Cleanup: make remaining gpu headers work in C++

source/blender/gpu/GPU_attr_binding.h

@@ -28,6 +28,10 @@
 
 #include "GPU_common.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct GPUAttrBinding {
   /** Store 4 bits for each of the 16 attributes. */
   uint64_t loc_bits;
@@ -35,4 +39,8 @@ typedef struct GPUAttrBinding {
   uint16_t enabled_bits;
 } GPUAttrBinding;
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_ATTR_BINDING_H__ */

source/blender/gpu/GPU_batch.h

@@ -32,6 +32,10 @@
 #include "GPU_shader_interface.h"
 #include "GPU_shader.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef enum {
   GPU_BATCH_UNUSED,
   GPU_BATCH_READY_TO_FORMAT,
@@ -241,4 +245,8 @@ void gpu_batch_exit(void);
     } \
   } while (0)
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_BATCH_H__ */

source/blender/gpu/GPU_batch_presets.h

@@ -30,6 +30,10 @@
 #include "BLI_compiler_attrs.h"
 #include "BLI_sys_types.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* gpu_batch_presets.c */
 
 /* Replacement for gluSphere */
@@ -42,4 +46,8 @@ bool gpu_batch_presets_unregister(struct GPUBatch *preset_batch);
 void gpu_batch_presets_reset(void);
 void gpu_batch_presets_exit(void);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_BATCH_PRESETS_H__ */

source/blender/gpu/GPU_batch_utils.h

@@ -21,11 +21,15 @@
 #ifndef __GPU_BATCH_UTILS_H__
 #define __GPU_BATCH_UTILS_H__
 
-struct rctf;
-
 #include "BLI_compiler_attrs.h"
 #include "BLI_sys_types.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct rctf;
+
 /* gpu_batch_utils.c */
 struct GPUBatch *GPU_batch_tris_from_poly_2d_encoded(
     const uchar *polys_flat, uint polys_flat_len, const struct rctf *rect) ATTR_WARN_UNUSED_RESULT
@@ -37,4 +41,8 @@ struct GPUBatch *GPU_batch_wire_from_poly_2d_encoded(
 /* Only use by draw manager. Use the presets function instead for interface. */
 struct GPUBatch *gpu_batch_sphere(int lat_res, int lon_res) ATTR_WARN_UNUSED_RESULT;
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_BATCH_UTILS_H__ */

source/blender/gpu/GPU_buffers.h

@@ -26,6 +26,10 @@
 
 #include <stddef.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct BMesh;
 struct CCGElem;
 struct CCGKey;
@@ -106,4 +110,8 @@ short GPU_pbvh_buffers_material_index_get(GPU_PBVH_Buffers *buffers);
 
 bool GPU_pbvh_buffers_has_mask(GPU_PBVH_Buffers *buffers);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif

source/blender/gpu/GPU_element.h

@@ -28,6 +28,10 @@
 
 #include "GPU_primitive.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define GPU_TRACK_INDEX_RANGE 1
 
 typedef enum {
@@ -109,4 +113,8 @@ int GPU_indexbuf_primitive_len(GPUPrimType prim_type);
     } \
   } while (0)
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_ELEMENT_H__ */

source/blender/gpu/GPU_immediate.h

@@ -33,6 +33,10 @@
 #include "GPU_immediate_util.h"
 #include "GPU_shader.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** Returns a cleared vertex format, ready for #add_attr. */
 GPUVertFormat *immVertexFormat(void);
 
@@ -146,4 +150,8 @@ void immActivate(void);
 void immDeactivate(void);
 void immDestroy(void);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_IMMEDIATE_H__ */

source/blender/gpu/GPU_immediate_util.h

@@ -23,6 +23,10 @@
 #ifndef __GPU_IMMEDIATE_UTIL_H__
 #define __GPU_IMMEDIATE_UTIL_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Draw 2D rectangles (replaces glRect functions) */
 /* caller is responsible for vertex format & shader */
 void immRectf(uint pos, float x1, float y1, float x2, float y2);
@@ -78,4 +82,8 @@ void imm_draw_cylinder_wire_3d(
 void imm_draw_cylinder_fill_3d(
     uint pos, float base, float top, float height, int slices, int stacks);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_IMMEDIATE_UTIL_H__ */

