Cleanup: Nuke most of G.main from GPU code.

12 files changed, 69 insertions, 60 deletions

diff --git a/source/blender/editors/sculpt_paint/paint_image.c b/source/blender/editors/sculpt_paint/paint_image.c
index cee7801a9cb..2ada62b028b 100644
--- a/source/blender/editors/sculpt_paint/paint_image.c
+++ b/source/blender/editors/sculpt_paint/paint_image.c
@@ -1024,6 +1024,7 @@ static int texture_paint_toggle_poll(bContext *C)
 
 static int texture_paint_toggle_exec(bContext *C, wmOperator *op)
 {
+	Main *bmain = CTX_data_main(C);
 	Scene *scene = CTX_data_scene(C);
 	Object *ob = CTX_data_active_object(C);
 	const int mode_flag = OB_MODE_TEXTURE_PAINT;
@@ -1039,14 +1040,13 @@ static int texture_paint_toggle_exec(bContext *C, wmOperator *op)
 		ob->mode &= ~mode_flag;
 
 		if (U.glreslimit != 0)
-			GPU_free_images();
-		GPU_paint_set_mipmap(1);
+			GPU_free_images(bmain);
+		GPU_paint_set_mipmap(bmain, 1);
 
 		toggle_paint_cursor(C, 0);
 	}
 	else {
 		bScreen *sc;
-		Main *bmain = CTX_data_main(C);
 		Image *ima = NULL;
 		ImagePaintSettings *imapaint = &scene->toolsettings->imapaint;
 
@@ -1089,8 +1089,8 @@ static int texture_paint_toggle_exec(bContext *C, wmOperator *op)
 		BKE_paint_init(bmain, scene, ePaintTextureProjective, PAINT_CURSOR_TEXTURE_PAINT);
 
 		if (U.glreslimit != 0)
-			GPU_free_images();
-		GPU_paint_set_mipmap(0);
+			GPU_free_images(bmain);
+		GPU_paint_set_mipmap(bmain, 0);
 
 		toggle_paint_cursor(C, 1);
 	}
diff --git a/source/blender/editors/space_outliner/outliner_edit.c b/source/blender/editors/space_outliner/outliner_edit.c
index 7d5ff560b28..d547b419d48 100644
--- a/source/blender/editors/space_outliner/outliner_edit.c
+++ b/source/blender/editors/space_outliner/outliner_edit.c
@@ -435,7 +435,7 @@ static int outliner_id_remap_exec(bContext *C, wmOperator *op)
 	DAG_scene_relations_rebuild(bmain, scene);
 
 	/* free gpu materials, some materials depend on existing objects, such as lamps so freeing correctly refreshes */
-	GPU_materials_free();
+	GPU_materials_free(bmain);
 
 	WM_event_add_notifier(C, NC_WINDOW, NULL);
 
diff --git a/source/blender/editors/space_view3d/view3d_draw.c b/source/blender/editors/space_view3d/view3d_draw.c
index bf92fcfff33..fbf2bd33638 100644
--- a/source/blender/editors/space_view3d/view3d_draw.c
+++ b/source/blender/editors/space_view3d/view3d_draw.c
@@ -3021,7 +3021,7 @@ static void view3d_draw_objects(
 	}
 
 	if ((v3d->flag2 & V3D_RENDER_SHADOW) == 0) {
-		GPU_free_images_old();
+		GPU_free_images_old(bmain);
 	}
 }
 
@@ -3206,7 +3206,7 @@ void ED_view3d_draw_offscreen(
 	if ((v3d->flag2 & V3D_RENDER_SHADOW) == 0) {
 		/* free images which can have changed on frame-change
 		 * warning! can be slow so only free animated images - campbell */
-		GPU_free_images_anim();
+		GPU_free_images_anim(bmain);
 	}
 
 	/* setup view matrices before fx or unbinding the offscreen buffers will cause issues */
@@ -3260,7 +3260,7 @@ void ED_view3d_draw_offscreen(
 		}
 
 		/* freeing the images again here could be done after the operator runs, leaving for now */
-		GPU_free_images_anim();
+		GPU_free_images_anim(bmain);
 	}
 
