Cleanup: quiet undeclared variable warning

Also move view_ubo into G_draw.

source/blender/draw/engines/eevee/eevee_engine.c

@@ -31,6 +31,8 @@
 
 #include "eevee_private.h"
 
+#include "eevee_engine.h"  /* own include */
+
 #define EEVEE_ENGINE "BLENDER_EEVEE"
 
 /* *********** FUNCTIONS *********** */

source/blender/draw/engines/external/external_engine.c

@@ -28,13 +28,14 @@
 #include "DNA_screen_types.h"
 #include "DNA_view3d_types.h"
 
-
 #include "ED_screen.h"
 
 #include "GPU_matrix.h"
 #include "GPU_shader.h"
 #include "GPU_viewport.h"
 
+#include "external_engine.h"  /* own include */
+
 /* Shaders */
 
 #define EXTERNAL_ENGINE "BLENDER_EXTERNAL"
@@ -197,7 +198,7 @@ static void external_engine_free(void)
 
 static const DrawEngineDataSize external_data_size = DRW_VIEWPORT_DATA_SIZE(EXTERNAL_Data);
 
-DrawEngineType draw_engine_external_type = {
+static DrawEngineType draw_engine_external_type = {
 	NULL, NULL,
 	N_("External"),
 	&external_data_size,

source/blender/draw/intern/draw_anim_viz.c

@@ -47,6 +47,8 @@
 #include "draw_common.h"
 #include "draw_manager_text.h"
 
+#include "draw_mode_engines.h"
+
 /* ********************************* Lists ************************************** */
 /* All lists are per viewport specific datas.
  * They are all free when viewport changes engines

source/blender/draw/intern/draw_common.h

@@ -212,6 +212,8 @@ struct DRW_Global {
 
 	struct GPUTexture *ramp;
 	struct GPUTexture *weight_ramp;
+
+	struct GPUUniformBuffer *view_ubo;
 };
 extern struct DRW_Global G_draw;
 

source/blender/draw/intern/draw_manager.c

@@ -96,8 +96,6 @@ DRWManager DST = {NULL};
 
 static ListBase DRW_engines = {NULL, NULL};
 
-extern struct GPUUniformBuffer *view_ubo; /* draw_manager_exec.c */
-
 static void drw_state_prepare_clean_for_draw(DRWManager *dst)
 {
 	memset(dst, 0x0, offsetof(DRWManager, gl_context));
@@ -647,8 +645,8 @@ static void drw_viewport_var_init(void)
 		DST.RST.bound_ubo_slots = MEM_callocN(sizeof(char) * GPU_max_ubo_binds(), "Bound Ubo Slots");
 	}
 
-	if (view_ubo == NULL) {
-		view_ubo = DRW_uniformbuffer_create(sizeof(ViewUboStorage), NULL);
+	if (G_draw.view_ubo == NULL) {
+		G_draw.view_ubo = DRW_uniformbuffer_create(sizeof(ViewUboStorage), NULL);
 	}
 
 	DST.override_mat = 0;
@@ -2572,7 +2570,6 @@ void DRW_engines_register(void)
 	}
 }
 
-extern struct GPUVertFormat *g_pos_format; /* draw_shgroup.c */
 void DRW_engines_free(void)
 {
 	DRW_opengl_context_enable();
@@ -2596,7 +2593,7 @@ void DRW_engines_free(void)
 	}
 
 	DRW_UBO_FREE_SAFE(G_draw.block_ubo);
-	DRW_UBO_FREE_SAFE(view_ubo);
+	DRW_UBO_FREE_SAFE(G_draw.view_ubo);
 	DRW_TEXTURE_FREE_SAFE(G_draw.ramp);
 	DRW_TEXTURE_FREE_SAFE(G_draw.weight_ramp);
 	MEM_SAFE_FREE(g_pos_format);

source/blender/draw/intern/draw_manager.h

@@ -427,4 +427,6 @@ void drw_debug_init(void);
 
 void drw_batch_cache_generate_requested(struct Object *ob);
 
+extern struct GPUVertFormat *g_pos_format;
+
 #endif /* __DRAW_MANAGER_H__ */

source/blender/draw/intern/draw_manager_data.c

@@ -41,8 +41,6 @@
 
 struct GPUVertFormat *g_pos_format = NULL;
 
