diff options
| -rw-r--r-- | src/mesa/main/readpix.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c index 9166a50c22e..cba9db87d86 100644 --- a/src/mesa/main/readpix.c +++ b/src/mesa/main/readpix.c @@ -421,7 +421,7 @@ read_rgba_pixels( struct gl_context *ctx, const struct gl_pixelstore_attrib *packing ) { GLbitfield transferOps; - bool dst_is_integer, dst_is_luminance, needs_rebase; + bool dst_is_integer, convert_rgb_to_lum, needs_rebase; int dst_stride, src_stride, rb_stride; uint32_t dst_format, src_format; GLubyte *dst, *map; @@ -442,10 +442,7 @@ read_rgba_pixels( struct gl_context *ctx, dst_is_integer = _mesa_is_enum_format_integer(format); dst_stride = _mesa_image_row_stride(packing, width, format, type); dst_format = _mesa_format_from_format_and_type(format, type); - dst_is_luminance = format == GL_LUMINANCE || - format == GL_LUMINANCE_ALPHA || - format == GL_LUMINANCE_INTEGER_EXT || - format == GL_LUMINANCE_ALPHA_INTEGER_EXT; + convert_rgb_to_lum = need_rgb_to_luminance_conversion(rb->Format, format); dst = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height, format, type, 0, 0); @@ -493,7 +490,7 @@ read_rgba_pixels( struct gl_context *ctx, */ assert(!transferOps || (transferOps && !dst_is_integer)); - needs_rgba = transferOps || dst_is_luminance; + needs_rgba = transferOps || convert_rgb_to_lum; rgba = NULL; if (needs_rgba) { uint32_t rgba_format; @@ -566,7 +563,7 @@ read_rgba_pixels( struct gl_context *ctx, * If the dst format is Luminance, we need to do the conversion by computing * L=R+G+B values. */ - if (!dst_is_luminance) { + if (!convert_rgb_to_lum) { _mesa_format_convert(dst, dst_format, dst_stride, src, src_format, src_stride, width, height, |