 	/* restore size */
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c
index 608580c0a08..0f09d7fefa2 100644
--- a/source/blender/editors/space_view3d/view3d_view.c
+++ b/source/blender/editors/space_view3d/view3d_view.c
@@ -1319,12 +1319,13 @@ void VIEW3D_OT_localview(wmOperatorType *ot)
 static ListBase queue_back;
 static void game_engine_save_state(bContext *C, wmWindow *win)
 {
+	Main *bmain = CTX_data_main(C);
 	Object *obact = CTX_data_active_object(C);
 
 	glPushAttrib(GL_ALL_ATTRIB_BITS);
 
 	if (obact && obact->mode & OB_MODE_TEXTURE_PAINT)
-		GPU_paint_set_mipmap(1);
+		GPU_paint_set_mipmap(bmain, 1);
 
 	queue_back = win->queue;
 
@@ -1333,10 +1334,11 @@ static void game_engine_save_state(bContext *C, wmWindow *win)
 
 static void game_engine_restore_state(bContext *C, wmWindow *win)
 {
+	Main *bmain = CTX_data_main(C);
 	Object *obact = CTX_data_active_object(C);
 
 	if (obact && obact->mode & OB_MODE_TEXTURE_PAINT)
-		GPU_paint_set_mipmap(0);
+		GPU_paint_set_mipmap(bmain, 0);
 
 	/* check because closing win can set to NULL */
 	if (win) {
@@ -1358,7 +1360,7 @@ static void game_set_commmandline_options(GameData *gm)
 	if ((syshandle = SYS_GetSystem())) {
 		/* User defined settings */
 		test = (U.gameflags & USER_DISABLE_MIPMAP);
-		GPU_set_mipmap(!test);
+		GPU_set_mipmap(G_MAIN, !test);
 		SYS_WriteCommandLineInt(syshandle, "nomipmap", test);
 
 		/* File specific settings: */
diff --git a/source/blender/gpu/GPU_draw.h b/source/blender/gpu/GPU_draw.h
index 245a10a38c2..82acca722b6 100644
--- a/source/blender/gpu/GPU_draw.h
+++ b/source/blender/gpu/GPU_draw.h
@@ -113,25 +113,25 @@ void GPU_render_text(
 /* Mipmap settings
  * - these will free textures on changes */
 
-void GPU_set_mipmap(bool mipmap);
+void GPU_set_mipmap(struct Main *bmain, bool mipmap);
 bool GPU_get_mipmap(void);
 void GPU_set_linear_mipmap(bool linear);
 bool GPU_get_linear_mipmap(void);
-void GPU_paint_set_mipmap(bool mipmap);
+void GPU_paint_set_mipmap(struct Main *bmain, bool mipmap);
 
 /* Anisotropic filtering settings
  * - these will free textures on changes */
-void GPU_set_anisotropic(float value);
+void GPU_set_anisotropic(struct Main *bmain, float value);
 float GPU_get_anisotropic(void);
 
 /* enable gpu mipmapping */
-void GPU_set_gpu_mipmapping(int gpu_mipmap);
+void GPU_set_gpu_mipmapping(struct Main *bmain, int gpu_mipmap);
 
 /* Image updates and free
  * - these deal with images bound as opengl textures */
 
 void GPU_paint_update_image(struct Image *ima, struct ImageUser *iuser, int x, int y, int w, int h);
-void GPU_update_images_framechange(void);
+void GPU_update_images_framechange(struct Main *bmain);
 int GPU_update_image_time(struct Image *ima, double time);
 int GPU_verify_image(
         struct Image *ima, struct ImageUser *iuser,
@@ -144,16 +144,16 @@ void GPU_create_gl_tex_compressed(
         int textarget, struct Image *ima, struct ImBuf *ibuf);
 bool GPU_upload_dxt_texture(struct ImBuf *ibuf);
 void GPU_free_image(struct Image *ima);
-void GPU_free_images(void);
-void GPU_free_images_anim(void);
-void GPU_free_images_old(void);
+void GPU_free_images(struct Main *bmain);
+void GPU_free_images_anim(struct Main *bmain);
+void GPU_free_images_old(struct Main *bmain);
 
 /* smoke drawing functions */
 void GPU_free_smoke(struct SmokeModifierData *smd);
 void GPU_create_smoke(struct SmokeModifierData *smd, int highres);
 
 /* Delayed free of OpenGL buffers by main thread */
-void GPU_free_unused_buffers(void);
+void GPU_free_unused_buffers(struct Main *bmain);
 
 #ifdef WITH_OPENSUBDIV
 struct DerivedMesh;
diff --git a/source/blender/gpu/GPU_material.h b/source/blender/gpu/GPU_material.h
index e229afd3323..c94d6429f59 100644
--- a/source/blender/gpu/GPU_material.h
+++ b/source/blender/gpu/GPU_material.h
@@ -43,6 +43,7 @@ extern "C" {
 
 struct Image;
 struct ImageUser;
+struct Main;
 struct Material;
 struct Object;
 struct Image;
@@ -224,7 +225,7 @@ GPUMaterial *GPU_material_from_blender(struct Scene *scene, struct Material *ma,
 GPUMaterial *GPU_material_matcap(struct Scene *scene, struct Material *ma, bool use_opensubdiv);
 void GPU_material_free(struct ListBase *gpumaterial);
 
