_mesa_update_clamp_fragment_color(struct gl_context *ctx,
const struct gl_framebuffer *drawFb)
{
+ GLboolean clamp;
+
/* Don't clamp if:
* - there is no colorbuffer
* - all colorbuffers are unsigned normalized, so clamping has no effect
*/
if (!drawFb || !drawFb->_HasSNormOrFloatColorBuffer ||
drawFb->_IntegerBuffers)
- ctx->Color._ClampFragmentColor = GL_FALSE;
+ clamp = GL_FALSE;
else
- ctx->Color._ClampFragmentColor =
- _mesa_get_clamp_fragment_color(ctx, drawFb);
+ clamp = _mesa_get_clamp_fragment_color(ctx, drawFb);
+
+ if (ctx->Color._ClampFragmentColor == clamp)
+ return;
+
+ ctx->NewDriverState |= ctx->DriverFlags.NewFragClamp;
+ ctx->Color._ClampFragmentColor = clamp;
}
/**