diff options
Diffstat (limited to 'progs/demos')
| -rw-r--r-- | progs/demos/readpix.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/progs/demos/readpix.c b/progs/demos/readpix.c index 75ba45c1e5f..c0aac2272f7 100644 --- a/progs/demos/readpix.c +++ b/progs/demos/readpix.c @@ -29,33 +29,32 @@ static GLboolean ScaleAndBias = GL_FALSE; static GLboolean Benchmark = GL_FALSE; static GLubyte *TempImage = NULL; -#if 0 +#define COMBO 1 +#if COMBO == 0 #define ReadFormat ImgFormat #define ReadType GL_UNSIGNED_BYTE -#endif -#if 1 +#elif COMBO == 1 static GLenum ReadFormat = GL_RGBA; static GLenum ReadType = GL_UNSIGNED_BYTE; -#endif -#if 0 +#elif COMBO == 2 static GLenum ReadFormat = GL_RGB; static GLenum ReadType = GL_UNSIGNED_BYTE; -#endif -#if 0 +#elif COMBO == 3 static GLenum ReadFormat = GL_RGB; static GLenum ReadType = GL_UNSIGNED_SHORT_5_6_5; -#endif -#if 0 +#elif COMBO == 4 static GLenum ReadFormat = GL_RGBA; static GLenum ReadType = GL_UNSIGNED_SHORT_1_5_5_5_REV; -#endif -#if 0 +#elif COMBO == 5 static GLenum ReadFormat = GL_BGRA; static GLenum ReadType = GL_UNSIGNED_SHORT_5_5_5_1; -#endif -#if 0 +#elif COMBO == 6 static GLenum ReadFormat = GL_BGRA; static GLenum ReadType = GL_UNSIGNED_SHORT_4_4_4_4_REV; +#elif COMBO == 7 +static GLenum ReadFormat = GL_RGBA; +static GLenum ReadType = GL_HALF_FLOAT_ARB; +#undef GL_OES_read_format #endif @@ -313,8 +312,10 @@ Init( GLboolean ciMode ) Reset(); - /* allocate an extra 1KB in case we're tinkering with pack alignment */ - TempImage = (GLubyte *) malloc(ImgWidth * ImgHeight * 4 * sizeof(GLubyte) + /* allocate large TempImage to store and image data type, plus an + * extra 1KB in case we're tinkering with pack alignment. + */ + TempImage = (GLubyte *) malloc(ImgWidth * ImgHeight * 4 * 4 + 1000); assert(TempImage); } |