-void GPU_materials_free(void);
+void GPU_materials_free(struct Main *bmain);
 
 bool GPU_lamp_visible(GPULamp *lamp, struct SceneRenderLayer *srl, struct Material *ma);
 void GPU_material_bind(
diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index 947cd43d27b..022de6c72fe 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -274,7 +274,7 @@ static struct GPUTextureState {
 
 /* Mipmap settings */
 
-void GPU_set_gpu_mipmapping(int gpu_mipmap)
+void GPU_set_gpu_mipmapping(Main *bmain, int gpu_mipmap)
 {
 	int old_value = GTS.gpu_mipmap;
 
@@ -282,7 +282,7 @@ void GPU_set_gpu_mipmapping(int gpu_mipmap)
 	GTS.gpu_mipmap = gpu_mipmap && GLEW_EXT_framebuffer_object;
 
 	if (old_value != GTS.gpu_mipmap) {
-		GPU_free_images();
+		GPU_free_images(bmain);
 	}
 }
 
@@ -309,10 +309,10 @@ static void gpu_generate_mipmap(GLenum target)
 		glDisable(target);
 }
 
-void GPU_set_mipmap(bool mipmap)
+void GPU_set_mipmap(Main *bmain, bool mipmap)
 {
 	if (GTS.domipmap != mipmap) {
-		GPU_free_images();
+		GPU_free_images(bmain);
 		GTS.domipmap = mipmap;
 	}
 }
@@ -360,10 +360,10 @@ static GLenum gpu_get_mipmap_filter(bool mag)
 }
 
 /* Anisotropic filtering settings */
-void GPU_set_anisotropic(float value)
+void GPU_set_anisotropic(Main *bmain, float value)
 {
 	if (GTS.anisotropic != value) {
-		GPU_free_images();
+		GPU_free_images(bmain);
 
 		/* Clamp value to the maximum value the graphics card supports */
 		const float max = GPU_max_texture_anisotropy();
@@ -1152,7 +1152,7 @@ int GPU_set_tpage(MTexPoly *mtexpoly, int mipmap, int alphablend)
  * temporary disabling/enabling mipmapping on all images for quick texture
  * updates with glTexSubImage2D. images that didn't change don't have to be
  * re-uploaded to OpenGL */
-void GPU_paint_set_mipmap(bool mipmap)
+void GPU_paint_set_mipmap(Main *bmain, bool mipmap)
 {
 	if (!GTS.domipmap)
 		return;
@@ -1160,7 +1160,7 @@ void GPU_paint_set_mipmap(bool mipmap)
 	GTS.texpaint = !mipmap;
 
 	if (mipmap) {
-		for (Image *ima = G.main->image.first; ima; ima = ima->id.next) {
+		for (Image *ima = bmain->image.first; ima; ima = ima->id.next) {
 			if (BKE_image_has_bindcode(ima)) {
 				if (ima->tpageflag & IMA_MIPMAP_COMPLETE) {
 					if (ima->bindcode[TEXTARGET_TEXTURE_2D]) {
@@ -1183,7 +1183,7 @@ void GPU_paint_set_mipmap(bool mipmap)
 
 	}
 	else {
-		for (Image *ima = G.main->image.first; ima; ima = ima->id.next) {
+		for (Image *ima = bmain->image.first; ima; ima = ima->id.next) {
 			if (BKE_image_has_bindcode(ima)) {
 				if (ima->bindcode[TEXTARGET_TEXTURE_2D]) {
 					glBindTexture(GL_TEXTURE_2D, ima->bindcode[TEXTARGET_TEXTURE_2D]);
@@ -1355,9 +1355,9 @@ void GPU_paint_update_image(Image *ima, ImageUser *iuser, int x, int y, int w, i
 	BKE_image_release_ibuf(ima, ibuf, NULL);
 }
 
-void GPU_update_images_framechange(void)
+void GPU_update_images_framechange(Main *bmain)
 {
-	for (Image *ima = G.main->image.first; ima; ima = ima->id.next) {
+	for (Image *ima = bmain->image.first; ima; ima = ima->id.next) {
 		if (ima->tpageflag & IMA_TWINANIM) {
 			if (ima->twend >= ima->xrep * ima->yrep)
 				ima->twend = ima->xrep * ima->yrep - 1;
@@ -1480,7 +1480,7 @@ static void gpu_queue_image_for_free(Image *ima)
 	BLI_thread_unlock(LOCK_OPENGL);
 }
 
