intel: Add extern "C" declarations to headers

These declarations are necessary to allow C++ code to call C code
without causing unresolved symbols (which would make the driver fail
to load).

Reviewed-by: Chad Versace <[email protected]>

5 files changed, 39 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 47f56e21f5d..141fb658d71 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -37,6 +37,9 @@
 #include "brw_structs.h"
 #include "main/imports.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 /* Glossary:
  *
@@ -1188,4 +1191,8 @@ brw_program_reloc(struct brw_context *brw, uint32_t state_offset,
 
 bool brw_do_cubemap_normalize(struct exec_list *instructions);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h
index c4c62b2bf4a..675b50a1456 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -38,6 +38,10 @@
 #include "brw_defines.h"
 #include "program/prog_instruction.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define BRW_SWIZZLE4(a,b,c,d) (((a)<<0) | ((b)<<2) | ((c)<<4) | ((d)<<6))
 #define BRW_GET_SWZ(swz, idx) (((swz) >> ((idx)*2)) & 0x3)
 
@@ -1107,4 +1111,8 @@ void brw_optimize(struct brw_compile *p);
 void brw_remove_duplicate_mrf_moves(struct brw_compile *p);
 void brw_remove_grf_to_mrf_moves(struct brw_compile *p);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h
index 8a0e92fab08..659cb0a2898 100644
--- a/src/mesa/drivers/dri/i965/brw_state.h
+++ b/src/mesa/drivers/dri/i965/brw_state.h
@@ -35,6 +35,10 @@
 
 #include "brw_context.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern const struct brw_tracked_state brw_blend_constant_color;
 extern const struct brw_tracked_state brw_cc_vp;
 extern const struct brw_tracked_state brw_cc_unit;
@@ -208,4 +212,8 @@ uint32_t
 get_attr_override(struct brw_vue_map *vue_map, int urb_entry_read_offset,
                   int fs_attr, bool two_side_color);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
diff --git a/src/mesa/drivers/dri/i965/gen6_hiz.h b/src/mesa/drivers/dri/i965/gen6_hiz.h
index 0a13ba076ac..5d6eefc2d64 100644
--- a/src/mesa/drivers/dri/i965/gen6_hiz.h
+++ b/src/mesa/drivers/dri/i965/gen6_hiz.h
@@ -25,6 +25,10 @@
 
 #include <stdint.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct intel_context;
 struct intel_mipmap_tree;
 
@@ -77,3 +81,7 @@ gen6_resolve_depth_slice(struct intel_context *intel,
                          struct intel_mipmap_tree *mt,
                          uint32_t level,
                          uint32_t layer);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/mesa/drivers/dri/i965/gen7_hiz.h b/src/mesa/drivers/dri/i965/gen7_hiz.h
index b89ffb00711..6c0fc84eca1 100644
--- a/src/mesa/drivers/dri/i965/gen7_hiz.h
+++ b/src/mesa/drivers/dri/i965/gen7_hiz.h
@@ -25,6 +25,10 @@
 
 #include <stdint.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct intel_context;
 struct intel_mipmap_tree;
 
@@ -41,3 +45,7 @@ gen7_resolve_depth_slice(struct intel_context *intel,
                          struct intel_mipmap_tree *mt,
                          uint32_t level,
                          uint32_t layer);
+
+#ifdef __cplusplus
+}
+#endif