
static int render_hasBlendModes (void);
static int render_hasTexColor (void);
Expand Down Expand Up @@ -106,22 +107,39 @@ static int render_compare( const char *msg, const SurfaceImage_t *s )
}


/**
* @brief Checks to see if functionality is supported.
*/
static int render_isSupported( int code )
{
return (code == 0);
}


/**
* @brief Test to see if we can vary the draw colour.
*/
static int render_hasDrawColor (void)
{
int ret;
int ret, fail;
Uint8 r, g, b, a;

fail = 0;

/* Set colour. */
ret = SDL_SetRenderDrawColor( 100, 100, 100, 100 );
ret |= SDL_GetRenderDrawColor( &r, &g, &b, &a );
ret = SDL_SetRenderDrawColor( 100, 100, 100, 100 );
if (!render_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawColor( &r, &g, &b, &a );
if (!render_isSupported(ret))
fail = 1;
/* Restore natural. */
ret |= SDL_SetRenderDrawColor( 0, 0, 0, SDL_ALPHA_OPAQUE );
ret = SDL_SetRenderDrawColor( 0, 0, 0, SDL_ALPHA_OPAQUE );
if (!render_isSupported(ret))
fail = 1;

/* Something failed, consider not available. */
if (ret != 0)
if (fail)
return 0;
/* Not set properly, consider failed. */
else if ((r != 100) || (g != 100) || (b != 100) || (a != 100))
Expand All @@ -135,26 +153,59 @@ static int render_hasDrawColor (void)
*/
static int render_hasBlendModes (void)
{
int fail;
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;
fail = 0;

ret = SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_BLEND );
if (!render_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawBlendMode( &mode );
if (!render_isSupported(ret))
fail = 1;
ret = (mode != SDL_BLENDMODE_BLEND);
if (!render_isSupported(ret))
fail = 1;
ret = SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_ADD );
if (!render_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawBlendMode( &mode );
if (!render_isSupported(ret))
fail = 1;
ret = (mode != SDL_BLENDMODE_ADD);
if (!render_isSupported(ret))
fail = 1;
ret = SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_MOD );
if (!render_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawBlendMode( &mode );
if (!render_isSupported(ret))
fail = 1;
ret = (mode != SDL_BLENDMODE_MOD);
if (!render_isSupported(ret))
fail = 1;
ret = SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_MASK );
if (!render_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawBlendMode( &mode );
if (!render_isSupported(ret))
fail = 1;
ret = (mode != SDL_BLENDMODE_MASK);
if (!render_isSupported(ret))
fail = 1;
ret = SDL_SetRenderDrawBlendMode( SDL_BLENDMODE_NONE );
if (!render_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawBlendMode( &mode );
if (!render_isSupported(ret))
fail = 1;
ret = (mode != SDL_BLENDMODE_NONE);
if (!render_isSupported(ret))
fail = 1;

return !fail;
}


Expand Down Expand Up @@ -184,6 +235,7 @@ static SDL_TextureID render_loadTestFace (void)
*/
static int render_hasTexColor (void)
{
int fail;
int ret;
SDL_TextureID tface;
Uint8 r, g, b;
Expand All @@ -194,13 +246,18 @@ static int render_hasTexColor (void)
return 0;

/* See if supported. */
ret = SDL_SetTextureColorMod( tface, 100, 100, 100 );
ret |= SDL_GetTextureColorMod( tface, &r, &g, &b );
fail = 0;
ret = SDL_SetTextureColorMod( tface, 100, 100, 100 );
if (!render_isSupported(ret))
fail = 1;
ret = SDL_GetTextureColorMod( tface, &r, &g, &b );
if (!render_isSupported(ret))
fail = 1;

/* Clean up. */
SDL_DestroyTexture( tface );

if (ret)
if (fail)
return 0;
else if ((r != 100) || (g != 100) || (b != 100))
return 0;
Expand All @@ -213,6 +270,7 @@ static int render_hasTexColor (void)
*/
static int render_hasTexAlpha (void)
{
int fail;
int ret;
SDL_TextureID tface;
Uint8 a;
Expand All @@ -223,13 +281,18 @@ static int render_hasTexAlpha (void)
return 0;

/* See if supported. */
ret = SDL_SetTextureAlphaMod( tface, 100 );
ret |= SDL_GetTextureAlphaMod( tface, &a );
fail = 0;
ret = SDL_SetTextureAlphaMod( tface, 100 );
if (!render_isSupported(ret))
fail = 1;
ret = SDL_GetTextureAlphaMod( tface, &a );
if (!render_isSupported(ret))
fail = 1;

/* Clean up. */
SDL_DestroyTexture( tface );

if (ret)
if (fail)
return 0;
else if (a != 100)
return 0;
Expand Down

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