-void GPU_free_unused_buffers(void)
+void GPU_free_unused_buffers(Main *bmain)
 {
 	if (!BLI_thread_is_main())
 		return;
@@ -1492,7 +1492,7 @@ void GPU_free_unused_buffers(void)
 		Image *ima = node->link;
 
 		/* check in case it was freed in the meantime */
-		if (G.main && BLI_findindex(&G.main->image, ima) != -1)
+		if (bmain && BLI_findindex(&bmain->image, ima) != -1)
 			GPU_free_image(ima);
 	}
 
@@ -1536,24 +1536,29 @@ void GPU_free_image(Image *ima)
 	ima->tpageflag &= ~(IMA_MIPMAP_COMPLETE | IMA_GLBIND_IS_DATA);
 }
 
-void GPU_free_images(void)
+void GPU_free_images(Main *bmain)
 {
-	if (G.main)
-		for (Image *ima = G.main->image.first; ima; ima = ima->id.next)
+	if (bmain) {
+		for (Image *ima = bmain->image.first; ima; ima = ima->id.next) {
 			GPU_free_image(ima);
+		}
+	}
 }
 
 /* same as above but only free animated images */
-void GPU_free_images_anim(void)
+void GPU_free_images_anim(Main *bmain)
 {
-	if (G.main)
-		for (Image *ima = G.main->image.first; ima; ima = ima->id.next)
-			if (BKE_image_is_animated(ima))
+	if (bmain) {
+		for (Image *ima = bmain->image.first; ima; ima = ima->id.next) {
+			if (BKE_image_is_animated(ima)) {
 				GPU_free_image(ima);
+			}
+		}
+	}
 }
 
 
-void GPU_free_images_old(void)
+void GPU_free_images_old(Main *bmain)
 {
 	static int lasttime = 0;
 	int ctime = (int)PIL_check_seconds_timer();
@@ -1571,7 +1576,7 @@ void GPU_free_images_old(void)
 
 	lasttime = ctime;
 
-	Image *ima = G.main->image.first;
+	Image *ima = bmain->image.first;
 	while (ima) {
 		if ((ima->flag & IMA_NOCOLLECT) == 0 && ctime - ima->lastused > U.textimeout) {
 			/* If it's in GL memory, deallocate and set time tag to current time
diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c
index 22755375061..9db9ed1f5e7 100644
--- a/source/blender/gpu/intern/gpu_material.c
+++ b/source/blender/gpu/intern/gpu_material.c
@@ -2216,22 +2216,22 @@ GPUMaterial *GPU_material_from_blender(Scene *scene, Material *ma, bool use_open
 	return mat;
 }
 
-void GPU_materials_free(void)
+void GPU_materials_free(Main *bmain)
 {
 	Object *ob;
 	Material *ma;
 	World *wo;
 	extern Material defmaterial;
 
-	for (ma = G.main->mat.first; ma; ma = ma->id.next)
+	for (ma = bmain->mat.first; ma; ma = ma->id.next)
 		GPU_material_free(&ma->gpumaterial);
 
-	for (wo = G.main->world.first; wo; wo = wo->id.next)
+	for (wo = bmain->world.first; wo; wo = wo->id.next)
 		GPU_material_free(&wo->gpumaterial);
 
 	GPU_material_free(&defmaterial.gpumaterial);
 
-	for (ob = G.main->object.first; ob; ob = ob->id.next)
+	for (ob = bmain->object.first; ob; ob = ob->id.next)
 		GPU_lamp_free(ob);
 }
 
diff --git a/source/blender/makesrna/intern/rna_userdef.c b/source/blender/makesrna/intern/rna_userdef.c
index c5a74122b3b..617d44a8626 100644
--- a/source/blender/makesrna/intern/rna_userdef.c
+++ b/source/blender/makesrna/intern/rna_userdef.c
@@ -212,31 +212,31 @@ static void rna_userdef_load_ui_update(Main *UNUSED(bmain), Scene *UNUSED(scene)
 
 static void rna_userdef_mipmap_update(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
-	GPU_set_mipmap(!(U.gameflags & USER_DISABLE_MIPMAP));
+	GPU_set_mipmap(bmain, !(U.gameflags & USER_DISABLE_MIPMAP));
 	rna_userdef_update(bmain, scene, ptr);
 }
 
