From 7fb41df2cbae4cf35d0f73c2261a9409a1367903 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Fri, 30 Oct 2009 14:09:09 +0800 Subject: mesa/main: linear_to_nonlinear is not always available. Signed-off-by: Chia-I Wu --- src/mesa/main/texgetimage.c | 62 +++++++++++++++++++++++++++------------------ 1 file changed, 38 insertions(+), 24 deletions(-) (limited to 'src/mesa/main/texgetimage.c') diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c index 2f88718933..4b0915b3b2 100644 --- a/src/mesa/main/texgetimage.c +++ b/src/mesa/main/texgetimage.c @@ -42,30 +42,6 @@ -#if FEATURE_EXT_texture_sRGB - -/** - * Convert a float value from linear space to a - * non-linear sRGB value in [0, 255]. - * Not terribly efficient. - */ -static INLINE GLfloat -linear_to_nonlinear(GLfloat cl) -{ - /* can't have values outside [0, 1] */ - GLfloat cs; - if (cl < 0.0031308f) { - cs = 12.92f * cl; - } - else { - cs = (GLfloat)(1.055 * _mesa_pow(cl, 0.41666) - 0.055); - } - return cs; -} - -#endif /* FEATURE_EXT_texture_sRGB */ - - /** * Can the given type represent negative values? */ @@ -233,6 +209,29 @@ get_tex_ycbcr(GLcontext *ctx, GLuint dimensions, } +#if FEATURE_EXT_texture_sRGB + + +/** + * Convert a float value from linear space to a + * non-linear sRGB value in [0, 255]. + * Not terribly efficient. + */ +static INLINE GLfloat +linear_to_nonlinear(GLfloat cl) +{ + /* can't have values outside [0, 1] */ + GLfloat cs; + if (cl < 0.0031308f) { + cs = 12.92f * cl; + } + else { + cs = (GLfloat)(1.055 * _mesa_pow(cl, 0.41666) - 0.055); + } + return cs; +} + + /** * glGetTexImagefor sRGB pixels; */ @@ -284,6 +283,21 @@ get_tex_srgb(GLcontext *ctx, GLuint dimensions, } +#else /* FEATURE_EXT_texture_sRGB */ + + +static INLINE void +get_tex_srgb(GLcontext *ctx, GLuint dimensions, + GLenum format, GLenum type, GLvoid *pixels, + const struct gl_texture_image *texImage) +{ + ASSERT_NO_FEATURE(); +} + + +#endif /* FEATURE_EXT_texture_sRGB */ + + /** * glGetTexImagefor RGBA, Luminance, etc. pixels. * This is the slow way since we use texture sampling. -- cgit v1.2.3