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-rw-r--r--src/mesa/drivers/dri/i965/brw_blorp.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c b/src/mesa/drivers/dri/i965/brw_blorp.c
index 835dbd2af36..2bfeb80668b 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp.c
+++ b/src/mesa/drivers/dri/i965/brw_blorp.c
@@ -601,6 +601,14 @@ try_blorp_blit(struct brw_context *brw,
return true;
}
+static void
+apply_y_flip(int *y0, int *y1, int height)
+{
+ int tmp = height - *y0;
+ *y0 = height - *y1;
+ *y1 = tmp;
+}
+
bool
brw_blorp_copytexsubimage(struct brw_context *brw,
struct gl_renderbuffer *src_rb,
@@ -672,13 +680,9 @@ brw_blorp_copytexsubimage(struct brw_context *brw,
/* Account for the fact that in the system framebuffer, the origin is at
* the lower left.
*/
- bool mirror_y = false;
- if (_mesa_is_winsys_fbo(ctx->ReadBuffer)) {
- GLint tmp = src_rb->Height - srcY0;
- srcY0 = src_rb->Height - srcY1;
- srcY1 = tmp;
- mirror_y = true;
- }
+ bool mirror_y = _mesa_is_winsys_fbo(ctx->ReadBuffer);
+ if (mirror_y)
+ apply_y_flip(&srcY0, &srcY1, src_rb->Height);
/* Account for face selection and texture view MinLayer */
int dst_slice = slice + dst_image->TexObject->MinLayer + dst_image->Face;