-extern struct GPUUniformBuffer *view_ubo; /* draw_manager_exec.c */
-
 /* -------------------------------------------------------------------- */
 /** \name Uniform Buffer Object (DRW_uniformbuffer)
  * \{ */
@@ -670,7 +668,7 @@ static void drw_shgroup_init(DRWShadingGroup *shgroup, GPUShader *shader)
 	int view_ubo_location = GPU_shader_get_uniform_block(shader, "viewBlock");
 
 	if (view_ubo_location != -1) {
-		drw_shgroup_uniform_create_ex(shgroup, view_ubo_location, DRW_UNIFORM_BLOCK_PERSIST, view_ubo, 0, 1);
+		drw_shgroup_uniform_create_ex(shgroup, view_ubo_location, DRW_UNIFORM_BLOCK_PERSIST, G_draw.view_ubo, 0, 1);
 	}
 	else {
 		/* Only here to support builtin shaders. This should not be used by engines. */

source/blender/draw/intern/draw_manager_exec.c

@@ -45,8 +45,6 @@ void DRW_select_load_id(uint id)
 
 #define DEBUG_UBO_BINDING
 
-struct GPUUniformBuffer *view_ubo;
-
 /* -------------------------------------------------------------------- */
 /** \name Draw State (DRW_state)
  * \{ */
@@ -1294,7 +1292,7 @@ static void drw_update_view(void)
 		DST.state_cache_id++;
 		DST.dirty_mat = false;
 
-		DRW_uniformbuffer_update(view_ubo, &DST.view_data);
+		DRW_uniformbuffer_update(G_draw.view_ubo, &DST.view_data);
 
 		/* Catch integer wrap around. */
 		if (UNLIKELY(DST.state_cache_id == 0)) {

source/blender/draw/modes/edit_armature_mode.c

@@ -27,6 +27,7 @@
 #include "DNA_view3d_types.h"
 
 #include "draw_common.h"
+#include "draw_mode_engines.h"
 
 /* *********** LISTS *********** */
 typedef struct EDIT_ARMATURE_PassList {

source/blender/draw/modes/edit_curve_mode.c

@@ -32,7 +32,7 @@
 #include "GPU_shader.h"
 
 #include "draw_common.h"
-
+#include "draw_mode_engines.h"
 
 /* If needed, contains all global/Theme colors
  * Add needed theme colors / values to DRW_globals_update() and update UBO

source/blender/draw/modes/edit_lattice_mode.c

@@ -29,6 +29,7 @@
 #include "GPU_shader.h"
 
 #include "draw_common.h"
+#include "draw_mode_engines.h"
 
 extern char datatoc_common_globals_lib_glsl[];
 

source/blender/draw/modes/edit_metaball_mode.c

@@ -32,7 +32,7 @@
 #include "GPU_shader.h"
 
 #include "draw_common.h"
-
+#include "draw_mode_engines.h"
 
 /* *********** LISTS *********** */
 /* All lists are per viewport specific datas.

source/blender/draw/modes/edit_text_mode.c

@@ -33,6 +33,7 @@
 #include "GPU_shader.h"
 
 #include "draw_common.h"
+#include "draw_mode_engines.h"
 
 /* *********** LISTS *********** */
 /* All lists are per viewport specific datas.

source/blender/draw/modes/overlay_mode.c

@@ -34,6 +34,8 @@
 #include "GPU_shader.h"
 #include "DRW_render.h"
 
+#include "draw_mode_engines.h"
+
 #ifdef __APPLE__
 #define USE_GEOM_SHADER_WORKAROUND 1
 #else

source/blender/draw/modes/paint_texture_mode.c

@@ -32,7 +32,7 @@
 #include "GPU_texture.h"
 
 #include "draw_common.h"
-
+#include "draw_mode_engines.h"
 
 #include "DNA_mesh_types.h"
 

source/blender/draw/modes/paint_vertex_mode.c

@@ -26,6 +26,7 @@
 #include "GPU_shader.h"
 
 #include "draw_common.h"
+#include "draw_mode_engines.h"
 
 #include "DNA_mesh_types.h"
 #include "DNA_view3d_types.h"

source/blender/draw/modes/particle_mode.c

@@ -30,6 +30,7 @@
 #include "GPU_shader.h"
 
 #include "draw_common.h"
+#include "draw_mode_engines.h"
 
 #include "ED_particle.h"
 

source/blender/draw/modes/pose_mode.c

@@ -31,6 +31,7 @@
 #include "GPU_shader.h"
 
 #include "draw_common.h"
+#include "draw_mode_engines.h"
 
 /* *********** LISTS *********** */
 /* All lists are per viewport specific datas.

source/blender/draw/modes/sculpt_mode.c

@@ -35,6 +35,7 @@
 #include "GPU_shader.h"
 
 #include "draw_common.h"
+#include "draw_mode_engines.h"
 
 extern char datatoc_sculpt_mask_vert_glsl[];
 extern char datatoc_gpu_shader_3D_smooth_color_frag_glsl[];