Signed-off-by: Jordan Justen <jordan.l.jus...@intel.com>
---
src/mesa/main/readpix.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c
index 784aaad..4fa816f 100644
--- a/src/mesa/main/readpix.c
+++ b/src/mesa/main/readpix.c
@@ -321,6 +321,8 @@ slow_read_rgba_pixels( struct gl_context *ctx,
void *rgba;
GLubyte *dst, *map;
int dstStride, stride, j;
+ GLboolean is_integer = _mesa_is_enum_format_integer(format);
+ GLboolean is_unsiged_integer = _mesa_is_format_unsigned(rbFormat);
dstStride = _mesa_image_row_stride(packing, width, format, type);
dst = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height,
@@ -338,12 +340,17 @@ slow_read_rgba_pixels( struct gl_context *ctx,
goto done;
for (j = 0; j < height; j++) {
- if (_mesa_is_enum_format_integer(format)) {
+ if (is_integer) {
_mesa_unpack_uint_rgba_row(rbFormat, width, map, (GLuint (*)[4]) rgba);
_mesa_rebase_rgba_uint(width, (GLuint (*)[4]) rgba,
rb->_BaseFormat);
- _mesa_pack_rgba_span_from_uints(ctx, width, (GLuint (*)[4]) rgba,
format,
- type, dst);
+ if (is_unsiged_integer) {
+ _mesa_pack_rgba_span_from_uints(ctx, width, (GLuint (*)[4]) rgba,
format,
+ type, dst);
+ } else {
+ _mesa_pack_rgba_span_from_ints(ctx, width, (GLint (*)[4]) rgba,
format,
+ type, dst);
+ }
} else {
_mesa_unpack_rgba_row(rbFormat, width, map, (GLfloat (*)[4]) rgba);
_mesa_rebase_rgba_float(width, (GLfloat (*)[4]) rgba,
--
1.7.9.5
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