i965: Resolve GCC sign-compare warning.

mesa/src/mesa/drivers/dri/i965/brw_wm_state.c: In function 'brw_color_buffer_write_enabled':
mesa/src/mesa/drivers/dri/i965/brw_wm_state.c:53:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) {
                  ^

Signed-off-by: Rhys Kidd <rhyskidd@gmail.com>
Reviewed-by: Thomas Helland <thomashelland90@gmail.com>

diff --git a/src/mesa/drivers/dri/i965/brw_wm_state.c b/src/mesa/drivers/dri/i965/brw_wm_state.c
index 0cd439046b38796902fac3fa530514a4bda8126c..cd0b56ba60c1a1a2a1007f9019f02c0cd85acd9c 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_wm_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_state.c
@@ -47,7 +47,7 @@ brw_color_buffer_write_enabled(struct brw_context *brw)
    struct gl_context *ctx = &brw->ctx;
    /* BRW_NEW_FRAGMENT_PROGRAM */
    const struct gl_fragment_program *fp = brw->fragment_program;
-   int i;
+   unsigned i;
 
    /* _NEW_BUFFERS */
    for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) {