diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/texgetimage.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c index 97d10122541..26c2ff98ba1 100644 --- a/src/mesa/main/texgetimage.c +++ b/src/mesa/main/texgetimage.c @@ -233,6 +233,7 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions, const GLint width = texImage->Width; const GLint height = texImage->Height; const GLint depth = texImage->Depth; + const GLenum dataType = _mesa_get_format_datatype(texImage->TexFormat); /* Normally, no pixel transfer ops are performed during glGetTexImage. * The only possible exception is component clamping to [0,1]. */ @@ -248,6 +249,19 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions, return; } + /* Clamping does not apply to GetTexImage (final conversion)? + * Looks like we need clamp though when going from format + * containing negative values to unsigned format. + */ + if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) { + transferOps |= IMAGE_CLAMP_BIT; + } + else if (!type_with_negative_values(type) && + (dataType == GL_FLOAT || + dataType == GL_SIGNED_NORMALIZED)) { + transferOps |= IMAGE_CLAMP_BIT; + } + /* glGetTexImage always returns sRGB data for sRGB textures. Make sure the * fetch functions return sRGB data without linearizing it. */ @@ -262,20 +276,6 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions, width, height, format, type, img, row, 0); GLint col; - GLenum dataType = _mesa_get_format_datatype(texImage->TexFormat); - - /* clamp does not apply to GetTexImage (final conversion)? - * Looks like we need clamp though when going from format - * containing negative values to unsigned format. - */ - if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) { - transferOps |= IMAGE_CLAMP_BIT; - } - else if (!type_with_negative_values(type) && - (dataType == GL_FLOAT || - dataType == GL_SIGNED_NORMALIZED)) { - transferOps |= IMAGE_CLAMP_BIT; - } for (col = 0; col < width; col++) { texImage->FetchTexelf(texImage, col, row, img, rgba[col]); |