v3d: Avoid duplicating limits defines between gallium and v3d core.

We don't want to pull the compiler into every include in the gallium
driver, so just make a new little header to store the limits.

src/broadcom/Makefile.sources

@@ -21,6 +21,7 @@ BROADCOM_FILES = \
 	common/v3d_debug.c \
 	common/v3d_debug.h \
 	common/v3d_device_info.h \
+	common/v3d_limits.h \
 	common/v3d_macros.h \
 	compiler/nir_to_vir.c \
 	compiler/vir.c \

src/broadcom/common/v3d_limits.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright © 2019 Broadcom
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef V3D_LIMITS_H
+#define V3D_LIMITS_H
+
+#define V3D_MAX_FS_INPUTS 64
+#define V3D_MAX_VS_INPUTS 64
+
+/* Not specifically a hardware limit, just coordination between compiler and
+ * driver.
+ */
+#define V3D_MAX_TEXTURE_SAMPLERS 32
+
+#define V3D_MAX_MIP_LEVELS 12
+
+#define V3D_MAX_SAMPLES 4
+
+#define V3D_MAX_DRAW_BUFFERS 4
+
+#endif /* V3D_LIMITS_H */

src/broadcom/compiler/v3d_compiler.h

@@ -34,6 +34,7 @@
 #include "util/macros.h"
 #include "common/v3d_debug.h"
 #include "common/v3d_device_info.h"
+#include "common/v3d_limits.h"
 #include "compiler/nir/nir.h"
 #include "util/list.h"
 #include "util/u_math.h"
@@ -41,11 +42,6 @@
 #include "qpu/qpu_instr.h"
 #include "pipe/p_state.h"
 
-#define V3D_MAX_TEXTURE_SAMPLERS 32
-#define V3D_MAX_SAMPLES 4
-#define V3D_MAX_FS_INPUTS 64
-#define V3D_MAX_VS_INPUTS 64
-
 struct nir_builder;
 
 struct v3d_fs_inputs {