source/blender/gpu/GPU_primitive.h

@@ -28,6 +28,10 @@
 
 #include "GPU_common.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef enum {
   GPU_PRIM_POINTS,
   GPU_PRIM_LINES,
@@ -56,4 +60,8 @@ typedef enum {
 GPUPrimClass GPU_primtype_class(GPUPrimType);
 bool GPU_primtype_belongs_to_class(GPUPrimType, GPUPrimClass);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_PRIMITIVE_H__ */

source/blender/gpu/GPU_select.h

@@ -26,6 +26,10 @@
 
 #include "BLI_sys_types.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct rcti;
 
 /* flags for mode of operation */
@@ -55,4 +59,8 @@ void GPU_select_cache_end(void);
 const uint *GPU_select_buffer_near(const uint *buffer, int hits);
 void GPU_select_buffer_stride_realign(const struct rcti *src, const struct rcti *dst, uint *r_buf);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif

source/blender/gpu/GPU_shader_interface.h

@@ -28,6 +28,10 @@
 
 #include "GPU_common.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef enum {
   GPU_UNIFORM_NONE = 0, /* uninitialized/unknown */
 
@@ -100,4 +104,8 @@ const GPUShaderInput *GPU_shaderinterface_attr(const GPUShaderInterface *, const
 void GPU_shaderinterface_add_batch_ref(GPUShaderInterface *, struct GPUBatch *);
 void GPU_shaderinterface_remove_batch_ref(GPUShaderInterface *, struct GPUBatch *);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_SHADER_INTERFACE_H__ */

source/blender/gpu/GPU_state.h

@@ -21,6 +21,10 @@
 #ifndef __GPU_STATE_H__
 #define __GPU_STATE_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* These map directly to the GL_ blend functions, to minimize API add as needed*/
 typedef enum eGPUBlendFunction {
   GPU_ONE,
@@ -61,4 +65,8 @@ void GPU_finish(void);
 
 void GPU_logic_op_invert_set(bool enable);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_STATE_H__ */

source/blender/gpu/GPU_uniformbuffer.h

@@ -24,6 +24,10 @@
 #ifndef __GPU_UNIFORMBUFFER_H__
 #define __GPU_UNIFORMBUFFER_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct ListBase;
 
 typedef struct GPUUniformBuffer GPUUniformBuffer;
@@ -46,4 +50,8 @@ bool GPU_uniformbuffer_is_dirty(GPUUniformBuffer *ubo);
 
 #define GPU_UBO_BLOCK_NAME "nodeTree"
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_UNIFORMBUFFER_H__ */

source/blender/gpu/GPU_vertex_buffer.h

@@ -28,6 +28,10 @@
 
 #include "GPU_vertex_format.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define VRAM_USAGE 1
 /**
  * How to create a #GPUVertBuf:
@@ -138,4 +142,8 @@ uint GPU_vertbuf_get_memory_usage(void);
     } \
   } while (0)
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_VERTEX_BUFFER_H__ */

source/blender/gpu/GPU_vertex_format.h

@@ -30,6 +30,10 @@
 #include "BLI_compiler_compat.h"
 #include "BLI_assert.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define GPU_VERT_ATTR_MAX_LEN 16
 #define GPU_VERT_ATTR_MAX_NAMES 6
 #define GPU_VERT_ATTR_NAMES_BUF_LEN 256
@@ -185,4 +189,8 @@ BLI_INLINE GPUPackedNormal GPU_normal_convert_i10_s3(const short data[3])
   return n;
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GPU_VERTEX_FORMAT_H__ */

source/blender/gpu/GPU_viewport.h

@@ -31,6 +31,10 @@
 #include "GPU_framebuffer.h"
 #include "GPU_texture.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define GPU_INFO_SIZE 512 /* IMA_MAX_RENDER_TEXT */
 #define GLA_PIXEL_OFS 0.375f
 
@@ -137,4 +141,8 @@ GPUTexture *GPU_viewport_texture_pool_query(
 bool GPU_viewport_engines_data_validate(GPUViewport *viewport, void **engine_handle_array);
 void GPU_viewport_cache_release(GPUViewport *viewport);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  // __GPU_VIEWPORT_H__