 static void rna_userdef_anisotropic_update(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
-	GPU_set_anisotropic(U.anisotropic_filter);
+	GPU_set_anisotropic(bmain, U.anisotropic_filter);
 	rna_userdef_update(bmain, scene, ptr);
 }
 
 static void rna_userdef_gl_gpu_mipmaps(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
-	GPU_set_gpu_mipmapping(U.use_gpu_mipmap);
+	GPU_set_gpu_mipmapping(bmain, U.use_gpu_mipmap);
 	rna_userdef_update(bmain, scene, ptr);
 }
 
 static void rna_userdef_gl_texture_limit_update(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
-	GPU_free_images();
+	GPU_free_images(bmain);
 	rna_userdef_update(bmain, scene, ptr);
 }
 
 static void rna_userdef_gl_use_16bit_textures(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
-	GPU_free_images();
+	GPU_free_images(bmain);
 	rna_userdef_update(bmain, scene, ptr);
 }
 
diff --git a/source/blender/windowmanager/intern/wm_draw.c b/source/blender/windowmanager/intern/wm_draw.c
index aa89cd6d1ef..0f8c49c082d 100644
--- a/source/blender/windowmanager/intern/wm_draw.c
+++ b/source/blender/windowmanager/intern/wm_draw.c
@@ -948,6 +948,7 @@ void WM_paint_cursor_tag_redraw(wmWindow *win, ARegion *ar)
 
 void wm_draw_update(bContext *C)
 {
+	Main *bmain = CTX_data_main(C);
 	wmWindowManager *wm = CTX_wm_manager(C);
 	wmWindow *win;
 
@@ -955,7 +956,7 @@ void wm_draw_update(bContext *C)
 	BKE_subsurf_free_unused_buffers();
 #endif
 
-	GPU_free_unused_buffers();
+	GPU_free_unused_buffers(bmain);
 
 	for (win = wm->windows.first; win; win = win->next) {
 #ifdef WIN32
diff --git a/source/blender/windowmanager/intern/wm_files_link.c b/source/blender/windowmanager/intern/wm_files_link.c
index 5a92a345117..8e11e548aec 100644
--- a/source/blender/windowmanager/intern/wm_files_link.c
+++ b/source/blender/windowmanager/intern/wm_files_link.c
@@ -455,7 +455,7 @@ static int wm_link_append_exec(bContext *C, wmOperator *op)
 	}
 
 	/* free gpu materials, some materials depend on existing objects, such as lamps so freeing correctly refreshes */
-	GPU_materials_free();
+	GPU_materials_free(bmain);
 
 	/* XXX TODO: align G.lib with other directory storage (like last opened image etc...) */
 	BLI_strncpy(G.lib, root, FILE_MAX);
@@ -751,7 +751,7 @@ static void lib_relocate_do(
 	DAG_scene_relations_rebuild(bmain, scene);
 
 	/* free gpu materials, some materials depend on existing objects, such as lamps so freeing correctly refreshes */
-	GPU_materials_free();
+	GPU_materials_free(bmain);
 }
 
 void WM_lib_reload(Library *lib, bContext *C, ReportList *reports)
diff --git a/source/blender/windowmanager/intern/wm_init_exit.c b/source/blender/windowmanager/intern/wm_init_exit.c
index 38aa18a029e..449a0a91a01 100644
--- a/source/blender/windowmanager/intern/wm_init_exit.c
+++ b/source/blender/windowmanager/intern/wm_init_exit.c
@@ -207,10 +207,10 @@ void WM_init(bContext *C, int argc, const char **argv)
 
 		GPU_init();
 
-		GPU_set_mipmap(!(U.gameflags & USER_DISABLE_MIPMAP));
+		GPU_set_mipmap(G_MAIN, !(U.gameflags & USER_DISABLE_MIPMAP));
 		GPU_set_linear_mipmap(true);
-		GPU_set_anisotropic(U.anisotropic_filter);
-		GPU_set_gpu_mipmapping(U.use_gpu_mipmap);
+		GPU_set_anisotropic(G_MAIN, U.anisotropic_filter);
+		GPU_set_gpu_mipmapping(G_MAIN, U.use_gpu_mipmap);
 
 #ifdef WITH_OPENSUBDIV
 		BKE_subsurf_osd_init();
@@ -590,7 +590,7 @@ void WM_exit_ext(bContext *C, const bool do_python)
 #endif
 
 		GPU_global_buffer_pool_free();
-		GPU_free_unused_buffers();
+		GPU_free_unused_buffers(G_MAIN);
 
 		GPU_exit();
 	}